UK public supplier profile

HARTLEY MCMASTER LIMITED

Companies House number 02638728 · Active

This page joins supplier notices to the Companies House projection by the published GB-COH identifier. Names below can be trading styles or historical aliases. Values are notice fields, not verified revenue.
Published notices1
Distinct buyers1
Disclosed value£166,909
Latest notice9 March 2026
Registered identity

HARTLEY MCMASTER LIMITED

Companies House: 02638728
Status: Active
Incorporated: 16 August 1991
Registered office: 167-169 GREAT PORTLAND STREET, 5TH FLOOR, LONDON
SIC: 70229 - Management consultancy activities other than financial management

Verify at Companies House →
Published supplier aliases

1 names in notices

HARTLEY MCMASTER LIMITED (1)

Published contract notices

PublishedBuyer and noticeCategory / regionDisclosed value
9 March 2026CPT_24_52 Specialist model assurance support
National Audit Office
System quality assurance assessment and review services£166,909

Source dates and limitations

A 37X Ventures portfolio site

Operated by 37x Limited, a Guernsey Non Cellular Company, company number CMP76157, incorporated 18 July 2025.

Registered office: Les Echelons Court, Les Echelons, St. Peter Port, Guernsey, GY1 1AR.

Full company details