Company Index
- J and S Marine Ltd - Barnstaple
- J and T Systems Ltd - Southampton
- J Computer Logic Ltd - Hereford
- J Darbyshire and Son Ltd - Poulton le Fylde
- J-Cubed Ltd - Bournemouth
- JAB Web Solutions - Cardiff
- JAC2 Consultancy - Warrington
- Jacarta Ltd - Marlborough
- Jack Roe (CS) Ltd - Ross on Wye
- Jackson Kent Associates - St Albans
- JacSoftware - Cork
- Jade Communications Ltd - Newton le Willows
- Jade Integration Ltd - Newcastle upon Tyne
- James Bell and Sons Ltd - Hamilton
- James Fortune Associates - Purley
- James Hutton (Pressings) Ltd - Birmingham
- Janikin-Rooke - London
- Janus Computers (UK) Ltd - Monmouth
- Japhlin Computer Repairs - Stafford
- Jardine and Associates Ltd - East Kilbride
- Jarvis Tech Ltd - Heathfield
- Javalin Network Services Ltd - Chelmsford
- Javlin Ltd - Reading
- Jaycee's Computer Centre - Elgin
- Jazar (UK) Ltd - London
- JazCott - Seaton
- Jazz Creative Design - Warrington
- Jazzy IT - London
- JB Marketing and Consultancy - Derby
- JBC Computers Ltd - Coventry
- JC Computer Services - Cambridge
- JCS - Guernsey
- JCS Computing Ltd - Northampton
- JD Photo-Tools - Oldham
- JD Systems Integration Ltd - Falkirk
- Jefferson Engineering Services Ltd - Ashford
- Jefferson Maguire - Fareham
- Jelly WebDesigns and Hosting Solutions - Plymouth
- Jellyfish - Reigate
- Jencol Recruitment Ltd - Derby
- Jennic Ltd - Sheffield
- Jennings Computers - Bradford
- Jenrick Engineering Ltd - Camberley
- Jenrick Recruitment Group - Walton on Thames
- Jensen Control and Robotics Engineering Ltd - Bedford
- Jentech Computers Ltd - Bridgnorth
- Jeremy Suiter - IT Consultant - Wembley
- JGC Computer Installations - Woking
- Jigsaw Systems Ltd - Nottingham
- Jigsaw Training and Consultancy Services Ltd - Hounslow
- Jim Dunleavy - Bishops Stortford
- JK Computer Solutions - Kings Lynn
- JK Control Systems Ltd - Penryn
- JNC Solutions Ltd - Birmingham
- Jobshop Manufacturing Systems Ltd - Leicester
- John Ford Recruitment Ltd - Barnet
- John Gocher Computing - Guernsey
- John P Legge Computer Services - Redditch
- Jonas Consulting Ltd - Beckenham
- Jotika Midlands Software Ltd - Worcester
- JP Computer Services - Sutton in Ashfield
- JP McCool - Dungannon
- JP Power Solutions Ltd - Southampton
- JP Systems - March
- JPJ Business Services - Liverpool
- JPJ Computers - Reading
- JPM Associates - Shoreham by Sea
- JPY Ltd - Surbiton
- JR Pridham Services Ltd - Reading
- JR Websites Ltd - Cardiff
- JRAH - Sheffield
- JS Network Solutions - Harlow
- JSR Computers - Coleraine
- JTcommunications - Nottingham
- Jungle Recruitment Ltd - Spalding
- Jupiter Systems Ltd - Godalming
- Just Film - Kings Langley
- Just New Media - Burton on Trent
- Justice Laboratory Software - Cupar
- Justmac - Clydebank
- JVF Systems Ltd - Leicester
- JW Boyling Group Ltd - Barnsley
- JW Cooper UK Ltd - Minehead
- JW Hardy Communications - Birmingham
