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TAG TrustNet

The time for TRUST is now!

Over the last decade Real-Time Bidding (RTB) created massive efficiency for the digital advertising marketplace in opening large volumes of inventory, driving down prices and creating the opportunity for smaller sites and apps to thrive.


Today it has become a large $100B market that continues to grow at an accelerated pace with a supply chain that remains complex, fragmented, partly opaque and could be even more efficient.

In a context where decisions are increasingly made by technology, traditional processes do not apply and there is a need to bring a technological solution to what is essentially a technological problem. 


Taking the industry to the next level

As a global cross-industry initiative, TAG TrustNet is taking the industry to the next level as an always-on collaborative platform providing the tools to certify the supply chain and allow everyone to be accountable, make responsible decisions and improve efficiency. 


TAG TrustNet achieves this by automating the deterministic reconciliation of data across the supply chain and generating immutable records as Shared Truth: a unified record for every single ad running through the supply chain made available in near real-time. 

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Responsible advertising for
a responsible industry

With Shared Truth, TAG TrustNet enables what can be defined as Responsible Advertising based on 3 building blocks:

1. Know your business partners

every record can be tracked back to the legal entities

that are part of the transaction

2. Know their business practices

every record gets cross-checked and verified based

on financial and qualitative metrics

3. Make timely informed business decisions
every record gets reconciled and can be acted

on in near real-time 


What are my benefits?
TAG TrustNet provides benefits to all its members across the industry

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Develop a solid foundation to allow for the further growth of a socially responsible industry operating in compliance with industry standards and regulations



Reduce operating costs by sharing data to automate the reconciliation of impression data across the supply chain


Advertisers & Agencies

Optimize ad-spend productivity by improving cost efficiency and advertising effectiveness with always-on access to reconciled impression data


Intermediaries & Publishers

Differentiate by allowing advertisers and agencies to validate the proper delivery and quality of impressions to get a larger share of ad-spend


of your programmatic supply chain

sign up to TAG TrustNet today!

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Joining TAG TrustNet is free and easy

Become a Member

Step 1 is to get verified by TAG as an established company with a legal entity, to get a TAG ID, agree to the TAG TrustNet requirements, and sign the TAG TrustNet Membership agreement. 

Become an Active User

Step 2 is to become an active platform user with a node to import, share, access and export data, by signing the Fiducia Licensing agreement. Advertisers and agencies have access to the Supply Chain Monitor to visualise their supply chain in near real-time. Access to data remains at all times under the control of the data owner.

To become a Member:

or go to the TAG TrustNet website:

To know more about TAG TrustNet contact:

for membership information:

Adrian Lacey

Director Policy & Standards, TAG

for platform information:
Phill Hayman
Customer Success Director, Fiducia
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