Companies in Mill Hill
328 active companies have their registered office in the Mill Hill post town, 8 of them incorporated in the last 12 months. That is 0.01% of active UK companies with a recorded post town.
Based on registered office addresses on the Companies House register; a company's registered office is not always where it trades.
Key figures
- Active companies
- 328
- Incorporated in the last 12 months
- 8 (2.4%)
- Average company age
- 19.6 years
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Largest companies in Mill Hill by net assets
Ranked by net assets (total assets less total liabilities) in each company's latest accounts on file, for periods ending in the last 30 months, as at 11 October 2026. Net assets are not turnover and do not measure size of trade. Employees are shown where the accounts state an average number.
| Rank | Company | Net assets | Employees | Accounts year end |
|---|---|---|---|---|
| 1 | WEST END & CITY PROPERTIES LIMITED (Company) | £31.3m | 4 | 30 November 2025 |
| 2 | GREENTREE ESTATES LIMITED (Company) | £28.6m | 4 | 30 November 2025 |
| 3 | GRAINHOME LIMITED (Company) | £6.0m | 4 | 30 November 2025 |
| 4 | BHM THREE LIMITED LIABILITY PARTNERSHIP (Limited liability partnership) | £6.0m attributable to members | Not given | 31 March 2026 |
| 5 | LOUNGES.TV LTD (Company) | £2.2m | 18 | 31 December 2025 |
| 6 | HAMILTON AIR CONDITIONING LTD (Company) | £2.2m | 2 | 28 February 2025 |
| 7 | WELWYN GARDEN ESTATES LIMITED (Company) | £2.0m | 8 | 30 November 2025 |
| 8 | AFA ESTATES LIMITED (Company) | £1.9m | 3 | 30 November 2025 |
| 9 | WJC INTERNATIONAL LIMITED (Company) | £1.5m | 2 | 30 September 2025 |
Only companies whose latest figures balance and pass our checks, in pounds and not dormant, are ranked, so this is the largest among those we can show reliably, not every company registered in Mill Hill. Figures are as filed with Companies House; CompanyStack does not audit them. A registered office is not always where a company trades.
Most common industries
Newest companies
| Company | Incorporated |
|---|---|
| OLD YARD WEST LIMITED | 29 July 2026 |
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