Associated Detectives > Investigators in London South East
Tel: 0870 3215650 - 86 Southwark Bridge Road, London, SE1 0EX

Finlays Bureau of Investigation Ltd > Investigators in London South East
Tel: 020 87719511 - 54 Church Road, London, SE19 2EU

Investigation Research Bureau > Investigators in London North West
Tel: 020 73887109 - London, NW1 4EJ

London Detective PI > Investigators in London West
Tel: 0845 3736639 - Suite 401, Langham House, 302-308 Regent Street, London, W1B 3HH

London Security & Investigation Services > Investigators in London North
Tel: 020 72882200 - Aberdeen Ho Highbury Gro, London, N5 2EA

Londondetective.Net > Investigators in London West
Tel: 07010 716716 - Suite 401, Langham House, 302-308 Regent Street, London, W1B 3HH

National Investigation Group > Investigators in London South East
Tel: 020 79286317 - London, SE1 0EX

Profesional Investigation UK > Investigators in London West
Tel: 0870 8148358 - Suite 401, Langham House, 302-308 Regent Street, London, W1B 3HH

Profit Detectives > Investigators in London West
Tel: 020 89924594 - 6 West Ldg Av, London, W3 9SF

Grosvener Investigation > Investigators in Romford
Tel: 07000 447583 - 110 Chadwell Heath Lane, Romford, Essex, RM6 4AE

Grosvenor Investigation Services > Investigators in Romford
Tel: 07000 441583 - 11 Galsworthy Avenue, Romford, Essex, RM6 4PX

Siapps C Investigation & Security Services > Investigators in Hertford
Tel: 0800 1699354 - Broxbourne, Hertfordshire, EN10 7QQ

Factfinder Detective Bureau > Investigators in Kingston Upon Thames
Tel: 020 85609897 - Worton Hall Industrial Estate, Worton Road, Isleworth, Middlesex, TW7 6ER

J & C Investigation Bureau > Investigators in Uxbridge
Tel: 01895 438990 - Fairfield Ho Trout Rd, West Drayton, Middlesex, UB7 7RU

Building Investigation & Testing Services > Investigators in Redhill
Tel: 01737 765431 - Redhill, RH1 2NJ

Euro Inland Navigations > Investigators in Sutton
Tel: 020 82414482 - 1a Park Avenue, Mitcham, Surrey, CR4 2EQ

Accident Investigation Management (Yorkshire) Ltd. > Investigators in Kingston Upon Hull
Tel: 01482 781718 - Britannia House, 530-532 Holderness Road, Hull, North Humberside, HU9 3DT

Cambridge Detective Agency > Investigators in Cambridge
Tel: 01223 370009 - Sheraton Ho Castle Pk, Cambridge, Cambridgeshire, CB3 0AX

Police (Essex Police, Service Desks, Major Investigation Sections) > Investigators in Basildon
Tel: 01277 262220 - Rayleigh, Essex, SS6 7QB

A.1. Detective Agency > Investigators in Norwich
Tel: 01508 530448 - Ipswich Rd, Norwich, NR15 2II

Bastille Investigation Services > Investigators in Norwich
Tel: 01603 630040 - Norwich, Norfolk, NR3 4HP

Trust Investigations Ltd > Investigators in Milton Keynes
Tel: 0870 2851655 - Regus House Fairbourne Dv, Atterbury, Milton Keynes, MK10 9RG

Ground Investigation Services > Investigators in Oxford
Tel: 01235 521631 - 15 Bostock Road, Abingdon, Oxfordshire, OX14 1DP

Lazarus Investigation Bureau > Investigators in Maidenhead
Tel: 07010 716631 - 64 Westborough Road, Maidenhead, Berkshire, SL6 4AS

National Investigation Group > Investigators in Slough
Tel: 01753 709325 - Slough, Berkshire, SL1 4QZ

Ace Investigation Services > Investigators in Tilbury
Tel: 01474 834433 - P.O Box 89, Gravesend, DA13 9II

National Investigation Group > Investigators in Royal Tunbridge Wells
Tel: 01892 699325 - Tunbridge Wells, Kent, TN1 1LH

Compton Detective Agency > Investigators in Andover
Tel: 01264 335225 - 28 Foxcotte Road, Charlton, Andover, Hampshire, SP10 4AR

Marine Accident Investigation Branch > Investigators in Southampton
Tel: 023 80395500 - Carlton Ho Carlton Pl, Southampton, Hampshire, SO15 2DZ

National Investigation Group > Investigators in Salisbury
Tel: 01722 398325 - Salisbury, Wiltshire, SP2 7LD

National Investigation Group > Investigators in Bristol
Tel: 0117 9000325 - Bristol, Avon, BS1 5NU

National Investigation Group > Investigators in Bath
Tel: 029 20501325 - Bath, Avon, BA1 2PH

National Investigation Group > Investigators in Birmingham
Tel: 0121 6078325 - Birmingham, B4 6TF

ABL Investigation Bureau > Investigators in Kidderminster
Tel: 01562 515076 - Kidderminster, DY10 4II

Specialist Plant Investigation > Investigators in Mansfield
Tel: 01623 450038 - Intake Business Cntr Kirkland Av, Mansfield, Nottinghamshire, NG18 5QP

Rapid Investigations Ltd > Investigators in Wisbech
Tel: 0845 0510650 - Po Box 53, Wisbech, Cambridgeshire, PE13 2WX

1st Detective Agency > Investigators in Barnsley
Tel: 01226 206873 - 10 Regent Street, Barnsley, South Yorkshire, S70 2EJ

Manx Investigation Services > Investigators in Douglas
Tel: 01624 661490 - 30 Finch Road, Douglas, Isle Of Man, IM1 2PS

Manx Investigation & Security Services > Investigators in Douglas
Tel: 07624 496065 - Douglas, Isle Of Man, IM1 2PP

Cove Bay Detective Services > Investigators in Aberdeen
Tel: 01224 871046 - 103 Earns Heugh Circle, Cove Bay, Aberdeen, Aberdeenshire, AB12 3RW

Buildings Investigation Centre > Investigators in Edinburgh
Tel: 0131 6675034 - 5 Melville Terrace, Edinburgh, EH9 1ND

NHS Fraud Investigation Unit-Family Health Services > Investigators in Edinburgh
Tel: 0800 0151628 - Edinburgh, EH7 5II

Diamond Investigation > Investigators in Glasgow North
Tel: 0141 2042000 - 16 Newton Terrace, Glasgow, G3 7PJ

Caledonian Investigation Agency > Investigators in Belfast
Tel: 028 90530160 - Unit A11, Dundonald Enterprise Park, Carrowreagh Road, Dundonald, Belfast, County Antrim, BT16 1QT

Investigation & Collection Agency > Investigators in Armagh
Tel: 028 38393156 - 44 Wentworth Gn, Portadown, Craigavon, County Armagh, BT62 3WG

Investigation Recovery > Investigators in Motherwell
Tel: 01236 435565 - Fountain Bsns Cntr Ellis St, Coatbridge, Lanarkshire, ML5 3AA

Channel Investigation Agency > Investigators in St Peter Port
Tel: 01481 727687 - Grove House Le Bordage, St. Peter Port, Guernsey, Channel Isles, GY1 1DB

Security Services > Investigators in Brecon
Tel: 01874 610340 - PO Box 34, Brecon, Powys, LD3 7WU

Argus Private Investigation Services > Investigators in Rochdale
Tel: 01706 376288 - 4 Garden Way, Littleborough, Lancashire, OL15 0ED

A.y.investigations > Investigators in Brighton
Tel: 01273 733353 - Rowan Avenue, Hove, East Sussex, BN3 7JF

First In Line Investigations > Investigators in Barrow In Furness
Tel: 07510 704512 - Albert St, Barrow-in-furness, Cumbria, LA14 2JS