TRIO ADVISORY UK LTD

Company number 04688350 ·

Active

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Shareholders' funds

£4,473,056

Balance sheet as at 2024-12-31

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What it does

The principal activity of the company is providing clients with energy and sustainability consultancy services, supported by proprietary software solutions.

The company's own description, from its latest filed accounts.

Overview

Company type
Private Limited Company
Incorporated
2003-03-06
Employees
277 (2024 accounts · was 256 in 2023)
Registered office
Savoy House, Savoy Circus, London, W3 7DA
Postcode
W3 7DA
Capital
261 GBP
Accounts category
Group

Accounts

Last made up to
2024-12-31
Next due by
2026-12-31
Financial year end
31 December

Confirmation statement

Last statement dated
2026-07-23
Next due by
2027-08-06
View filing history →

Nature of business (SIC)

  • 74909 Other professional, scientific and technical activities not elsewhere classified

Officers 3 current · 12 resigned

Subscribers only Director
Subscribers only Appointed 2023-11-03
Subscribers only Director
Appointed 2006-09-18
Subscribers only Secretary
Appointed 2003-03-06

View all officers and resignations →

Group structure

Controlled by QUARTUS INVESTMENTS LIMITED — since 2026-09-28

From persons-with-significant-control filings on the public register.

Previous company names

NameDate changed
ALFA ENERGY LIMITED2026-09-14

Previous registered addresses 2

AddressChanged on
1 HAVEN HOUSE, 1 HAVEN GREEN, LONDON, W5 2UU2007-04-27
HIGHSTONE COMPANY FORMATIONS LTD, HIGHSTONE HOUSE,165 HIGH STREET, BARNET, HERTFORDSHIRE EN5 5SU2003-03-27

Among its peers

Top 5%

by shareholders' funds, of 1,502 similar companies in W

The largest employer among its local peers (277 staff).

Among the oldest 25% of its local peers, trading since 2003.

262 companies are registered at this postcode →

Competitors London

This company ranks 27 among other professional, scientific and technical activities not elsewhere classified in London.

Full league table →

The class of 2003

39%

of the 2,475 companies in this sector incorporated in 2003 are still active today; 58% have since been dissolved.

A fact about the year, not a forecast for this company.

Survival rates for every incorporation year →