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Company number
08910887

COSTAIN CONSULTING LTD

Active
✓ Active company on the official register. Next accounts due 31 December 2026.

Company details

South East, 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
COSTAIN CONSULTING LTD
Company number
08910887
Registered office
WALNUT HOUSE, 34 ROSE STREET, WOKINGHAM, BERKSHIRE, RG40 1XU · 116 other companies at this postcode
Company type
Private Limited Company
Incorporated on
25 February 2014
Status
Active
Age
12 years
Nature of business (SIC)
74909 — Other professional, scientific and technical activities n.e.c.
Accounts — next due
31 Dec 2026
Accounts — last made up to
31 Mar 2025
Confirmation statement — next due
05 Mar 2027
Confirmation statement — last
19 Feb 2026

People with significant control

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

Mr Douglas Ffinlo Costain
owns 75–100% of shares
Notified 01/01/2017

Corporate structure

Who controls this company, and who they control in turn

1 controller Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Mr Douglas Ffinlo Costain
born 05/1972 · England owns 75–100% of shares Notified 01/01/2017

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
01/01/2017 Person with significant control added Mr Douglas Ffinlo Costain

Financial highlights

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

Source: Companies House bulk data filed accounts (iXBRL)
Metric FY2025FY2024
Total assets less current liabilities 1
▼ 86.0%
8
Net assets 1
▼ 93.2%
8
Employees (avg) 1 1

Documents for COSTAIN CONSULTING LTD

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Company extract£1.99

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Financial statements£3.99

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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.

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Data protection register

No entry found on the ICO register of fee payers under this name.

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Frequently asked questions

What is the company number of COSTAIN CONSULTING LTD?
According to the official registry, the company number of COSTAIN CONSULTING LTD is 08910887.
Where is COSTAIN CONSULTING LTD registered?
The registered office is WALNUT HOUSE, 34 ROSE STREET, WOKINGHAM, BERKSHIRE, RG40 1XU.
What is the SIC code of COSTAIN CONSULTING LTD?
The nature of business is recorded under SIC code 74909 — Other professional, scientific and technical activities n.e.c..
Who controls COSTAIN CONSULTING LTD?
Mr Douglas Ffinlo Costain is recorded as a person with significant control, and owns 75–100% of shares.
When are the next accounts of COSTAIN CONSULTING LTD due?
The next annual accounts are due by 31 December 2026, and the last accounts were made up to 31 March 2025.

About COSTAIN CONSULTING LTD (08910887)

COSTAIN CONSULTING LTD is a private limited company incorporated on 25 February 2014 and registered in the United Kingdom under company number 08910887. Its registered office is at WALNUT HOUSE, 34 ROSE STREET, WOKINGHAM, BERKSHIRE, RG40 1XU. The recorded nature of business is other professional, scientific and technical activities n.e.c. (SIC 74909). The company is currently active , with statutory accounts last made up to 31 March 2025. , and the person with significant control is Mr Douglas Ffinlo Costain. 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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