Companies in Maidenhead

7,216 active companies have their registered office in the Maidenhead post town, 783 of them incorporated in the last 12 months. That is 0.1% 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
7,216
Incorporated in the last 12 months
783 (10.9%)
Average company age
12.2 years

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Largest companies in Maidenhead 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.

RankCompanyNet assetsEmployeesAccounts year end
1RWS HOLDINGS PLC£763.2mNot given30 September 2025
2RANK GROUP FINANCE PLC£280.3mNot given30 June 2025
3MERPAS (UK) LIMITED£149.3m231 December 2024
4HAULFRYN HOLDINGS LIMITED£107.2mNot given31 January 2026
5HAULFRYN LIMITED£107.2m19431 January 2026
6BIOGEN IDEC LIMITED£92.5mNot given31 December 2025
7RIF GROUP HOLDINGS LTD£36.1m930 September 2025
8CT SQUIRREL GROUP LTD£25.5m231 May 2025
9HALA LIMITED£22.1mNot given30 June 2024
10ABBOTT RAPID DIAGNOSTICS LIMITED£20.4mNot given31 December 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 Maidenhead. 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

Largest by reported turnover in Maidenhead

Ranked by turnover in each company's latest accounts on file, for periods ending in the last 30 months, as at 11 October 2026. Many small companies file accounts without turnover, so this ranks the companies that report it.

RankCompanyTurnoverAccounts year end
1RWS HOLDINGS PLC£690.1m30 September 2025
2LIFE SERVICES GROUP LTD£287.9m26 December 2025
3BIOGEN IDEC LIMITED£183.4m31 December 2025
4HALA LIMITED£97.9m30 June 2024
5WEST LONDON ENERGY RECOVERY HOLDINGS LTD£54.2m31 March 2026
6WEST LONDON ENERGY RECOVERY LTD£54.2m31 March 2026
7CORNWALL ENERGY RECOVERY LTD£52.7m31 March 2026
8CORNWALL ENERGY RECOVERY HOLDINGS LTD£52.7m31 March 2026
9MERSEYSIDE ENERGY RECOVERY HOLDINGS LTD£45.4m31 March 2025
10HAULFRYN LIMITED£38.0m31 January 2026

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. Figures are as filed with Companies House; CompanyStack does not audit them.

Newest companies

CompanyIncorporated
ACCOUNTANCY ANSWERS LTD11 October 2026
& PAUSE SAUNA LTD9 October 2026
CARE ACCOUNTANCY BERKSHIRE LTD9 October 2026
12 CAMELS LTD9 October 2026
SZYMANIEC PROPERTY LIMITED8 October 2026
KLE PROPERTY GROUP LTD8 October 2026
ARIVULABS LTD8 October 2026
KENTIGERN'S NAG LTD7 October 2026
PRE-BOOKED LTD7 October 2026
MAGIC AND MINT LTD7 October 2026

Search further

Filter companies by postcode, industry and financials with the CompanyStack API — for example GET https://api.companystack.co.uk/company/postcode/{postcode}.