Private Investigators in London | Private Detectives London

Your London Private Investigators

Tremark has a dedicated team of professional private investigators in London and the surrounding areas. With nearly three decades of experience, we work diligently to gather evidence, provide clarity, and deliver peace of mind to our clients. Whether you need assistance with corporate concerns, asset tracing, or pre-employment checks, our skilled investigators are here to help.

Our expertise spans private, corporate, commercial, and legal investigations, offering a responsive 24/7 private investigator service in London. We understand the importance of discretion and professionalism, providing expert advice and tailored solutions for individuals and businesses alike.

As long-standing private investigators in London, Tremark is committed to delivering results with integrity. As a certified British Standard BS102000 and ISO9001 company, we uphold the highest professional and ethical standards in every case we handle. We obtain evidence lawfully, ensuring compliance with all legal and regulatory requirements. Our focus is always on our clients’ needs, providing reliable, ethical, and effective investigative solutions.

Appoint Tremark As Your London Private Investigator

Our Top Services As Private Investigators in London

Process Serving

Tremark acts on your behalf to provide safe and timely delivery of legal documents, anywhere in London.

Asset Tracing

Need a clearer picture of the assets somebody holds? Our reports are compiled by qualified private investigators in London with over 30 years’ in the industry.

People Tracing

Some people go to great lengths to stay hidden. Our experienced private investigators know how to track down those who don’t want to be found.

Bespoke Investigations

Got something a little more niche that needs the Tremark touch? We provide thorough and reliable analysis tailored to your specific needs.

Where Our Clients Are

Africa, Asia, Australasia, Europe, North America & South America

Americas

Tremark delivers tailored intelligence and investigative services across the Americas, blending local expertise with cross-border insights for seamless results. Learn more.

Northern Ireland

In Northern Ireland, Tremark’s team combines local knowledge with discretion, offering precise solutions for sensitive cases. Learn more.

England & Wales

With offices in Leeds, London, and Leicester, Tremark provides instant nationwide coverage for process serving, surveillance, and investigations. Learn more.

Scotland

Tremark’s specialists in Scotland bring local insight and technical expertise to handle complex cases across urban and remote regions. Learn more.

Europe

Across Europe, Tremark offers multilingual, on-the-ground intelligence to navigate diverse jurisdictions and deliver actionable results. Learn more.

Australasia

In Australasia, Tremark combines local intelligence with proactive solutions, addressing unique challenges across the region. Learn more.

Africa

Tremark’s consultants in Africa leverage deep regional knowledge to navigate complex environments and deliver reliable services. Learn more.

Asia

Across Asia, Tremark provides culturally sensitive intelligence and investigative expertise, from megacities to remote areas. Learn more.

Need to know if we can help?

Call our experts: 0113 263 6466
Email today: info@tremark.co.uk

Or fill out the form below and one of our staff will reply as soon as possible.

Frequently asked questions about private investigating in London

What private investigation services in London does Tremark offer?

Tremark offers a comprehensive range of private investigation services in London, tailored to meet the needs of individuals, businesses, and legal professionals. Our expertise includes process serving, people tracing, and asset tracing, helping clients locate individuals and recover critical information. We also specialise in surveillance, reputational risk management, and pre-employment checks, ensuring businesses can operate with confidence. For more complex cases, we provide bespoke investigations, designed to uncover the truth in sensitive matters. With nearly 30 years of experience and accreditation to British Standard BS102000 and ISO9001, Tremark is a trusted name in private investigations in London.

Are Tremark compliant private investigators in London?

Yes, compliance has always been at the centre of our conduct as private investigators in London. With nearly 30 years of experience, we are accredited to British Standard BS102000 and ISO9001, demonstrating our commitment to ethical and lawful investigations. We are also proud members of the Association of British Investigators (ABI), the UK's leading professional body for private investigators. In addition, we are actively working towards ISO27001 accreditation to further enhance our data security and compliance standards.

What areas does Tremark cover?

Tremark provides nationwide coverage across the UK. In addition to our UK-wide presence, many of our services, including process serving and asset tracing, extend internationally, helping clients track individuals, assets, and legal matters across borders.

What if the private investigation service I need isn't listed?

If the private investigation service you need isn’t listed, Tremark offers bespoke investigations tailored to your specific requirements. We understand that every case is unique, and our team can design customised solutions to meet even the most specialised investigative needs. Our bespoke services include, but are not limited to; anti-social behaviour enquiries, company checks, credit checks, employment tracing, injury and sickness investigations, property attendance reports, tenancy fraud investigations, Spanish property tracing, and worldwide investigations. Whatever your investigative challenge, Tremark has the expertise and flexibility to assist. Get in touch with our team to discuss how we can help.