Consent Management Platform (CMP) Development Project for Cookie Information 

Introduction 

Cookie Information, a privacy-tech company from Denmark, partnered with Clearcode to build their proprietary consent management platform (CMP).  

The goal was to create a custom CMP to replace their existing, third-party solutions and expand the features and functionalities of the platform over time. 

Challenge 

Working Towards a Deadline 

One of the main challenges was meeting the strict deadline.  

Cookie Information wanted us to develop and release the MVP before the GDPR took effect. This meant we only had 5 months to plan, build and release the MVP.  

Fortunately, the project had a clear vision and good direction, allowing us to progress with the project quickly. 

To meet the deadline, we focused on selecting the essential features for the minimum viable product (MVP) and applied the agile development methodology. 

Managing and Working With Technical Debt 

After releasing the MVP, we had to balance addressing technical debt caused by the rapid development of new features with the continued development of the product.  

Technical challenges, like web browser and cloud-computing obstacles, came up, and design decisions were limited by the need to stay compatible with the existing solution for existing clients.  

We also faced challenges in supporting a wide range of browsers, including older versions, in our consent library. 

Scaling the CMP 

Scaling became a significant problem that we had to solve. Our team was skilled in PHP on the backend, but it didn’t fit well with the planned microservice architecture, so we switched to Node.js. 

Solution 

Process 

Discovery & Planning 

Avenga kicked off with in‑person workshops to map user journeys and confirm the tech stack.

The team then used those insights to create a detailed story map that guided development priorities and ensured GDPR readiness.

Agile MVP Development

They ran a five‑month, sprint‑based cycle to build the core consent engine, cookie scanner, and basic reporting.

Regular reviews and rapid feedback loops kept development focused and on schedule for the GDPR launch.

Feature Expansion & Integrations

After launching the MVP, Avenga enhanced the platform with a self‑serve dashboard, invoice module, and advanced reporting tools.

A flexible plugin framework and REST APIs powered seamless integration with Google Tag Manager, Consent Mode, and the IAB TCF.

Evolution & Maintenance

To support scale and manage technical debt, the team refactored backend services by migrating from PHP to Node.js microservices on Kubernetes.

Ongoing refactoring sprints, health checks, and automated load tests ensured reliable performance as usage grew.

Results 

Over the 6 years we worked on the project, we built and released the CMP, extended its features, and integrated it with various other tools and platforms. 

The CMP now handles over 10 million consent requests daily, serving approximately 5,000 customers.  

Additionally, it scans around 2 million URLs every day. 

Important achievements: 

• The CMP generates revenue and is a stable and working product. 
• Cookie Information was able to attract a large investor. 
• We were able to help Cookie Information’s business grow as we added new features to the CMP and expanded its capabilities and functionalities. 

Within this project, we proactively came up with many initiatives and established a very close partnership with Cookie Information. 

By replacing off‑the‑shelf tools with a purpose‑built, microservices CMP, Cookie Information gained true ownership of their consent workflows and the flexibility to innovate on their own terms. Our close, agile partnership not only streamlined GDPR compliance but also turned technical control into a compelling business advantage—culminating in new revenue streams and significant investment. This collaboration proves that a custom MarTech solution can drive both operational excellence and long‑term growth.