Blis
Location-based audience planning and buying platform, acquired by T-Mobile in 2025.
London, UK · founded 2004 · blis.com
What Blis does
Blis helps advertisers plan and buy audiences using location and behavioural signals, without relying on personal identifiers.
T-Mobile bought it for about $175 million in 2025, alongside Vistar Media.
How it makes money
Margin on media bought through its platform (now within T-Mobile).
Where it meets invalid traffic
Location data is vulnerable to spoofing, so Blis filters inconsistent location signals.
Products
- Blis platform