Search UK public tenders and contract notices
Official Find a Tender notices, one row per procedure. Filters use published facts only: delivery region from the notice, buyer type from the official classification, route and vehicle as published — never a Tenderline score.
Live opportunities
Page 1 · 50 procedures on this page · more available · submission window open — deadline in the future or not published.
- Closes · 10h leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Malpas
Post Office Limited · Other public body · North West England
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £10k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06ba0d
- Closes · 34h leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Tivoli
Post Office Limited · Other public body · South East England
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £18k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06e975
- Closes · 6 days leftOpen procedureSME suitable
Courier Services for Hampshire Scientific Services
Hampshire County Council · Local authority · East of England, South East England
Hampshire County Council (the Authority) is tendering a contract for courier services to support Hampshire Scientific Services ("HSS"). HSS provides scientific advisory and analytical services to UK public authorities and is accredited to h…
- Value
- £628k
- Submit via
- In-tendlogin required
- Published
- Reference
ocds-h6vhtk-06c216
- Closes · 9 days leftOpen procedureSME suitable
FPEP Cellular Network
The Mayor and Commonalty and Citizens of the City of London · Local authority · Nationwide (UK), Greater London
The City will provide the tender documents relating to this procurement upon receipt of a completed Non Disclosure Agreement (NDA). The NDA must be returned via the messaging facility on the City of London Corporation Sourcing & Contracts P…
- Value
- £1.2m
- Submit via
- Jaggaerlogin required
- Published
- Reference
ocds-h6vhtk-05e33c
- Closes · 11 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office branch - Perry Hall
Post Office Limited · Other public body · West Midlands
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £8k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-0773ed
- Closes · 11 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Marpool Lane
Post Office Limited · Other public body · West Midlands
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £8k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-07754d
- Closes · 11 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Broad Street
Post Office Limited · Other public body · West Midlands
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £8k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-077545
- Closes · 11 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Fairview Road
Post Office Limited · Other public body · South West England
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £8k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-07753b
- Closes · 11 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Kidwelly
Post Office Limited · Other public body · Wales (Cymru)
Post Office Ltd is looking for a successful retailer to either purchase or incorporate a Post Office Main into their existing or proposed business. The offer available in this Post Office would be: Post Office Main branch - a dedicated Post…
- Value
- £15k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-0773ee
- Closes · 11 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Kingsway
Post Office Limited · Other public body · Greater London
Post Office Ltd is looking for a successful retailer to either purchase the current business or incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - …
- Value
- £8k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-0773ec
- Closes · 12 days leftOpen procedureSME suitable
Postal Vote Printing for Elections
Barnsley Metropolitan Borough Council · Local authority · delivery region not published
Provision of a specialist elections printing service for Barnsley Metropolitan Borough Council
- Value
- £165k
- Submit via
- EU-Supply (CTM)public page
- Published
- Reference
ocds-h6vhtk-06f0e4
- Closes · 13 days leftOpen procedureFramework11 lotsSME suitableVCSE suitable
Network Services 4
Government Commercial Agency · Central government · delivery region not published
This framework will provide access to a wide range of networks and telecommunications services, products and solutions
- Value
- £8.0bnceiling, not a contract size
- Submit via
- Jaggaerlogin required
- Published
- Reference
ocds-h6vhtk-0504a6
- Closes · 15 days leftOpen procedureSME suitableVCSE suitable
IoT Devices for Insight into Environmental Conditions Within Freebridge Homes
Freebridge Community Housing Limited · Other public body · East of England
Freebridge Community Housing Limited is seeking to procure an Internet of Things (IoT) environmental sensor solution to support the proactive identification, monitoring, and management of damp, mould, and condensation (DMC) risks across our…
- Value
- £200k
- Submit via
- Delta eSourcingpublic page
- Published
- Reference
ocds-h6vhtk-06f917
- Closes · 17 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Westwoodside
Post Office Limited · Other public body · East Midlands
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £18k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06fa91
- Closes · 17 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Spilsby
Post Office Limited · Other public body · East of England
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Main into their existing or proposed business. The offer available in this Post Office would be: Post Office Main branch - a dedicated Post Office area, a ful…
- Value
- £55k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06fa71
- Closes · 20 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Dunnock Way
Post Office Limited · Other public body · South East England
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £8k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06fa95
- Closes · 25 days leftOpen procedure
EV Infrastructure Back Office
Stirling Council · Local authority · Scotland
Stirling Council seeks a Charge Point Network Operator (CPNO) to provide EV Charge Point Management System (CPMS) services for its public and fleet charging network. The contract includes migration from the existing ChargePlace Scotland pla…
- Value
- £315k
- Submit via
- Public Contracts Scotlandlogin required
- Published
- Reference
ocds-h6vhtk-06f9c3
- Closes · 26 days leftOpen procedureFrameworkUtilitiesSME suitable
Next Generation on Train Wifi (Members of RM6370)
LONDON NORTH EASTERN RAILWAY LIMITED · Nationwide (UK)
This Procurement is a Competitive Flexible Procedure open to members of the GCA Dynamic Market RM6370 Space Technology Solutions (https://supplierregistration.cabinetoffice.gov.uk/dm/RM6370) LNER is looking to procure a new solution with th…
- Value
- £35mceiling, not a contract size
- Submit via
- portal not identified
- Published
- Reference
ocds-h6vhtk-05262f
- Closes · 27 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Horwich End
Post Office Limited · Other public body · delivery region not published
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £19k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-077558
- Closes · 30 days leftOpen procedureUtilities
EDC_5224_Ebbsfleet Central Infrastructure Works_ Multi-Utility Company
Ebbsfleet Development Corporation · Other public body · South East England
Ebbsfleet Development Corporation (EDC) was established in 2015 to speed up the delivery of up to 15,000 homes and create a 21st-century Garden City in Ebbsfleet, North Kent. As planning authority for the Urban Regeneration Area, as well as…
- Value
- £15m
- Submit via
- In-tendlogin required
- Published
- Reference
ocds-h6vhtk-069d07
- Closes · 31 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Chilham
Post Office Limited · Other public body · South East England
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £13k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06d17b
- Closes · 59 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Whitchurch
Post Office Limited · Other public body · South West England
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £32k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06e6d3
- Closes · 66 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Mid Calder
Post Office Limited · Other public body · Scotland
Post Office Ltd is looking for a successful retailer to either purchase the current business or incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - …
- Value
- £8k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06eb4a
- Closes · 66 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Dalgety Bay
Post Office Limited · Other public body · Scotland
Post Office Ltd is looking for a successful retailer to either purchase the current business or incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - …
- Value
- £8k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06eb45
- Closes · 73 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Terrignton St Clements
Post Office Limited · Other public body · East of England
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £11k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06fa6d
- Closes · 81 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Southall
Post Office Limited · Other public body · Greater London
Post Office Ltd is looking for a successful retailer to either purchase the current business or incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - …
- Value
- £8k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06fa93
- Closes · 81 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Honley
Post Office Limited · Other public body · Yorkshire and the Humber
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £8k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06b16f
- Closes · 97 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Cumbernauld
Post Office Limited · Other public body · Scotland
Post Office Ltd is looking for a successful retailer to either purchase the current business or incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - …
- Value
- £23k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06bf4f
- Closes · 102 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Billingham
Post Office Limited · Other public body · North East England
Closing date: 30th December 2026 (Advert may close early if sufficient interest is registered) Post Office Ltd is looking for a successful retailer to either purchase the current business or incorporate a Post Office Local into their existi…
- Value
- £15k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06c14f
- Closes · 126 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Trawden
Post Office Limited · Other public body · North West England
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £8k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06d36f
- Closes · 126 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Ewloe
Post Office Limited · Other public body · Wales (Cymru)
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £22k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06d36c
- Closes · 134 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Partington
Post Office Limited · Other public body · North West England
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £8k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06dd37
- Closes · 141 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Anniesland
Post Office Limited · Other public body · Scotland
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £8k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06e34c
- Closes · 141 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - West Bollington
Post Office Limited · Other public body · North West England
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £18k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06e33f
- Closes · 153 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Wareham
Post Office Limited · Other public body · South West England
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Main into their existing or proposed business. The offer available in this Post Office would be: Post Office Main branch - a dedicated Post Office area, a ful…
- Value
- £44k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06e83b
- Closes · 153 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - High Street, Gillingham
Post Office Limited · Other public body · South West England
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Main into their existing or proposed business. The offer available in this Post Office would be: Post Office Main branch - a dedicated Post Office area, a ful…
- Value
- £60k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06e831
- Closes · 161 days leftOpen procedureConcessionLight-touchSME suitable
Post Office Branch - Sauchiehall Street
Post Office Limited · Other public body · Scotland
Post Office Ltd is looking for a successful retailer to either purchase the current business or incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - …
- Value
- £14k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06fa33
- Closes · 213 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Tal Y Bont
Post Office Limited · Other public body · Wales (Cymru)
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £9k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06d188
- Closes · 213 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Clun
Post Office Limited · Other public body · West Midlands
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £13k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06d183
- Closes · 271 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Penny Hill
Post Office Limited · Other public body · Yorkshire and the Humber
Post Office Ltd is looking for a successful retailer to either purchase the current business or incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - …
- Value
- £8k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06b73e
- Closes · 333 days leftOpen procedureConcessionLight-touchSME suitableVCSE suitable
Post Office Branch - Cabin Lane
Post Office Limited · Other public body · West Midlands
Post Office Ltd is looking for a successful retailer to incorporate a Post Office Local into their existing or proposed business. The offer available in this Post Office would be: Post Office Local - integrating Post Office services into a …
- Value
- £10k
- Submit via
- Post Office Procurementlogin required
- Published
- Reference
ocds-h6vhtk-06e89d
- Closes · 362 days leftSelective / two-stageDynamic purchasing system
Internet of Things
Scottish Government · Scotland
The Authority is further extending its collaborative Dynamic Purchasing System (DPS) for Internet of Things (IoT) for an additional 12 months until 17 September 2027. The DPS will remain open for new suppliers to apply to join. However, exi…
- Value
- £3.5mceiling, not a contract size
- Submit via
- Public Contracts Scotlandlogin required
- Published
- Reference
ocds-h6vhtk-06cd72
- Closes · 554 days leftSelective / two-stageDynamic purchasing system2 lots
Telephony and Communication Services Dynamic Purchasing System
Scottish Government · Scotland
The Authority is further extending its collaborative Dynamic Purchasing System (DPS) for Telephony and Communication Services for an additional 24 months until 27 March 2028. The DPS comprises of two lots: Lot 1 - Telephony and Communicatio…
- Value
- £48mceiling, not a contract size
- Submit via
- Public Contracts Scotlandlogin required
- Published
- Reference
ocds-h6vhtk-02d30e
- Closes · 612 days leftSelective / two-stageDynamic purchasing system
Health and Social Care Network (HSCN) Access Services.
Crown Commercial Service · Central government · Nationwide (UK)
The Dynamic Purchase System has been established on behalf of UK public sector bodies who have a need for the provision of data access services, to facilitate connectivity to the Health and Social Care Network (HSCN) and additional network …
- Value
- £500mceiling, not a contract size
- Submit via
- portal not identified
- Published
- Reference
ocds-h6vhtk-039706
- Closes · 681 days leftSelective / two-stageDynamic purchasing system3 lots
Dynamic Purchasing System Digital Connectivity Services to Understanding Mobile Coverage and Performance
Worcestershire County Council · Local authority · West Midlands
Worcestershire County Council, WCC, in collaboration with Partners, is putting in place a new Digital Connectivity Services to Understand Mobile Coverage and Performance Dynamic Purchasing System DPS. The scope of the services and call offs…
- Value
- £15mceiling, not a contract size
- Submit via
- In-tendlogin required
- Published
- Reference
ocds-h6vhtk-03d4cf
- Closes · 711 days leftSelective / two-stageDynamic purchasing system3 lots
Dynamic Purchasing System for Digital Connectivity: Services to Understand Mobile Coverage & Performance
Worcestershire County Council · Local authority · West Midlands, Wales (Cymru)
Worcestershire County Council, in collaboration with Partners, is putting in place a new Digital Connectivity: Services to Understand Mobile Coverage & Performance Dynamic Purchasing System (DPS). The scope of the services / call offs may v…
- Value
- £2.0mceiling, not a contract size
- Submit via
- portal not identified
- Published
- Reference
ocds-h6vhtk-03dde0
- Closes · 855 days leftOpen procedureDynamic purchasing system12 lots
Design Print and Related Services Dynamic Purchasing System (DPS) for the London Borough of Camden
London Borough of Camden · Local authority · Greater London
The London Borough of Camden will procure all its Design, Print and Related Services requirements using this Dynamic Purchasing System contract. The services that will be required will be divided into 12 lots. The London Borough of Camden w…
- Value
- £2.4mceiling, not a contract size
- Submit via
- portal not identified
- Published
- Reference
ocds-h6vhtk-039441
- Closes · 880 days leftSelective / two-stageDynamic purchasing system
Spark — The Technology Innovation Marketplace
The Minister for the Cabinet Office acting through Crown Commercial Service · Central government · Nationwide (UK)
Crown Commercial Service (CCS) set up a dynamic purchasing system for a period of 48 months and invited bidders to request to participate for the Spark — The Technology Innovation Marketplace DPS. This DPS provides central government and wi…
- Value
- £650mceiling, not a contract size
- Submit via
- Cabinet Office Supplier Registrationlogin required
- Published
- Reference
ocds-h6vhtk-032235
- Closes · 888 days leftSelective / two-stageDynamic purchasing system
Facilities Management and Workplace Services DPS
The Minister for the Cabinet Office acting through Crown Commercial Service · Central government · Nationwide (UK)
Crown Commercial Service (CCS) as the Authority intends to put in place a dynamic purchasing system for the provision of Facilities Management and Workplace related Services. This dynamic purchasing system (DPS) will provide FM services to …
- Value
- £750mceiling, not a contract size
- Submit via
- Cabinet Office Supplier Registrationlogin required
- Published
- Reference
ocds-h6vhtk-030593
- Closes · 889 days leftSelective / two-stageDynamic purchasing system2 lots
YPO - 000750 Vehicle Telematics & Journey Recorders
YPO · Nationwide (UK)
YPO are looking for providers to be appointed onto a Dynamic Purchasing System (DPS) for the provision of Vehicle Telematics & Journey Recorders. The DPS is designed to meet the needs of all public sector organisations which includes YPO's …
- Value
- £50mceiling, not a contract size
- Submit via
- portal not identified
- Published
- Reference
ocds-h6vhtk-05159f