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OC

OnSite Central Limited

UK public-sector supplier
Large

OnSite Central Limited provides drainage, waterways, pipelines, rail, trenchless, and specialist maintenance services. They offer a wide range of capabilities including water quality monitoring, civil engineering, and various drainage solutions.

onsite.co.uk ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£35.9m
Live
16
Buyers
30
12m
£26.8m
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities6
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts16 / 47
  • Top buyers30
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — OnSite Central LimitedUpdated 06 Jul 2026

At a glance · for buyers and watchdogs

OnSite Central Limited has won £35.9m across 30 public-sector buyers, with 16 live contracts.

Why: top buyer UNITED UTILITIES WATER LIMITED at 67% · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
No CH recordCompany status
16 of 47Live contracts
67%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 · 2
Water Quality MonitoringIndustry leading and international water quality monitoring services. ↗Turnkey Drainage ProjectsComprehensive drainage project management and execution. ↗
Frameworks & DPS · 6 from notices
  • Highway Works ContractBorough Council of Calderdale · £633k
  • Adlelaide House Parapet RepairsYour Homes Newcastle Ltd · £128k
  • Drain and Gully Clearance 2019Bradford Metropolitan District Council · £62k
  • 23093A For the Construction of our 'SUDS IN SCHOOLS' Project at Westfield Junior School, Cambridgeshire.Cambridgeshire County Council · £49k
  • 23093B For The Construction of our 'SUDS IN SCHOOLS' PROJECT at WILLINGHAM PRIMARY SCHOOL, CambridgeshireCambridgeshire County Council · £48k
  • 0094 Crompton Street River Bridge Concrete Repairs - Works Contract 2023Wigan Council · £18k

Extracted automatically from onsite.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 · 16 live · 31 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
PRO004895 Flow and Asset Management Surveys including Wastewater Surveys
UNITED UTILITIES WATER LIMITED—13 Jul 2026£24.0m3 yrspending
BSS25004 - Grounds Maintenance Framework
Barcud Shared Services—22 Apr 2026£2.8m3 yrsLive
Ross-on-Wye Lengthsman Scheme
Ross-on-Wye Town Council—01 Apr 2026£42k2 yrsLive
SOL - Highway Drainage CCTV and Survey Work 2024 - AWARD
Solihull MBC4400000030 May 2025—4 yrsLive
CLOSED CHURCHYARDS BOUNDARY WALL REPAIRS
Sheffield City Council4521000001 Apr 2024£114k2 moClosed
23093A For the Construction of our 'SUDS IN SCHOOLS' Project at Westfield Junior School, Cambridgeshire.
Cambridgeshire County Council4400000012 Feb 2024£49k15 moClosed
23093B For The Construction of our 'SUDS IN SCHOOLS' PROJECT at WILLINGHAM PRIMARY SCHOOL, Cambridgeshire
Cambridgeshire County Council4400000012 Feb 2024£48k15 moClosed
UKHSA - Porton - 200004 - Fire Hydrant Storage Tanks
UK HEALTH AND SECURITY AGENCY4500000021 Dec 2023£924k11 moClosed
NUN - Water Supply Reactive Repairs - AWARD
Nuneaton & Bedworth BC (NUN)4416120001 Sept 2023£350k3 yrsLive
0094 Crompton Street River Bridge Concrete Repairs - Works Contract 2023
Wigan Council4500000024 Jul 2023£18k1 moClosed
Total live value £3.2m · mean award £764k1–10 of 47

Top buyers · 30 buyers · top 3 = 86%

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

✓ From notices
1
UNITED UTILITIES WATER LIMITED
2 contracts
67%
since 2026
2
Transport for London
2 contracts
11%
since 2016
3
Barcud Shared Services
1 contract
8%
since 2026
4
UK HEALTH AND SECURITY AGENCY
3 contracts
4%
since 2022
5
Public Health England
2 contracts
3%
since 2019
6
Borough Council of Calderdale
1 contract
2%
since 2019
7
Nuneaton & Bedworth BC (NUN)
1 contract
1%
since 2023
8
Places for People Group Limited
1 contract
1%
since 2020
9
NSAH (ALLIANCE HOMES) LIMITED
2 contracts
1%
since 2020
10
National Highways
5 contracts
1%
since 2017

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
North West5 contracts
72%
London4 contracts
15%
Wales1 contract
8%
Yorkshire5 contracts
2%
West Midlands8 contracts
1%
South West6 contracts
1%
South East5 contracts
1%
North East2 contracts
0%
Eastern3 contracts
0%
East Midlands2 contracts
0%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). OnSite Central Limited highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
LP
LOVELL PARTNERSHIPS LIMITED
No£140.0m1
JS
John Sisk and Son Ltd
No£67.8m1
KC
Kier Construction
Yes£35.4m2
WD
Willmott Dixon Construction Limited
No£28.1m2
OC
OnSite Central Limited
No£26.8m—
CC
Clegg Construction Limited
No£18.8m2
Compare peers →

Red flags · 0 active

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

✓ Verified
No Companies House record linked — automated risk checks unavailable.

Compliance scorecard

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

↔ Cross-checked
No Companies House record linked — statutory compliance checks unavailable.

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

Registered details, directors and PSC.

✓ Live sync
🏛

No Companies House record linked

A Companies House number is on file but the record has not been synced yet.

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
—
06095840 · this company

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