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SD

Service Design Associates Ltd

Architecture & engineering · Sheffield
Large

Service Design Associates Ltd specializes in building services engineering, providing tailored solutions that enhance performance and efficiency in various projects. They offer a range of services including mechanical, electrical, energy management, and sustainability consulting.

sda.co.uk ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£16.8m
Live
19
Buyers
17
12m
£2.0m
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities5
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts19 / 40
  • Top buyers17
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — Service Design Associates LtdUpdated 13 Jul 2026

At a glance · for buyers and watchdogs

Service Design Associates Ltd has won £16.8m across 17 public-sector buyers, with 19 live contracts. No active Companies House risk flags.

Why: top buyer North of England Commercial Procurement Collaborative (NOE CPC) at 32% · 100% in Architecture & engineering · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
19 of 40Live contracts
32%Top-buyer concentration
100%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 · 6
MechanicalBespoke mechanical solutions that balance comfort, performance, and sustainability. ↗ElectricalInnovative electrical solutions that combine safety, efficiency, and user-friendly design. ↗EnergyStrategies to reduce energy waste and optimize performance. ↗DigitalLeveraging digital technology to streamline project delivery. ↗SustainabilityDesigning sustainable, low-carbon buildings. ↗AdvisoryExpert guidance and innovative solutions for building services. ↗
Frameworks & DPS · 5 from notices
  • YORconsult3 Consultants Framework AgreementEast Riding of Yorkshire Council · £3.5m
  • CM124 - YORconsult2East Riding of Yorkshire Council · £1.0m
  • Framework for Construction Consultancy Services (GEN4)EN Procure Ltd · £972k
  • EN:Procure Consultancy FrameworkEN Procure Ltd · £149k
  • Estates Professional ServicesUnited Lincolnshire Hospitals NHS Trust · —

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

Case studies · 10

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

◐ From supplier website
Skelton Lakes Motorway ServicesRegional Cancer Centre for ChildrenAF SwitchgearGreystones SchoolDoncaster Wool MarketJoseph Priestley East BuildingBarbara Hepworth BuildingGrimsby MRI FacilityHealth Based Place of SafetyLincoln Medical School

Extracted automatically from sda.co.uk 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 · 19 live · 21 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
DSA - Terminal Project M&E Consultancy
City of Doncaster Council7131100016 May 2026£60k—Closed
DSA - Terminal Project M&E Consultancy
City of Doncaster Council7132100015 Jun 2026£60k12 moLive
LU00925 The Provision of an Estates Consultancy Framework
Loughborough University7153000011 Feb 2026£364k1.9 yrsLive
Pilgrim Theatres Chillers Consultancy Work
United Lincolnshire Hospitals NHS Trust7153000004 Dec 2025£69k4 moClosed
Fusion21 Construction Consultancy Services Framework
Fusion21 Members Consortium7100000022 Sept 2025£1.4m4 yrsLive
Framework for Construction Consultancy Services (GEN4)
EN Procure Ltd7000000027 Jan 2025£972k4 yrsLive
Consultancy for Design Works
United Lincolnshire Hospitals NHS Trust7941520001 Apr 2025£193k2 moClosed
AP2411 - M&E Design Services Framework
Scape Group Limited (trading as SCAPE)7132100028 Apr 2025£200k4 yrsLive
YORconsult3 Consultants Framework Agreement
East Riding of Yorkshire Council4511245008 Jan 2025£3.5m4 yrsLive
Professional Services - Capital 2024
United Lincolnshire Hospitals NHS Trust7941000001 Jul 2024£30k9 moClosed
Total live value £11.9m · mean award £419k1–10 of 40

Top buyers · 17 buyers · top 3 = 72%

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

✓ From notices
1
North of England Commercial Procurement Collaborative (NOE CPC)
1 contract
32%
since 2023
2
East Riding of Yorkshire Council
4 contracts
29%
since 2018
3
Sheffield City Council
1 contract
11%
since 2018
4
Fusion21 Members Consortium
7 contracts
9%
since 2025
5
EN Procure Ltd
3 contracts
7%
since 2020
6
Loughborough University
5 contracts
5%
since 2021
7
United Lincolnshire Hospitals NHS Trust
4 contracts
2%
since 2018
8
Sheffield Hallam University
4 contracts
1%
since 2016
9
PROCURE PLUS HOLDINGS LIMITED
1 contract
1%
since 2018
10
Scape Group Limited (trading as SCAPE)
2 contracts
1%
since 2025

Category mix

CPV-division share of last-12m awarded value. Single-category exposure: 100%.

✓ From notices
Architecture & engineering71
100%
⚠ Concentration: 100% of recent awarded value sits in a single CPV division. A category-specific downturn would materially affect revenue.

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
Yorkshire16 contracts
82%
North West8 contracts
10%
East Midlands11 contracts
8%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). Service Design Associates Ltd highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
PA
PURCELL ARCHITECTURE LIMITED
No£22.4m2
AE
AECOM LIMITED
No£2.7m9
D&
DREES & SOMMER UK LIMITED
Yes£2.7m3
SD
Service Design Associates Ltd
No£2.0m—
AR
Arcadis LLP
No£1.6m1
C&
CURRIE & BROWN UK LIMITED
No£1.4m3
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 Jul 2025
Confirmation statement
Up to date
Next due 13 Nov 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.
02280509
Status
Active
Type
Private limited
Incorporated
26 Jul 1988
Reg. office
Unit 1 Acres Hill Business Park, Acres Hill Lane, Sheffield, S Yorkshire, S9 4LR
SIC codes
71111 · 71122
Last accounts
31 Jul 2025
Next accounts due
30 Apr 2027

Directors & PSC

  • HOYES, Karen Elizabeth — secretary
    Appointed 01 Aug 2020
  • SMITH, Matthew Paul — director
    Appointed 01 Aug 2020
  • HOYES, Paul Andrew — director
    Appointed 08 Jun 1995
  • Mrs Karen Elizabeth Hoyes — person with significant control
    ownership of shares 25 to 50 percent
  • Mr Paul Andrew Hoyes — person with significant control
    voting rights 50 to 75 percent

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
SERVICES DESIGN ASSOCIATES LIMITED
02280509 · this company

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