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 2 April 2024
Drainage Maintenance (Rail) for TfL
Transport for LondonServices related to water pollution
Stale Pre-tenderPublished 22 October 2024
Hard Facilities Management 3 (SBS10524)
NHS Shared Business ServicesBuilding and facilities management services
Stale Pre-tenderPublished 8 July 2016
Foreign economic-aid-related services
Department for International DevelopmentForeign economic-aid-related services
Stale Pre-tenderPublished 28 May 2025
Hazlehead Energy Centre & Heat Network - M&E Contractor
Aberdeen Heat & Power LtdGBP 1,900,000Mechanical and electrical engineering services
Stale Pre-tenderPublished 25 August 2020
Agricultural, forestry, horticultural, aquacultural and apicultural services
Devon County CouncilGBP 10,000,000Agricultural, forestry, horticultural, aquacultural and apicultural services
Stale Pre-tenderPublished 22 August 2017
Engineering design services for the construction of civil engineering works
Defence Infrastructure OrganisationSurface-to-air missiles
Stale Pre-tenderPublished 1 July 2022
Replacement Kitchen Gate and Vehicle Gate Control Panels at HMP Glenochil
Scottish Prison ServiceLocks, keys and hinges
Stale Pre-tenderPublished 17 June 2022
Additive Manufacturing Technology Demonstration In Tungsten Mock-Up Development
UK Atomic Energy AuthorityTungsten
Stale Pre-tenderPublished 18 October 2024
Lewisham Library Refurbishment - PIN
London Borough of LewishamBuilding completion work
Stale Pre-tenderPublished 26 May 2026
One Salisbury Square - Cat A Fitout Main Contractor
City of London CorporationGBP 15,000,000Refurbishment work
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Stale Pre-tenderPublished 17 August 2022
Window Cleaning Services for Chesterfield Royal Hospital
Derbyshire Support and Facilities Services LtdGBP 180,000Window-cleaning services
Stale Pre-tenderPublished 13 August 2024
UHB Wheels Application - Pre-market Engagement
University Hospitals Birmingham NHS Foundation TrustIT services: consulting, software development, Internet and support
Stale Pre-tenderPublished 23 June 2022
Services-Framework-Gearbox Repair Services
United Utilities Water LtdMechanical and electrical engineering services
Stale Pre-tenderPublished 10 August 2021
Un-Regulated Accommodation and Support Pathway Alignment
Kent County CouncilSocial work services with accommodation
Stale Pre-tenderPublished 16 October 2025
25/055 - Provision of Survey and Design, Installation and Maintenance and Remote Monitoring of Security Systems
Gas Networks IrelandSecurity equipment
Stale Pre-tenderPublished 9 August 2021
F14796 Home Visiting Support Service
NHS Hampshire, Southampton and Isle of Wight CCGGBP 4,860,000Miscellaneous health services
Pre-tenderPublished 11 June 2026
P23 - Delivery of Trust Capital Programme 2027 - 2030
The Newcastle upon Tyne Hospitals NHS Foundation TrustGBP 120,000,000Construction work
Stale Pre-tenderPublished 31 May 2018
Water meters
South East Water LtdData-communications equipment
Stale Pre-tenderPublished 4 July 2022
Market Engagement Exercise - Disposal / Recycling of Water Treatment Works Residuals
NI WaterSludge treatment services
Stale Pre-tenderPublished 4 February 2021
Replacement Boilers, tanks, pipework and mains conversion at Broadlea Primary School, Isle of Wight
Isle of Wight CouncilGBP 155,000Construction structures and materials; auxiliary products to construction (except electric apparatus)

Top buyers

Buyers ranked by total contract award volume for mains.

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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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