

Your York Private Investigators

Tremark has a dedicated team of professional private investigators serving York and the surrounding areas. With nearly 30 years of experience, we work tirelessly to gather evidence, uncover the truth, 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 covers private, corporate, commercial, and legal investigations, offering a responsive 24/7 private investigator service in York. We prioritise discretion and professionalism, providing tailored solutions and expert advice for individuals and businesses across the city.
As trusted private investigators in York, Tremark is committed to delivering 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 obtained lawfully, complying with legal and regulatory requirements. Your needs are our focus, and we’re here to provide reliable, ethical, and effective investigative solutions.



Process Serving
Tremark operates on your behalf to guarantee the safe and timely delivery of legal documents anywhere in York and the surrounding areas.

Asset Tracing
Need clarity on the assets someone holds? Our reports are created by skilled private investigators in York, backed by over three decades of industry expertise.

People Tracing
Some people try their hardest to stay off the radar. Our expert private investigators in York have the skills to locate those who don’t want to be found.

Bespoke Investigations
Have a niche challenge that requires the Tremark approach? We offer meticulous and trustworthy analysis, designed to fit your specific needs in York.
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.

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What private investigation services in York does Tremark offer?
Tremark delivers a wide range of private investigation services in York, tailored to support individuals, businesses, and legal professionals. Our expertise includes process serving, people tracing, and asset tracing, helping clients locate individuals and retrieve crucial information. We also specialise in surveillance, reputational risk management, and pre-employment checks, ensuring York businesses can operate with peace of mind. For more complex cases, we provide tailored investigations, aimed at uncovering the truth in delicate matters. With nearly 30 years of experience and accreditation to British Standard BS102000 and ISO9001, Tremark is a trusted name in private investigations in York.
Are Tremark compliant private investigators in York?
Compliance has always been a cornerstone of our practice as private investigators in York. 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. Additionally, we are working towards ISO27001 accreditation to further elevate our data security and compliance standards.
What areas does Tremark cover?
Tremark delivers nationwide coverage across the UK. In addition to our UK-wide operations, many of our services, including process serving and asset tracing, extend globally, assisting clients in York and beyond to 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 your specific needs. We recognise that every case is unique, and our team can develop customised solutions to meet even the most specialised investigative demands. 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 support you. Reach out to our team to discuss how we can help.