About Us

Imagine having the ability to uncover the truth without anyone knowing.

At Sightline Covert Investigations, our private investigators in London and throughout the UK specialise in delivering discreet, professional services that help our clients uncover the truth efficiently and confidentially. Whether you’re dealing with personal matters like matrimonial investigations or corporate concerns such as employee misconduct or fraud, our team has the expertise and state-of-the-art tools to provide reliable results.

We understand that every case is unique, which is why we tailor our investigation strategies to suit your specific needs. From GPS vehicle tracking to counter-surveillance, we utilise advanced technology and proven methods to gather evidence and deliver the facts. Our private investigators are trained to operate with the highest level of discretion, ensuring that your privacy and the integrity of the investigation are protected at all times.

Our extensive experience in covert surveillance, process serving, and background checks means that we can handle even the most sensitive cases. With a focus on precision and attention to detail, our investigations provide you with the information needed to make informed decisions, whether for legal proceedings or personal peace of mind. We serve individuals, law firms, and businesses across London and Nationwide, offering a full range of private investigation services.

Don't leave the truth to chance—partner with Sightline Covert Investigations and let our team deliver the actionable intelligence you need. Contact us today for a confidential consultation, and let us help you resolve your case with the professionalism and discretion that sets us apart.

GET STARTED ON YOUR PEACE OF MIND!

At Sightline Covert Investigations, we stand by a set of values that define our commitment to providing discreet, professional private investigation services across the UK. Whether you're seeking surveillance, process serving, fraud detection, or background checks, our trusted team upholds the highest ethical standards, ensuring that every investigation is handled with confidentiality, accuracy, and reliability.

We believe in delivering more than just results—we deliver peace of mind. Our values include integrity, professionalism, and client-centered service ensure that your case is managed with the utmost care and precision. Count on us to uncover the truth while safeguarding your privacy every step of the way.

Our motto, "Precision, Discipline, Results—Mission Accomplished," reflects the core values our founder brings from over 15 years of experience in the Royal Marines. Just like in military operations, every investigation we undertake is approached with tactical precision, unwavering discipline, and a clear focus on delivering results. At Sightline Covert Investigations, we operate with the same commitment to excellence, ensuring that every case—whether it’s surveillance, process serving, fraud detection, or background checks—is completed with the highest level of professionalism and accuracy. Our mission is to uncover the truth, and we don’t stop until it's accomplished.

Integrity – We conduct every investigation with honesty, transparency, and a commitment to ethical practices, ensuring that all actions are lawful and responsible.

Confidentiality – Protecting our clients' privacy is our top priority. All investigations are handled discreetly, with the utmost respect for confidentiality.

Professionalism – We approach every case with professionalism, maintaining high standards of service and expertise in all areas of private investigation.

Accuracy – Our investigations are thorough, delivering precise and actionable information to provide you with the evidence needed to make informed decisions.

Client-Centered – We tailor our services to meet the unique needs of each client, ensuring that every investigation is personalised and aligned with your goals.

Reliability – You can count on us to be consistent and dependable, providing timely updates and delivering results that you can trust.

Discretion – We understand the sensitive nature of our work and handle each case with complete discretion, ensuring that no unwanted attention is drawn.

Our Founder - Gavin

Gavin is a former Royal Marine Commando with a wealth of experience in private investigation and covert surveillance. Leading a team of skilled professionals, Gavin specialises in Covert and Counter Surveillance, fraud detection, corporate investigations, and personal investigations. His commitment to delivering precise and confidential results has made Sightline a trusted choice for clients across London and the UK.

"As the founder of Sightline Covert Investigations, I bring over 15 years of experience from serving in the Royal Marines, where I developed the skills and values that now guide my approach to private investigations. My military background instilled in me a deep sense of discipline, precision, and integrity—qualities that are essential in delivering reliable, confidential, and effective results for my clients. With a commitment to professionalism and attention to detail, I have built this firm on the foundation of trust, discretion, and actionable intelligence. My goal is to provide every client with the peace of mind that comes from knowing they are in the hands of an experienced investigator who is dedicated to uncovering the truth".

Who We Are

Founded by professionals with extensive experience in military, law enforcement, and intelligence services, Sightline was built on a foundation of integrity, precision, and trust. Every member of our team is trained to operate discreetly, lawfully, and effectively—bringing a level of professionalism that sets us apart in the industry.

We are fully insured, adhere to strict ethical standards, and are proud members of respected industry bodies including FPVUK for drone operations. Our investigators hold certifications and qualifications relevant to their specialist fields, ensuring each case is handled by the most competent professionals.

What We Do

We provide a full spectrum of investigative services, including but not limited to:

Covert Surveillance & Counter-Surveillance

GPS Vehicle Tracking

Drone Surveillance & Aerial Photography

Bug Sweeping / Technical Surveillance Countermeasures (TSCM)

Fraud Investigations (including insurance, business, and personal fraud)

Matrimonial & Cheating Partner Investigations

Employee Misconduct & Corporate Espionage

Process Serving

Individual & Asset Tracing

Financial Status Reporting

Whether it's uncovering deception, protecting your business from internal threats, or gathering evidence for a legal case, we provide accurate, court-admissible intelligence tailored to your unique situation.