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HH

HARLEY HADDOW LIMITED

Edinburgh
SME

Harley Haddow Limited is a multidisciplinary engineering consultancy specializing in civil, structural, mechanical, and electrical engineering. They focus on sustainable building performance and have a portfolio of diverse projects across various sectors.

harleyhaddow.com ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£467.9m
Live
16
Buyers
19
12m
£430.0m
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts16 / 20
  • Top buyers19
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — HARLEY HADDOW LIMITEDUpdated 13 Jul 2026

At a glance · for buyers and watchdogs

HARLEY HADDOW LIMITED has won £467.9m across 19 public-sector buyers, with 16 live contracts. No active Companies House risk flags.

Why: top buyer Regenda Limited (M&Y) at 91% · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
16 of 20Live contracts
91%Top-buyer concentration
—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 · 5
Civil & Structural EngineeringMechanical, Electrical Engineering (MEP)Building Performance & SustainabilityBIMNet Zero

Extracted automatically from harleyhaddow.com on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

Case studies · 2

Delivery stories from the supplier’s website. Clients are not yet cross-checked against award records.

◐ From supplier website
Proton Beam Therapy UnitThe world’s first proton beam cancer therapy unit built entirely below ground, featuring complex medical facilities and significant excavation challenges. ↗Rosslyn Chapel Conservation & Visitor CentreConservation work on a historic site to ensure long-term preservation and the addition of a new Visitor Centre. ↗

Extracted automatically from harleyhaddow.com on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

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 · 16 live · 4 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
KU Estates Building Consultancy Framework
Kingston University Higher Education Corporation—18 May 2026—4 yrspending
Mechanical and Electrical Design Consultancy Services
Lancashire County Council—01 May 2026£2.0m4 yrspending
Regenda Ltd Framework Award - Works and Services Framework (04/03/26)
Regenda Limited (M&Y)—17 Mar 2026£428.0m4 yrspending
Mechanical & Electrical Engineering Services
Information Commissioner's Office7133400017 Jan 2024£83k3 yrsLive
Rooftop Development Framework
Echelon Consultancy Ltd4411240016 Jan 2023£37.8m4 yrsLive
Energy-Related Technical Consultancy Advice Framework Agreement
Ofgem7131400001 May 2018£17k2 yrsClosed
Professional Services Framework
Trust Housing Association71500000———Live
Provision of the Mechanical and Electrical Consultancy Services Framework 2025 - 2027
East Renfrewshire Council71334000———Live
Building Construction Consultancy
Scotland Excel71000000———Live
Estates: Mechanical and Electrical Engineer for the New North Haugh Building at the University of St Andrews
University of St Andrews71334000———Live
Total live value £37.9m · mean award £23.4m1–10 of 20

Top buyers · 19 buyers · top 3 = 100%

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

✓ From notices
1
Regenda Limited (M&Y)
2 contracts
91%
since 2026
2
Echelon Consultancy Ltd
1 contract
8%
since 2022
3
Lancashire County Council
1 contract
0%
since 2026
4
Information Commissioner's Office
1 contract
0%
since 2024
5
Ofgem
1 contract
0%
since 2018
6
Kingston University Higher Education Corporation
1 contract
0%
since 2026
7
Trust Housing Association
1 contract
0%
8
East Renfrewshire Council
1 contract
0%
9
Scotland Excel
1 contract
0%
10
University of St Andrews
1 contract
0%

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
North West4 contracts
92%
Eastern2 contracts
8%
London3 contracts
0%
South East1 contract
0%
Scotland10 contracts
0%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). HARLEY HADDOW LIMITED highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
HH
HARLEY HADDOW LIMITED
Yes£430.0m—
JS
John Sisk and Son Ltd
No£67.8m1
AE
AECOM LIMITED
No£2.8m10
D&
DREES & SOMMER UK LIMITED
Yes£2.3m2
PA
PURCELL ARCHITECTURE LIMITED
No£2.1m2
T&
Turner & Townsend Project Management Ltd
No£1.8m4
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 30 Apr 2025
Confirmation statement
Up to date
Next due 23 Sept 2026
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.
SC458611
Status
Active
Type
Private limited
Incorporated
09 Sept 2013
Reg. office
124-125 Princes Street, Edinburgh, EH2 4AD
SIC codes
70100 · 71122
Last accounts
30 Apr 2025
Next accounts due
31 Jan 2027

Directors & PSC

  • WILLIS-ROBB, Guy Patrick — director
    Appointed 01 Jun 2021
  • KELLACHAN, James John — director
    Appointed 15 Jan 2016
  • MCLUSKEY, Marc David — director
    Appointed 15 Jan 2016
  • NAPIER, Mark Raymond — director
    Appointed 15 Jan 2016
  • TAIT, Colin John, Dr — director
    Appointed 15 Jan 2016

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
HARLEY HADDOW LIMITED
SC458611 · this company

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