The Proof House: 48-50 Commercial Road, London E1 1LP
Worshipful Company of Gunmakers
Telephone: +44 (0) 20 7481 2695
The Worshipful Company of Gunmakers was incorporated by Royal Charter in 1637 to promote and regulate gunmaking, a role it still fulfils today.
Governed by the Master, Wardens and Court of Assistants. Activities encompass four broad areas of operation: Regulatory, Charitable, Social and Civic.


Contact by email:

Proof Master

David Miles

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Andrew Bignold

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Assistant Clerk

 Alex Palacios

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+44 (0) 20 7481 2695 (choose the appropriate option)

Postal address:

Worshipful Company of Gunmakers

The Proof House

48-50 Commercial Road, London E1 1LP

To arrange workshop deliveries and collections, please e-mail


The Proof House is situated on a Red Route and only a very limited amount of on-street parking is available.

If travelling by public transport, the nearest tube station is Aldgate East on the District, and Hammersmith & City lines. Nos.15 and 115 buses stop near the Proof House in Commercial Road.

The London Transport route finder should be able to recommend a suitable route. Simply enter the location you are coming from into the box on the left, remembering to specify whether this is a station, post code, or address.

Outside The Proof House in Commercial Road are two parking bays reserved for deliveries and collections.  Please note parking here is restricted to only 20 minutes for a visit.


Since 1675, the Worshipful Company of Gunmakers has been located at its present location, just outside Aldgate and the old walls of the City of London. For directions visit our Contact page.


The Company operates the Proof House, which has statutory powers to test and regulate the safety of firearms.


Members of the Livery serve as trustees of the Gunmakers Company Charitable Trust, which provides assistance for training gunmakers and advancement of the art and technology of gunmaking and related trades.


The Company organises formal dinners and other activities and events for its liverymen (which includes women).


The Livery participates in the governance of the City of London, including the election of the Sheriffs and the Lord Mayor.


No gun can be legally sold in the United Kingdom without having undergone proof.


The Proof House is called in to investigate accidents caused by firearms malfunction.


The Proof House ensures and certifies that guns wanted for display purposes, rather than use, have been made permanently unusable in the manner required by law.