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.

Syntax: "exact phrase" cleaning OR catering software -consultancy (cleaning OR catering) AND hospital govern* admin+defence ocds-…

More filters
How
What
Who
When & money
Reset

All records

Showing 168,901–168,950 · every procedure in the catalogue, any stage.

210,080 procedures

  1. AwardedSelective / two-stageFramework7 lots

    National Grid Static Wound Equipment Framework Tender

    National Grid UK Ltd · Nationwide (UK)

    Supply, install and commission of transformers to our UK and US businesses.

    Awarded to supplier not published

    • Transformers
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037283
  2. AwardedOpen procedure19 lots

    Processing of Recyclable Materials and Resources

    Armagh City, Banbridge and Craigavon Borough Council · Local authority · Northern Ireland

    Processing of Recyclable Materials and Resources

    Awarded to CLEARWAY DISPOSALS LIMITED, Enva Northern Ireland Limited, Hotpursuit Enterprises Ltd T/A Cookstown Textile Recycling +1 more · 19 awards

    • Refuse and waste related services
    • Refuse collection services
    • Refuse disposal and treatment
    • +1
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-0342d6
  3. AwardedOpen procedure

    Taxi and Minicab (1-8 seats)

    Royal Borough of Greenwich - managed by GS Plus Ltd · Local authority · West Midlands

    Taxi and Minicab (1-8 seats)

    Awarded to Good Chauffeur Ltd

    • Transport services (excl. Waste transport)
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037676
  4. Closed Open procedure

    1281: Office Refurbishment - decorating and refresh

    NHS South, Central and West Commissioning Support Unit (hosted by NHS England) · NHS & health · South West England

    NHS South, Central and West Commissioning Support Unit (SCW) are currently seeking quotes from suppliers able to provide various office refurbishment goods and services at the following 3 sites: <br/>• 360 Bristol, 360 Marlborough Street, B…

    • Interior decorating services
    Value
    £125k
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037675
  5. Closed Open procedureFramework2 lots

    NICE Technical Support Unit

    National Institute for Health and Care Excellence · Nationwide (UK)

    NICE wishes to commission a Guidelines Technical Support Unit (GTSU) (supplier) to support / assist guideline developers (Guideline Development Teams) and NICE's technical team in meeting the needs of the Guideline Committees (GC) by suppor…

    • Miscellaneous health services
    • Research and development services and related consultancy services
    • Staff development services
    Value
    £690kceiling, not a contract size
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037674
  6. Closed Open procedure2 lots

    Structural Testing of Street Lighting Columns

    Leicestershire County Council · Local authority · East Midlands

    Leicestershire County Council is seeking to identify and appoint a single Supplier per Lot for Structural testing of Street Lighting Columns. The Service shall be split into 2 Lots. The testing of Leicestershire County Council's street ligh…

    • Street-lighting maintenance services
    • Technical testing, analysis and consultancy services
    Value
    £1.1m
    Submit via
    ProContract (Due North)login required
    Published
    Reference
    ocds-h6vhtk-036c1f
  7. PlannedRoute not published

    CP2296-22 Social Care Advocacy for Adults and Children's Services

    Devon County Council · Local authority · South West England

    Due to the ongoing uncertainty of the Liberty Protection Safeguards (LPS) implementation date and guidance has still to be finalised nationally, Devon County Council, Devon Integrated Care Board (formerly the CCG) and Torbay Council/Torbay …

    • Health and social work services
    • Other community, social and personal services
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037673
  8. PlannedRoute not published

    Woolwich Ferry’s 5 Year Dry Dock Programme- 2023

    Transport for London · Other public body · Nationwide (UK)

    Transport for London (TfL) is seeking to gauge interest and obtain feedback in relation to the procurement of the Woolwich Ferry Vessel’s 5 year Class Renewal, Maintenance, Repair and Docking programme of works. The primary focus is to bett…

    • Aquatic marine services
    • Dry-docking services
    • Hire of vessels with crew
    • +3
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037671
  9. AwardedOpen procedure

    REF: AEMRI-233-FMHP 2x Hydraulic Fatigue Testing Machines and 1x Hydraulic Power Pack

    TWI Ltd · Wales (Cymru)

    TWI would like to procure 2x Hydraulic Fatigue Testing Machines and 1x Hydraulic Power Pack

    Awarded to supplier not published

    • Hydraulic power packs
    • Machines and apparatus for testing and measuring
    • Pressure-measuring equipment
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-03363d
  10. AwardedOpen procedure3 lots

    PDSE Cleaning Contract for sites at Derriford, Devonport and Exeter

    University of Plymouth · Education · Nationwide (UK)

    University of Plymouth is seeking to appoint a contractor to undertake site cleaning for three Dental Education Facilities located at Derriford and Devonport in Plymouth and one facility in Exeter. The requirement is relatively specialised …

    Awarded to SF Contracts Ltd · 3 awards

    • Cleaning services
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-031e24
  11. Closed Open procedure

    Bowlers Yard Development Scheme

    FORHOUSING DEVCO LIMITED · North West England

    ForHousing Limited (the “authority”) wish to procure a main contractor to deliver the Bowlers Yard scheme located in the Northern Quarter, Manchester on a fixed price design and build basis, with the intention of starting the enabling works…

    • Multi-dwelling buildings construction work
    Value
    £12m
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-03766d
  12. Closed Open procedure

    All Age Early Intervention and Prevention Eating Disorder Service on behalf of NHS Derby & Derbyshire Integrated Care Board

    NHS Derby and Derbyshire ICB · NHS & health · East Midlands

    NHS Derby and Derbyshire Integrated Care Board (DDICB) is inviting suitably qualified and experienced providers to express interest in delivering an Early Intervention and Prevention Eating Disorder service, by responding to this opportunit…

    • Health services
    Value
    £519k
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-03766b
  13. PlannedRoute not published

    Traffic Order Management & Enforcement

    Transport for London · Other public body · Nationwide (UK)

    TfL has a legal network management duty to secure expeditious movement of people and goods as set out in the Traffic Management Act 2004. One of the legal legislations underpinning TfL’s authority to manage and enforce traffic regulations i…

    • Transport services (excl. Waste transport)
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-03766a
  14. AwardedOpen procedure

    18-64 (Physical Disability)

    Cumbria County Council · Local authority · West Midlands

    18-64 (Physical Disability)

    Awarded to Mk Hospital@Home

    • Social work and related services
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037669
  15. AwardedOpen procedure

    Management and operation of Treliske Halls

    University of Plymouth · Education · Nationwide (UK)

    The management and operation of the University’s Treslike halls in Truro requires a provider who can work in partnership with the University to provide excellent customer service to key workers from the Royal Cornwall Hospital Trust as well…

    Awarded to Sanctuary Students

    • Accommodation management services
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-02b2e5
  16. AwardedOpen procedure

    65+ (Physical Disability)

    Cumbria County Council · Local authority · West Midlands

    65+ (Physical Disability)

    Awarded to Mk Hospital@Home

    • Social work and related services
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037668
  17. AwardedOpen procedure

    FNC to CHC - Care Home with Nursing - Physical Disability - 18-64

    MIDLANDS AND LANCASHIRE COMMISSIONING SUPPORT UNIT · West Midlands

    FNC to CHC - Care Home with Nursing - Physical Disability - 18-64

    Awarded to Premcard Limited

    • Health services
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037665
  18. Closed Open procedure

    ITT - Electrolyser Test Station

    National Physical Laboratory · Nationwide (UK)

    The National Physical Laboratory’s (NPL) requirement is a for a low temperature water electrolyser test station able to test single cell electrolysers at up to 250 A and pressures of 50 bar. This equipment is needed to extend NPL’s test cap…

    • Laboratory, optical and precision equipments (excl. glasses)
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037664
  19. AwardedOpen procedure

    Fast Track - PHB notional budget

    MIDLANDS AND LANCASHIRE COMMISSIONING SUPPORT UNIT · West Midlands

    Fast Track - PHB notional budget

    Awarded to CARAH Care

    • Health services
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037663
  20. AwardedLimited / restricted

    Urgent and Emergency Care Dashboard for Hertfordshire and West Essex ICB

    Hertfordshire and West Essex Integrated Care Board · NHS & health · East of England

    The purpose of the Urgent and Emergency Care Dashboard is to improve patient flow, increase efficiencies and reduce delayed transfers of care across the Hertfordshire and West Essex system. Multiple data feeds from each of the Provider orga…

    Awarded to Transforming Systems Limited

    • Clinical information system
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037662
  21. AwardedLimited / restricted

    Line search before you dig

    NORTHERN GAS NETWORKS LIMITED · Yorkshire and the Humber

    Award notice for LSBUD, an online system which any third party can use to help them find utility pipes and cables in order to work safely.

    Awarded to LinesearchBeforeUDig Limited · 2 awards

    • IT services: consulting, software development, Internet and support
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-032d93
  22. Closed Open procedure

    Procurement of Housing and Debt Services and HPCDS Services from December 2022

    The Legal Aid Agency · North East England, North West England, Yorkshire and the Humber, West Midlands, East of England, South East England

    The Legal Aid Agency (“LAA”) has identified the need to increase access to legal aid Housing and Debt Services in specific Housing and Debt Procurement areas and for specific Housing Possession Court Duty Schemes (“HPCDS”). Accordingly, it …

    • Legal services
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-03765e
  23. AwardedOpen procedure

    Fast Track - PHB notional budget

    MIDLANDS AND LANCASHIRE COMMISSIONING SUPPORT UNIT · West Midlands

    Fast Track - PHB notional budget

    Awarded to WarrenCare Ltd

    • Health services
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-03765d
  24. Closed Open procedure

    IA2811 Education Speech and Language Therapy for Children and Young People aged 0-25 years

    Staffordshire County Council · Local authority · West Midlands

    Staffordshire County Council wishes to commission The Provision of Education Speech and Language Therapy for Children and Young People aged 0-25 years with SEND. The Provider will work directly with Children and Young People where there are…

    • Health and social work services
    Value
    £488k
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-03765b
  25. PlannedRoute not published

    Adult Integrated Respiratory Service for Hertfordshire and West Essex ICB - South and West Hertfordshire Place

    Hertfordshire and West Essex Integrated Care Board · NHS & health · East of England

    Hertfordshire and West Essex ICB has an ambitious strategy to redesign adult respiratory services. The new service will provide a truly integrated respiratory team capable of delivering "joined up care at the right time in the optimal setti…

    • Health services
    Value
    £35m
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037659
  26. AwardedOpen procedure

    Ad-Hoc Services

    London Borough of Haringey - Passenger Transport Services · Local authority · West Midlands

    Ad-Hoc Services

    Awarded to Whittington Cars LTD

    • Hire of passenger transport vehicles with driver
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037658
  27. AwardedOpen procedure

    0-15 years

    Milton Keynes Council · Local authority · West Midlands

    0-15 years

    Awarded to COURTCARE FLEXI LIMITED

    • Social work and related services
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037657
  28. AwardedOpen procedure

    0-15 years

    Milton Keynes Council · Local authority · West Midlands

    0-15 years

    Awarded to COURTCARE FLEXI LIMITED

    • Social work and related services
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037656
  29. AwardedOpen procedure

    SAP Support and Maintenance

    City of Bradford Metropolitan District Council · Local authority · Yorkshire and the Humber

    City of Bradford Metropolitan District Council (the Council) is seeking to appoint a suitably experienced and qualified Provider (the Provider) to deliver a comprehensive SAP Support and Maintenance service. The Council is not looking to re…

    Awarded to Accenture UK Limited

    • IT services: consulting, software development, Internet and support
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-033fa9
  30. Closed Open procedure

    Agency for Media Buying

    British Council · Local authority · delivery region not published

    British Council anticipates that it will spend up to 4.5 million pounds on MEDIA in MENA over the next 3 years and therefore it wishes to retain an agency as its regional / centralized supplier for the MENA region for the provision of plann…

    • Business services: law, marketing, consulting, recruitment, printing and security
    • IT services: consulting, software development, Internet and support
    • Radio, television, communication, telecommunication and related equipment
    • +1
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037653
  31. Closed Open procedure

    Cleaning Services

    COMPOUND SEMICONDUCTOR APPLICATIONS CATAPULT LIMITED · Wales (Cymru)

    This procurement will establish a contract with a single supplier to provide cleaning services at our Newport offices, post code NP10 8BE. The services will include general cleaning, consumables, carpet cleaning, window cleaning and other r…

    • Cleaning services
    Value
    £240k
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037652
  32. Closed Selective / two-stage

    Provision for Commercial Gas Servicing Repairs and Installation Works including Heat Interface Units

    One Housing · Nationwide (UK)

    One Housing / The Riverside Group invites expressions of interest from suitably qualified and experienced organisation in relation to the Contract for the Provision for Commercial Gas Servicing Repairs & Installation Works including Heat In…

    • Central-heating installation work
    • Commissioning of heating installations
    • District heating
    • +3
    Value
    £7.5m
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-03764f
  33. AwardedOpen procedure

    Hospital Discharge 18-64

    Milton Keynes Council · Local authority · West Midlands

    Hospital Discharge 18-64

    Awarded to Chiltern Healthcare

    • Social work and related services
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-03764e
  34. Closed Selective / two-stage

    Tenterden Leisure Centre Operating Contract

    TENTERDEN LEISURE CENTRE TRUST · Charity · South East England

    10 year operating contract for Tenterden Leisure Centre. Note that the Trust is not bound by the Public Contracts Regulations 2015, but it has chosen to adopt the principles of a competitive procedure with negotiation on a voluntary basis f…

    • Construction work for buildings relating to leisure, sports, culture, lodging and restaurants
    • Recreational, cultural and sporting services
    • Sporting services
    Value
    £1
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-03764d
  35. AwardedLimited / restricted

    Services-Contract-River Dee Monitoring

    United Utilities Water Limited · North West England

    This requirement is being let by the Dee Steering Committee (DSC) on behalf of the Water Companies taking potable water from the River Dee. United Utilities, Welsh Water and Severn Trent are the companies who form the DSC. Requirements incl…

    Awarded to ALS Laboratories (UK) Ltd

    • Analysis services
    • Checking and testing apparatus
    • Contamination-monitoring devices
    • +3
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-03764c
  36. Closed Open procedure

    Recovery Houses

    Lancashire and South Cumbria NHS Foundation Trust · NHS & health · North West England

    The Authority has identified the requirement for step up provision (Recovery House), following the same principles of least restrictive care environments and at a lower cost base. <br/>A proposal has been made to the Trust board, whereby th…

    • Health and social work services
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-034859
  37. AwardedRoute not published

    BHSCT Maintenance, Decontamination and Delivery / Collection / Transfer of Patient Handling Equipment [2253191]

    Belfast Health & Social Care Trust · NHS & health · Northern Ireland

    Awarded to ABBEY MEDICARE NI LTD, J. Y. HYGIENE SUPPLIES LTD, PREMIER HEALTHCARE N I LTD

    • Baths
    • Beds for medical use
    • Cots
    • +3
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-03764b
  38. AwardedOpen procedure

    SEND

    Surrey County Council · Local authority · West Midlands

    SEND

    Awarded to Swyft Executive Ltd

    • Transport services (excl. Waste transport)
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037649
  39. AwardedOpen procedure

    Marketing and Communications - Kirklees Year of Music 2023 & WOVEN in Kirklees 2023

    The Council of the Borough of Kirklees · Local authority · Yorkshire and the Humber

    Contract to create a total project strategy and lead the campaign delivery to ensure the Kirklees Year of Music 2023 Project (KYOM2023) and WOVEN in Kirklees 2023 festival to achieve their target outcomes and demonstrate KPIs (Key performan…

    Awarded to The Cogency Ltd

    • Advertising and marketing services
    • Business services: law, marketing, consulting, recruitment, printing and security
    • Marketing management consultancy services
    • +1
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-034ede
  40. Closed Open procedure

    Provision of Deprivation of Liberty Safeguards, Adult Social Services

    Haringey Council · Local authority · Greater London

    The London Borough of Haringey is inviting suitably experienced and qualified contractors to to register as suppliers on a suppliers list, which will lead to the opportunity to quote for the Deprivation of liberty Safeguards, (Dols, Mental …

    • Other community, social and personal services
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037647
  41. AwardedOpen procedure

    Care Home with Nursing - Dementia - 65+

    MIDLANDS AND LANCASHIRE COMMISSIONING SUPPORT UNIT · West Midlands

    Care Home with Nursing - Dementia - 65+

    Awarded to Athena Health Care Group (Park Road) Ltd

    • Health services
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037646
  42. Closed Open procedureFramework

    This procurement is for a 4 year framework to replace an expiring framework providing specialist property surveying support and advice to the EA National Estates Te

    Defra Network eTendering Portal · Nationwide (UK)

    This service primarily supports Infrastructure projects where a significant proportion of the civil engineering is delivered on 3rd party owned land. This requires specialist land, property, compensation and land valuation skills to work wi…

    • Building surveying services
    Value
    £9.0mceiling, not a contract size
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037645
  43. PlannedRoute not published

    University of Bristol Carbon Net Zero Project Capital Programme (Energy)

    University of Bristol · Education · South West England

    The target of our Climate Emergency Declaration is to become net-zero in our Scope 1 & 2 emissions from our buildings by 2030. Reducing energy and water emissions is crucial to meeting our target. The University intends to appoint a Consult…

    • Energy-efficiency consultancy services
    Value
    £250k
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037644
  44. AwardedOpen procedure

    Care Home with Nursing - Fast Track/End of Life - 65+

    MIDLANDS AND LANCASHIRE COMMISSIONING SUPPORT UNIT · West Midlands

    Care Home with Nursing - Fast Track/End of Life - 65+

    Awarded to Newco Southport Limited

    • Health services
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037643
  45. Closed Route not published

    CP2245-22 Bikeability Cycle Training

    Devon County Council · Local authority · South West England

    Devon County Council, who are a registered Bikeability Grant Recipient, is seeking to appoint a Contractor to deliver Bikeability in the Devon County Council area. The training will be mainly the Core Bikeability Levels to children who live…

    • Education and training services
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037642
  46. Closed Open procedure

    Birth and Infant Preparation Classes

    Royal Berkshire NHS Foundation Trust · NHS & health · South East England

    Birth and Infant Feeding Preparation Classes

    • Education and training services
    • Maternity benefits
    Value
    £90k
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-037641
  47. AwardedLimited / restricted

    Maintenance of Medray DRX Revolution, Evolution, Ascend - including detectors and detector drop insurance

    Countess of Chester NHS Foundation Trust · NHS & health · North West England

    Maintenance of Medray DRX Revolution, Evolution, Ascend - including detectors and detector drop insurance

    Awarded to Medray Uk Ltd · 2 awards

    • X-ray devices
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-034e66
  48. AwardedOpen procedure

    Care Home with Nursing - Fast Track/End of Life - 65+

    MIDLANDS AND LANCASHIRE COMMISSIONING SUPPORT UNIT · West Midlands

    Care Home with Nursing - Fast Track/End of Life - 65+

    Awarded to The Abbeyfield Society Ltd

    • Health services
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-03763f
  49. Closed Open procedure2 lots

    Meat (Lot One) and Dairy (Lot Two) Consumer Data requirements

    AHDB · Nationwide (UK)

    Lot 1. Meat Purchase Data - 3rd party contract Lot 2. Dairy Purchase Data - AHDB only contract AHDB intend to procure a Contract to a successful Provider or Providers for the provision of Meat and Dairy Consumer Data on behalf of AHDB, HCC …

    • Market research services
    Value
    Not published
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-03763e
  50. Closes · 1453 days leftSelective / two-stageDynamic purchasing system4 lots

    Provision and maintenance of mobile plant

    Yorwaste Ltd · Yorkshire and the Humber

    PLEASE NOTE this project replaces: Contracts finder notice: YORWASTE001-DN551310-01927655 Find a Tender notice: 2021/S 000-013885 In relation to the Public Contract Regulations 2015 regulation 34 (Dynamic Purchasing Systems), the Company is…

    • Earthmoving and excavating machinery, and associated parts
    • Front-end shovel loaders
    • Industrial machinery
    • +3
    Value
    £3.0mceiling, not a contract size
    Submit via
    portal not identified
    Published
    Reference
    ocds-h6vhtk-02bdb0