| AECOM | Tower Hamlets, Chesterfield, Greater London | 3 | 137 |
| CCS Media | Chesterfield | 4 | 17 |
| Sense | London, Birmingham | 3 | 4 |
| Diversity Social Care | Leicester | 3 | 3 |
| Endorphins Group | Halifax, Bradford | 3 | 3 |
| Goldhill Play Association | Leicester | 3 | 3 |
| Keyline Civil Specialists | Nottingham, Glasgow | 3 | 3 |
| SVK Care | Leicester | 3 | 3 |
| Woodleigh Healthcare | Leicester | 3 | 3 |
| Lloyds Pharmacy | Coventry, Leicestershire | 2 | 15 |
| Targeted Provision | London | 2 | 6 |
| Age UK Leicester Shire & Rutland | Leicester | 2 | 2 |
| Exterior Lighting Solutions | Killingworth, North Tyneside | 2 | 2 |
| Stennetts | Cranleigh, Waverley | 2 | 2 |
| Summers Inman Construction & Property Consultants | Newcastle upon Tyne | 3 | 7 |
| Glebe House Charnwood | Loughborough | 3 | 3 |
| Colas | Crawley | 2 | 28 |
| Servelec Education | Norwich | 2 | 10 |
| Edenred UK Group | London | 2 | 11 |
| Sigma Pharmaceuticals | North Watford | 2 | 8 |
| Welfare Call Lac | Barnsley | 2 | 4 |
| Bituchem Building Products | Cinderford | 2 | 4 |
| Denham Procurement & Sourcing Solutions | Brixham | 2 | 2 |
| Reed Consultancy | Greater London | 2 | 2 |
| Charis Grants | Peterborough | 2 | 2 |
| Cid Group | Leeds | 2 | 2 |
| Effect Digital | Leicester | 2 | 2 |
| Forward Thinking Movement & Dance CIC | Melton Mowbray | 2 | 2 |
| Frith Resource Management | Bridgnorth | 2 | 2 |
| MK Executive Care Services | Milton Keynes | 2 | 2 |
| Nynas | Ellesmere Port | 2 | 2 |
| Puddys Vehicle Solutions | Highbridge | 2 | 2 |
| Insight Direct | Uxbridge | 1 | 121 |
| Phoenix Software | Pocklington | 1 | 93 |
| Reed Specialist Recruitment | Greater London | 1 | 33 |
| Savills | London | 1 | 30 |
| Gartner | Egham | 1 | 26 |
| British Telecommunications | London | 1 | 26 |
| Lyreco | Telford and Wrekin | 1 | 21 |
| Microsoft | Reading | 1 | 24 |
| Royal Mencap Society | London | 1 | 17 |
| Eurovia Infrastructure | | 1 | 15 |
| Royal Mail Group | London | 1 | 12 |
| Lloyds Bank | London | 1 | 10 |
| Amey OW | City of London | 1 | 13 |
| Galliford Try Infrastructure | Leices | 1 | 11 |
| Buro Happold | Bath | 1 | 9 |
| Direct Tyre Management | Skelmersdale | 1 | 8 |
| Castle Water | Blairgowrie | 1 | 8 |
| Icl UK Sales | Saltburn | 1 | 9 |
| Waterman Aspen | Chelmsford | 1 | 12 |
| Servelec Social Care | Sheffield | 1 | 8 |
| Parentpay | Bridgwater | 1 | 5 |
| Thomson Reuters Professional | London | 1 | 3 |
| Voyage Care | Lichfield | 1 | 3 |
| Matchtech Group | Winchester | 1 | 3 |
| William G Search | Leeds | 1 | 3 |
| Hitachi Solutions Europe | City of London | 1 | 3 |
| Scheidt & Bachmann | Chessington | 1 | 3 |
| Donald Ward | South Derbyshire | 1 | 2 |
| Macintyre | Milton Keynes | 1 | 2 |
| Modality Systems | St Albans | 1 | 2 |
| Oracle | Reading | 1 | 2 |
| Rodgers Leask | Derby | 1 | 2 |
| Tanwood Construction | Leicester | 1 | 3 |
| MK Executive Care | Milton Keynes | 1 | 2 |
| TCR Nottingham | Langley Mill | 1 | 2 |
| 3D&Co | Loughborough | 1 | 1 |
| Accredo Support & Development | Leicestershire | 1 | 1 |
| Achieve with Us | Leicestershire | 1 | 1 |
| Akhter Computer | Harlow | 1 | 1 |
| Allianz Engineering Inspection Services | Guildford | 1 | 1 |
| Apa Leicester | Kirby Muxloe | 1 | 1 |
| Apb Leicester | Leicester | 1 | 1 |
| Badabean | Boston | 1 | 1 |
| Barclaycard Payment Solutions | Northampton | 1 | 1 |
| Beaver Childcare | Charnwood | 1 | 1 |
| Billson Consulting | Nottingham | 1 | 1 |
| Bonney Care Agency | Leicester | 1 | 1 |
| Budworth Hardcastle | Kettering | 1 | 1 |
| Campercinno | Upton Nuneaton | 1 | 1 |
| Channel 20 20 | Leicester | 1 | 1 |
| Choices for Life | Coalville | 1 | 1 |
| Cid | Leeds | 1 | 1 |
| Clinicohealth | Leicestershire | 1 | 1 |
| Crowders Nurseries | Horncastle | 1 | 1 |
| CSM Leicester | Blaby | 1 | 1 |
| D H Community Support | Hinckley | 1 | 1 |
| Denham Procurement & Sourcing | Brixham | 1 | 1 |
| Dieselec Thistle Generators | Glasgow | 1 | 1 |
| Direct Care Services | Leicester | 1 | 1 |
| Direct Care Works | Leicester | 1 | 1 |
| Ditto Sustainability Rio | Islington | 1 | 1 |
| DT Gen A Brand of Dieselec Thistle Generators | Glasgow | 1 | 1 |
| Enable Care & Home Support | Coalville | 1 | 1 |
| Enrych | Coalville | 1 | 1 |
| Environmental Husbandry | Northampton | 1 | 1 |
| First Clas Tailored Solutions | Mansfield | 1 | 1 |
| First Class Tailored Solutions | Nottinghamshire | 1 | 1 |
| Freedom Active | Leicester | 1 | 1 |