| Company | Headquarters / Registered Office | Nature of Business | Rank | Map |
| CAPITA CUSTOMER MANAGEMENT LIMITED |
17 ROCHESTER ROW LONDON UNITED KINGDOM SW1P 1QT |
0.0459 | ||
| PGS GEOPHYSICAL (ANGOLA) LTD. |
4 THE HEIGHTS BROOKLANDS WEYBRIDGE SURREY KT13 0NY |
1120 - Services to oil and gas extraction 7230 - Data processing |
0.045 | |
| HYBRID BUSINESS SOLUTIONS LIMITED |
2 DRAYTON ROAD EALING W13 0LD |
0.0448 | ||
| CEDAR SOFTWARE SOLUTIONS LTD |
18 LANSDOWNE ROAD FELIXSTOWE SUFFOLK IP11 9HG |
7222 - Other software consultancy and supply 7240 - Data base activities |
0.0444 | |
| DIRECT TANK SERVICES LIMITED |
BRIDGE END HOUSE ALSTON CUMBRIA CA9 3BJ |
4521 - General construction & civil engineering 5212 - Other retail non-specialised stores 7240 - Data base activities |
0.0444 | |
| CIRIO PUBLISHING SERVICES LIMITED |
VIBARI WILDGROUND LANE HYTHE SOUTHAMPTON HAMPSHIRE SO45 4HJ |
0.0442 | ||
| TRAFALGAR MANAGEMENT SERVICES LIMITED |
15 GROSVENOR PLACE LONDON SW1X 7HH |
7222 - Other software consultancy and supply 7230 - Data processing |
0.0442 | |
| NIMISHA AND MUKESH CONSULTANTS LIMITED |
112 BELMONT ROAD WEALDSTONE HARROW MIDDLESEX HA3 7PP |
7210 - Hardware consultancy 7222 - Other software consultancy and supply 7240 - Data base activities |
0.0442 | |
| HAVAS EHS DISCOVERY LIMITED |
PHOENIX WAY CIRENCESTER GLOS GL7 1RY |
0.0442 | ||
| UNISYS LIMITED |
HERTFORD HOUSE HERTFORD PLACE MAPLE CROSS RICKMANSWORTH HERTFORDSHIRE ENGLAND WD3 9AB |
7222 - Other software consultancy and supply 7230 - Data processing 7250 - Maintenance office & computing machinery 7260 - Other computer related activities |
0.0442 | |
| ABACUS DATA SERVICES (UK) LIMITED |
ABACUS HOUSE, 122 WOLVERTON ROAD NEWPORT PAGNELL BUCKINGHAMSHIRE MK16 8JQ |
0.0442 | ||
| ECCTIS LIMITED |
ORIEL HOUSE ORIEL ROAD CHELTENHAM GLOUCESTERSHIRE GL50 1XP |
0.0442 | ||
| CODEC FACILITIES LTD. |
C/O FOLKES WORTON & WOUD 56-58A WARWICK ROAD KENILWORTH WARWICKSHIRE CV8 1HH |
0.0442 | ||
| INSECT LTD |
THE APPLE BARN LANGLEY PARK SUTTON ROAD MAIDSTONE KENT ENGLAND ME17 3NQ |
7222 - Other software consultancy and supply 7240 - Data base activities 7260 - Other computer related activities |
0.0441 | |
| MCKESSON INFORMATION SOLUTIONS UK LIMITED |
EUROPEAN HEADQUARTERS WARWICK TECHNOLOGY PARK WARWICK WARWICKSHIRE CV34 6NZ |
7221 - Software publishing 7230 - Data processing 7260 - Other computer related activities |
0.044 | |
| KADENCE INTERNATIONAL LIMITED |
6TH FLOOR CARLTON HOUSE CARLTON DRIVE LONDON SW15 2BS |
7230 - Data processing 7413 - Market research, opinion polling |
0.044 | |
| DATAPHARM COMMUNICATIONS LIMITED |
STOCKS HOUSE 9 NORTH STREET LEATHERHEAD KT22 7AX |
0.044 | ||
| ADMAR SUPPORT SERVICES LIMITED |
EXCEL HOUSE MILLBROOK LANE, WRAGBY MARKET RASEN LINCOLNSHIRE LN8 5AB |
0.044 | ||
| VERNDALE SYSTEMS LIMITED |
9 OVERDALE ROAD NEWTOWN, DISLEY STOCKPORT CHESHIRE UNITED KINGDOM SK12 2RJ |
7221 - Software publishing 7222 - Other software consultancy and supply 7240 - Data base activities 7260 - Other computer related activities |
0.044 | |
| DATA LIBERATION LIMITED |
3RD FLOOR INTEGRA HOUSE 138/140 ALEXANDRA ROAD WIMBLEDON LONDON SW19 7JY |
0.044 | ||
| ARK GEOPHYSICS LTD. |
NEWTON HOUSE CAMBRIDGE BUSINESS PARK COWLEY ROAD CAMBRIDGE CAMBRIDGESHIRE CB4 0WZ |
0.044 | ||
| WINDOWMAKER SOFTWARE LIMITED |
MEADWAY HOUSE 17 BRIGHTON ROAD SURBITON SURREY KT6 5LR |
7221 - Software publishing 7222 - Other software consultancy and supply 7240 - Data base activities 7310 - R & D on nat sciences & engineering |
0.0439 | |
| REBUS SOFTWARE LIMITED |
PEOPLEBUILDING 2 PEOPLEBUILDING ESTATE MAYLANDS AVENUE HEMEL HEMPSTEAD HERTS HP2 4NW |
7230 - Data processing |
0.0439 | |
| SPECTRUM GEO LIMITED |
c/o PEACHEY & CO LLP 95 ALDWYCH LONDON UNITED KINGDOM WC2B 4JF |
1110 - Extraction of petroleum & natural gas 1120 - Services to oil and gas extraction 7230 - Data processing |
0.0439 | |
| GATTON PARK LIMITED |
24 HILLDOWN ROAD STREATHAM LONDON SW16 3DZ |
0.0439 | ||
| INTERACTIVE TRANSACTION SOLUTIONS LIMITED |
LANGSTONE TECHNOLOGY PARK LANGSTONE ROAD HAVANT HAMPSHIRE UNITED KINGDOM PO9 1SA |
0.0439 | ||
| REIDMARK LIMITED |
c/o HAINES WATTS CHARTERED ACCOUNTANTS 3RD FLOOR PACIFIC CHAMBERS 11 - 13 VICTORIA STREET LIVERPOOL UNITED KINGDOM L2 5QQ |
7230 - Data processing 7414 - Business & management consultancy 7487 - Other business activities |
0.0439 | |
| IPEC DEVELOPMENTS LIMITED |
VINTNERS PLACE 68 UPPER THAMES STREET LONDON EC4V 3BJ |
0.0439 | ||
| KOGNITIO LIMITED |
3A WATERSIDE PARK COOKHAM ROAD BRACKNELL BERKSHIRE RG12 1RB |
7240 - Data base activities 7260 - Other computer related activities |
0.0439 | |
| GARTNER U.K. LIMITED |
TAMESIS THE GLANTY EGHAM SURREY TW20 9AW |
0.0439 | ||
| TIMEWISE LIMITED |
246 HIGH ROAD HARROW WEALD MIDDLESEX HA3 7BB |
7230 - Data processing 7412 - Accounting, auditing; tax consult |
0.0439 | |
| LYNNDATA LIMITED |
28 RAGLAN ROAD BISHOPSTON BRISTOL BS7 8EH |
7222 - Other software consultancy and supply 7240 - Data base activities 7260 - Other computer related activities 7430 - Technical testing and analysis |
0.0439 | |
| DPTS LIMITED |
UNIT 10 CRAYFIELDS INDUSTRIAL PARK, MAIN ROAD ST PAULS CRAY ORPINGTON KENT ENGLAND BR5 3HP |
0.0439 | ||
| TELEFAX DATA SYSTEMS LIMITED |
2-4 ASH LANE RUSTINGTON WEST SUSSEX BN16 3BZ |
7240 - Data base activities 7499 - Non-trading company |
0.0439 | |
| JAL AVIONET EUROPE LIMITED |
6TH FLOOR 20 OLD BAILEY LONDON EC4M 7AN |
7210 - Hardware consultancy 7240 - Data base activities 7250 - Maintenance office & computing machinery |
0.0438 | |
| VALLDATA SERVICES LIMITED |
VALLDATA HOUSE HALIFAX ROAD BOWERHILL MELKSHAM WILTSHIRE SN12 6UB |
7230 - Data processing |
0.0438 | |
| TETRA ELECTRONICS LIMITED |
157 PARKSIDE DRIVE WATFORD HERTS WD17 3BA |
4531 - Installation electrical wiring etc. 7240 - Data base activities |
0.0438 | |
| CDR DESIGN LIMITED |
ECCLES HOUSE ECCLES LANE, HOPE HOPE VALLEY DERBYSHIRE S33 6RW |
4521 - General construction & civil engineering 7230 - Data processing |
0.0438 | |
| MERLINCO LIMITED |
TOWER BRIDGE BUSINESS CENTRE 46-48 EAST SMITHFIELD LONDON E1W 1AW |
7221 - Software publishing 7230 - Data processing |
0.0438 | |
| INTEGRA INFORMATION SYSTEMS LIMITED |
284 BRAMHALL LANE STOCKPORT CHESHIRE SK3 8TR |
7240 - Data base activities |
0.0438 | |
| PARDUS PARDUS LIMITED |
THE BARN THE GREEN, ASTON ROWANT WATLINGTON OXFORDSHIRE OX49 5ST |
7222 - Other software consultancy and supply 7230 - Data processing 7260 - Other computer related activities 7414 - Business & management consultancy |
0.0437 | |
| PRODUCTION ENGINEERING CONSULTATIVE SERVICES LIMITED |
MIDLAND HOUSE, 95 A THE GREEN WEDNESBURY WEST MIDLANDS WS10 8JP |
7230 - Data processing |
0.0437 | |
| MARRYAT READER (COMPUTER SERVICES) LIMITED |
62A KING HAROLDS WAY BEXLEYHEATH KENT DA7 5QZ |
7230 - Data processing |
0.0437 | |
| ORCHID DATA SYSTEMS LIMITED |
pobox CORBY ENTE CORBY ENTERPRISE CENTRE LONDON ROAD CORBY NORTHAMPTONSHIRE UNITED KINGDOM NN17 5EU |
0.0437 | ||
| DECISION INSIGHT INFORMATION GROUP (UK) LIMITED |
5 FLEET PLACE LONDON ENGLAND EC4M 7RD |
0.0437 | ||
| LEXCOM INFORMATION SYSTEMS LTD |
UNIT 5 NEW FIELDS BUSINESS PARK 2 STINSFORD ROAD POOLE DORSET BH17 0NF |
7221 - Software publishing 7222 - Other software consultancy and supply 7230 - Data processing |
0.0437 | |
| METROMAIL LIMITED |
ENBROOK PARK SANDGATE FOLKESTONE KENT CT20 3SE |
7240 - Data base activities 7482 - Packaging activities |
0.0437 | |
| PATOY LIMITED |
96 CALLANDER ROAD BROMLEY ROAD LONDON SE6 2QE |
6420 - Telecommunications 7221 - Software publishing 7240 - Data base activities 7420 - Architectural, technical consult |
0.0432 | |
| INTERNATIONAL FINANCIAL DATA SERVICES LIMITED |
I F D S HOUSE SAINT NICHOLAS LANE BASILDON ESSEX SS15 5FS |
7230 - Data processing 7260 - Other computer related activities |
0.043 | |
| LITTLE DRAGON SOFTWARE LTD. |
6 POUND CLOSE LEDBURY HEREFORDSHIRE ENGLAND HR8 2SU |
0.0352 |
| Level 1 |
Information and communication |
| Level 2 |
Information service activities |
| Level 3 |
Data processing, hosting and related activities; web portals |
| Level 5 |
Data processing, hosting and related activities |