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Company number
08528880

FLAGSTONE GROUP LTD

Active
✓ Active company on the official register. Next accounts due 30 September 2026.

Company details

London, England Contains OS data © Crown copyright and database right. Contains Royal Mail data © Royal Mail copyright and database right. Source: Office for National Statistics licensed under the Open Government Licence v.3.0.
Registered name
FLAGSTONE GROUP LTD
Company number
08528880
Registered office
1ST FLOOR CLAREVILLE HOUSE 27, OXENDON STREET, LONDON, SW1Y 4EL, ENGLAND · 200 other companies at this postcode
Company type
Private Limited Company
Incorporated on
14 May 2013
Status
Active
Age
13 years
Previous names
FLAGSTONE INVESTMENT MANAGEMENT LTD (to 28 Jul 2022)
Nature of business (SIC)
64999 — Financial intermediation not elsewhere classified
Accounts — next due
30 Sept 2026
Accounts — last made up to
31 Dec 2024
Confirmation statement — next due
16 May 2027
Confirmation statement — last
02 May 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.

Companies House register snapshot, read 02/09/2026.

Gender pay gap

What this employer reported to the government. The figure is the difference in median hourly pay as a share of men's — so a positive number means men are paid more, and a negative one means women are.

24.6% median gap in 2025 · women are 33% of the best-paid quarter

Published by every UK employer with 250 or more staff. Compare employers →

People with significant control

Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors

Andrew John Thatcher
owns 25–50% of shares · holds 25–50% of voting rights
Notified 06/04/2016
Mr Andrew John Thatcher
can appoint and remove directors
Notified 05/06/2024
Mr Michael Mendez
has significant influence or control
Notified 05/06/2024
Mr Simon Paul Merchant
can appoint and remove directors
Notified 05/06/2024

Corporate structure

Who controls this company, and who they control in turn

4 controllers Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Mr Andrew John Thatcher
born 06/1972 · Jersey can appoint and remove directors Notified 05/06/2024
Mr Michael Mendez
born 04/1958 · United States has significant influence or control Notified 05/06/2024
Mr Simon Paul Merchant
born 10/1967 · England can appoint and remove directors Notified 05/06/2024
Andrew John Thatcher
born 06/1972 · United Kingdom owns 25–50% of shares · holds 25–50% of votes Control ended 28/02/2023

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
05/06/2024 Person with significant control added Mr Simon Paul Merchant
05/06/2024 Person with significant control added Mr Michael Mendez
05/06/2024 Person with significant control added Mr Andrew John Thatcher
28/02/2023 Person with significant control ceased Andrew John Thatcher
28/07/2022 Registered name changed FLAGSTONE INVESTMENT MANAGEMENT LTD FLAGSTONE GROUP LTD
06/04/2016 Person with significant control added Andrew John Thatcher

Financial highlights

Parsed from the filed statutory accounts (£ thousands, except employees)

Source: Companies House bulk data filed accounts (iXBRL)
Metric FY2024FY2023
Total assets less current liabilities 35,887
▲ 88.2%
19,070
Net assets 35,507
▲ 101%
17,670
Employees (avg) 250
▲ 12.6%
222

Documents for FLAGSTONE GROUP LTD

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Company extract£1.99

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.

PDF Order
Financial statements£3.99

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.

PDF + CSV Order
Ownership report£3.99

Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.

PDF Order

Data protection register

Registered with the Information Commissioner's Office as a data protection fee payer.

Flagstone Group Ltd — SW1Y 4EL
Trading as Flagstone Group Limited
Tier 2 · renews 13/01/2027
ICO entry

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.

Get this company via API

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GET /v1/company/gb/08528880
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of FLAGSTONE GROUP LTD?
According to the official registry, the company number of FLAGSTONE GROUP LTD is 08528880.
Where is FLAGSTONE GROUP LTD registered?
The registered office is 1ST FLOOR CLAREVILLE HOUSE 27, OXENDON STREET, LONDON, SW1Y 4EL, ENGLAND.
What is the SIC code of FLAGSTONE GROUP LTD?
The nature of business is recorded under SIC code 64999 — Financial intermediation not elsewhere classified.
Who controls FLAGSTONE GROUP LTD?
Andrew John Thatcher is recorded as a person with significant control, and owns 25–50% of shares, holds 25–50% of voting rights.
When are the next accounts of FLAGSTONE GROUP LTD due?
The next annual accounts are due by 30 September 2026, and the last accounts were made up to 31 December 2024.

About FLAGSTONE GROUP LTD (08528880)

FLAGSTONE GROUP LTD is a private limited company incorporated on 14 May 2013 and registered in the United Kingdom under company number 08528880. Its registered office is at 1ST FLOOR CLAREVILLE HOUSE 27, OXENDON STREET, LONDON, SW1Y 4EL, ENGLAND. The recorded nature of business is financial intermediation not elsewhere classified (SIC 64999). The company is currently active , with statutory accounts last made up to 31 December 2024. , and the person with significant control is Andrew John Thatcher. 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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