| | Functional Assessment Service (FAS) 2024 [Modification of Only] | Sheffield | £3B |
| | Community Accommodation Services | London | £2B |
| | NHS National Branded Interim - 1 June | London | £1B |
| | Solar PV Design Supply and Installation | Castleford | £903M |
| | Expanding the Publicly Accessible Electric Vehicle Charging Infrastructure Network in Glasgow City Region | Glasgow | £785M |
| | Residual Waste | London | £647M |
| | Debt Resolution Services - Lot 1 | Liverpool | £645M |
| | Debt Resolution Services - Lot 1 Extension | Liverpool | £645M |
| | Workplace Services | Warrington | £515M |
| | Plymouth Adults' Care Home Framework | Plymouth | £500M |
| | Specialist Technical and Commercial Advisory for Rail and Other Transport Systems Framework (STARFour) | London | £350M |
| | Acute and Community Mental Health Services | Manchester | £281M |
| | Commercial Partner for Aseptic Services | Worcester | £242M |
| | HS2 Limited Green Assets Maintenance & Management Services | Birmingham | £209M |
| | Greenwich Professional Services Consultancy Dynamic Purchasing System | London | £200M |
| | Wiltshire Council Term Highway Consultancy and Management | Trowbridge | £200M |
| | DVLA Merchant Acquirer | Morriston | £170M |
| | QTS Estates Maintenance Services Framework | London | £150M |
| | Primary Phase Catering 2026 - Schools With Finishing Kitchens | Chichester | £140M |
| | Operation, Maintenance & Management CHPP & Boiler Park | Warrington | £128M |
| | Operation, Maintenance & Management of CHPP & Boiler Park, Professional Services Other, Energy/Utility Consultants | Warrington | £128M |
| | Lot 1c Further Competition -LocatED Property for the Department of Education, Total FM Services | London | £103M |
| | Integrated Healthcare Services to HMP Ford, HMP Lewes, and HMP/YOI Winchester - Market Engagement | London | £103M |
| | Temporary Staff and Permanent Recruitment for Hard to Fill Posts | Gloucester | £101M |
| | Lease Vehicles and Fleet Management Services | London | £99M |
| | GPA Brunswick Street, Darlington DL1 1SP - New Build & Fit-Out | Birmingham | £86M |
| | HENSS2 | Leeds | £82M |
| | DfE Gigabit Infrastructure Subsidy – Regional Supplier Northern Ireland | Belfast | £81M |
| | Live-in Care (All-Ages), Complex Care (All-Ages) and Trusted Assessors for Spot Therapy and Clinical Psychology Provision… | Exeter | £61M |
| | Urgent Access Primary Care Service (Out of Hours, Single Point of Access and Outbreak Management) in… | Worcester | £58M |
| | Signs & Signals RIS3 - SWARCO UK & Ireland LTD | Birmingham | £56M |
| | IT Javelin Bridging (2025 | Warrington | £46M |
| | London Red Route Enforcement Services | London | £46M |
| | Multi-Supplier for Ground Investigation Works | Glasgow | £45M |
| | Signs & Signals RIS3 Colas | Birmingham | £42M |
| | Healthcare Clinical Waste Services for Primary Care: 11 Midlands Region NHS ICBs | Wolverhampton | £37M |
| | DVSA Publishing Services With the Highway Code and the Highway Code for Northern Ireland | Bristol | £36M |
| | Home Parenteral Nutrition | Belfast | £34M |
| | Passenger Transport Dynamic Purchasing System | Exeter | £33M |
| | Anaerobic Digestion Infrastructure | Bradford | £33M |
| | WSCC - Integrated Sexual Health Service (Intention to Award Notice) | Chichester | £32M |
| | Collection, Sale and Disposal of Military and Non-Military Platforms and Equipment and Spares | Bicester | £31M |
| | Repair of Land Rover Engines and Associated Assemblies | Telford | £31M |
| | Aseptic Isolators and Cabinets | Fulbourn | £30M |
| | Tuition Services for Children and Young People | London | £30M |
| | Integrated Recycling, Waste Collection and Street Cleansing | Clacton on Sea | £29M |
| | Signs & Signals RIS3 P Ducker Systems LTD | Birmingham | £28M |
| | Crossing the Border - Border Platforms | London | £26M |
| | BHCC RP Integrated Sexual Health & Contraception Services | Hove | £25M |
| | Westwick Row - Main Contractor Procurement | London | £25M |
| | Westwick Row - Main Contractor Procurement | London | £25M |
| | DEFRA Public Cloud Services | London | £23M |
| | Logistics Services for Accompanied Goods (Project Chaperone) | Milton Keynes | £22M |
| | IMS / CAFM Support and Cloud Migration Notice | Lichfield | £21M |
| | Void Property Works, Refurbishments and Responsive Maintenance | Fareham | £21M |
| | Greenwich Professional Services Consultancy Dynamic Purchasing System | London | £20M |
| | Highways Structures Repairs Framework | Wolverhampton | £20M |
| | Provision, Installation and Operation of Christmas Attractions in Albert Square Manchester | Manchester | £20M |
| | Cleaning and Washroom Services DPS - Notice | Prescot | £20M |
| | Cleaning & Washroom DPS Finder | Prescot | £20M |
| | Roofing Framework for Domestic Properties, 2026 | Bristol | £20M |
| | Redevelopment of Oakleigh House Into Independent Living Apartments | Ashford | £18M |
| | IT Hardware, Software & Professional Services | Redcar | £18M |
| | Warm Homes Local Grant Funding (WHLG) | Liverpool | £18M |
| | Subscription for Office Productivity Application | Swindon | £17M |
| | Palliative Care and End of Life Services | Manchester | £15M |
| | Repairs, Treatment and Maintenance of Roofs and Associated Works - Call Off Data | Stafford | £15M |
| | Translation and Interpretation Services for Spoken and Non-Spoken Languages | Sunderland | £14M |
| | Repair of Engines, Engine Groups, Powerpacks and Associated Assemblies | Telford | £14M |
| | Print & Mail Services | Belfast | £14M |
| | Housing Benefit and Pension Credit 25/28 | Blackpool | £12M |
| | Nexus Education Schools Trust - Catering and Cleaning Services | Beckenham | £11M |
| | Iraq Security and Defence Programme (ISDP) | London | £10M |
| | RFI - Early Market Engagement for Investment Management Solution and Services | Leeds | £10M |
| | TPPL Gentoo HCC Hire Lot 2 Hire of Up to 337 X Vehicles | Sunderland | £10M |
| | Interim DevOps Partner | London | £9M |
| | Dementia Support Service | Oxford | £9M |
| | Diverse Range of Services to Support Positive Mental Health and Wellbeing for Adults Across Hertfordshire | Hertford | £9M |
| | Groceries, Frozen Food and Fresh Meat Supply | Nottingham | £8M |
| | Managed Learning Services | London | £8M |
| | MHCLG Augmented Planning Decisions | London | £8M |
| | IRM24/7693 the Supply of Tyres | Telford | £8M |
| | 20 New General Needs Dwellings for Affordable Rent at 55 Mabledon Avenue | Ashford | £8M |
| | Securities & Collateral Management Settlement System Support and Maintenance | London | £8M |
| | Temporary Staff Master Vendor Loaders, Drivers & Parks Operatives | Chelmsford | £8M |
| | Bichard 7 Support and Development | London | £8M |
| | OneLSC Ultrasound Insourced Service | Blackburn | £8M |
| | Omega Centre Special Education Needs School Refurbishment - Preliminary Market Engagement | Portsmouth | £8M |
| | DFC XChange ITSM | London | £7M |
| | Multi-Crime Victim Referral and Support Service, South Yorkshire | Sheffield | £7M |
| | Ulster University Business School (UUBS) HGU Teaching Contracts in China | Coleraine | £7M |
| | FMDG Persistent Oceanographic Data Collect | Portsmouth | £7M |
| | Curriculum Recruitment | Leeds | £6M |
| | DBT Research: Evaluation Call Off | London | £6M |
| | Skip and Hook Lift Service and Hire of Skips | Belfast | £6M |
| | Cladding Remediation and Gas Supply Works at Central West | London | £6M |
| | Landscaping Works Alton Activity Centre | London | £6M |
| | Landscaping Works at Alton Activity Centre and Downshire Field, SW15 | Wandsworth | £6M |
| | Haigh Woodland Park - Bothy Cottages and Events Venue Restoration and New Build Construction | Wigan | £6M |
| | Temporary Traffic Management | Leicester | £6M |