GEM Environmental Building Services Limited

Large enterpriseUK · LondonCompany No. 03893436

GEM Environmental Building Services Limited is a UK limited company, based in London, incorporated in 1999. Has won 15 UK public-sector contracts worth £117.5m across 9 buyers, primarily Notting Hill Genesis.

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Active contracts

no new awards in 30d

Contracted (12m)

—

▼ 100% vs prior 12m

Public buyers

stable this month

Top buyer share

81%

Notting Hill Genesis

Buyer concentration

Each block sized by share of total award value. A dominant block signals dependency on one buyer.

Severe concentration. Top buyer alone = 81% of revenue.

Notting Hill Genesis

£94.8m

81%

Islington

£11.7m

10%

Fusion21 Members Consortium

£8.0m

Luton Borough Council

£1.5m

Luton Council

£667k

Other (4 buyers)

£892k

Contracts won · 15 total · 10 active · 5 expired

Every contract award published under the Procurement Act.

Sort

Title	Buyer	Award type	Value	Awarded	Status
Unmetered and Domestic Heating Services Framework Agreement	Notting Hill Genesis	Shared contract	£94.8m lot total · 12 suppliers	22 Aug 2024	active
Untitled	Islington	Framework call off	£11.7m ceiling · ~£3.9m share (÷3)	13 Feb 2020	expired
Fusion21 Heating, Renewables, and Electrical Framework	Fusion21 Members Consortium	Shared contract	£4.0m lot total · 105 suppliers	29 Jan 2024	active
Fusion21 Heating, Renewables, and Electrical Framework	Fusion21 Members Consortium	Shared contract	£4.0m lot total · 105 suppliers	29 Jan 2024	active
Luton Council FTS Open Tender Framework procurement for Mechanical Services Support: Domestic Gas Servicing and Associated Work, Domestic Boiler Replacement and Associated Work, Communal Boiler Servicing; Maintenance and Mechanical, Water Treatment Services and Associated Works.	Luton Borough Council	Framework call off	£1.5m ceiling · ~£146k share (÷10)	31 Mar 2023	active
Electrical Support	Luton Council	Framework call off	£667k ceiling · ~£74k share (÷9)	01 Mar 2022	active
Heating and Compliancy Management Framework	South East Consortium	Shared contract	£303k lot total · 20 suppliers	18 Dec 2019	expired
Plantroom Works at Queen Elizabeth House	WANDLE HOUSING ASSOCIATION LIMITED	Direct contract	£258k	30 Nov 2023	expired
AHU HEATING & BOILER REPLACEMENT AND IMPROVEMENT WORKS - SULHAMSTEAD RANGE	Thames Valley Police	Direct contract	£167k	02 Nov 2021	expired
Fielding Street Boiler Replacement Works Capital Works 2020	London Borough of Southwark	Direct contract	£164k	18 May 2023	expired
Unmetered and Domestic Heating Services Framework Agreement	Notting Hill Genesis	Shared contract	— lot total · 6 suppliers	—	active
Unmetered and Domestic Heating Services Framework Agreement	Notting Hill Genesis	Shared contract	— lot total · 10 suppliers	—	active
Fusion21 Heating, Renewables, and Electrical Framework	Fusion21 Members Consortium	Shared contract	— lot total · 10 suppliers	—	active
Fusion21 Heating, Renewables, and Electrical Framework	Fusion21 Members Consortium	Shared contract	— lot total · 10 suppliers	—	active
Fusion21 Heating, Renewables, and Electrical Framework	Fusion21 Members Consortium	Shared contract	— lot total · 10 suppliers	—	active

GEM Environmental Building Services Limited

Buyer concentration

Contracts won · 15 total · 10 active · 5 expired

Top buyers · by total award value

Award value — last 8 quarters

Category mix — CPV divisions

Geographic spread

Modifications received · scope growth on existing wins

Compliance scorecard

Financial health

Company information

Corporate structure

Companies House data

Peer suppliers

News mentions

Compliance scorecard

Financial health

Company information

Corporate structure

GEM Environmental Building Services Limited

Companies House data

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