Mains

Find mains opportunities in seconds below. Search through thousands of mains pre-tenders and upcoming contracts. Bookmark the tender and start your bid/no-bid decision.

3,843 Mains pre-tenders found

Stale Pre-tenderPublished 22 May 2026
Belfast Stories – Operational assurance review
Belfast City CouncilGBP 50,000Closing 12 June 2026Business analysis consultancy services
Stale Pre-tenderPublished 1 June 2026
Preliminary Market Engagement (PME) Notice for the provision of Mixed Economy services (Repairs & Patching)
Shropshire CouncilGBP 120,000,000Closing 12 June 2026Construction, foundation and surface works for highways, roads
Stale Pre-tenderPublished 22 May 2026
BHR/Transformation of Pathology Services
Barking, Havering and Redbridge University Hospitals NHS TrustClosing 12 June 2026Pathology services
Stale Pre-tenderPublished 26 May 2026
Plant Materials
High Speed Two (HS2) LtdGBP 19,000,000Closing 12 June 2026Tree-nursery products
Stale Pre-tenderPublished 26 May 2026
Integration Technical Operations Assurance & Environmental Partner
East West Railway Company LtdGBP 300,000,000Closing 12 June 2026Project management consultancy services
Stale Pre-tenderPublished 11 June 2026
Advocacy and Independent Visitor Service for Children
London Borough of BrentGBP 410,355Closing 14 June 2026Health and social work services
Stale Pre-tenderPublished 2 June 2026
Preliminary Market Engagement - Supply & Support for Network Infrastructure
West Yorkshire Combined AuthorityGBP 1,000,000Closing 15 June 2026Computer network services
Stale Pre-tenderPublished 8 June 2026
Supply, Delivery, Installation & On-Site Maintenance of Digitisation Scanning Equipment
UK Hydrographic OfficeGBP 80,000Closing 15 June 2026Scanners
Stale Pre-tenderPublished 9 June 2026
Major Projects Partnership - Preliminary Market Engagement
National Grid UK LtdClosing 18 June 2026Installation of cable infrastructure
Stale Pre-tenderPublished 20 May 2026
CO6214 King Edward Memorial Park Sports Facilities Development
NHS Tower Hamlets Clinical Commissioning GroupGBP 950,000Closing 19 June 2026Recreational, cultural and sporting services
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Stale Pre-tenderPublished 8 June 2026
Provision of all classes of general insurance (Non-Life) Cover
Together Housing Association LimitedClosing 22 June 2026Insurance services
Stale Pre-tenderPublished 9 June 2026
The Design and installation of a low carbon heating system
Cotswold District CouncilGBP 500,000Closing 23 June 2026Heating-system design services
Stale Pre-tenderPublished 4 June 2026
BWC Genomics Interoperability and Data Sharing - Market Engagement
Birmingham Women's and Children's NHS Foundation TrustGBP 1,500,000Closing 25 June 2026Software package and information systems
Stale Pre-tenderPublished 19 June 2026
Invitation to Tender for the Cleaning Services Contract at The Bemrose School
The Bemrose SchoolGBP 1,300,000Closing 26 June 2026School cleaning services
Stale Pre-tenderPublished 29 May 2026
UAA Small Tank
NPL Management LtdGBP 245,000Closing 26 June 2026Water filtration apparatus
Stale Pre-tenderPublished 23 June 2026
Haemodialysis Managed Service
Hull University Teaching Hospitals NHS TrustGBP 85,000,000Closing 29 June 2026Hospital dialysis services
Stale Pre-tenderPublished 4 June 2026
Preliminary Market Engagement for a Proposed Procurement of Utilities for Education Buying Group Ltd
Education Buying Group LtdGBP 80,000,000Closing 29 June 2026Natural gas
Stale Pre-tenderPublished 20 May 2025
Network & Telecommunications Procurement Project (NTPP)
Transport for LondonGBP 1,250,000,000Closing 30 June 2026IT services: consulting, software development, Internet and support
Stale Pre-tenderPublished 21 May 2026
PA23 UK2 - Preliminary market engagement notice - Compound Refurbishment Works for the British Embassy, Tokyo - Phase 2
Foreign, Commonwealth and Development OfficeGBP 20,000,000Closing 1 July 2026Building construction work
Stale Pre-tenderPublished 4 June 2026
UHB Umbrella Sexual Health EPR - Market Engagement
University Hospitals Birmingham NHS Foundation TrustGBP 1,300,000Closing 3 July 2026Software package and information systems

Top buyers

Buyers ranked by total contract award volume for mains.

View all buyers

BuyersCountValue

Ministry of Defence
248
£3.8bn
Transport for London
83
£2.5bn
Foreign, Commonwealth and Development Office
59
£4.5bn
Department for International Development
58
£1.3bn
Department for Education
58
£258.1m
NHS Arden and Greater East Midlands Commissioning Support Unit
49
£24.0bn
NHS England
48
£24.2bn
Network Rail
40
£21.7bn
Department for Environment, Food & Rural Affairs (DEFRA)
37
£481.7m
NHS Shared Business Services
37
£4.8bn

Trend over time

Notice volume for mains published over time.

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