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Marketers are done using incomplete data, duplicated IDs or hashed emails, and they’re quickly shifting towards the next wave of efficient data collaboration and privacy guarantees. Defensible AI will need accurate and private seed data. We are the enablers of that transition for publisher and brand identity, enabling them to finally unify and see 100% of their site visitors with accuracy, compliance and ownership.

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The next wave of media businesses are building for a new digital world

Advertising and media is undergoing an AI and walled garden revolution. Monetizing your customer data now relies on anonymised and deterministic identity that helps you to build real USP.

AdFixus provides you the critical ingredient - a stable and truly durable ID. We’re the pioneer of federated anonymous identity, enabling businesses to build out and transact securely on a cross domain, deterministic and anonymous ID. It’s yours to own and securely shareable with your data collaborators.

Anonymous user across your sites are multiple independent IDs

Anonymous user across your sites are a single unified ID

The next wave of media businesses are building for a new digital world

Advertising and media is undergoing an AI and walled garden revolution. Monetizing your customer data now relies on anonymised and deterministic identity that helps you to build real USP.

AdFixus provides you the critical ingredient - a stable and truly durable ID. We’re the pioneer of federated anonymous identity, enabling businesses to build out and transact securely on a cross domain, deterministic and anonymous ID. It’s yours to own and securely shareable with your data collaborators.

Own your audience with durable, anonymous identity.

Reach real people with privacy-safe precision.

PUBLISHER
TOOLKIT

Rebuilding your tech stack beyond 2025 requires a true defensible USP beyond open exchange, cohorts, contextual or AI tools. The only guaranteed answer is to own your anonymous user data and create 100% addressability from it. One source of truth in your stack puts open web publishers on par with walled gardens to build platinum-tier ad products that deliver scale, accuracy and user privacy.

Identify

Build and own a 1st party durable & deterministic token for 100% of your site visitors and keep their identity alive across all browsers, and deduplicate all of your domains

Match / Clean Room

create next-gen data collaborations with advertisers with industry leading match rate and no PII or risk of data exposure

Conversion APIs

Build automated Conversion APIs and stream user events to optimise campaigns to bring back revenue from the walled gardens

ADVERTISER
TOOLKIT

our visitors are your moat. First-party data is not just post-registration PII but the behaviour and signals that you visitors present on your owned domains. This rich data set of your anonymous and known users has been degraded by the signal loss from third-party cookie restrictions. The way forward is first-party so you can build up that asset of audience data and gain usage again inside your organisation and collectively with partners and publishers to maximise business outcomes. All accurately and securely. 

Identity

Deterministically and privately identify 100% of your site visitors, and maintain their identity across all browsers and all of your domains for a rolling 12 months

Attribution

lift your data inputs into your attribution efforts. Gain clear and actionable data signals and understand where its effective to place your media investments

Data partnerships

connect your total traffic data (known and unknown) with partners for enrichment and / or publishers to segment and advertise to your customers off-network.

Media Optimisation

Stream meaningful events to premium publishers, with real-time optimisation that cuts waste, boosts performance, and delivers clear insights aligned to your KPIs

Why AdFixus?

At AdFixus, we prioritise privacy and offer a solution that empowers businesses to own the data themselves and to utilise data whilst meeting privacy requirements and giving consent control back to individuals.

Our solutions are founded on our patented identity solution, Anonymous Federated Identity, a deterministic solution that conforms to industry standards for authentication, yet requires no personal information.

We pride ourselves on protecting individuals’ privacy and right to relevancy – our solutions are anonymous, accurate and able to be revoked.

Privacy-by-Design Architecture

AdFixus was built without reliance on third-party cookies, probabilistic stitching, or fingerprinting. No PII is ever collected.

You Own the Data

AdFixus does not and can not see, store or commercialise your data.

Cross Domain Unification

Create a single ID for all of your anonymous and known audiences across all of your enterprise’s domains.

Real-Time Consent-Based Identity

Identity is resolved instantly at the point of consent using first-party domains, no syncing or lookups required.

Lightweight, Rapid Deployment

No heavy CDP infrastructure challenging integrations required.

Complete Transparency

Full auditability of data and consent flows, no black boxes or probabilistic models.

Unified Platform for Brands & Publishers

Enables a privacy-first ecosystem across both supply and demand sides.

Integration

Integrates directly into your existing technology platforms, analytics, customer data platform (CDP), data lake, personalisation engine, consent management platform (CMP) and more.

What businesses Say About Us

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Save Hour Of Work

Coronet has revolutionized the way our team collaborates. With its user friendly interface.

Mark Rober

@markrober

Save Hour Of Work

Coronet has revolutionized the way our team collaborates. With its user friendly interface & power ful features it's become an indispensable tool.

Mark Rober

@markrober

Save Hour Of Work

Coronet has revolutionized the way our team collaborates. With its user friendly interface.

Mark Rober

@markrober

Save Hour Of Work

Coronet has revolutionized the way our team collaborates. With its user friendly interface & power ful features it's become an indispensable tool. Coronet has revolution the way our team collaborates. Coronet has revolutionized the way our team collaborates. With its user friendly interface.

Mark Rober

@markrober

Save Hour Of Work

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Mark Rober

@markrober

Save Hour Of Work

Coronet has revolutionized the way our team collaborates. With its user friendly interface & power ful features it's become an indispensable tool.

Mark Rober

@markrober

Save Hour Of Work

Coronet has revolutionized the way our team collaborates. With its user friendly interface.

Mark Rober

@markrober

Save Hour Of Work

Coronet has revolutionized the way our team collaborates. With its user friendly interface & power ful features it's become an indispensable tool.

Mark Rober

@markrober

Latest News

Insights and updates on privacy-first adtech, identity ecosystems, measurement innovation, and conversion solutions shaping the future of digital marketing.

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A new era of customer identity

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We make no representation or warranty of any kind, express or implied, as to the operation of this website or the information, content, materials, or products included on this website. You expressly agree that your use of this website is at your sole risk. To the fullest extent permissible by applicable law, we disclaim all warranties, express or implied, including but not limited to implied warranties of merchantability and fitness for a particular purpose. We will not be liable for any damages of any kind arising from the use of this website, including but not limited to direct, indirect, incidental, punitive, and consequential damages.

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A new era of customer identity

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Send us Email
sales@adfixus.com
Australia

11/303 Pacific Highway
Lindfield NSW 2070

Singapore

160 Robinson Road #14-04
SBF Centre, Singapore 068914

FAQ's

Frequently Asked Questions from Publishers

Can AdFixus reach my full audience across multiple domains?
Yes. AdFixus reconnects fragmented audiences by creating a consistent, privacy-safe ID across your owned and operated domains, something third-party cookies can no longer deliver.
What makes AdFixus different from other identity solutions?
Unlike others, AdFixus does not rely on personal identifiers, probabilistic fingerprinting, or rented identity graphs. Instead, we offer a deterministic, privacy-first identity framework that balances audience recognition with compliance and user trust.
What makes AdFixus different in one sentence?
AdFixus is a deterministic, first‑party, double‑encrypted and shareable IDs you own fully: no emails, no fingerprinting, no rented graph.
What solutions existing for identity creation and why not just build it in‑house?
Building an ID internally is possible, building an ID that is viable across domains or connecting externally is not. You’ll need to understand and keep abreast of all browser changes and updates and also replicate patented double‑encryption, CDN routing & fail‑over architecture (multi‑AZ, 99.99 % SLA).

Ongoing upkeep > $500k / yr in DevOps & security.

AdFixus ships as a managed SaaS and re-invests a significant proportion of our resources and time on maintenance and updates that benefit the whole.

A new era of customer identity

Get in touch for a free audit of your identity stack.

Empowering Privacy,
Enabling Trust

Protecting privacy while delivering trust, control, and relevant experiences.

Let's embark on the journey of how it all started...

At AdFixus, we believe that everyone has the right to privacy and control over their personal data. Individuals should be able to trust companies to handle their data responsibly and prioritise their privacy. 
We also believe that everyone has the right to receive customised, relevant content.

Our Vision

We continue innovating solutions that address real business challenges, evolving digital identity responsibly, proving technology and privacy can unite to deliver relevancy, better experiences, and business success.

Our Mission

Enhancing relevancy personalises experiences and boosts outcomes, while our solutions balance privacy and targeting, enabling partners to analyse, activate, and engage customers responsibly and effectively.

The Leadership Team

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Our Board

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A new era of customer identity

Get in touch for a free audit of your identity stack.

Advertisers -
Take Back Control of Identity

Future-Proof Your Audience Strategy with First-Party Identity

Brands: Take Back Control of Identity

Future-proofing audience strategy with privacy-first identity.

View Case Study

Deep dive: data loss, first-party identity, AdFixus


In today’s privacy-first digital landscape, your site visitors are your most valuable asset. First-party data goes beyond just post-registration PII — it includes rich behavioral signals, intent, and engagement patterns across your properties.

The deprecation of third-party cookies and browser tracking limitations have degraded this data stream. Marketers and publishers face growing signal loss, making it harder to recognize, engage, and activate audiences effectively.

The solution is to rebuild and strengthen your first-party data foundation. Collecting and owning audience data directly lets you regain control, increase addressability, and unlock the full value of your audience across all digital touchpoints.

With a robust first-party identity strategy, you can unify anonymous and known users into actionable segments, collaborate with publishers, and future-proof audience strategies against privacy regulation changes.

First-party is not the fallback — it’s the way forward.

Simple integration across your existing MarTech makes it easy to extract more value from investments. See our Integrations section for guides.
Why Now?
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    Cookies are vanishing. Signal loss is rising. AdFixus gives you direct access to 100% of your audience, known or anonymous.
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    Identify and track users across browsers and domains for 12 months, without PII or privacy risk.
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    Protect against rising data breach risks and heavy fines with double-encrypted, in-browser IDs.
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    Gain clarity to optimize campaigns with secure IDs users control.
Why AdFixus?
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    Stream real-time events to your cloud or publishers for attribution and optimization.
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    Unify data across sites for full ROI clarity.
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    Use Match Room (anonymous clean room) to collaborate instantly with premium publishers — no PII exchanged.
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    Retarget precisely, reduce waste, and convert anonymous traffic.
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    Future-proof against Google, Apple, and global privacy laws.

Real Impact

ADDRESSABLE
FOR PERSONALISATION
100% AUDIENCE
DATA VISIBILITY
2X IMPROVEMENT
CAPI vs STANDARD SEGMENTATION
3X ROI

Solutions

Identity, attribution, media optimisation, and data partnerships—all designed to help advertisers maximise audience reach, campaign performance, and ROI in a privacy-first way.

Expand any product below to discover its features in detail.

Identity
Deterministically and privately identify 100% of your site visitors, and maintain their identity across all browsers and all of your domains for a rolling 12 months.
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    Cross Domain Unification - Create a single ID across your enterprise for your anonymous and known users. Ingest into existing analytics platforms to increase visibility of users across the enterprise.
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    Activate Your Data - Be it personalisation, analysis, segmentation or media optimisation your data can be activated with a stable identifier across your enterprise.
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    Visitor-Controlled Privacy
    Put privacy in the hands of your users. The ID is stored locally in the visitor’s browser cache, ensuring that they retain full control. Visitors can easily revoke consent at any time, supporting a transparent and privacy-first digital experience.
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    Double Encryption for Maximum Security - Ensures your users' data remains secure from the moment it’s created. Protected using double encryption, including Elliptic-curve Diffie–Hellman (ECDH) cryptographic protocols.
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    High-Speed In-Memory Processing - Generated within milliseconds using in-memory processing, ensuring lightning-fast performance without sacrificing security or privacy.
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    Seamless Deployment and Integration - Comprehensive deployment and integration documentation to simplify onboarding. Maximize platform utilization and boost your return on investment (ROI) with easy-to-follow guides tailored for developers and IT teams.
Attribution
Lift your data inputs into your attribution efforts. Gain clear and actionable data signals and understand where it's effective to place your media investments.
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    Real-time Data Stream - Firehose your campaign data directly into your cloud storage. Gain real time insights into click, impression and post-impression conversions to re-model and re-shape your attribution programs.
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    Unique Reach - Understand unique reach across all browsers and all premium publishers, including views and interactions with your campaigns.
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    Understand ROI - See which of your users viewed and interacted with your ads and review their journey across your properties with your own ID included in the tracking events.
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    Reduce Discrepancies - First-party data feed maintains minimal discrepancies with publisher’s own log data.
Media Optimisation
Connect your total traffic data (known and unknown) with partners for enrichment and / or publishers to segment and advertise to your customers off-network.
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    Precision Retargeting Across the Web - Seamlessly reconnect with your ideal audience, segments, cohorts, and individuals, directly through the publisher. Gain full control over who you reach, when, and where.
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    Reach 100% of Your Audience, Known and Unknown -Don’t let browser limitations or privacy policies hold you back. Our platform lets you target and retarget every user, whether they’re logged in or not.
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    Bridge the Gap Between Anonymous and Authenticated Users - Tap into your largest untapped asset: anonymous site visitors. Match them with authenticated users across publisher networks to scale your campaigns and drive higher conversions.
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    Minimize Ad Spend Waste with Real-Time Optimization -Automatically move users in and out of audience segments based on live behavior and conversion triggers, maximizing relevance and reducing spend.
Data Partnerships
Connect your total traffic data (known and unknown) with partners for enrichment and / or publishers to segment and advertise to your customers off-network.
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    Total Audience - Match your total audience - unknown and known. Create segments to match on and activate.
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    Segment Management - Upload, maintain, share, and match audience segments with ease.
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    Simple to Use Match Room - The AdFixus match room is SaaS based, it is intuitive and simple to use, and administer.

Future proof against industry changes

Connect your total traffic data (known and unknown) with partners for enrichment and / or publishers to segment and advertise to your customers off-network.

Third-Party Cookies Are Disappearing

Safari’s blocking of Third-Party Cookies and Apple’s Intelligent Tracking Prevention (ITP) has had serious impacts on existing vendors and custom build solutions, impeding identification.

Apple & Safari Have Changed the Game

With Safari’s complete block of third-party cookies and Apple’s Intelligent Tracking Prevention (ITP), traditional identification methods and vendor-built solutions are becoming obsolete.

Bridge the Gap Between Anonymous and Authenticated Users

Tap into your largest untapped asset: anonymous site visitors. Match them with authenticated users across publisher networks to scale your campaigns and drive higher conversions.

Adapt Now or Fall Behind

The identity landscape is shifting fast. Future-proof your strategy with solutions that are privacy-safe, regulation-compliant, and not reliant on legacy cookie tech

How Does AdFixus Solve for Various Industries

Automotive
Digital technologies have transformed the way customers research, purchase and interact with automotive brands.How AdFixus benefits the Automotive Industry
Education
Digital transformation in education has significantly impacted the sector, right from adopting technology in classrooms to changing the ways that students learn. The education sector is still evolving and growing. How AdFixus benefits the Education industry.
Financial Services
Financial Services as an industry is rapidly evolving, the race between the fintech upstarts and digital transformation of the established players has seen a seismic shift in their focus and go to market. How AdFixus benefits the Financial Services Industry.
Insurance
The insurance industry is rapidly transforming as traditional players digitise to compete with insurtechs. With a focus on personalisation powered by first-party data, media optimisation and multi-brand strategies to boost reach and brand strength. How AdFixus benefits the Insurance Industry.
Retail
From digital to omni-channel to retail media – it is a rapidly moving space. Retailers in particular, have a high level of people that remain anonymous as they browse their digital shopfronts. How AdFixus benefits the Retail Industry.
Travel & Hospitality
The travel and tourism industry has seen a massive upheaval in their businesses of late. What people were restricted from doing has taken off again and people have a desire to travel and are looking to book holidays. How AdFixus benefits the Travel & Hospitality Industry.

FAQ's

Frequently Asked Questions from Publishers

Can AdFixus reach my full audience across multiple domains?
Yes. AdFixus reconnects fragmented audiences by creating a consistent, privacy-safe ID across your owned and operated domains, something third-party cookies can no longer deliver.
What makes AdFixus different from other identity solutions?
Unlike others, AdFixus does not rely on personal identifiers, probabilistic fingerprinting, or rented identity graphs. Instead, we offer a deterministic, privacy-first identity framework that balances audience recognition with compliance and user trust.
What makes AdFixus different in one sentence?
AdFixus is a deterministic, first‑party, double‑encrypted and shareable IDs you own fully: no emails, no fingerprinting, no rented graph.
What solutions existing for identity creation and why not just build it in‑house?
Building an ID internally is possible, building an ID that is viable across domains or connecting externally is not. You’ll need to understand and keep abreast of all browser changes and updates and also replicate patented double‑encryption, CDN routing & fail‑over architecture (multi‑AZ, 99.99 % SLA).

Ongoing upkeep > $500k / yr in DevOps & security.

AdFixus ships as a managed SaaS and re-invests a significant proportion of our resources and time on maintenance and updates that benefit the whole.

A new era of customer identity

Get in touch for a free audit of your identity stack.

Publishers -
Own the Future of Identity

Build a durable, privacy-first identity

Why Now?

hird-party cookies are going away. Protect your revenue and compete with walled gardens by building first-party addressability.

View Case Study

Deep dive on identity, cookies, and AdFixus' approach


With third-party cookies disappearing, it’s critical to build accurate, compliant, and interoperable methods for creating ad products that measure outcomes. This is the only way to compete with walled gardens and protect against the incoming wave of AI intermediaries.

Many publishers have expanded into multiple brands, domains and geographies — which fragments audience management. The addressable audience enables you to personalise across domains and increase ad yield for advertising partners.

AdFixus provides a patented first-party cookie platform that helps publishers sync anonymous users into a durable, non-PII identifier. The cookie is decentralised and stored in the user’s browser — giving publishers privacy-first addressability and proven results.

AdFixus Match — Connect advertiser audiences to publisher audiences with offline + real-time ID matching, without sharing PII. Fast, secure, and compliant.
Why Now?
  • Tick Mark Icon
    Build your own durable, privacy-first identity
  • Tick Mark Icon
    100% addressable & cross-domain
  • Tick Mark Icon
    Double your audience segments
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    Reclaim Safari & Firefox
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    Compete with walled gardens using first-party Conversion APIs
Why AdFixus?
  • Tick Mark Icon
    Patented 1st-party ID, built for publishers
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    Persistent cookie (12-month window) created on user consent
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    Sync unauthenticated users across domains — anonymous & secure
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    Near-zero latency • Zero PII • Fully compliant

Real Impact

CAMPAIGN
FULFILLMENT
2X INCREASE
ADDRESSABLE
IMPRESSIONS
30X GROWTH
YIELD
25% UPLIFT

Solutions

From identity and attribution to media optimisation and partnerships, our solutions give you end-to-end control of your audience data—secure, private, and ready to activate across every channel.

Expand any of the four products to explore the features in detail.

Identity
Build your own 1st party durable & deterministic token for 100% of your site visitors and keep their identity alive across all browsers and all of your domains.
  • Tick Mark Icon
    Privacy compliance: Generates a unique identifier on consent that can be revoked.
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    Extended cookie windows: Generates a durable / persistent first-party cookie with a rolling 12 month cookie window.
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    Single identity across domains: Ensures single view of customers across the enterprise.
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    Build your audience: don’t rent the base level, own it. Build your audiences upon the data that you own to create a USP in the market.
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    Single view of customer: Allows for end-to-end journey analysis across the enterprise.
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    Lowers Cost: Removes duplication, lowers related platform fees and delivers savings fast.
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    Near zero latency: Identifiers are generated in milliseconds, with all processing done in memory.
Match / Clean Room
Create next-gen data collaborations with advertisers with industry match rate and no PII or risk of data exposure.
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    Segment Management: Upload, maintain, share, and match audience segments with ease.
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    Simple to Use Match Room: The AdFixus match room is SaaS based, it is intuitive and simple to use and administer.
Conversion APIs
Build automated Conversion APIs and stream user events to optimise campaigns to bring back revenue from the walled gardens.
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    Industry Leading Capability: Compete with global publishers and social media platforms with direct, anonymous privacy compliant first-party connections - all in real time.
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    Real-time Events: Stream real-time conversions and signals, allowing you to send real-time events to publishers and partners, enabling you to report on attribution and update campaign segments on the fly.
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    Integration: Send events from your tag manager directly to your publisher partners.
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    Attribution: Report and synchronise click as well as non-click audiences across all browsers - including site conversions.
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    Outcome-based / Performance Campaigns: Activate campaigns that deliver directly to your business goals. Connecting your business outcomes to the campaigns to drive success to your business.

Revenue growth

100% addressable audience
Giving you the ability to reclaim the signals across all browsers and all your associated domains consistently.
100% deterministic
we deploy a unique double encrypted first-party cookie into a individual’s browser. We do not have any algorithmic matching or fuzzy logic to attempt to match an individual to signals seen elsewhere.
Increasing audience segments
through our solution and our ability to reclaim all of your addressable audience we will subsequently increase your segment sizes. In some markets with a large non-Chrome footprint, we have seen a 2x increase in segments.
Increasing campaign efficiencies
increasing data into your ad servers increases all campaign and super charges the optimisation models and algorithms.
Increasing campaign effectiveness
larger segments equal larger targeting abilities. Our partners have increased campaign fulfillment rates from 60% to 95% - significantly reducing ‘make goods’.
Increase campaign operations
where clients have a single ad server deployment, they can also gain efficiencies across their network to enable frequency capping.
Conversion API
allows publishers and advertisers to have a real-time flow of audience IDs to qualify individuals in and out of segments to better optimise campaigns.

Increase your attribution

Current reporting is only capturing click conversions – yet your audience is reading content around a particular topic, not to search for and buy a particular product. You are losing out in the attribution game. Claim back the value you bring.

Future proof against industry changes

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Safari and Cookies

Safari’s blocking of Third-Party Cookies and Apple’s Intelligent Tracking Prevention (ITP) has had serious impacts on existing vendors and custom build solutions, impeding identification.

 Privacy Legislation

The continual changes to Privacy Legislation across the globe are putting greater restrictions on data – especially on consent, storage and sharing.

Data breaches

The risks of data breaches associated with PII Data has risen dramatically and businesses are facing serious fines.

FAQ's

Frequently Asked Questions from Publishers

Can AdFixus reach my full audience across multiple domains?
Yes. AdFixus reconnects fragmented audiences by creating a consistent, privacy-safe ID across your owned and operated domains, something third-party cookies can no longer deliver.
What makes AdFixus different from other identity solutions?
Unlike others, AdFixus does not rely on personal identifiers, probabilistic fingerprinting, or rented identity graphs. Instead, we offer a deterministic, privacy-first identity framework that balances audience recognition with compliance and user trust.
What makes AdFixus different in one sentence?
AdFixus is a deterministic, first‑party, double‑encrypted and shareable IDs you own fully: no emails, no fingerprinting, no rented graph.
What solutions existing for identity creation and why not just build it in‑house?
Building an ID internally is possible, building an ID that is viable across domains or connecting externally is not. You’ll need to understand and keep abreast of all browser changes and updates and also replicate patented double‑encryption, CDN routing & fail‑over architecture (multi‑AZ, 99.99 % SLA).

Ongoing upkeep > $500k / yr in DevOps & security.

AdFixus ships as a managed SaaS and re-invests a significant proportion of our resources and time on maintenance and updates that benefit the whole.

A new era of customer identity

Get in touch for a free audit of your identity stack.

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