As a developer working with advertising agencies, you're about to become the hero (or the scapegoat) in a critical privacy shift. Microsoft Advertising's May 5th, 2025 consent requirements are coming fast, and your agency clients need your expertise to navigate this challenge.

The Stakes Are High

Here's what your agency clients need to understand: Starting May 5th, Microsoft will stop processing conversion data from European users without explicit consent signals. Our research shows 78% of agencies aren't prepared, putting an average of €157,000 in quarterly billable services at risk.
This isn't just another technical update – it's a fundamental shift in how conversion tracking works across the EEA, UK, and Switzerland. Without proper implementation, agencies will lose:

• All conversion attribution data
• Ability to optimize campaigns with accurate metrics
• Proof of performance for client reporting
• Competitive advantage against prepared competitors

What Microsoft Actually Requires

Cut through the confusion for your clients with these clear requirements:

• Explicit Consent Signals: UET tags must transmit affirmative consent with each conversion event
• Granular Control: Users need options to consent to specific processing activities
• Persistent Records: Maintain auditable consent acquisition records
• Real-Time Updates: Systems must respect consent withdrawal immediately
• Regional Application: Affects all campaigns targeting EEA, UK, Switzerland The technical implementation goes beyond basic cookie banners. Microsoft UET Consent Mode requires deep integration between consent platforms and conversion tracking infrastructure.

Why This Matters to Your Agency Clients

Frame this as part of the broader privacy evolution including GDPR, ePrivacy Directive, DMA, and DSA. Microsoft isn't creating new requirements – they're enforcing existing regulations that agencies should already be addressing.
Agencies face unique challenges:

Multi-Client Complexity: Managing implementation across diverse technical environments
Resource Constraints: Most agencies need ~22 developer hours per client
Timeline Pressure: **Prioritization is crucial with just weeks remaining
**Client Communication: 43% of agencies report client resistance to compliance measures

The Cost of Inaction

Share these concrete metrics with your agency clients:

• 94% Data Loss: A mid-sized agency testing the requirements reported 94% conversion data loss in failed implementations
• 37-52% ROAS Decrease: Performance marketing agencies report this range when conversion tracking fails
• 65% Client Concern: Percentage of clients who consider accurate conversion reporting a contract requirement

SeersAI CMP for Microsoft Ads: A Tailored Solution

SeersAI CMP for Microsoft Ads is specifically designed to help advertising agencies not only meet the requirements of Microsoft UET Consent Mode but also maintain robust data-driven decision-making for clients.

Here's how Seers.ai empowers your agency:

Seamless Integration with Microsoft Ads: Seers.ai CMP is built with a deep understanding of the Microsoft ecosystem, ensuring smooth and efficient integration with your Microsoft Ads accounts. This means you can continue leveraging the platform effectively while respecting user consent.

Facilitating Compliant Consent Collection: Seers.ai provides customizable and user-friendly consent banners that clearly communicate data usage practices to website visitors. This empowers users to make informed choices while ensuring you collect consent in a compliant manner for Microsoft Ads conversion tracking GDPR.

Preserving Data Quality Within the Microsoft Ecosystem: By intelligently managing consent signals, Seersai CMP for Microsoft Ads helps bridge the data gaps that arise when users don't consent. This allows for more accurate modeling and reporting within the Microsoft Ads environment, maximizing the data you do have.

Enabling Continued Accurate Reporting and Insights: With compliant consent collection and seamless integration, Seers.ai helps you maintain a clearer picture of campaign performance, attribution, and audience behavior within Microsoft Ads. This empowers you to continue providing valuable insights and driving results for your clients.