By city
Birmingham 6London 5Peterborough 3Cardiff 3Sheffield 3Newcastle upon Tyne 2Norwich 2Southampton 2Manchester 2Northampton 2Bristol 2Coventry 2York 2Glasgow 2Leeds 2Liverpool 2Warrington 1Swindon 1Belfast 1Bradford 1Edinburgh 1Hull 1Preston 1Plymouth 1
| Name | Category | Address | City | Opening times |
|---|---|---|---|---|
| Crystal Health Group Sheffield | Paternity testing service | 6 Heritage Court, Rotherham Rd | Sheffield | Mon–Fri 09:00–17:00 |
| Crystal Health Group – DNA, Drug and Alcohol Testing Bristol | Drug testing service | Castlemead, Lower Castle St, Castlemead | Bristol | Fri 09:00–17:00 |
| Crystal Health Group – DNA, Drug and Alcohol Testing Leeds | Drug testing service | 3, City West Business Park, Gelderd Rd | Leeds | Tue 09:00–17:00 |
| DNA, Drug & Alcohol Testing - AlphaBiolabs Birmingham | Paternity testing service | Primary Care Centre, Soho Rd | Birmingham | Mon–Thu 08:30–17:30 |
| DNA, Drug & Alcohol Testing - AlphaBiolabs Manchester | Drug testing service | 10 St John St | Manchester | Mon–Thu 08:30–17:30 |
| Express Medicals Plc | Occupational health service | The Pentagon Centre, 36 Washington St | Glasgow | Mon–Fri 09:00–16:00 |
| Express Medicals Plc | Occupational health service | 58 Breckfield Rd S | Liverpool | Mon–Fri 09:00–16:00 |
| Express Medicals Plc | Occupational health service | Gresley House, Ten Pound Walk | Doncaster | Mon–Fri 09:00–16:00 |
| Express Medicals Plc | Occupational health service | Revive Healthy Living Centre, Roe Farm Ln | Derby | Mon 09:00–16:00 |
| Express Medicals Plc | Occupational health service | Regus, APEX HOUSE, Calthorpe Rd | Birmingham | Thu–Fri 09:00–16:00 |
| Express Medicals Plc | Occupational health service | Gloucester House, 399 Silbury Blvd | Milton Keynes | Mon–Fri 09:00–16:00 |
| Express Medicals Plc | Occupational health service | Regus, City West Business Park, Building 3 Gelderd Rd | Leeds | Mon 09:00–16:00 |
| Express Medicals Plc | Occupational health service | Merlin House, Bizspace, Brunel Rd | Reading | Mon–Fri 09:00–16:00 |
| Midland Medical Group Birmingham | Drug testing service | 15 Highfield Rd | Birmingham | Mon–Tue 08:00–20:00 |
| Midland Medical Group Coventry | Drug testing service | Osteopathic & Sports Injury Clinic, 312A Charter Ave | Coventry | Thu Open 24 hours |
| Midland Medical Group Leicester | Drug testing service | 108 Queens Rd | Leicester | Daily 09:00–17:00 |
| Midland Medical Group Northampton | Drug testing service | 18 Harborough Rd | Northampton | Thu 09:00–17:00 |
| Midland Medical Group Peterborough PE1 | Medical certificate service | 50 Allen Rd | Peterborough | Thu 09:00–17:00 |
| Midland Medical Group Peterborough PE4 | Drug testing service | 34 Papyrus Rd | Peterborough | Daily 08:00–20:00 |
| Crystal Health Group DNA, Drug and Alcohol Clinic Swansea | Drug testing service | Treboeth Pharmacy, 697 Llangyfelach Road, Tre-boeth | Swansea | — |
| Anglia DNA Services | Drug testing service | 33, Scottow Enterprise Park | Norwich | Mon–Fri 08:30–17:00 |
| Drug Test London | Drug testing service | 76 Wimpole St | London | Mon–Fri 07:00–19:00 |
| TransformNow | Health consultant | 71 Vyse St | Birmingham | Mon 09:30–17:30 |
| DNA, Drug & Alcohol Testing - AlphaBiolabs Southampton | Drug testing service | George Curl Way | Southampton | Mon–Thu 08:30–17:30 |
| Express Medicals Plc | Occupational health service | Rotterdam House, 116 Quayside | Newcastle upon Tyne | Thu 09:00–16:00 |
| Crystal Health Group DNA, Drug and Alcohol Clinic Cambridge | Drug testing service | 102 Cherry Hinton Rd | Cambridge | — |
| Crystal Health Group DNA, Drug and Alcohol Testing Clinic Liverpool | Drug testing service | 301, Tea Factory, St Peter's Square, Fleet St | Liverpool | — |