Volume Discount

Without compromise

Expert Handling

Caring for every firearm

Our Services

Arrange a meeting

If you'd like to discuss your requirements with the Proof Master you can arrange a meeting with him via our booking tool.

Gun Proof & Reproof

We proof guns for dealers, the military, precision target rifles, best gun makers, importers and auction houses.

Deactivation

We deactivate, and certify the deactivation of all kinds of firearms, adhering to the latest standards.

Military Gun Proof

We have a specialism in military gun proof, including remote proof services for manufacturers, in both small and high volume.

Gun Importing & Exporting

We proof all kinds of imported guns and with pre-booking provide a same day instant proof service.

The highest quality proof services in the UK

Whether you need volume or bespoke

Gun proof services require exacting standards, the best trained technicians, and the latest equipment to ensure the safety, reliability, and longevity of firearms.


We take enormous pride in the quality of our work. Shooting is an industry built around trust and we work tirelessly to maintain the precision and standards essential to gun proof. Inferior testing can lead to costly recalls, legal issues, and reputational damage for businesses.

A rigorous proving process,  conducted by the London Proof House, can proactively identify risks in the gunmaking process. Flagging potential flaws or weaknesses, and ultimately protecting shooters.

The Proof House in London have been exceptional with their customer support, response time and flexibility. There have been occasions when we required proving quickly, the Proof House never let us down and have provided a great service.

Customer Reference from Longthorne

Rigby have been sending our guns and rifles to the London Proof House for hundreds of years now. The London Proof Marks give our customers confidence that the gun is safe to use.

As an importer and distributor, Highland Outdoors have used the services of the London Proof House and have always found them to be competitive, and able to execute our requirements in a timely manner. Highland Outdoors values our professional relationship with the London Proof House.

We test guns to MoD Defence Standards

We have nearly 400 years experience of proving military guns, both on-site, and at customer sites. We routinely work to military standards.

We are ISO 9001 Certified

ISO 9001:2015 is an international standard that specifies requirements for a quality management system (QMS). 


It is designed to help organisations ensure they meet customer and regulatory requirements while enhancing customer satisfaction.