| | C3 Princess of Wales Hospital, Coity Rd, BRIDGEND. CF31 1RQ | | | | | |
| | C3 Unit 3, The Oak Business Centre, Ratcliffe Rd, LOUGHBOROUGH. LE12 7PU | | | | | |
| | C3 90 Anerley Road, LONDON. SE19 2AN | | | | | |
| | C3 AMULET LIMITED 10 Ardross Street, INVERNESS. IV3 5NS | | | | | |
| | C3 BUSINESS SOLUTIONS LIMITED 225 London Road, BURGESS HILL. RH15 9QU | | | | | |
| | C3 C-CUBE LIMITED Synergy House, 3 Acorn Business Park, Commercial Gate, MANSFIELD. NG18 1EX | | | | | |
| | C3 CHIROPRACTIC CLINIC 223-225 Pantbach Road, CARDIFF. CF14 6AE | | | | | |
| | C3 CHIROPRACTIC CLINIC A, 1 Ridgeway Dr, NEWPORT. NP20 5AR | | | | | |
| | C3 COMPLIANCE LIMITED 2ND Floor, 145-157 St John Street, LONDON. EC1V 4PY | | | | | |
| | C3 CONSTRUCTION LIMITED 13 University Road, LEICESTER. LE1 7RA | | | | | |
| | C3 CONSULTANTS LIMITED C/O S F Brocklehurst & Co, Forest Lodge Forest Road, Pyrford, WOKING. GU22 8NA | | | | | |
| | C3 CONSULTING 2 The Hawthorns, Woodbridge Road, BIRMINGHAM. B13 9DY | | | | | |
| | C3 CONSULTING LIMITED 2 The Hawthorns, Off Woodbridge Road, Moseley, BIRMINGHAM. B13 9DY | | | | | |
| | C3 CONSULTING SERVICES LIMITED 21 High Green, Severn Stoke, WORCESTER. WR8 9JS | | | | | |
| | C3 CONTROLS LTD 1ST Floor Charlotte House, 10 Charlotte Street, MANCHESTER. M1 4EX | | | | | |
| | C3 CUSTOMER CARE CONSULTING LIMITED 31A High Street, CHESHAM. HP5 1BW | | | | | |
| | C3 CUSTOMER SOLUTIONS LTD C/O Red Hill House Hope Street, Saltney, CHESTER. CH4 8BU | | | | | |
| | C3 DESIGN LIMITED 134 Caldecott Road, ABINGDON. OX14 5EP | | | | | |
| | C3 ECONOMIC CONSULTING LIMITED 43 Parkland Road, WOODFORD GREEN. IG8 9AP | | | | | |
| | C3 ENGINEERING LIMITED 33 Bertie Ward Way, DEREHAM. NR19 1TE | | | | | |
| | C3 ENGINEERING LIMITED 33 Bertie Ward Way, Rashs Green Ind Est, DEREHAM. NR19 1TE | | | | | |
| | C3 ESTATES LIMITED 8 Wharfe Street, LEEDS. LS2 7EQ | | | | | |
| | C3 FINANCIAL SYSTEMS LIMITED 19 Harlequin Grove, FAREHAM. PO15 5AT | | | | | |
| | C3 FLOORING COMPANY LIMITED Units 27 & 28, 24 Old Jamaica Road, LONDON. SE16 4AW | | | | | |
| | C3 FLOORING COMPANY LIMITED Unit 27-28, Old Jamaica Business Estate, 24 Old Jamaica Road, LONDON. SE16 4AW | | | | | |
| | C3 HOLDING LTD. 95 Wilton Road, Suite, LONDON. SW1V 1BZ | | | | | |
| | C3 IMAGING Formby Business Park, 107 Altcar Road, Formby, LIVERPOOL. L37 8DL | | | | | |
| | C3 IMAGING 110-114 Duke Street, LIVERPOOL. L1 5AG | | | | | |
| | C3 IMAGING BRISTOL LIMITED 103 South Liberty Lane, Ashton Vale, BRISTOL. BS3 2SZ | | | | | |
| | C3 IMAGING CARDIFF LIMITED Unit 10, Stuart Cl, CARDIFF. CF11 8QF | | | | | |
| | C3 IMAGING CARDIFF LIMITED 2 Appin Rd Argyle Industrial, Estate Birkenhead, WIRRAL. CH41 9HH | | | | | |
| | C3 IMAGING COLCHESTER LTD Telford Way, Severalls Park, COLCHESTER. CO4 9QP | | | | | |
| | C3 IMAGING LIMITED 110-114 Duke Street, LIVERPOOL. L1 5AG | | | | | |
| | C3 IMAGING LONDON CITY LIMITED Lector Court, 153 Farringdon Road, LONDON. EC1R 3AF | | | | | |
| | C3 IMAGING LONDON CITY LIMITED Scriptor Ct, 153 Farringdon Rd, LONDON. EC1R 3AD | | | | | |
| | C3 IMAGING NOTTINGHAM LIMITED 110-114 Duke Street, LIVERPOOL. L1 5AG | | | | | |
| | C3 LTD B W Estates, Oldmixon Cr, WESTON-SUPER-MARE. BS24 9BA | | | | | |
| | C3 LTD St Johns Innovation Park, Cowley Road, CAMBRIDGE. CB4 0WS | | | | | |
| | C3 LTD A, 7 Park Pl, Ashton Keynes, SWINDON. SN6 6NT | | | | | |
| | C3 MANAGEMENT AND ECONOMIC CONSULTING LIMITED Anstey Park House, Anstey Road, ALTON. GU34 2RL | | | | | |
| | C3 MANAGEMENT LIMITED Cawley House, 149-155 Canal Street, NOTTINGHAM. NG1 7HR | | | | | |
| | C3 MODELS LTD Highfield Crundalls Lane, BEWDLEY. DY12 1ND | | | | | |
| | C3 NEWCASTLE LIMITED Watson Associates, A6 Kingfisher House, Kingsway Tvte, GATESHEAD. NE11 0JQ | | | | | |
| | C3 PRINT GROUP LIMITED C/O B W Holman & Co, 1ST Floor Suite Enterprise, House 10 Church Hill, LOUGHTON. IG10 1LE | | | | | |
| | C3 PRODS LTD 2ND Floor, 145-157 St John Street, LONDON. EC1V 4PY | | | | | |
| | C3 PROFESSIONAL SERVICES LIMITED Cawley House, 149-155 Canal Street, NOTTINGHAM. NG1 7HR | | | | | |
| | C3 RESOURCES LTD 6 Houndiscombe Road, PLYMOUTH. PL4 6HH | | | | | |
| | C3 RESOURCING LIMITED 9 Wellfield Gardens, CARSHALTON. SM5 4EA | | | | | |
| | C3 SERVICES LTD 19 Mountfield Drive, COLERAINE. BT52 1TW | | | | | |
| | C3 SHOP LIMITED 3 Forth Walk, Cumbernauld Town Centre, Cumbernauld, GLASGOW. G67 1BT | | | | | |
| | C3 SOFTWARE ENGINEERING LIMITED Burlington House, 40 Burlington Rise, East Barnet, BARNET. EN4 8NN | | | | | |
| | C3 SOLUTIONS LIMITED Suite 1, Armcon Business Park, London Road South, STOCKPORT. SK12 1LQ | | | | | |
| | C3 SYSTEMS 4 Richmond Bridge Mansions, Willoughby Rd, TWICKENHAM. TW1 2QJ | | | | | |
| | C3 SYSTEMS LIMITED C/O Myrus Smith Norman House, 8 Burnell Road, SUTTON. SM1 4BW | | | | | |
| | C3 TELECOM Bolney Place, Cowfold Road, Bolney, HAYWARDS HEATH. RH17 5QT | | | | | |
| | C3 TRADING LIMITED 159A London Road, Stoke, STOKE-ON-TRENT. ST4 7QE | | | | | |
| | C3 UK LIMITED 6 Portwrinkle Ave, COVENTRY. CV6 7NU | | | | | |
| | C3 WEB DESIGN 2, Princess Terrace, Princess Rd Pensilva, LISKEARD. PL14 5NF | | | | | |
| | C3. CLOTHING LTD 4 Horden Walk, Royton Hall Park, Royton, OLDHAM. OL2 6YQ | | | | | |
| | C310Q LIMITED Griffiths Court, 24-32 London Road, NEWBURY. RG14 1JX | | | | | |
| | C360 LTD Unit 10, Brooklands Way, Boldon Business Park, BOLDON COLLIERY. NE35 9LZ | | | | | |
| | C37 LIMITED 86 Ashburnham Road, Abington, NORTHAMPTON. NN1 4RA | | | | | |
| | C3C CONSULTING LTD Suite 72 Cariocca Business Park, 2 Sawley Road, MANCHESTER. M40 8BB | | | | | |
| | C3C LIMITED 6 Rigby Street, PRESTON. PR1 5XJ | | | | | |
| | C3HEALTHSOLUTIONS LIMITED 72 South Gyle Wynd, EDINBURGH. EH12 9HJ | | | | | |
| | C3I EUROPE LIMITED 33 Chester Road West, Queensferry, DEESIDE. CH5 1SA | | | | | |
| | C3I LIMITED Room G5 Media Centre, 7 Northumberland Street, HUDDERSFIELD. HD1 1RL | | | | | |
| | C3IA SOLUTIONS LIMITED Wistaria, Kingston St Mary, TAUNTON. TA2 8HH | | | | | |
| | C3IMAGING LIVERPOOL LIMITED 110-114 Duke Street, LIVERPOOL. L1 5AG | | | | | |
| | C3IMAGING NEWCASTLE LIMITED Backnewbridge St, NEWCASTLE UPON TYNE. NE1 2TY | | | | | |
| | C3IT SOFTWARE SOLUTIONS LTD Esplanade Hotel, 27-29 Marine Parade East, CLACTON-ON-SEA. CO15 1UU | | | | | |
| | C3M LIMITED 69 Great Hampton Street, BIRMINGHAM. B18 6EW | | | | | |
| | C3M SYSTEMS LIMITED 11 New Street, Pontnewydd, CWMBRAN. NP44 1EE | | | | | |
| | C3ME PUBLISHING LIMITED 2ND Floor, 145-157 St John Street, LONDON. EC1V 4PY | | | | | |
| | C3ME RECORDS LIMITED 2ND Floor, 145-157 St John Street, LONDON. EC1V 4PY | | | | | |
| | C3O LIMITED The Water Mill, Broughton Hall Business Park, Broughton, SKIPTON. BD23 3AG | | | | | |
| | C3PO ACCOUNTING SERVICES LIMITED 34A Hosack Road, LONDON. SW17 7QP | | | | | |
| | C3PO BUSINESS SERVICES LIMITED 145 Ashburton Avenue, ILFORD. IG3 9EW | | | | | |
| | C3PO DESIGN SERVICES LIMITED 1ST Floor Castlewood House, 77-91 New Oxford Street, LONDON. WC1A 1DG | | | | | |
| | C3RDS The Coach House, HEREFORD. HR2 6LJ | | | | | |
| | C3RDS LTD. 2 Statham Court Statham Street, MACCLESFIELD. SK11 6XN | | | | | |
| | C3S GROUP PLC Canal Mills, Elland Bridge, ELLAND. HX5 0SQ | | | | | |
| | C3S LIMITED Glenury House, 9 Dunottar Avenue, Eaglescliffe, STOCKTON-ON-TEES. TS16 0AB | | | | | |
| | C3S PROJECTS LIMITED Canal Mills, Elland Bridge, ELLAND. HX5 0SQ | | | | | |
| | C3S SECURIGLASS , ELLAND. HX5 0SQ | | | | | |
| | C3S SECURIGLASS LIMITED Canal Mills, Elland Bridge, ELLAND. HX5 0SQ | | | | | |
| | C3S SECURITY SYSTEMS LIMITED Canal Mills Elland Bridge, ELLAND. HX5 0SQ | | | | | |
| | C3UBE LIMITED 38 Arthur Deakin House, Hunton Street, LONDON. E1 5HF | | | | | |