Private investigators, private detectives, security consultants. For the legal profession,

commerce, industry, general public. In all areas of civil, criminal and personal matters.


Private Investigator London

We operate in all areas of London.

Nationwide Investigations has private investigators based in London and throughout the whole of the United Kingdom, who are available to undertake any type of investigation on behalf of lawyers, commerce, industry and the general public.

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Our Private Investigators London are based in Alpha House in Central London.

London Office
Alpha House
100 Borough High Street
Telephone: +44(0)20 7649 9415
Fax: +44(0)20 7649 9416

North London

  • N1 Islington, Barnsbury, Canonbury
  • N2 East Finchley, E Hampstead Gdn Suburb
  • N3 Finchley Central, Finchley Church End
  • N4 Finsbury Park, Manor House
  • N5 Highbury
  • N6 Highgate
  • N7 Holloway, Lower Holloway
  • N8 Hornsey, Crouch End
  • N9 Lower Edmonton
  • N10 Muswell Hill
  • N11 New Southgate, Friern Barnet
  • N12 North Finchley, Woodside Park
  • N13 Palmers Green
  • N14 Southgate
  • N15 South Tottenham, Seven Sisters
  • N16 Stoke Newington, Stamford Hill
  • N17 Tottenham
  • N18 Upper Edmonton
  • N19 Upper Holloway, Archway, Tufnell Pk
  • N20 Whetstone, Totteridge
  • N21 Winchmore Hill
  • N22 Wood Green, Alexandra Palace

North West London

  • NW1 Camden Town, Regent's Pk, N Marylebone
  • NW2 Cricklewood, Neasden, Dollis Hill
  • NW3 Hampstead, Swiss Cottage, Belsize Park
  • NW4 Hendon, Brent Cross
  • NW5 Kentish Town
  • NW6 Kilburn, Queens Park, S & W Hampstead
  • NW7 Mill Hill
  • NW8 St John's Wood
  • NW9 The Hyde, Kingsbury, Colindale
  • NW10 Willesden, Harlesden, Kensal Green
  • NW11 Golders Green, W Hampstead Gdn Suburb

East London

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  • E1 Whitechapel, Stepney, Mile End
  • E2 Bethnal Green, Shoreditch
  • E3 Bow, Bromley-by-Bow
  • E4 Chingford, Highams Park
  • E5 Clapton
  • E6 East Ham, Beckton
  • E7 Forest Gate, Upton Park
  • E8 Hackney, Dalston
  • E9 Homerton, South Hackney
  • E10 Leyton
  • E11 Leytonstone, Wanstead
  • E12 Manor Park
  • E13 Plaistow
  • E14 Poplar, Millwall, Isle of Dogs
  • E15 Stratford, West Ham
  • E16 Victoria Docks, N Woolwich, Canning Town
  • E17 Walthamstow
  • E18 Woodford South

West London

  • W1 West End - Mayfair, Soho, S Marylebone
  • W2 Paddington, Bayswater, Hyde Park
  • W3 Acton
  • W4 Chiswick
  • W5 Ealing
  • W6 Hammersmith
  • W7 Hanwell
  • W8 Kensington (central)
  • W9 Maida Vale, Warwick Avenue
  • W10 North Kensington, Ladbroke Grove
  • W11 Notting Hill, Holland Park
  • W12 Shepherd's Bush
  • W13 West Ealing
  • W14 West Kensington

For all your London private investigator and London private detective needs in London, United Kingdom, UK. London Private Investigators London Private Detectives London

Nationwide Investigations is situated in Central London, on the edge of the City in SE1. We provide a confidential, discrete and professional service – 24 hours a day, 7 days a week; our phone lines are never closed.

We offer value-for-money for the legal profession, corporate clients and the general public in London and throughout the world.

  • From adoption tracing to surveillance
  • From evidence gathering to process serving
  • From fraud enquiries to pre-employment vetting

Nationwide Investigations can quickly set you at ease by sensitively discussing the situation with you and then presenting with a range of solutions and budgets. There is absolutely no obligation; you decide if and when you want to go ahead.

To hire a Private Investigator London call 0800 181 383. You can have a confidential consultation with London’s most experienced Private Investigators London; we can offer truly professional Private Investigators London who, through patient enquiry, keen observation and careful, accurate examination, obtain information legitimately for the use and benefit of our many clients throughout London, the UK, Europe and the rest of the world.

Our Private investigators London offer a discreet investigation service. Our Private Investigators London offer tracing services, surveillance, polygraph lie detection services, process service, forensic examinations, electronic sweeps and many other services to meet your needs.

We operate in all areas of London. North London, South London, East London and West London. Abbey Wood SE2, Kennington SE11, Acton W3, Kensal Green NW10, Aldgate EC3, Kensington central W8, Alexandra Palace N22, Kensington North W10, Anerley SE20, Kensington South SW7, Archway N19, Kensington West W14, Balham SW12, Kentish Town NW5, Barbican EC1, Kidbrooke SE3, Barnes SW13, Kilburn NW6, Barnsbury N1, Kingsbury NW9, Battersea SW11, Ladbroke Grove W10, Bayswater W2, Lambeth SE11, Beckton E6, Lambeth north SE1, Belgravia SW1, Lambeth South SW8, Bellingham SE6, Lee SE12, Belsize Park NW3, Lewisham SE13, Bermondsey SE1, Leyton E10, Bermonsey South SE16, Leytonstone E11, Bethnal Green E2, Liverpool Street EC2, Bishopsgate EC2, Maida Hill W9, Blackfriars EC4, Maida Vale W9, Blackheath SE3, Manor House N4, Bloomsbury WC1, Manor Park E12, The Borough SE1, Bow E3, Marylebone north NW1, Brent Cross NW4, Marylebone south W1, Brixton central SW2, Mayfair W1, Brixton North SW9, Merton SW19, Brixton southern SW2, Mile End E1, Brockley SE4, Mill Hill NW7, Bromley-by-Bow E3, Millwall E14, Brompton part SW1, Monument EC3, Brompton part SW7, Moorgate EC2, Brompton SW3, Mortlake SW14, Brompton West SW10, Mottingham SE9, Brondesbury Park NW6, Muswell Hill N10, Camberwell SE5, Neasden NW2, Camden Town NW1, New Cross SE14, Canning Town E16,

Private Investigator London

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We are not only private investigators for London. We are UK private investigators and international private investigators. Our experienced professional private investigators cover all areas of the UK and abroad.

North London, South London, East London and West London.

Nationwide Investigations Group is one of Britain's premier private investigation organisations. Started from humble beginnings as a small London Agency. Since 1963 a considerable reputation has been obtained in highly successful investigative matters to become today one of the best known and respected private investigation companies throughout the United Kingdom, Europe and the World.

Our qualified and experienced professional private investigators have extensive and practical knowledge of law and are fully conversant with the many aspects of private investigation.

Whether it's a surveillance, polygraph test, trace, computer/mobile/DNA forensic investigation, a process server or any other investigation our private investigators are available and local to your area.

East Central London

  • EC1 Clerkenwell, Finsbury, Barbican
  • EC2 NE - Moorgate, Liverpool Street
  • EC3 SE - Monument, Aldgate, Fenchurch St, Tower
  • EC4 W - Fleet St, Temple, Blackfriars, St Paul's
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West Central London

  • WC1 Bloomsbury, Gray's Inn
  • WC2 Holborn, Strand, Covent Garden

South East London

  • SE1 Waterloo, Bermondsey, Southwark, S Bank, Borough
  • SE2 Abbey Wood, S Thamesmead
  • SE3 Blackheath, Westcombe Park, Kidbrooke
  • SE4 Brockley, Crofton Park, Honor Oak Park
  • SE5 Camberwell
  • SE6 Catford, Hither Green, Bellingham
  • SE7 Charlton
  • SE8 Deptford
  • SE9 Eltham, Mottingham
  • SE10 Greenwich
  • SE11 Lambeth, Kennington
  • SE12 Lee, Grove Park
  • SE13 Lewisham, Hither Green
  • SE14 New Cross, New Cross Gate
  • SE15 Peckham, Nunhead
  • SE16 Rotherhithe, S Bermonsey, Surrey Docks
  • SE17 Walworth, Elephant & Castle
  • SE18 Woolwich, Plumstead
  • SE19 Crystal Palace, Norwood (Cen & Upper)
  • SE20 Anerley, Penge
  • SE21 Dulwich, West Dulwich
  • SE22 East Dulwich
  • SE23 Forest Hill
  • SE24 Herne Hill
  • SE25 South Norwood
  • SE26 Sydenham
  • SE27 West Norwood, Tulse Hill
  • SE28 Thamesmead

South West London

  • SW1 Westminster, Belgravia, Pimlico, Victoria
  • SW2 Brixton, Streatham Hill
  • SW3 Chelsea, Brompton
  • SW4 Clapham
  • SW5 Earl's Court
  • SW6 Fulham, Parson's Green
  • SW7 South Kensington
  • SW8 South Lambeth, Vauxhall, Nine Elms
  • SW9 Stockwell, N Brixton
  • SW10 West Brompton, World's End
  • SW11 Battersea, Clapham Junction
  • SW12 Balham
  • SW13 Barnes, Castelnau
  • SW14 Mortlake, East Sheen
  • SW15 Putney, Roehampton
  • SW16 Streatham, Norbury
  • SW17 Tooting
  • SW18 Wandsworth, Earlsfield
  • SW19 Wimbledon, Merton, Collier's Wood
  • SW20 West & South Wimbledon, Raynes Pk

New Cross Gate SE14, Canonbury N1, New Southgate N11, Castelnau SW13, Nine Elms SW8, Catford SE6, Norbury SW16, Charlton SE7, Norwood central SE19, Chelsea SW3, Norwood New Town SE19, Chingford E4, Norwood South SE25, Chiswick W4, Norwood Upper SE19, City north eastern EC2, Norwood West SE27, City south eastern EC3, Notting Hill W11, City western EC4, Nunhead SE15, Clapham Junction SW11, Paddington W2, Clapham SW4, Palmers Green N13, Clapton E5,Parson’s Green SW6, Clerkenwell EC1, Peckham SE15, Colindale NW9, Penge SE20, Collier’s Wood SW19, Pimlico SW1, Cottenham Park SW20, Plaistow E13, Covent Garden WC2, Plumstead SE18, Cricklewood NW2, Poplar E14, Crofton Park SE4, Putney SW15, Crouch End N8, Queens Park NW6, Crystal Palace SE19, Raynes Park SW20, Dalston E8, Regent’s Park NW1, Deptford SE8, Roehampton SW15, Dollis Hill NW2, Rotherhithe SE16, Dulwich East SE22, Seven Sisters N15, Dulwich SE21, Shepherd’s Bush W12, Dulwich West SE21, Shoreditch E2, Ealing W5, Soho W1, Ealing West W13, South Bank SE1, Earl’s Court SW5, Southgate N14, Earlsfield SW18, Southwark SE1, East Ham E6, St John’s Wood NW8, East Sheen SW14, St Paul’s EC4, Edmonton Lower N9, Stamford Hill N16, Elephant & Castle SE17, Stepney E1, Eltham SE9, Stockwell SW9, Fenchurch Street EC3, Stoke Newington N16, Finchley Central N3, Strand WC2, Finchley Church End N3, Stratford E15, Finchley East N2, Streatham Hill SW2, Finchley North N12, Streatham SW16, Finsbury EC1, Surrey Docks SE16, Finsbury Park N4, Swiss Cottage NW3, Fleet Street EC4, Sydenham SE26, Forest Gate E7, Temple EC4, Forest Hill SE23, Thamesmead DA18 (Kent), Friern Barnet N11, Thamesmead SE28, Fulham SW6, Thamesmead South SE2, Golders Green NW11, The Borough SE1, Gray’s Inn WC1, The Hyde NW9, Greenwich SE10, Tooting SW17, Grove Park SE12, Tottenham N17, Hackney E8, Tottenham South N15, Hackney E9, Totteridge N20, Hackney South E9, Tower Hill EC3, Hammersmith W6, Tufnell Park N19, Hampstead Garden Suburb eastern N2, Tulse Hill SE27, Hampstead Garden Suburb western NW11, Upper Edmonton N18, Hampstead NW3, Upton Park E7, Hampstead South NW6, Vauxhall SW8, Hampstead West NW6, Victoria Docks E16, Hanwell W7, Victoria SW1, Harlesden NW10, Walthamstow E17, Hendon NW4, Walworth SE17, Herne Hill SE24, Wandsworth SW18, Highams Park E4, Wanstead E11, Highbury N5, Warwick Avenue W9, Highgate N6, Waterloo SE1, Hither Green SE13, West End W1, Hither Green SE6, West Ham E15, Holborn WC2, Westcombe Park SE3, Holland Park W11, Westminster SW1, Holloway Lower N7, Whetstone N20, Holloway N7, Whitechapel E1, Holloway Upper N19, Willesden NW10, Homerton E9, Wimbledon SW19, Honor Oak Park SE4, Wimbledon South SW20, Hornsey N8, Wimbledon West SW20, The Hyde NW9, Winchmore Hill N21, Hyde Park W2, Wood Green N22, Isle of Dogs E14, Woodford IG8, Islington N1, Woodford South E18, Woodside Park N12, Woolwich North E16, Woolwich SE18, World’s End SW10.

Home - Nationwide Investigations Group



private investigator london 14

London Office
020 7649 9415

+44 (0)20 7649 9415

Head Office:
01444 318 325


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