Brief your market
Who could bid the next time O F W A T tenders for public utilities — from published contract awards, not directories. A tender that reaches more proven suppliers gets more bids; more bids is the evidence of value for money.
Ring 1
Proven with you
Suppliers already holding a published O F W A T award in this category.
- OVE ARUP & PARTNERS LIMITED4 awards · latest Nov 2022
DWMP 2022
- Jacobs U.K. Limited3 awards · latest Nov 2022
Technical Support for investigation into how companies manage their wastewater treatment works and networks
- HR WALLINGFORD LIMITED2 awards · latest Jul 2024
Technical Advice on the development and delivery of reservoir projects under the licensed infrastructure provider model (SIPR)
- Optimal Organisational Outcomes LLP2 awards · latest Aug 2023
Executive PRP assessment 2023 and framework development
- PricewaterhouseCooopers LLP2 awards · latest Apr 2023
Financial Advice for Cwm Taf DPC
- EUROPEAN ECONOMIC RESEARCH LIMITED2 awards · latest May 2022
Price Review Expertise
- Turner & Townsend Project Management Limited2 awards · latest Feb 2022
Improving leakage data reporting
- KONOMI LIMITED1 award · latest Aug 2024
Advice - Finance System development
- DBAAS Ltd1 award · latest Jun 2024
Maria DB and Elasticsearch Data Migration Project
- Midnight Consulting Limited1 award · latest Jun 2024
Business Retail Market Advice
Showing 10 of 29.
Ring 2
Proven with buyers like you
Suppliers who have won this category with other Other buyers — ranked by how many different buyers they've won with. This is the shortlist that widens your field.
- Anglian Water Business (National) Limited9 awards · 8 buyers · latest Aug 2025
Commercial Water Contract
- Castle Water Limited6 awards · 6 buyers · latest Aug 2020
P and FM - Water Aggregation RM3790 (Lot 1)
- Wave Utilities5 awards · 4 buyers · latest Oct 2025
CA16622 - Prospere Learning Trust - Supply of Water Services
- Advanced Demand Side Management Limited4 awards · 4 buyers · latest Jul 2024
Provision of Water to RFL
- Water Plus Limited4 awards · 4 buyers · latest Jun 2026
Call off from GCA (former CCS) framework RM6306 Water, Wastewater and Ancillary Services 3 / Lot 3
- Water Plus Ltd4 awards · 3 buyers · latest Jan 2025
CA15223 - Water Supply
- Business Stream5 awards · 2 buyers · latest Oct 2025
Water & Waste Water
- TOTALENERGIES GAS & POWER LIMITED3 awards · 2 buyers · latest May 2023
The Supply of Electricity
- NORTHUMBRIAN WATER LIMITED2 awards · 2 buyers · latest Oct 2023
Provision of Core Cities & National Surveillance Wastewater Sampling Support
- Anglian Water Business (National) Limited Trading as Wave2 awards · 2 buyers · latest May 2022
Cambridgeshire County Council Award of Water and Wastewater Services Procurement
Showing 10 of 188.
Ring 3
Proven in the field
Suppliers winning this category anywhere in UK public procurement (excluding those already listed above).
- Business Stream Ltd10 awards · 10 buyers · latest Oct 2025
Energy Utilities Water Aggregation Contract
- Scottish Water Business Stream10 awards · 10 buyers · latest Oct 2025
Supply of Water and Drainage
- Wave Ltd10 awards · 8 buyers · latest Jun 2025
Water and wastewater services
- EDF Energy9 awards · 6 buyers · latest Apr 2025
UKETS Allowances Purchase 2024
- Corona Energy6 awards · 6 buyers · latest Dec 2020
Gas Supply Agreement 2021
- Scottish Water Business Stream Limited5 awards · 5 buyers · latest May 2026
Water and Wastewater supply
- EDF Energy Customers Limited5 awards · 5 buyers · latest Mar 2026
Supply of Electricity
- Anglian Water Business (National)5 awards · 4 buyers · latest Jul 2026
V4SDDC054 Water
- Smarta Water Limited4 awards · 4 buyers · latest Mar 2024
Supply of Water and Drainage
- Sycous Limited4 awards · 4 buyers · latest Apr 2026
Further Competition via YPO DPS - 1056 District Heat Network Meters and Metering & Billing Services
Showing 10 of 425.
The full list — for members
All 188 Other suppliers in ring 2 (capped at 400, widest-proven first), copyable as a spreadsheet — so every proven supplier can hear about your next tender, not just the usual three.
Sources: published UK contract award notices in the rfp.quest corpus. “Proven” means a citable award — nothing here is inferred or scraped from directories. Award values are not summed because framework ceilings would inflate them.