Updates from the Proof House

February 3, 2026
We are pleased to confirm that a new member of staff has recently joined the team at the London Proof House.
January 29, 2026
INSIDE THE WORSHIPFUL COMPANY OF GUNMAKERS
December 3, 2025
Auction houses across the UK dealing in firearms have the London Proof House to ensure that guns entering the market are both legally compliant and safe to use.
November 23, 2025
London Proof House passes BSI ISO 9001 Audit
A rifle being proved the London Proof House
August 3, 2025
The majority of sporting guns sold in the UK now sourced from overseas, the proofing of imported firearms is a crucial step in ensuring legal compliance and safety.
July 14, 2025
The Proof Master at the London Proof House explains the importance of deactivation and how the technology has changed.
Some of the historical documents at the Proof House going back nearly 400 years!
April 2, 2025
The Proof Master, David Mills, introduces the Proof House in an interview for Gun Trade Insider magazine. What will become a monthly feature.
March 10, 2025
Launch of the London Proof House and New Website for the 388th Birthday