327 active companies are registered in Mill Hill with Companies House. Out of 373 companies ever registered here, 25 are no longer active — a 88% survival rate. A wave of registrations in the 2010s accounts for 37% of active companies, pointing to a decade of strong entrepreneurial activity. The most common industry sector is buying and selling of own real estate, with 54 companies. The average company age is 19.3 years, suggesting a mature business environment. The earliest company registration in Mill Hill dates back to 1942.
Source: Companies House register via UVAGATRON, October 2026
An established business centre with companies averaging 19.3 years of operation.
The average active company in Mill Hill is 19.3 years old. There are 2 <Link href="/glossary/fca-financial-conduct-authority">FCA-regulated firms</Link> in the area. 2 registered charities operate locally.
Companies in Mill Hill have been awarded 1 government contracts with a combined value of £0.6M. See the Top Government Contractors report.
There are 327 active companies registered in Mill Hill, out of 373 total. 25 (7%) are no longer active.
The top industries in Mill Hill include Buying and selling of own real estate (54 companies), Other (28 companies), Other service activities n.e.c. (26 companies).
19.9% of currently active companies in Mill Hill were incorporated since 2020, indicating steady recent growth.
Our database contains 3,320 data signals across 10 categories for active companies in Mill Hill. The largest category is Financial with 1,441 signals from 6 sources.
The oldest company registration in Mill Hill dates back to 1942, spanning over 84 years of business history.