Brief your market

Who could bid the next time Cefas 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.

IT Services (66)Engineering & Architecture (59)Business Services (43)Laboratory & Precision Equipment (35)Research & Development (30)Software & IT Systems (29)Radio, TV & Communications Equipment (25)Environment & Waste (21)

Ring 1

Proven with you

Suppliers already holding a published Cefas award in this category.

APEM Ltd4 awards · latest Mar 2025
CEFAS25-10 Contract for services to conduct phytoplankton sample analysis
UKRI as represented by British Geological Survey2 awards · latest Mar 2025
CEFAS25-31 Contract for Analysis of Sediment Samples for mNCEA
PGI - Protection Group International Ltd2 awards · latest Sept 2024
CEFAS24-107 Contract for exercises to test Business Continuity & Disaster Recovery
University of Hull2 awards · latest Apr 2024
CEFAS24-40 Contract for Marine benthic macroinvertebrate sample analysis
Ocean Ecology Limited2 awards · latest Jun 2023
CEFAS22-150 OWEC POSEIDON - LOT 3 (Celtic Sea)
Bangor University2 awards · latest May 2023
CEFAS23-81 Contract for whelk sample processing services
Marine Science Support Ltd2 awards · latest Mar 2023
CEFAS22-140 BEEMS RPA Surveys
Triox Environmental Emergencies1 award · latest Jan 2025
CEFAS24-159 Contract for the provision of technical advisory services on risk assessment in Senegal under the Ocean Country Partnership Programme
Marine and Risk Consultants Ltd1 award · latest Nov 2024
CEFAS24-133 Contract for technical advisory services on risk assessment
Fera Science Ltd1 award · latest Nov 2024
CEFAS24-157 Contract for services to process sargassum sample to test for organics and inorganics

Showing 10 of 50.

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 Limited126 awards · 45 buyers · latest Jun 2026
CM3842 Technical Services and Assurance Framework
ridge and partners llp77 awards · 37 buyers · latest Jun 2026
FCDO Port Louis New HC Residence Project Stage 4 Design Peer Review Services
Aecom Limited73 awards · 35 buyers · latest Jun 2026
Asset Health Metrics Pilot
Aecom Ltd106 awards · 30 buyers · latest Apr 2026
Traffic Signal Bus Priority 2025/26 Batch 2
Atkins Limited70 awards · 30 buyers · latest Jun 2025
P2 - Provision of technical author support
WSP UK Ltd 121 awards · 26 buyers · latest Jul 2026
HPA - Update of Qualitative Risk Assessment, Land Quality Register & Map and APC
Arcadis Consulting (UK) Limited43 awards · 26 buyers · latest Jul 2026
CHX Update Qualitative Risk Assessment, Land Quality Register & Map and APC
Aecom205 awards · 24 buyers · latest Jan 2025
Programme Project Controls Team
Mott Macdonald Limited46 awards · 23 buyers · latest Jun 2026
CM3842 Technical Services and Assurance Framework
Pick Everard55 awards · 22 buyers · latest Jun 2026
Members' Tea Room Refurbishment Project - MDS4001

Showing 10 of 6,982.

Ring 3

Proven in the field

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

Ove Arup & Partners Limited123 awards · 64 buyers · latest Jul 2026
Barrow Multi-Modal Transport Study
Baily Garner Llp108 awards · 57 buyers · latest Jul 2026
Milton Keynes City Council - Project Manager and Quantity Surveyor Services
Mott Macdonald162 awards · 55 buyers · latest Mar 2026
Contract for Allington Sluice Drive System Replacement ECC Supervisor & ECoW Design Support
perfect circle JV Ltd112 awards · 51 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
calfordseaden LLP 89 awards · 42 buyers · latest Jun 2026
Lift Feasibility Studies
Tetra Tech Limited 191 awards · 40 buyers · latest Jul 2026
Hanwood Park, Phase 2

Showing 10 of 15,141.

The full list — for members

All 6,982 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.