| Company | Headquarters / Registered Office | Nature of Business | Rank | Map |
| CONTROL SECURITY LIMITED |
410-420 RAYNERS LANE PINNER MIDDLESEX HA5 5DY |
7460 - Investigation & security |
0.0386 | |
| FIRST TRUST SECURITY LIMITED |
3 OLD LODGE WAY STANMORE MIDDLESEX HA7 3AR |
0.0323 | ||
| SURELOCK INTERNATIONAL LTD |
47 HILL ROAD PINNER MIDDLESEX HA5 1LB |
7460 - Investigation & security |
0.0302 | |
| PARKING & SECURITY SERVICES LIMITED |
212 LONG ELMES HARROW MIDDX HA3 6LG |
7460 - Investigation & security 7487 - Other business activities |
0.028 | |
| VYBORG LIMITED |
28 ELM DRIVE HARROW MIDDLESEX UNITED KINGDOM HA2 7BS |
7460 - Investigation & security 7487 - Other business activities |
0.0272 | |
| SECURITY ELECTRONIC SYSTEMS LIMITED |
c/o TG ASSOCIATES MONUMENT HOUSE 215 MARSH ROAD PINNER MIDDLESEX ENGLAND HA5 5NE |
7460 - Investigation & security |
0.0271 | |
| FRAUDSTOP UK LIMITED |
21 HAIG ROAD STANMORE MIDDLESEX HA7 4ER |
0.0223 | ||
| SIA SURVEILLANCE LIMITED |
21 ELLEMENT CLOSE PINNER MIDDLESEX HA5 1EP |
7460 - Investigation & security |
0.0179 | |
| COBBAN & CO LIMITED |
ELM PARK HOUSE, ELM PARK COURT PINNER MIDDLESEX HA5 3NN |
7460 - Investigation & security |
0.0161 | |
| PSI FIRE & SECURITY (SOUTH) LTD |
YORK HOUSE 347-353A STATION ROAD HARROW MIDDLESEX HA1 1LN |
7460 - Investigation & security |
0.0159 | |
| FLEX VENTURES LIMITED |
267A STATION ROAD HARROW MIDDLESEX HA1 2TB |
0.0143 | ||
| SIGHTLOGIX UK LTD |
3 OLD LODGE WAY STANMORE MIDDLESEX UNITED KINGDOM HA7 3AR |
7460 - Investigation & security |
0.0126 | |
| A2Z TRADERS LIMITED |
55 BURNT OAK BROADWAY EDGWARE MIDDLESEX ENGLAND HA8 5ES |
0.0088 | ||
| SURELOCK ASSET MANAGEMENT LIMITED |
47 HILL ROAD PINNER MIDDLESEX HA5 1LB |
7460 - Investigation & security |
0 | |
| A.M. RESEARCH LIMITED |
2 JARDINE HOUSE THE HARROVIAN BUSINESS VILLAGE BESSBOROUGH ROAD HARROW MIDDLESEX HA1 3EX |
0 | ||
| INTERNET INVESTIGATIONS LIMITED |
47 HILL ROAD PINNER MIDDLESEX UNITED KINGDOM HA5 1LB |
7460 - Investigation & security |
0 | |
| ASSIST TECHNOLOGIES LTD |
3 OLD LODGE WAY STANMORE MIDDLESEX HA7 3AR |
0 | ||
| SDL SECURITY LTD |
52 HIGH STREET PINNER MIDDX HA5 5PW |
4531 - Installation electrical wiring etc. 7460 - Investigation & security |
0 | |
| LOWER SPENDING SOLUTIONS LIMITED |
THE STUDIO 22 VERNON DRIVE STANMORE MIDDLESEX ENGLAND HA7 2BT |
7460 - Investigation & security |
0 | |
| SHEQIB SECURITY LIMITED |
19 RAVENSCOURT CRESCENT HARROW MIDDX HA2 9LJ |
7460 - Investigation & security |
0 | |
| FREEMIUM IT LIMITED |
410-420 RAYNERS LANE PINNER MIDDLESEX UNITED KINGDOM HA5 5DY |
7460 - Investigation & security |
0 | |
| KNIGHT HAWK LIMITED |
13 NIBTHGATE ROAD HARROW HA1 1TB |
7460 - Investigation & security |
0 | |
| J & C INVESTIGATIONS LIMITED |
c/o BLANDFORDS & CO 284 STATION ROAD HARROW MIDDX ENGLAND HA1 2EA |
7460 - Investigation & security |
0 | |
| M & J RADFORD LIMITED |
67 WEST STREET HARROW ON THE HILL MIDDLESEX UNITED KINGDOM HA1 3EL |
7460 - Investigation & security |
0 | |
| THE HEATHROW GROUP OF COMPANIES LIMITED |
505 PINNER ROAD HARROW MIDDLESEX UNITED KINGDOM HA2 6EH |
7460 - Investigation & security |
0 |
| Level 1 |
Administrative and support service activities |
| Level 2 |
Security and investigation activities |
| Level 5 |
Private security activities |