GUILDMORE LTD.
Company details
- Registered name
- GUILDMORE LTD.
- Company number
- 03517348
- Registered office
- KALAMU HOUSE, 11 COLDBATH SQUARE, LONDON, EC1R 5HL, ENGLAND
- Company type
- Private Limited Company
- Incorporated on
- 26 February 1998
- Status
- Active
- Age
- 28 years
- Previous names
- EXCELCARE DEVELOPMENTS LTD. (to 10 Oct 2011)
- Nature of business (SIC)
- 41201 — Construction of commercial buildings
- Accounts — next due
- 31 Dec 2026
- Accounts — last made up to
- 31 Mar 2025
- Confirmation statement — next due
- 30 Apr 2027
- Confirmation statement — last
- 16 Apr 2026
What the register says
Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.
- 215 companies are registered at this address — commonly a formation agent or an accountant rather than an office.
Companies House register snapshot, read 02/09/2026.
People with significant control
Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors
Corporate structure
Who controls this company, and who they control in turn
Connections
Change history
Reconstructed from the dated records Companies House publishes
| Date | Change | Was | Now |
|---|---|---|---|
| 31/03/2025 | Person with significant control ceased | Mr. Osman Ertosun | — |
| 31/03/2025 | Person with significant control ceased | Mr. Engin Ertosun | — |
| 31/03/2025 | Person with significant control added | — | Guildmore Group Limited |
| 04/04/2020 | Person with significant control ceased | Mrs. Zarif Ertosun | — |
| 04/04/2020 | Person with significant control added | — | Mr. Osman Ertosun |
| 04/04/2020 | Person with significant control added | — | Mr. Engin Ertosun |
| 03/04/2020 | Person with significant control ceased | Mr. Rusen Osman Ertosun | — |
| 03/04/2020 | Person with significant control added | — | Mrs. Zarif Ertosun |
| 30/06/2016 | Person with significant control added | — | Mr. Rusen Osman Ertosun |
| 10/10/2011 | Registered name changed | EXCELCARE DEVELOPMENTS LTD. | GUILDMORE LTD. |
Financial highlights
Parsed from the filed statutory accounts (£ thousands, except employees)
| Metric | FY2025 | FY2024 |
|---|---|---|
| Total assets less current liabilities | 9,992 ▲ 14.1% | 8,756 |
| Net assets | 5,963 ▲ 20.4% | 4,951 |
| Employees (avg) | 125 ▼ 3.8% | 130 |
Documents for GUILDMORE LTD.
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The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.
Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.
Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.
Data protection register
Registered with the Information Commissioner's Office as a data protection fee payer.
The ICO publishes no company number, so this is matched on the registered name and confirmed by the postcode. Check the ICO entry before relying on it.
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About GUILDMORE LTD. (03517348)
GUILDMORE LTD. is a private limited company incorporated on 26 February 1998 and registered in the United Kingdom under company number 03517348. Its registered office is at KALAMU HOUSE, 11 COLDBATH SQUARE, LONDON, EC1R 5HL, ENGLAND. The recorded nature of business is construction of commercial buildings (SIC 41201). The company is currently active , with statutory accounts last made up to 31 March 2025. , and the person with significant control is Guildmore Group Limited. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.
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