| Global Commercial Services Group LtdNew | Other | 4 | £375m | 49.2% | 2025-10-16 |
| The Police and Crime Commissioner for NorthumbriaNew | Other | 5 | £153m | 20.0% | 2026-04-13 |
| NHS Shared Business Services Ltd (NHS SBS) | Other | 2 | £91m | 11.9% | 2021-03-01 |
| North of England Commercial Procurement CollaborativeNew | Other | 1 | £30m | 3.9% | 2025-02-07 |
| Crown Commercial Service | Other | 4 | £11m | 1.4% | 2022-08-31 |
| OPEN UNIVERSITY(THE)New | Other | 1 | £10m | 1.3% | 2024-08-07 |
| Public Health England | Other | 8 | £9m | 1.2% | 2020-09-04 |
| National Highways | Other | 1 | £8m | 1.1% | 2022-09-13 |
| Kent County Council (t/a KCS) | Other | 4 | £8m | 1.1% | 2020-11-23 |
| COUNTESS OF CHESTER HOSPITAL NHS FOUNDATION TRUST | Other | 1 | £6m | 0.8% | 2019-02-28 |
| South Yorkshire Police Headquarters | Other | 3 | £6m | 0.8% | 2019-02-27 |
| Department for Education | Other | 8 | £5m | 0.7% | 2023-07-19 |
| Department for Work & Pensions | Other | 3 | £4m | 0.5% | 2025-03-12 |
| Government Property Agency : Cabinet Office | Other | 2 | £3m | 0.4% | 2020-09-11 |
| Northumbria UniversityNew | Other | 1 | £3m | 0.4% | 2024-09-30 |
| UK SHARED BUSINESS SERVICES LIMITED | Other | 13 | £3m | 0.4% | 2026-03-21 |
| Isle of Wight Council | Other | 12 | £2m | 0.3% | 2024-11-27 |
| Family Fund | Other | 1 | £2m | 0.3% | 2018-07-24 |
| University of Sunderland | Other | 1 | £2m | 0.3% | 2022-11-01 |
| Avon & Somerset Constabulary | Other | 2 | £2m | 0.2% | 2016-10-17 |
| Student Loans Company | Other | 2 | £2m | 0.2% | 2021-01-25 |
| South Tyneside Council | Other | 4 | £2m | 0.2% | 2024-05-28 |
| Shropshire Council | Other | 2 | £1m | 0.2% | 2015-12-01 |
| Bath Spa University | Other | 15 | £1m | 0.2% | 2025-10-29 |
| HEART ACADEMIES TRUSTNew | Other | 2 | £967k | 0.1% | 2025-11-17 |
| Newcastle University | Other | 13 | £934k | 0.1% | 2023-09-28 |
| University of Hertfordshire | Other | 1 | £910k | 0.1% | 2016-05-03 |
| NORTH EAST SURREY COLLEGE OF TECHNOLOGY TRUST | Other | 5 | £801k | 0.1% | 2021-08-06 |
| University of Chester | Other | 1 | £800k | 0.1% | 2023-09-01 |
| University Hospitals of North Midlands NHS Trust | Other | 1 | £758k | 0.1% | 2022-10-24 |
| University of York | Other | 2 | £725k | 0.1% | 2020-05-07 |
| Bradford Teaching Hospitals NHS Foundation Trust | Other | 2 | £699k | 0.1% | 2024-01-22 |
| Stockton Riverside College | Other | 1 | £639k | 0.1% | 2017-07-12 |
| British Transport Police | Other | 2 | £548k | 0.1% | 2024-08-24 |
| University of Central Lancashire | Other | 1 | £533k | 0.1% | 2023-02-27 |
| NHS England | Other | 1 | £505k | 0.1% | 2023-08-07 |
| General Pharmaceutical Council | Other | 1 | £500k | 0.1% | 2022-06-30 |
| Health & Safety Executive | Other | 1 | £496k | 0.1% | 2024-03-15 |
| Yorkshire Purchasing Organisation | Other | 3 | £493k | 0.1% | 2025-12-31 |
| Liverpool City Council | Other | 2 | £468k | 0.1% | 2017-05-31 |
| Department for Culture, Media and Sport | Other | 1 | £400k | 0.1% | 2020-04-30 |
| Devon County Council | Other | 1 | £400k | 0.1% | 2017-03-13 |
| Wakefield and District Housing limited | Other | 2 | £392k | 0.1% | 2022-09-05 |
| Office for Students | Other | 2 | £380k | 0.0% | 2022-08-23 |
| Warwickshire County Council | Other | 1 | £378k | 0.0% | 2017-04-01 |
| MCA - Maritime and Coastguard Agency | Other | 4 | £364k | 0.0% | 2023-10-09 |
| DfTc - Department for Transport | Other | 1 | £360k | 0.0% | 2022-07-15 |
| North Yorkshire County CouncilNew | Other | 1 | £330k | 0.0% | 2024-10-08 |
| Kirklees College | Other | 2 | £322k | 0.0% | 2019-10-11 |
| THE UNIVERSITY OF BIRMINGHAM | Other | 8 | £318k | 0.0% | 2022-08-01 |
| Sunderland City Council | Other | 2 | £310k | 0.0% | 2021-07-21 |
| Leeds Arts University | Other | 1 | £300k | 0.0% | 2023-06-06 |
| Worcestershire County Council | Other | 2 | £287k | 0.0% | 2022-07-15 |
| Lancaster & Morecambe College | Other | 1 | £263k | 0.0% | 2017-08-24 |
| Walsall Healthcare NHS Trust | Other | 4 | £254k | 0.0% | 2021-03-30 |
| SE Shared Services | Other | 1 | £248k | 0.0% | 2015-12-16 |
| Bradford Metropolitan District Council | Other | 2 | £248k | 0.0% | 2021-01-07 |
| Craig Pullen Consulting | Other | 1 | £242k | 0.0% | 2022-05-26 |
| London Borough of Redbridge | Other | 2 | £230k | 0.0% | 2020-11-30 |
| Sheffield Teaching Hospitals NHS Foundation TrustNew | Other | 1 | £228k | 0.0% | 2024-09-03 |
| Norfolk Constabulary | Other | 2 | £212k | 0.0% | 2023-09-07 |
| Northumbria Police | Other | 2 | £204k | 0.0% | 2024-10-03 |
| Cambridge Regional College | Other | 3 | £191k | 0.0% | 2025-01-17 |
| Sunderland College | Other | 3 | £185k | 0.0% | 2022-07-07 |
| Chesterfield Royal Hospital NHS Foundation Trust | Other | 1 | £184k | 0.0% | 2019-06-11 |
| Heart of Worcestershire College | Other | 2 | £183k | 0.0% | 2017-07-20 |
| Cabinet Office | Other | 1 | £175k | 0.0% | 2019-02-13 |
| South Tees Hospitals NHS Foundation Trust | Other | 2 | £173k | 0.0% | 2024-02-20 |
| MONEY AND PENSIONS SERVICENew | Other | 2 | £170k | 0.0% | 2026-03-02 |
| Home Office | Other | 2 | £169k | 0.0% | 2022-06-16 |
| FCDO Services | Other | 2 | £158k | 0.0% | 2016-01-27 |
| The National Archives | Other | 3 | £139k | 0.0% | 2025-06-25 |
| THE UNIVERSITY OF CUMBRIANew | Other | 2 | £135k | 0.0% | 2025-01-16 |
| CRESCENT PURCHASING LIMITED | Other | 2 | £134k | 0.0% | 2020-07-10 |
| UNIVERSITY OF SHEFFIELD | Other | 1 | £133k | 0.0% | 2016-05-03 |
| ACIS Group Limited | Other | 1 | £129k | 0.0% | 2024-01-31 |
| THE QUALITY ASSURANCE AGENCY FOR HIGHER EDUCATION | Other | 1 | £125k | 0.0% | 2023-04-18 |
| British Business Bank | Other | 1 | £122k | 0.0% | 2018-10-09 |
| London Borough of Merton | Other | 1 | £110k | 0.0% | 2021-01-11 |
| COURTAULD INSTITUTE OF ART | Other | 1 | £110k | 0.0% | 2020-10-27 |
| Activate Learning | Other | 1 | £106k | 0.0% | 2024-03-22 |
| Ministry of Defence | Other | 1 | £106k | 0.0% | 2023-12-20 |
| BIRKBECK COLLEGENew | Other | 1 | £105k | 0.0% | 2024-11-28 |
| Nottingham College | Other | 1 | £100k | 0.0% | 2023-08-02 |
| Royal Northern College of Music | Other | 1 | £96k | 0.0% | 2022-02-24 |
| Stoke On Trent College | Other | 1 | £95k | 0.0% | 2021-02-04 |
| YPO | Other | 5 | £92k | 0.0% | 2018-04-11 |
| University of Leeds | Other | 3 | £91k | 0.0% | 2017-06-29 |
| DSFS c/o Chesterfield Royal Hospital | Other | 3 | £89k | 0.0% | 2023-03-24 |
| NHS Arden and GEM CSU | Other | 1 | £87k | 0.0% | 2022-03-02 |
| BISHOP WILKINSON CATHOLIC EDUCATION TRUSTNew | Other | 1 | £82k | 0.0% | 2025-08-08 |
| THE PENNINE ACUTE HOSPITAL N H S TRUST | Other | 1 | £80k | 0.0% | 2016-10-28 |
| Competition and Markets Authority | Other | 1 | £77k | 0.0% | 2022-03-01 |
| Essex Police, Fire and Crime Commissioner Fire and Rescue Authority | Other | 1 | £75k | 0.0% | 2022-09-29 |
| Dorset & Wiltshire Fire and Rescue Service | Other | 1 | £73k | 0.0% | 2021-09-24 |
| TRINITY HOUSE | Other | 1 | £68k | 0.0% | 2021-05-14 |
| Ministry of Justice | Other | 1 | £66k | 0.0% | 2024-03-19 |
| Tameside College | Other | 1 | £66k | 0.0% | 2019-01-24 |
| City of Portsmouth CollegeNew | Other | 1 | £60k | 0.0% | 2025-04-10 |
| Frederick Gough School | Other | 1 | £56k | 0.0% | 2018-05-30 |
| Nottingham City Council | Other | 3 | £55k | 0.0% | 2024-01-22 |
| MHRA | Other | 1 | £52k | 0.0% | 2020-10-16 |
| COLLEGE OF POLICING LIMITED | Other | 1 | £50k | 0.0% | 2020-07-23 |
| Derbyshire Support and Facilities Services Lts | Other | 1 | £43k | 0.0% | 2022-03-24 |
| South Yorkshire Pensions Authority | Other | 2 | £42k | 0.0% | 2024-05-17 |
| Birmingham City Council | Other | 2 | £42k | 0.0% | 2020-11-20 |
| NCG Corporation | Other | 1 | £40k | 0.0% | 2021-03-02 |
| Doncaster College | Other | 1 | £39k | 0.0% | 2018-08-07 |
| UNIVERSITY OF SOUTHAMPTON | Other | 3 | £33k | 0.0% | 2023-12-14 |
| LEEDS TRINITY UNIVERSITY | Other | 1 | £28k | 0.0% | 2023-04-26 |
| Hertfordshire NHS Procurement | Other | 1 | £27k | 0.0% | 2017-03-31 |
| Darlington College | Other | 2 | £20k | 0.0% | 2020-07-23 |
| Macclesfield College | Other | 1 | £20k | 0.0% | 2020-07-06 |
| NHS SOUTH, CENTRAL AND WEST COMMISSIONING SUPPORT UNIT | Other | 1 | £20k | 0.0% | 2023-03-29 |
| Barnsley Metropolitan Borough Council | Other | 1 | £15k | 0.0% | 2017-06-23 |
| South Devon College | Other | 1 | £13k | 0.0% | 2017-06-21 |
| THE WOMEN'S ORGANISATION | Other | 1 | £12k | 0.0% | 2022-06-30 |
| HS2 | Other | 2 | £11k | 0.0% | 2023-03-20 |
| ATAMIS LTD | Other | 1 | £11k | 0.0% | 2022-01-27 |
| Government Legal DepartmentNew | Other | 1 | £10k | 0.0% | 2024-08-31 |
| B F I | Other | 2 | £4k | 0.0% | 2020-03-05 |
| Procurement Services - Lifecycle on behalf of COMMERCIAL SERVICES KENT LIMITEDNew | Other | 1 | £0k | 0.0% | 2024-07-31 |
| UNIVERSITY OF HULL | Other | 1 | £0k | 0.0% | 2022-05-12 |
| Chesterfield College | Other | 1 | £0k | 0.0% | 2019-09-30 |
| The Windsor Forest Colleges Group | Other | 1 | £0k | 0.0% | 2019-06-04 |
| London Universities Purchasing Consortium | Other | 3 | £0k | 0.0% | 2017-08-28 |
| North Lindsey College | Other | 1 | £0k | 0.0% | 2016-11-30 |
| Tenet Education Services Ltd | Other | 1 | £0k | 0.0% | 2016-09-20 |
| Stopsley High school | Other | 1 | £0k | 0.0% | 2016-09-19 |
| NEUPC Ltd | Other | 1 | £0k | 0.0% | 2016-04-09 |
| Leeds and York Partnership NHS Foundation Trust, trading as North of England NHS Commercial Procurement Collaborative ("NOE CPC") | Other | 4 | £0k | 0.0% | |
| National Procurement Service (Welsh Government) | Other | 1 | £0k | 0.0% | |
| NHS SHARED BUSINESS SERVICES LIMITED | Other | 3 | £0k | 0.0% | |
| Knowsley Council | Other | 1 | £0k | 0.0% | |
| Welsh Government | Other | 1 | £0k | 0.0% | |
| Milton Keynes College | Other | 1 | £0k | 0.0% | |
| UNIVERSITY OF EXETER | Other | 2 | £0k | 0.0% | |
| Secretary of State for Health and Social Care acting as part of the Crown through UK Health Security Agency | Other | 1 | £0k | 0.0% | |