Affiliate Cookie Duration Statistics in United Kingdom (2026)

In 2026, the average affiliate cookie duration in the UK remains at 30 days, balancing consumer convenience and effective tracking. The total affiliate marketing spend has grown to approximately £4.2 billion, reflecting increased digital advertising investments. The sector employs around 150,000 active marketers, indicating its vital role in the UK's digital economy. Notably, the retail, finance, and travel industries continue to dominate affiliate sales, driven by evolving consumer behaviors and technological advancements.

UK affiliate marketers are leveraging advanced analytics and personalized content to improve conversion rates, which stand at around 8.5%. As consumer trust in online transactions grows, affiliate marketing strategies are becoming more sophisticated. The sustained cookie duration and high engagement levels suggest a mature ecosystem that supports long-term customer relationships, contributing significantly to the country's digital commerce growth and economic resilience.