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HN

H2O Nationwide Limited

UK public-sector supplier
SME

H2O Nationwide Limited is a UK water industry specialist providing water hygiene, water treatment, and legionella risk management services to commercial and public sector clients. The company offers comprehensive water safety compliance solutions including testing, monitoring, and remediation.

h2onationwide.co.uk ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£36.1m
Live
20
Buyers
31
12m
—
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities5
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts20 / 47
  • Top buyers31
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — H2O Nationwide LimitedUpdated 13 Jul 2026

At a glance · for buyers and watchdogs

H2O Nationwide Limited has won £36.1m across 31 public-sector buyers, with 20 live contracts.

Why: top buyer Optivo at 39% · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
No CH recordCompany status
20 of 47Live contracts
39%Top-buyer concentration
—Category exposure
0Contract modifications
If you're a buyer:CapabilitiesReferencesKPIComplianceWatchdog?FlagsModificationsConcentrationNews

Social value · 2/5

Commitments mapped to the Government Social Value Model themes. Each is tagged self-reported or from the website.

◐ From supplier website
JobsNo commitment stated✓
Skills1 commitment✓
Environment1 commitment✓
Tackling inequalityNo commitment stated✓
CommunityNo commitment stated✓
Skills · 1
  • WebsiteSocialTraining and apprenticeships in water hygiene sector.
Environment · 1
  • WebsiteEnvironmentalWater conservation and sustainable water management practices.

Extracted automatically from h2onationwide.co.uk on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

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 · 7
Legionella Risk Assessments
Water Hygiene Services
Water Treatment
Water Testing and Sampling
Cooling Tower Maintenance
Hot and Cold Water Systems
Compliance Audits
Frameworks & DPS · 5 from notices
  • SEC Heating and Water Hygiene FrameworkSouth East Consortium · £7.0m
  • Plumbing - Water storage tanks (20% VAT)London Borough of Haringey · £1.1m
  • Water Management & Legionella Control Framework.HOME GROUP LIMITED · £333k
  • Quote for Tank Replacement - The Poplars 10 - 27London Borough of Enfield · £18k
  • 198_16 Water System Risk Assessment and Water Hygiene Monitoring ServicesEspo · —

Extracted automatically from h2onationwide.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 · 3

Credentials listed on the supplier’s website. Not yet checked against issuer registers.

◐ From supplier website
Core credentials · 2/6
Cyber EssentialsNot evidenced✓
Cyber Essentials PlusNot evidenced✓
ISO 27001 — Information securityNot evidenced✓
ISO 9001 — QualityListed on site✓
ISO 14001 — EnvironmentalListed on site✓
ISO 45001 — Health & safetyNot evidenced✓
Other credentials & memberships · 1
Legionella Control Association

Extracted automatically from h2onationwide.co.uk on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

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 · 20 live · 27 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
Provision of Water Hygiene Risk Assessments, Maintenance and Monitoring services.
WANDLE HOUSING ASSOCIATION LIMITED7170000001 Nov 2024£280k4 yrsLive
Plumbing - Water storage tanks (20% VAT)
London Borough of Haringey4500000031 Jul 2024£1.1m2 yrsLive
Appointment of Water Treatment and Monitoring Contractor (Council's housing stock)
Royal Borough of Kingston Upon Thames7160000001 Oct 2024£615k3.5 yrsLive
Water Hygiene
Housing Solutions7180000017 Jul 2024£1.3m5 yrsLive
Alteration works to cold water storage tanks at Four Courts.
Southern Housing4526270002 Sept 2024£202k4 moClosed
Legionella & Water Hygiene Services
B3Living6513000001 Jun 2024£300k4 yrsLive
Legionella Servicing and Maintenance
Moat Homes Limited4461150001 Jul 2024£760k12 moClosed
SEC Heating and Water Hygiene Framework
South East Consortium4216000004 Dec 2023£7.0m4 yrsLive
Water Treatment / Hygiene Control
Sanctuary Housing Association7170000001 Jan 2024£300k15 moClosed
Water Hygiene Monitoring, Servicing, Risk Assessments and Remedial Works - AWARD
Babergh District Council0932000027 Nov 2023—3 yrsLive
Total live value £10.7m · mean award £768k1–10 of 47

Top buyers · 31 buyers · top 3 = 67%

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

✓ From notices
1
Optivo
1 contract
39%
since 2019
2
South East Consortium
4 contracts
20%
since 2019
3
Fusion21 Members Consortium
3 contracts
8%
since 2021
4
Housing Solutions
3 contracts
4%
since 2016
5
London Borough of Ealing
1 contract
4%
since 2017
6
Espo
3 contracts
3%
since 2016
7
London Borough of Haringey
2 contracts
3%
since 2024
8
Moat Homes Limited
2 contracts
3%
since 2021
9
WANDLE HOUSING ASSOCIATION LIMITED
2 contracts
2%
since 2019
10
EASTERN PROCUREMENT LIMITED
1 contract
2%
since 2017

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
South East14 contracts
69%
London10 contracts
12%
North West4 contracts
9%
Eastern9 contracts
5%
East Midlands4 contracts
3%
North East1 contract
1%
West Midlands2 contracts
1%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). H2O Nationwide Limited highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
SR
Suez Recycling and Recovery UK Ltd
No£360.0m2
WP
Water Plus Limited
No£7.3m4
SL
Skyguard Limited T/A PeopleSafe
No£6.8m1
JA
Just Ask Services
No£2.6m1
KW
Kenny Waste Management Ltd
Yes£2.5m1
HN
H2O Nationwide Limited
Yes——
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

No Companies House number on file — this supplier may be overseas, a sole trader or a consortium.

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
—
— · this company

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