Why we built it
Keystone Site was built because owner-led construction businesses were trying to run customers, commercial decisions, site work and closeout across disconnected systems, WhatsApp threads, photos and memory.
About
About Keystone AI
Keystone AI is the company behind Keystone Site. The product exists to help UK construction and trade businesses run the office more clearly, protect cash and keep customers informed.
Last updated 6 July 2026
What we care about
We care about protecting cash, customer confidence, job momentum, reputation and future work for UK builders and trade businesses.
How the brands fit together
Keystone Site is the product. Keystone AI is the company that develops, maintains and supports it. The relationship should be clear wherever customers see the brand.
Learn more
https://keystoneai.uk is the company site, and this product site focuses on the software itself.