Brief your market

Who could bid the next time QUADRANT CONSTRUCTION SERVICES LIMITED 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.

Engineering & Architecture (492)Construction (62)Construction Materials & Structures (25)Business Services (8)Furniture & Furnishings (7)Environment & Waste (3)Printed Matter & Publishing (3)Industrial Machinery (3)

Ring 1

Proven with you

Suppliers already holding a published QUADRANT CONSTRUCTION SERVICES LIMITED award in this category.

JLL9 awards · latest Aug 2019
Lyle Park West
Faithorn Farrell Timms7 awards · latest Mar 2020
Wixams Village - Employer's Agent at Wixams Village 4.5
Madlins LLP6 awards · latest Sept 2021
Millbrook Park
Prp Architects Llp5 awards · latest Apr 2020
Multiply Sites - Inflight Developments - PRP Inflight Surveys
HTA Design LLP4 awards · latest Mar 2020
Barking Riverside Plot 208a (incl.206AW) - Architect (including Principal Designer)
Quod4 awards · latest Mar 2020
Barking Riverside Plot 209B - Planning Consultant
Peter Brett Associates4 awards · latest Mar 2020
Plumstead College - Providing M&E advice
E H Smith4 awards · latest Apr 2019
The Hyde
Curtins4 awards · latest Feb 2019
Gallows Hill, Leamington Spa
Roy Geddes Bricks Limited4 awards · latest Jan 2019
Bream Street

Showing 10 of 370.

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 llp76 awards · 36 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
Arcadis Consulting (UK) Limited43 awards · 26 buyers · latest Jul 2026
CHX Update Qualitative Risk Assessment, Land Quality Register & Map and APC
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
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 6,700.

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 Llp107 awards · 56 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 88 awards · 41 buyers · latest Jun 2026
Lift Feasibility Studies
Tetra Tech Limited 191 awards · 40 buyers · latest Jul 2026
Hanwood Park, Phase 2

Showing 10 of 14,880.

The full list — for members

All 6,700 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.