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Sustainable Energy Limited

Business services · Cardiff
SME

Sustainable Energy Limited provides end-to-end services for low-carbon energy and district heating delivery, including energy strategy, project development, engineering design, and operations management.

sustainable-energy.co.uk ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£11.5m
Live
8
Buyers
25
12m
£475k
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities4
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts8 / 44
  • Top buyers25
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — Sustainable Energy LimitedUpdated 13 Jul 2026

At a glance · for buyers and watchdogs

Sustainable Energy Limited has won £11.5m across 25 public-sector buyers, with 8 live contracts. No active Companies House risk flags.

Why: top buyer Department for Energy Security & Net Zero at 53% · 47% in Business services · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
8 of 44Live contracts
53%Top-buyer concentration
47%Category exposure
0Contract modifications
If you're a buyer:CapabilitiesReferencesKPIComplianceWatchdog?FlagsModificationsConcentrationNews

Social value

Commitments mapped to the Government Social Value Model themes.

⚑ Self-reported
—

No social-value commitments yet

Jobs, skills, environmental, inequality and community commitments appear here once a claimed supplier attributes them to awarded contracts, or once we detect them on the supplier’s website.

ESG & policies vault · 0/5

Key governance & sustainability policies. Published documents link out; missing ones are greyed.

↔ Cross-checked
Net-zero planNot provided✓
Modern slavery statementNot provided✓
EDI policyNot provided✓
Anti-briberyNot provided✓
Data protectionNot provided✓

Capabilities

What this supplier does, where they sit, who they sell to.

◐ From website & notices
Sectors served · 1/8
Central government✓
Local government✓
NHS & health✓
Housing✓
Utilities & energy✓
Financial services✓
Education✓
Defence✓
Services · 4
Energy strategy and advisoryDecarbonisation strategy, feasibility, funding & due diligence. ↗Project developmentEngineering and designDigital engineering design across all scales of renewable and district energy. ↗Operations and asset managementOperations, asset management & maintenance for low-carbon heat and power. ↗
Frameworks & DPS · 4 from notices
  • 2838_19 Renewable Energy SolutionsEspo · £333k
  • Tender for the provision of High Level Study for the potential of a District Energy Scheme in Ross-on-WyeHerefordshire Council · £27k
  • 18 156 Contract for the provision of garden villiage at Handforth heat network - mapping, masterplanning and detailed technical feasibility studyCHESHIRE EAST COUNCIL · £22k
  • Killingworth District Heat Network Feasibility StudyNORTH TYNESIDE COUNCIL · —

Extracted automatically from sustainable-energy.co.uk on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

Case studies

Delivery stories the supplier has published, with sector and outcome.

⚑ Self-reported
—

No case studies yet

Once a claimed supplier publishes delivery stories — the buyer, the sector, what was delivered and the outcome — they appear here.

Buyer references

Named public-sector contacts who have agreed to act as a reference.

✓ Confirmed by buyer
—

No buyer references yet

Public-sector buyers can confirm they'll act as a reference for this supplier. Confirmed references — with the contract they relate to — show here.

Accreditations & memberships

Independently issued. Verification dates cross-checked against issuer registers.

↔ Cross-checked
—

No accreditations recorded

B-Corp, ISO, Cyber Essentials, Living Wage and similar credentials appear here once added by a claimed supplier and cross-checked against the issuing register.

KPI performance

Delivery, budget and satisfaction scores reported quarterly by buyers.

✓ Verified
84

No verified KPI scores yet

Once buyers report contract KPIs — delivery on time, on budget, satisfaction, adoption and accessibility — a weighted grade and breakdown appear here.

Contracts · 8 live · 36 historic

Pulled from Contracts Finder & Find a Tender. Most recent first.

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
Paddington Village Heat & Energy Network Technical Advisor
Liverpool City Council7131430001 May 2026£88k13 moLive
District Heating - Wakefield Detailed Project Development and Knottingley Feasibility Study
WAKEFIELD COUNCIL7900000007 Jan 2026£226k12 moLive
Heat Network Detailed Project Development Study Around the Bayonne Housing Estate
London Borough of Hammersmith & Fulham7300000028 Oct 2025£162k9 moLive
B&NES Heat Network Feasibility Study
The West of England Combined Authority7124100014 Mar 2025£39k5 moClosed
HNDU Project Delivery Support Lot 1
Department for Energy Security & Net Zero0900000031 Jan 2025£150k2 moClosed
HNDU Zoning Support Lot 2.2 TOF001
Department for Energy Security & Net Zero7160000011 Dec 2024£170k4 moClosed
Energy & Net Zero Professional Services Framework
Department for Energy Security & Net Zero7131400001 Feb 2025£5.8m2 yrsLive
Mine Water Energy Living Laboratory - AWARD
Bolsover District Council7131400001 Aug 2024£70k7 moClosed
Mini-Competition opportunity under the GLA 81635 Local Energy Framework - Worcester Heat Network
Worcester City Council7131430022 Jan 2024£209k8 moClosed
East Gateshead Extension - Heat Network Feasibility Studies
Gateshead Council6540000015 Jan 2024£45k4 moClosed
Total live value £6.3m · mean award £262k1–10 of 44

Top buyers · 25 buyers · top 3 = 76%

Share of awarded value. Concentration fires above 40% for any single buyer.

✓ From notices
1
Department for Energy Security & Net Zero
4 contracts
53%
since 2024
2
Bristol City Council
12 contracts
14%
since 2017
3
Business Energy and Industrial Strategy
1 contract
9%
since 2022
4
Procurement for Housing
1 contract
6%
since 2020
5
Espo
1 contract
3%
since 2019
6
Royal Borough of Greenwich
3 contracts
2%
since 2019
7
University Of The West Of England
3 contracts
2%
since 2018
8
WAKEFIELD COUNCIL
1 contract
2%
since 2025
9
Worcester City Council
1 contract
2%
since 2024
10
London Borough of Brent
1 contract
2%
since 2021

Category mix

CPV-division share of last-12m awarded value.

✓ From notices
Business services79
47%
R&D services73
34%
Architecture & engineering71
18%

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
London10 contracts
66%
South West16 contracts
17%
North West5 contracts
7%
West Midlands3 contracts
3%
East Midlands1 contract
3%
Yorkshire2 contracts
3%
South East1 contract
2%
North East2 contracts
0%
Scotland1 contract
0%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). Sustainable Energy Limited highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
ME
Meridiam
No£2.0bn2
DE
Deloitte LLP
No£200.3m2
PC
PA Consulting
No£150.0m1
CU
CAPGEMINI UK PLC
No£33.8m2
CE
Corona Energy Retail 1 Limited
No£33.0m1
SE
Sustainable Energy Limited
Yes£475k—
Compare peers →

Red flags · 0 active

Automated scan of Companies House status, charges and insolvency records.

✓ Verified
✓ Clean. No active risk signals from Companies House status, charges or insolvency records.

Compliance scorecard

Derived from Companies House filings — not a full supplier-assurance check.

↔ Cross-checked
Trading status
Active
Live at Companies House
Annual accounts
Up to date
Last made up to 31 Dec 2024
Confirmation statement
Up to date
Next due 01 May 2027
Outstanding charges
0
No charges registered
Insolvency history
None
No insolvency cases registered
Certifications (ISO, Cyber Essentials, Living Wage, B-Corp, modern-slavery) are supplier self-reported and appear once a claimed profile adds them.

Modifications

Variations to awarded contracts logged under Procurement Act 2023 s.74.

✓ From notices
±

No modifications recorded

No published contract variations for this supplier. Modification notices appear here as they are issued under the Procurement Act 2023.

News mentions

UK trade press & nationals, matched to this supplier.

◰

No news mentions found

We haven't matched any recent UK press coverage to this supplier. Mentions appear here automatically as they're published.

Companies House

Live sync — registered details, directors, PSC and SIC codes.

✓ Live sync

Registered details

Company no.
03548094
Status
Active
Type
Private limited
Incorporated
17 Apr 1998
Reg. office
9 Drake Walk, Brigantine Place, Cardiff, CF10 4AN
SIC codes
71122
Last accounts
31 Dec 2024
Next accounts due
30 Sept 2026

Directors & PSC

  • WOODMAN, Christina Marie — director
    Appointed 13 Aug 2010
  • WOODMAN, Christina Marie — secretary
    Appointed 10 Jul 2003
  • GALLAGHER, Gabriel Jude — director
    Appointed 16 May 2001
  • Sustainable Group Limited — person with significant control
    ownership of shares 75 to 100 percent · voting rights 75 to 100 percent · right to appoint and remove directors

Financial

Filed accounts from Companies House.

↔ From Cos House
£

No financial filings on record

Turnover, profit and headcount appear here once audited or micro-entity accounts are filed at Companies House.

Org tree

Group structure and ownership.

↔ From Cos House
SUSTAINABLE ENERGY LIMITED
03548094 · this company

Independent. No parent company or subsidiaries recorded at Companies House for this entity.