Brief your market

Who could bid the next time DEFRA 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 (231)Construction (153)IT Services (107)Research & Development (107)Engineering & Architecture (98)Environment & Waste (25)Education & Training (18)Software & IT Systems (15)

Ring 1

Proven with you

Suppliers already holding a published DEFRA award in this category.

WSP UK Limited23 awards · latest May 2026
DgP Estate Digitilisation - Minerva
Jeremy Benn Associates Limited (t/a JBA Consulting)10 awards · latest May 2026
Contract for MEAS Round Fields Managed Realignment Detailed Design - OBC-FBC
Jacobs UK Ltd6 awards · latest Apr 2026
Award of contract for Thames Capital Reconditioning Civils Package 2025/26 - Detailed Design
Mott MadDonald5 awards · latest Oct 2025
EAN - CCS Lot 1 - Motts ECoW and Site Supervisor
AECOM Ltd3 awards · latest May 2026
Carbon data & tools (ERIC)
BAM Nuttall Ltd3 awards · latest Apr 2026
EAN - CDF - Brownshill Staunch Sluice
Arcadis Consulting (UK) Ltd3 awards · latest Apr 2026
Allington Sluice Drive System Replacement - ECC Project Manager and Cost Manager
MERRICK AND COMPANY2 awards · latest Jun 2026
NBC Technical Quality Assurance Partner
WSP UK Ltd2 awards · latest Mar 2026
LEEDS ACCOMMODATION CRPS
Turner & Townsend Project Management Limited2 awards · latest Dec 2025
NBC Cost Management and Assurance Services

Showing 10 of 45.

Ring 2

Proven with buyers like you

Suppliers who have won this category with other Central Gov buyers — ranked by how many different buyers they've won with. This is the shortlist that widens your field.

Jacobs Uk Ltd73 awards · 10 buyers · latest Jul 2026
Contract Award Notice -Days Weir Refurbishment - OBC-FBC Design
Deloitte LLP25 awards · 10 buyers · latest May 2023
Surge Energy Efficiency Consultancy Support
Ove Arup & Partners Limited18 awards · 10 buyers · latest Nov 2025
LNA & EMD Bridge Inspections 25/26 - CDF - Lot 1
WSP UK Limited16 awards · 10 buyers · latest Mar 2026
National - Aurora Transformation Programme - Professional Support
Aecom Limited15 awards · 8 buyers · latest Apr 2026
Construction Professional Services Delivery-Multi Disciplinary Team-Awarded Contract-Main Contractor
Mott Macdonald59 awards · 7 buyers · latest Aug 2024
THRE0039 - Major Rail Project Analysis (MRPA) Modelling and appraisal call-off contract
Mott Macdonald Limited39 awards · 7 buyers · latest Mar 2026
THRE02-D03 - Provision of Technical Advisors to Support Rail Operating Contract Projects
jacobs21 awards · 7 buyers · latest Aug 2024
Principal Designer Services in North East and Eastern Regions
KPMG Llp13 awards · 7 buyers · latest Aug 2023
Consultancy Support for One HMPPS programme
PricewaterhouseCoopers LLP9 awards · 7 buyers · latest Sept 2025
The Judicial Pension Scheme (JPS) Transition Project

Showing 10 of 1,181.

Ring 3

Proven in the field

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

ridge and partners llp213 awards · 109 buyers · latest Jul 2026
EA & QS service for Cirencester renew project for RIBA Stages 1-7
Aecom381 awards · 88 buyers · latest Oct 2025
93408 Leeds Bus Station Roof - Client Agent
Atkins Limited149 awards · 73 buyers · latest Jun 2025
P2 - Provision of technical author support
Pick Everard138 awards · 72 buyers · latest Jul 2026
Sumner Buildings MEP Engineer
Arcadis Consulting (UK) Limited 141 awards · 61 buyers · latest Jul 2026
CHX Update Qualitative Risk Assessment, Land Quality Register & Map and APC
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
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

Showing 10 of 13,743.

The full list — for members

All 1,181 Central Gov 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.