Private Investigators in the UK | Professional Private Detectives

Your UK Private Investigators

Tremark has a dedicated team of professional private investigators operating across the UK. With nearly three decades of experience, we work tirelessly to gather evidence, provide clarity, and deliver peace of mind to our clients. If you require support with corporate investigations, asset tracing, or pre-employment checks, our expert investigators are here to assist.

Our services span private, corporate, commercial, and legal investigations, offering a 24/7 private investigator service throughout the UK. We take pride in our discretion and professionalism, delivering tailored solutions and expert advice to individuals and businesses nationwide.

As long-standing private investigators in the UK, Tremark is committed to achieving results with integrity. Certified to British Standard BS102000 and ISO9001, we uphold the highest professional and ethical standards in every case. We ensure all evidence is gathered lawfully and in full compliance with legal and regulatory requirements. Your needs are our priority, and we’re here to provide reliable, ethical, and effective investigative solutions.

Appoint Tremark As Your UK Private Investigator

Our Top Services As Private Investigators in the UK

Process Serving

Tremark handles the secure and prompt delivery of legal documents on your behalf across the UK.

Asset Tracing

Want a clearer picture of someone’s assets? Our reports are compiled by professional private investigators across the UK, backed by over 30 years of industry experience.

People Tracing

Finding someone who doesn’t want to be found takes expertise. Our skilled private investigators operate across the UK, uncovering those who go to great lengths to stay hidden.

professional private investigators in the uk

Bespoke Investigations

Looking for a bespoke investigative service? We offer detailed and dependable analysis across the UK, designed around your exact 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 the UK

What private investigation services in the UK does Tremark offer?

Tremark offers an extensive range of private investigation services across the UK, supporting individuals, businesses, and legal professionals nationwide. Our expertise includes process serving, people tracing, and asset investigations, helping clients find individuals and gather essential information. We also specialise in surveillance, reputational risk assessments, and pre-employment checks, enabling businesses across the UK to operate with confidence. For more complex matters, we offer tailored investigations designed to uncover vital details in sensitive situations. With nearly three decades of experience and accreditation to British Standard BS102000 and ISO9001, Tremark is a trusted name in private investigations across the UK.

Are Tremark compliant private investigators in the UK?

Compliance has always been a cornerstone of our operations as private investigators across the UK. With close to 30 years of industry experience, we are accredited to British Standard BS102000 and ISO9001, ensuring all investigations are carried out lawfully and ethically. As members of the Association of British Investigators (ABI), we adhere to the highest professional standards in the field. We are also working towards ISO27001 accreditation to further improve our data security and compliance framework.

What areas does Tremark cover?

Tremark offers extensive coverage across the entire UK. In addition to our nationwide service, several of our offerings, including process serving and asset tracing, operate internationally, helping clients across the UK 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 require isn’t listed, Tremark offers bespoke investigations tailored to suit your unique needs. Every case is different, and our team can design custom solutions for the most challenging investigative requirements. Our bespoke services include, but are not limited to, anti-social behaviour inquiries, company checks, credit checks, employment tracing, injury and sickness investigations, property attendance reports, tenancy fraud, Spanish property tracing, and international investigations. Whatever investigative need you have, Tremark has the expertise and flexibility to help. Reach out to our UK team to see how we can assist.