Brief your market
Who could bid the next time Llywodraeth Cymru / Welsh Government 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.
Ring 1
Proven with you
Suppliers already holding a published Llywodraeth Cymru / Welsh Government award in this category.
- CARBON TRUST ADVISORY LIMITED3 awards
Public Sector Decarbonisation Grant Administration 25/26
- Down to Earth Project1 award · latest Mar 2026
Sustainable Schools Challenge: Critical Friend and Sustainability Advisor - C194/2024/2025
- Archaeology Wales Ltd1 award
Post Excavation Reporting at Harlech Castle
Bro Tathan Power Support
- CARDIFF MET COMPANY LTD1 award
Handbook on Empty Homes in Wales
- CAST Consult1 award
Review of Acceptable Cost Guidance (ACG)
Provision of specialist construction advice to Welsh Ministers
- DTA Ecology Ltd1 award
HRA Nitrates Guidance for Marine SACs
Sustainable Communities for Learning - Expert Technical Advice
- Litchfields1 award
The Provision of Masterplan, Design Code and Planning Permission for Land Adjoining Slade Lane, Haverfordwest
Showing 10 of 17.
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 Ltd79 awards · 11 buyers · latest Jul 2026
Contract Award Notice -Days Weir Refurbishment - OBC-FBC Design
- WSP UK Limited39 awards · 11 buyers · latest May 2026
DgP Estate Digitilisation - Minerva
- 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
- Mott Macdonald60 awards · 8 buyers · latest Mar 2026
Contract for Allington Sluice Drive System Replacement ECC Supervisor & ECoW Design Support
- jacobs22 awards · 8 buyers · latest Aug 2024
Principal Designer Services in North East and Eastern Regions
- Aecom Limited15 awards · 8 buyers · latest Apr 2026
Construction Professional Services Delivery-Multi Disciplinary Team-Awarded Contract-Main Contractor
- KPMG Llp14 awards · 8 buyers · latest Aug 2023
Consultancy Support for One HMPPS programme
- Aecom Ltd40 awards · 7 buyers · latest May 2026
Carbon data & tools (ERIC)
- Mott Macdonald Limited39 awards · 7 buyers · latest Mar 2026
THRE02-D03 - Provision of Technical Advisors to Support Rail Operating Contract Projects
Showing 10 of 1,263.
Ring 3
Proven in the field
Suppliers winning this category anywhere in UK public procurement (excluding those already listed above).
- ridge and partners llp230 awards · 119 buyers · latest Jul 2026
EA & QS service for Cirencester renew project for RIBA Stages 1-7
- Aecom383 awards · 88 buyers · latest Oct 2025
93408 Leeds Bus Station Roof - Client Agent
- Pick Everard145 awards · 75 buyers · latest Jul 2026
Sumner Buildings MEP Engineer
- Atkins Limited149 awards · 73 buyers · latest Jun 2025
P2 - Provision of technical author support
- WSP Uk Ltd221 awards · 69 buyers · latest Jul 2026
Wallingford Strategic Property Review
- Arcadis Consulting (UK) Limited 148 awards · 68 buyers · latest Jul 2026
CHX Update Qualitative Risk Assessment, Land Quality Register & Map and APC
- Baily Garner Llp108 awards · 57 buyers · latest Jul 2026
Milton Keynes City Council - Project Manager and Quantity Surveyor Services
- perfect circle JV Ltd112 awards · 51 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
Showing 10 of 15,165.
The full list — for members
All 1,263 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.