| | Natural Gas and Associated Services | Wakefield | £2B |
| | Innovative Platform for Home Based Services | Southampton | £946M |
| | National Professional Services Framework | Liverpool | £800M |
| | FW Services - Management Consultancy Services - Multi Site | Perth | £500M |
| | NHS SBS Decarbonisation of Estates Framework | Hertfordshire | £500M |
| | Workforce Technology Systems | London | £500M |
| | Beach Management Framework | London | £350M |
| | Hard and Soft Facilities Management Services for National Records of Scotland | Edinburgh | £330M |
| | Care and Support at Home Services | Chichester | £305M |
| | Alternative Metering Services | Worthing | £300M |
| | Acute Secondary Care Services | Warrington | £290M |
| | Strategic Delivery Partner for Main Contractor and Facilities Management | London | £284M |
| | Residential and Nursing Care Home Services | Stafford | £275M |
| | Materials Supply and Associated Services Framework | Prescot | £250M |
| | Engine Future Support | Yeovil | £241M |
| | Management of Leisure Centres and Sport and Leisure Services | Wandsworth | £240M |
| | National Framework for Total Facilities Management | Harrogate | £178M |
| | TV Licensing Postal Services | London | £169M |
| | Materials Supply and Managed Services Framework | Norfolk | £162M |
| | Digital Platforms New Build 4 | London | £151M |
| | Central Winchester Regeneration – Development Partner Procurement | Winchester | £150M |
| | Development Partner for Central Winchester Regeneration | Winchester | £150M |
| | Newlon Housing Trust - Repairs and Voids | London | £150M |
| | Electricity Including Brokerage Services | Leeds | £130M |
| | Test Operations Service 2025 | Coventry | £128M |
| | Test Operations Services 2025 | London | £128M |
| | Derbyshire Framework for Specialist Residential Care and Nursing Homes (Under 65 Years) | Matlock | £128M |
| | Advertising Solutions | Leicester | £100M |
| | Joint Operational Fuel System - Support Extension (JOFS2-SE) | Bristol | £100M |
| | Joint Operational Fuel System - Support Extension (JOFS2-SE) PIN | Bristol | £100M |
| | Victoria Tower Fabric Safety - Main Works - Pre | London | £95M |
| | Support and Advice Services for Multiple Disadvantaged Vulnerable Adults | Birmingham | £94M |
| | Chic Kitchens and Bathrooms Framework 2024-28 | Birmingham | £90M |
| | Demolition Services & Site Enabling Works Framework | London | £90M |
| | Domestic Furniture and Furnishings | Paisley | £80M |
| | Non Emergency Patient Transport Service - NHS Norfolk and Waveney Integrated Care Board | Norwich | £79M |
| | Digital Platforms New Build 2 | London | £75M |
| | Digital Platforms New Build 3 | London | £75M |
| | National Driver Offender Retraining Scheme | Exeter | £66M |
| | Access & Insulation Services 2024 | Warrington | £65M |
| | Audiovisual Equipment & Installation Services | Salford | £65M |
| | Audio Visual Equipment & Installation Services | Salford | £65M |
| | Sexual Health & Reproductive Health Service | Exeter | £63M |
| | Digital Partner | Milton Keynes | £60M |
| | Highways Services | Southampton | £60M |
| | Media Planning, Buying and Associated Services | Edinburgh | £60M |
| | Solicitors Services Framework | Cardiff | £60M |
| | Street Lighting Materials | Paisley | £60M |
| | Central Digital Architecture & Associated Services | London | £57M |
| | Cambridge City Council - External Planned Maintenance Works 2025 | Cambridge | £56M |
| | Adult Drug and Alcohol Recovery and Treatment Service | Coventry | £55M |
| | Materials Supply and Managed Services Framework | Ashwellthorpe | £55M |
| | Planned and Reactive Maintenance and Minor Works | Stafford | £55M |
| | Chelsea Hospital Ambulatory Diagnostic Centre | London | £52M |
| | Gigabit Infrastructure Subsidy Programme - Regional Supplier Beds | London | £51M |
| | Fleet Helicopter Support Unit (FHSU) - Contracts Finder Opportunity Notice | Bristol | £50M |
| | Meters, Billing, District Heating Framework | London | £50M |
| | Redevelopment/Repurposing and Leasing of a Site in George Street, Oxford | Oxford | £50M |
| | Sludge Management Services | Belfast | £50M |
| | Great Yarmouth Winter Gardens Operator Procurement Update | Great Yarmouth | £45M |
| | MRO Tools and Consumables | Oldbury | £43M |
| | Civil Parking and Traffic Enforcement and Associated Services | London | £42M |
| | Simple Payment Plan | London | £42M |
| | Spindles Phase 2 - Redevelopment and Repurposing of the Spindles Shopping Centre | Oldham | £42M |
| | Housing Related Support and Accommodation for 16-25 Year Olds | Taunton | £41M |
| | Contractor Services | London | £40M |
| | Recyclates and General Waste Management | Edinburgh | £38M |
| | PPE, Clothing, Uniforms and First Aid Supplies | Salford | £36M |
| | Hard and Soft Facilities Management Services for National Records of Scotland | Edinburgh | £35M |
| | Practice Level Support | Leeds | £33M |
| | Cheshire East Borough Council Household Waste Recycling Centre Services | Sandbach | £32M |
| | ESN Handheld (Dual Mode) | London | £32M |
| | Vessel Enabling Works - Islay Routes | Port Glasgow | £31M |
| | Refit | London | £30M |
| | Children's Residential Care Home Service | Enfield | £28M |
| | National Framework for Professional Services in Construction and Premises 2024 - Scotland | Melton | £27M |
| | IPS Expansion | Leeds | £26M |
| | Provider List for Mental Health Supported Living Services in the Bradford District | Bradford | £26M |
| | Project_3308 - Oracle Support Renewal | London | £24M |
| | British Museum Western Range Competition to Find an Architect-Led Design Team | London | £22M |
| | DART Station Operations and Facilities Management for Luton Rising | Luton | £21M |
| | Framework for Supported Living and Day Opportunities | Manchester | £20M |
| | Sale Magistrates Housing Development | Sale | £20M |
| | Transforming Education in Ethiopia (TREE) - Technical Assistance Component | London | £20M |
| | TARS Legacy Services | Bristol | £20M |
| | Capability Delivery Partner - Fraud Risk Management | Holborn | £19M |
| | Capability Delivery Partner - User Centred Design | Holborn | £19M |
| | PPE, Clothing, Uniforms and First Aid Supplies | Salford | £18M |
| | Fuel for Fleet and Bulk Fuel Storage Services | Belfast | £18M |
| | Materials Recovery Facility | London | £17M |
| | Fire Protection to HRA Housing Stock | London | £17M |
| | Leicester Railway Station Redevelopment - Construction | Leicester | £17M |
| | Leicester Railway Station Redevelopment – Construction | Leicester | £17M |
| | Housing Adaptation Service - Contractors' Framework | Hounslow | £16M |
| | Northern Ireland Fire and Rescue Service Term Service Contracts | Belfast | £16M |
| | PPE Foul Wet Weather Clothing | Bristol | £16M |
| | SCC - MS - Local Bus Routes | Reigate | £15M |
| | Heating Renewal | Enfield | £15M |
| | Overseas Registration Examination | London | £15M |
| | Segments 3 and 4 Road Construction and FRP Earthworks | Eastleigh | £15M |