Private Investigators London
Trusted Private Investigators in London with over 40 years of investigative experience
Ingram Associates is one of London’s most trusted firms of private investigators, with over 40 years of investigative experience. Operating 24 hours a day from our office on The Strand, Westminster, we assist clients across Westminster, Mayfair, Chelsea, Kensington, the City of London, Canary Wharf and throughout Greater London, as well as nationally and internationally.
We deliver discreet, high-level investigative services tailored to the specific objectives of each client — whether supporting litigation, protecting commercial interests through corporate intelligence, or resolving sensitive private matters. Our London private investigators provide reliable intelligence, evidence and reporting where accuracy, discretion and professional expertise are essential.
Our teams are drawn from former police and military professionals, carefully selected for their specialist expertise and operational experience. We adhere to the professional standards of the Institute of Professional Investigators (IPI) and the World Association of Professional Investigators (WAPI), and are fully insured and registered with the Information Commissioner’s Office (ICO). Every investigation is designed around your objectives and conducted with strict confidentiality, legal compliance and attention to detail.
Whether protecting a business, safeguarding a family, or building a case for court, Ingram Associates provides the investigative expertise required to uncover the facts. We gather intelligence, obtain evidence and deliver clear findings that allow clients to make informed decisions with confidence.
London Private Investigation Services
At Ingram Associates, our London private investigators provide a comprehensive range of discreet investigation services for individuals, businesses, legal professionals and organisations. Each investigation is tailored to the specific objectives of the client, with a focus on obtaining reliable intelligence, evidence and actionable findings.
Our investigation services include:
- Fraud Investigations London
- Surveillance Investigations London
- Financial Investigations London
- Asset Tracing & Recovery
- Process Serving London
- Background Checks & Due Diligence
- Cyber Risk & Digital Investigations
- GPS Vehicle Tracking
- Intellectual Property Protection
Whether you require evidence for litigation, protection against fraud, corporate intelligence or assistance with a sensitive personal matter, our London investigation team provides a professional and confidential service tailored to your specific requirements.
Specialist Financial Investigation in London & Oxford
Ingram Associates is one of the UK’s most experienced financial investigation firms, with a proven track record in tracing and recovering assets across complex, high-value cases.
Whether the matter involves corporate fraud, disputed business assets or family financial proceedings, our investigators have the expertise to follow the money — across the UK and internationally. Working closely with solicitors, the Insolvency Service, the FCA, the Serious Fraud Office and Interpol, we deliver results where others cannot.
With over 40 years of experience and a network that spans multiple jurisdictions, we are uniquely placed to trace funds, uncover hidden assets and provide the evidence your legal team needs — available 24 hours a day.

Surveillance
Ingram Associates are specialists and experts in surveillance offering a nationwide service to lawyers, insurance companies, commercial companies, and private clients.

Business Intelligence

Family Law, Divorce and Child Abduction

Fraud Investigation
Specialist Fraud Investigators in London
Beyond general enquiries, Ingram Associates is a leading firm of fraud investigators in London with a proven track record in complex financial recovery. Our senior fraud investigators work closely with the Insolvency Service, FCA, The Serious Fraud Office, and Interpol to secure successful outcomes for our clients nationwide.
We understand the serious financial hardship that often follows fraudulent activity. To support those in need of recovery action, we have developed an innovative funding model that makes the expertise of our private investigators in London and Oxford affordable and accessible.
Expert Support & Case Assessment: Â If you require immediate assistance, please contact our London or Oxford teams. Call us on 020 7073 2610 or use our enquiry form to speak directly with an investigator for a detailed assessment of your case and professional advice on the best path forward.
Process Serving

In need of a highly experienced Process Server?
Litigation Support

Meet your litigation objectives and reach a resolution with Ingram Associates
What our clients say
Jonathan Sharp
Partner : Ashfords LLP Solicitors
Paul Jordan
Solicitor : Head of Legal services, Leeds Building Society
Oxford House,
Parkway Court,
John Smith Drive,
Oxford, OX4 2JY
Wadham Chambers,
Hardwick, Witney,
Oxfordshire
OX29 7QE
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