Public and Local Authority
| Cheshire Shared Services, Chester, West Cheshire and East Cheshire UK |
| Clackmannanshire Libraries, Alloa UK |
| Cumbria County Council, Carlisle, Cumbria UK |
| East Dunbartonshire Council, Kirkintilloch UK |
| Halton Borough Council, Halton UK |
| Knowsley Metropolitan Borough Council, Knowsley UK |
| London Fire Commissioner, London UK |
| Middlesbrough Council, Middlesbrough UK |
| Newcastle City Council, Newcastle UK |
| Sefton Council, Sefton UK |
| St Helens Council, St Helens UK |
| Surrey Performing Arts Library, Epsom UK |
| Warrington Livewire (Warrington Borough Council), Warrington UK |
| Western Isles Council, Stornoway UK |
Government
| British Council in Pakistan, Lahore Pakistan |
| Department of Health and Social Care, Leeds UK |
| Food and Agriculture Organisation of the United Nations, Rome Italy and offices worldwide |
| Foreign and Commonwealth Office Knowledge and Technology Directorate, London UK |
| Foreign and Commonwealth Office Legal Directorate, London UK |
| House of Commons, London UK |
| House of Lords, London UK |
| Marine Scotland, Aberdeen UK |
| Ministry of Housing, Communities & Local Government, London, UK |
| National Archives, London UK |
| Office of the Houses of the Oireachtas (Irish Parliament), Dublin Ireland |
| Registers of Scotland, Edinburgh UK |
| Royal Commission on the Ancient and Historic Monuments of Wales, Aberystwyth UK |
| Scottish Enterprise, Glasgow UK |
| The Scottish Government, Edinburgh UK |
Education
| Al-Mahdi Institute, Birmingham UK |
| American University in Richmond, London UK |
| Arts University Bournemouth, Bournemouth UK |
| Athlone Institute of Technology, Athlone Ireland |
| Bard College Berlin, Berlin Germany |
| Barrington Library Cranfield University, Shrivenham UK |
| Blackpool and The Fylde College, Blackpool UK |
| Bradford College, Bradford UK |
| Carlisle College, Carlisle UK – Part of Newcastle College Group |
| Chesterfield College, Chesterfield UK |
| City of Glasgow College, Glasgow UK |
| City College Plymouth, Plymouth UK |
| Cork Institute of Technology, Cork Ireland |
| Dame Alice Owens School, Potters Bar UK |
| De Montfort University, Leicester UK |
| Dr. WIlliams’s Library, London UK |
| Dundalk Institute of Technology, Ireland UK |
| Dún Laoghaire Institute of Art, Design, and Technology, Dún Laoghaire Ireland |
| European Humanities University, Vilnius Lithuania |
| Evangelical Theological Faculty, Loeven Belgium |
| Forth Valley College, Falkirk UK |
| Galway and Mayo Institute of Technology, Galway-Mayo Ireland |
| Glasgow Clyde College, Glasgow UK |
| Glasgow Kelvin College, Glasgow UK |
| HCUC (Harrow College and Uxbridge College), London UK |
| Iniva (Institute of International Visual Arts), London UK |
| Institute of Technology Blanchardstown, Blanchardstown Ireland |
| Institute of Technology Carlow, Carlow Ireland |
| Institute of Technology Sligo, Sligo Ireland |
| Institute of Technology Tallaght, Tallaght UK |
| Institute of Technology Tralee, Tralee UK |
| Kidderminster College, Kidderminster UK – Part of Newcastle College Group |
| Letterkenny Institute of Technology, Letterkenny Ireland |
| Limerick Institute of Technology, Limerick Ireland |
| London Academy of Music and Dramatic Art, London UK |
| London School of Theology, London UK |
| Leeds City College, Leeds UK |
| Leeds Conservatoire, Leeds UK |
| Leo Baeck College, London UK |
| Lewisham College, London UK – Part of Newcastle College Group |
| Loughborough University, Loughborough UK |
| National Foundation for Educational Research, London UK |
| Newcastle College, Newcastle UK – Part of Newcastle College Group |
| Nottingham College, Nottingham UK |
| Newcastle Sixth Form College, Newcastle UK – Part of Newcastle College Group |
| Plymouth Marjon University, Plymouth UK |
| Ravensbourne University, London UK |
| Royal College of Music, London UK |
| Royal Conservatoire of Scotland, Glasgow UK |
| Southwark College, London UK – Part of Newcastle College Group |
| St Helens College, St Helens UK |
| The Manchester College, Manchester UK |
| University of the Arts London, London UK |
| University of Hertfordshire, Hatfield UK |
| University of West London, London UK |
| Waterford Institute of Technology, Waterford Ireland |
| West Lancashire College, Skelmersdale UK – Part of Newcastle College Group |
| Wigan and Leigh College, Wigan UK |
| Wiltshire College, Trowbridge UK |
| UCEN Manchester, Manchester UK |
Health and NHS
| Birmingham and Solihull Mental Health Foundation Trust, Birmingham UK |
| Birmingham Children’s NHS Foundation Trust, Birmingham UK |
| Birmingham Community Healthcare, Birmingham UK |
| Birmingham Women’s NHS Foundation Trust |
| College of Optometrists, London UK |
| Coventry and Warwickshire Partnership NHS Trust |
| Dudley Group Foundation Trust, Dudley UK |
| Dudley Public Health, Dudley UK |
| Dudley and Walsall Mental Health Partnership Trust, Dudley UK |
| Heart of England NHS Foundation Trust, Various locations UK |
| Herefordshire Clinical Library Service, Hereford UK |
| Kettering General Hospital NHS Foundation Trust, Kettering UK |
| Kings College Hospital NHS Foundation Trust, London UK |
| Kings Fund, London UK |
| Kingston Hospital NHS Foundation Trust, London UK |
| Lewisham and Greenwich NHS Trust, London UK |
| Medicines and Healthcare products Regulatory Agency (MHRA), London UK |
| Northamptonshire Healthcare NHS Foundation Trust, Northampton UK |
| Oxleas NHS Foundation Trust, London UK |
| Public Health England, London UK and other UK locations |
| Royal Marsden NHS Foundation Trust, London UK |
| Royal Orthopaedic Hospital NHS Foundation Trust, Birmingham UK |
| Royal Pharmaceutical Society of Great Britain, London UK |
| Royal Wolverhampton NHS Trust, Wolverhampton UK |
| Sandwell and West Birmingham Hospitals NHS Trust, Birmingham UK |
| South London and Maudesley NHS Foundation Trust, London UK |
| Tavistock & Portman NHS Foundation Trust, London UK |
| University Hospitals of Derby and Burton NHS Foundation Trust, Derby UK |
| University Hospitals NHS Foundation Trust, Birmingham UK |
| Walsall Healthcare NHS Trust, Wallsall UK |
| Worcestershire Health Libraries, Redditch UK |
Legal
| Freshfields, Worldwide |
| Pinsent Masons, Leeds and London UK, and offices worldwide |
Special Libraries
| British Museum |
| Dyslexia Action, Egham UK |
| European Southern Observatory, Munich Germany |
| Historic Environment Scotland, Edinburgh UK |
| Institute of Materials, Minerals and Mining, London UK |
| International Association of Music Libraries, International |
| International Bureau of Fiscal Documentation (IBFD), Amsterdam Netherlands |
| Lambeth Palace, London UK |
| Museum of the Order of St John, London UK |
| North of England Institute of Mining and Mechanical Engineers in Newcastle upon Tyne, Newcastle UK |
| Royal Armouries, Leeds UK |
| Royal Asiatic Society, London UK |
| Royal Botanic Gardens Edinburgh, Edinburgh UK |
| Royal Geographical Society (with the Institute of British Geographers), London UK |
| Science Museum, London and Swindon UK |
| Scottish Poetry Library, Edinburgh UK |
| Scottish Natural Heritage, Glasgow UK |
| Signet Library, Edinburgh UK |
| Society of Antiquaries, London UK |
PTFS Europe Limited
Certification Number 193891
Certification Number QGCE 1623