RFP QuestBeta

Brief your market

Who could bid the next time O F W A T tenders for engineering & architecture — 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.

Business Services (80)Public Utilities (39)IT Services (23)Engineering & Architecture (20)Research & Development (11)Software & IT Systems (6)Radio, TV & Communications Equipment (5)Financial & Insurance Services (5)

Ring 1

Proven with you

Suppliers already holding a published O F W A T award in this category.

Showing 10 of 17.

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.

  • WSP Uk Limited118 awards · 40 buyers · latest May 2026

    SE - CCS CPS1 - Lot 1 - Principal Designer - WSP - CPS1-47625-2026

  • ridge and partners llp74 awards · 35 buyers · latest Jun 2026

    FCDO Port Louis New HC Residence Project Stage 4 Design Peer Review Services

  • Aecom Limited67 awards · 33 buyers · latest Jun 2026

    FCDO Pretoria BHC Design Peer Review Support

  • Atkins Limited70 awards · 30 buyers · latest Jun 2025

    P2 - Provision of technical author support

  • Aecom Ltd105 awards · 29 buyers · latest Apr 2026

    SW - DCiS & WSX Critical Core Services Packages - Direct Award - RM6165 Lot 1

  • WSP UK Ltd 120 awards · 25 buyers · latest Jul 2026

    HPA - Update of Qualitative Risk Assessment, Land Quality Register & Map and APC

  • Aecom205 awards · 24 buyers · latest Jan 2025

    Programme Project Controls Team

  • Arcadis Consulting (UK) Limited39 awards · 22 buyers · latest Jul 2026

    CHX Update Qualitative Risk Assessment, Land Quality Register & Map and APC

  • Pick Everard53 awards · 20 buyers · latest Jun 2026

    Members' Tea Room Refurbishment Project - MDS4001

  • Mott Macdonald Limited42 awards · 20 buyers · latest Dec 2025

    Technical Advisor to the DESNZ Sizewell C team

Showing 10 of 6,440.

Ring 3

Proven in the field

Suppliers winning this category anywhere in UK public procurement (excluding those already listed above).

  • Mott Macdonald160 awards · 54 buyers · latest Mar 2026

    Contract for Allington Sluice Drive System Replacement ECC Supervisor & ECoW Design Support

  • Baily Garner LLP 98 awards · 51 buyers · latest Jul 2026

    Milton Keynes City Council - Project Manager and Quantity Surveyor Services

  • perfect circle JV Ltd111 awards · 50 buyers · latest Jul 2026

    Professional Technical Services for Museum Collection Centre

  • Jacobs Uk Ltd227 awards · 48 buyers · latest Jul 2026

    Contract Award Notice -Days Weir Refurbishment - OBC-FBC Design

  • Mott Macdonald Ltd149 awards · 48 buyers · latest Jul 2026

    TCR Greatie Market - Concept and Preliminary Design

  • Ove Arup & Partners Ltd126 awards · 46 buyers · latest Jul 2026

    RBC Undertake a Landscape Sensitivity Assessment - ESPO 664/25 Lot 08g - Regeneration and Regional Development

  • Arcadis LLp128 awards · 44 buyers · latest Jul 2026

    P0865 - Druid's Heath Estate Regeneration Scheme - Contract Uplifts

  • Jacobs U.K. Limited99 awards · 39 buyers · latest Jun 2026

    Metro - Technical Approval Authority

  • Mace Limited69 awards · 39 buyers · latest Jul 2026

    M0137 NEC PM WAVE 3 Enhancements Stage 7 NEC PM Services (Midlands)

  • Atkins Ltd109 awards · 38 buyers · latest Mar 2024

    Quality Express Bus Viability Study

Showing 10 of 13,739.

The full list — for members

All 6,440 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.