| Accenture | Ford | Office for National Statistics |
| Addo Food Group | Freesat (UK) Limited | Oracle Corporation UK |
| ADI Group | Freshfields Bruckhaus Deringer | Orbit Group Ltd |
| AEGON (UK) | Fujitsu | Paragon Banking Group |
| Aldi UK & Ireland | Futures Housing Group | Pearson |
| Allianz (UK) | Gamesys Group | Pennon Group |
| Amazon | General Medical Council | Pfizer |
| Amey | GENERAL MILLS UK LIMITED | Phoenix Group |
| Anglian Water Group | Gilbert-Ash Limited | PIMCO Europe |
| Anglo American | Glasgow Caledonian University | Pinsent Masons LLP |
| Arm | GlaxoSmithKline | Premier Oil |
| Arup | Glenmorangie Company | Principality Building Society |
| ASDA Stores Ltd | Google | Project One Consulting Limited |
| Associated British Foods | Graham | Prowrap Group - Wrapex Ltd / Procare UK Ltd |
| Association of Accounting Technicians | Grant Thornton | PwC |
| Assurant | Greggs | Reckitt Benckiser |
| AstraZeneca | Gresham Technologies plc | Recycling Lives Limited |
| Audit Scotland | Greys Matter Ltd | Reward Gateway |
| Avara Foods | Ground Control | RHA Wales |
| AVIVA PLC | Gymshark Limited | Ricardo |
| AWE | Hachette UK | Ricoh UK |
| AXIS Capital Holdings | Heathrow Airport Limited | Roche Products Ltd |
| Bain & Company | Henry Boot plc | Rolls-Royce |
| Bank of America | Herbalife Nutrition | Royal London Group |
| Baringa Partners | Heron Bros Ltd | ROYAL MAIL GROUP LIMITED |
| BASF plc | Higgs & Sons Solicitors | Salesforce.com |
| BBC | High Speed 2 Limited | Samworth Brothers (Holdings) |
| BCS Consulting | Hiscox UK | Santander UK |
| Beaverbrooks the Jewellers | HM Revenue and Customs | ScotRail |
| Bentley Motors Limited | Hodge Group | Scottish Qualifications Authority |
| Bettys & Taylors Group Ltd | Hogan Lovells International LLP | Scottish Water |
| BigChange | Home Instead Senior Care | Secure Trust Bank |
| Biomet UK Ltd | Homeserve PLC | Sedgwick |
| Birmingham City Council | Houses of Parliament Restoration and Renewal | Senedd Cymru |
| Blackpool Football Club Ltd | HSB Engineering Insurance | Severn Trent |
| Blaser Mills LLP | HSBC Bank | Shakespeare Martineau LLP |
| Bluestone National Park Resort | Huddersfield Business School, University of Huddersfield | Shell UK |
| BMG Music Publishing | IBM UK | Shoosmiths LLP |
| BNP Paribas | Iceland Foods Ltd. | SHS Group Ltd |
| Bowmer & Kirkland | Innovate Trust | Siemens PLC |
| bp | InterContinental Hotels Group | Sky |
| British Airways | Irwin Mitchell | Societe Generale |
| British Land | ISS UK | Sodexo |
| Brother Industries UK (Wales) | J Sainsbury | South Wales Police |
| Browne Jacobson LLP | J. Murphy & Sons Limited | Sport England |
| Bupa | Jacobs | SPTS Technologies |
| Burger King | Jaguar Land Rover | St James's Place |
| Burges Salmon | JC Decaux | St Modwen Properties |
| Burns Pet Nutrition Ltd | Jehu Group | Stantec |
| CalMac Ferries Ltd | JLL | Swansea Building Society |
| Calor Gas Ltd | Joseph Rowntree Foundation | TalkTalk Telecom Group plc |
| CanPack Group | JTI | TAQA Bratani Limited |
| Capita Group | Keenan Recycling Ltd | Teesside University |
| Capital One | Kier Group | Teneo |
| Capsticks Solicitors | Kingspan Group | TESCO PLC |
| Cardiff and Vale College | Knight Frank | Thales Group |
| Cardiff Business School | KPMG | Thames Water |
| Cardiff Metropolitan University | Landmarc Support Services Limited | The Co-operative |
| Castell Howell Foods | Leeds Building Society | The Crown Estate |
| Central England Co-operative | Legal & General Group Plc | The Eden Project |
| Centrica | LexisNexis Risk Solutions | The Go-Ahead Group |
| CHEP | Linc-Cymru Housing Association | The Midcounties Co-operative |
| Chevron U.K. Ltd | Lincolnshire Co-operative | The Scottish Salmon Company Ltd |
| Cisco | Linklaters | The Southern Co-op |
| CITIZEN Housing | Liverpool John Moores University | The University of Birmingham |
| City & Guilds Group | Liverpool Victoria General Insurance | Tideway |
| CityFibre | Livin Housing Ltd | Timpson Ltd |
| Cleone Foods | Lloyds Banking Group | TJX Europe (TK Maxx) |
| CMS Cameron McKenna Nabarro Olswang LLP | LNER | TLT LLP |
| Coleg y Cymoedd | Local Government and Social Care Ombudsman (LGO) | Toyota Motor Manufacturing (UK) |
| Columbia Threadneedle Investments | London Borough of Barking and Dagenham | TransUnion |
| Company Shop Group | London Stock Exchange Group | Trivallis Ltd |
| Cooley LLP | Longevity Partners | TSB Bank plc |
| Costain Group | L'Oreal Paris UK | UBS |
| Covéa Insurance | Manchester Airports Group | UK Greetings Ltd. |
| Coventry Building Society | Marks & Spencer | UK Power Networks |
| Crown Estate Scotland | Marsh | Unilever |
| Crown Workspace Limited | Mayborn Group | Unipart Group |
| DAC Beachcroft LLP | McCann Worldgroup | Unite Students |
| Deloitte LLP | McKinsey | United Utilities |
| Department for Transport | Mercer Limited | University of Hull, Faculty of Business, Law and Politics |
| Derwent London | Microsoft | University of Manchester |
| Development Bank of Wales | Monmouthshire Building Society | University of South Wales |
| Diageo | Morgan Stanley | University of Warwick |
| Direct Line Group | MTR Elizabeth line | Unum |
| Dixons Carphone | MVF Global | UPS Ltd |
| Dolmans Solicitors | MWH Treatment Ltd | V12 Retail Finance |
| Drax Group PLC | National Grid | Veolia |
| DWF LLP | Nationwide | Verizon UK Limited |
| Dwr Cymru Welsh Water | NATS | Vertex |
| East Midlands Railway | NatWest Group | Via East Midlands |
| EcoAct | NCC Group | Victrex plc |
| EDF Energy | Network Rail | VVB Engineering |
| Edrington-Beam Suntory UK Distribution Ltd | Network Recruitment Wales Ltd | Wales & West Utilities Ltd |
| Educ8 Training | Newcastle Building Society | Walgreens Boots Alliance |
| Efficiency North Holdings Ltd | Newcastle Business School | Walt Disney Company |
| Electricity North West Ltd | Nexba | Watts Truck & Van |
| EMCOR (UK) | Next PLC | Wesleyan Assurance Society |
| Emerald Group Publishing | NFU Mutual Insurance Co | Westmorland |
| Encirc | Nike (UK) | Whyte & MacKay |
| ENGIE SERVICES LIMITED | nmcn PLC | WildHearts |
| Enterprise Rent-A-Car | Noble Foods | Wincanton |
| Equinix | Nominet | WJ Group |
| Essentra PLC | North Star Housing Group | Wm. Morrison Supermarkets PLC |
| Eurovia UK Ltd | Northern Gas Networks | Worldline |
| Eversheds Sutherland | Northumbrian Water Group | Worley |
| Facebook Inc | Norton Rose Fulbright | WPP Group |
| Federated Hermes | Nottingham University Business School | Wright, Johnston & Mackenzie LLP |
| Financial Services Compensation Scheme | Novus Property Solutions | XPS Pensions Group |
| Finning Group (UK) | NPTC Group of Colleges | YMCA St Pauls Group |
| Fitch Ratings Ltd | NRS Healthcare | Yorkshire Building Society |
