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Company number
02431701

RELAY ENGINEERING LIMITED

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
RELAY ENGINEERING LIMITED
Company number
02431701
Registered office
8TH FLOOR THE ASPECT, 12 FINSBURY SQUARE, LONDON, EC2A 1AS, UNITED KINGDOM · 36 other companies at this postcode
Company type
Private Limited Company
Incorporated on
12 October 1989
Status
Active
Age
36 years
Previous names
RELAY (SOUTH WEST) LIMITED (to 05 Jan 2007)
Nature of business (SIC)
25110 — Manufacture of metal structures and parts of structures · 43210 — Electrical installation
Accounts — next due
30 Sept 2026
Accounts — last made up to
31 Dec 2024
Confirmation statement — next due
21 May 2027
Confirmation statement — last
07 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.

People with significant control

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

Denholm Energy Services Limited
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 06/04/2016
Denholm Oilfield Services Limited
owns 75–100% of shares · holds 75–100% of voting rights
Notified 16/04/2016
Relay International Group Limited
owns 75–100% of shares
Notified 08/09/2023

Corporate structure

Who controls this company, and who they control in turn

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

Connections

Corporate owner owns 75–100% of shares Notified 08/09/2023 Controls 3 companies
Corporate owner owns 75–100% of shares · holds 75–100% of votes · can appoint and remove directors Control ended 08/09/2023 Controls 16 companies
Corporate owner owns 75–100% of shares · holds 75–100% of votes Control ended 26/05/2020 Controls 16 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
08/09/2023 Person with significant control ceased Denholm Energy Services Limited
08/09/2023 Person with significant control added Relay International Group Limited
26/05/2020 Person with significant control ceased Denholm Oilfield Services Limited
16/04/2016 Person with significant control added Denholm Oilfield Services Limited
06/04/2016 Person with significant control added Denholm Energy Services Limited
05/01/2007 Registered name changed RELAY (SOUTH WEST) LIMITED RELAY ENGINEERING LIMITED

Documents for RELAY ENGINEERING LIMITED

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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.

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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.

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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.

PDF Order

Data protection register

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

Relay Engineering Limited — EC2A 1AS
Trading as Denholm Engineering Industrial Air Power
Tier 2 · renews 22/06/2027
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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Frequently asked questions

What is the company number of RELAY ENGINEERING LIMITED?
According to the official registry, the company number of RELAY ENGINEERING LIMITED is 02431701.
Where is RELAY ENGINEERING LIMITED registered?
The registered office is 8TH FLOOR THE ASPECT, 12 FINSBURY SQUARE, LONDON, EC2A 1AS, UNITED KINGDOM.
What is the SIC code of RELAY ENGINEERING LIMITED?
The nature of business is recorded under SIC code 25110 — Manufacture of metal structures and parts of structures, 43210 — Electrical installation.
Who controls RELAY ENGINEERING LIMITED?
Denholm Energy Services Limited is recorded as a person with significant control, and owns 75–100% of shares, holds 75–100% of voting rights, can appoint and remove directors.
When are the next accounts of RELAY ENGINEERING LIMITED due?
The next annual accounts are due by 30 September 2026, and the last accounts were made up to 31 December 2024.

About RELAY ENGINEERING LIMITED (02431701)

RELAY ENGINEERING LIMITED is a private limited company incorporated on 12 October 1989 and registered in the United Kingdom under company number 02431701. Its registered office is at 8TH FLOOR THE ASPECT, 12 FINSBURY SQUARE, LONDON, EC2A 1AS, UNITED KINGDOM. The recorded nature of business is manufacture of metal structures and parts of structures (SIC 25110). The company is currently active , with statutory accounts last made up to 31 December 2024. , and the person with significant control is Denholm Energy Services 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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