Brief your market

Who could bid the next time Defra Network eTendering Portal 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.

Research & Development (758)Engineering & Architecture (603)IT Services (435)Environment & Waste (417)Business Services (383)Construction (341)Laboratory & Precision Equipment (166)Agriculture & Farming Products (117)

Ring 1

Proven with you

Suppliers already holding a published Defra Network eTendering Portal award in this category.

Jacobs UK Ltd51 awards · latest Jan 2023
CDF Lot 1 - Hub B - Whalley and Billington Phased Viability Review
JBA Consulting34 awards · latest Jan 2023
NEA - EcoSF3 - Lot 4 - Greatham Marsh (OBC_FBC)
Volkerstevin Ltd20 awards · latest Jan 2023
Rye Harbour Eastern Revetment Sloping Wall - Early Supplier Engagement Services
Ove Arup and Partners Ltd19 awards · latest Jan 2023
Mids - CDF Lot 1 - ALN Waterways 2021 - 22
Mott Macdonald Limited19 awards · latest Jan 2023
Mids - Fowlea Brook - CSF - Lot 1
Binnies UK Limited17 awards · latest Nov 2022
Mids - LNA non recovery works 22-23 - CSF Lot 2 Project Developement Consultant
Jeremy Benn Associates Ltd14 awards · latest Jan 2023
CLA Recovery and Recon Scoping and Outline Design Package 21 - 22
BAM Nuttall Ltd13 awards · latest Mar 2023
BTB Project Cost & Carbon Manager & NEC ECC Project Manager
Arcadis Consulting (UK) Limited12 awards · latest Jan 2023
Isle of Wight ECC PM
Turner & Townsend12 awards · latest Dec 2022
DRC Asset Evaluation - Phase 2

Showing 10 of 255.

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.

WSP UK Limited38 awards · 10 buyers · latest May 2026
DgP Estate Digitilisation - Minerva
Jacobs Uk Ltd28 awards · 10 buyers · latest Jul 2026
Contract Award Notice -Days Weir Refurbishment - OBC-FBC Design
Deloitte LLP23 awards · 9 buyers · latest May 2023
Surge Energy Efficiency Consultancy Support
Ove Arup & Partners Limited12 awards · 9 buyers · latest Nov 2025
LNA & EMD Bridge Inspections 25/26 - CDF - Lot 1
Mott Macdonald55 awards · 7 buyers · latest Mar 2026
Contract for Allington Sluice Drive System Replacement ECC Supervisor & ECoW Design Support
Aecom Ltd39 awards · 7 buyers · latest May 2026
Carbon data & tools (ERIC)
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
Aecom Limited8 awards · 7 buyers · latest Apr 2026
Construction Professional Services Delivery-Multi Disciplinary Team-Awarded Contract-Main Contractor
Mott Macdonald Limited20 awards · 6 buyers · latest Mar 2026
THRE02-D03 - Provision of Technical Advisors to Support Rail Operating Contract Projects

Showing 10 of 998.

Ring 3

Proven in the field

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

ridge and partners llp212 awards · 108 buyers · latest Jul 2026
EA & QS service for Cirencester renew project for RIBA Stages 1-7
Aecom371 awards · 87 buyers · latest Oct 2025
PLACE975ET Green Light Fund Journey Time Module - call-off from ESPO 664_21 Lot 5
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
WSP Uk Ltd216 awards · 68 buyers · latest Jul 2026
Wallingford Strategic Property Review
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 Ltd143 awards · 47 buyers · latest Jul 2026
TCR Greatie Market - Concept and Preliminary Design
Ove Arup & Partners Ltd115 awards · 45 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 13,616.

The full list — for members

All 998 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.