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Welcome to Base Investigations, a leading private investigation firm serving London and its surrounding regions.

Our experienced professionals offer strategic, evidence-based investigative services tailored to your organisation’s requirements.

 

Clarity is our currency. Results are our promise.​

 

**Private Investigator London **

 

Base Investigations stands as a trusted name in the field of professional investigation, operating throughout London and across the UK.  With roots dating back to 1996, our skilled operatives and innovative systems give us a distinctive edge in complex cases and sensitive matters.  

 

Having worked with law firms, councils, corporate clients, and private investigators internationally, we are now opening our doors to assist individuals and families with the same level of excellence.  Thanks to decades of on-the-ground experience, our customized approach has helped us earn the confidence of clients nationwide.

Trusted Investigators in London  

Private Investigation Services in London  

When you need a trusted investigation agency in London, we’re just a phone call away. Our team of local professionals is always ready to respond swiftly, providing you with reliable, discreet services tailored to your needs.

 

Contact our team today: 0800 043 2466  

 

**Information Services & Missing Person Tracing **

We are London’s go-to team for real-time data investigation, field operations, and confidential tracing. Whether it’s reconnecting with someone or unearthing financial or background intel, our specialists are here to support your search.  

 

**Locate Individuals **

Our missing person experts deliver outstanding results, working with both public and private sector organizations, including international crime agencies. Leveraging a powerful network and cutting-edge tools, we’re confident in finding the information others can’t.  

 

**Investigative Background Checks **

We dive deeper than generic background searches. Our insights are comprehensive, trusted by investors, agencies, and compliance teams looking for verified intel.  

 

**Asset Discovery & Intelligence **

Our financial investigators specialize in uncovering valuable data—ideal for legal teams, creditors, or those involved in fraud and partner investigations.  

 

**Comprehensive Data Research **

From personal identification and property data to harassment or inheritance-related records, our data intelligence unit ensures no stone is left unturned.  

 

**Professional Surveillance **

Our nationwide surveillance teams operate in flexible 6-hour shifts, using advanced monitoring methods to meet your timeline and requirements.

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What Do We Offer?

At Base Investigations, we offer a comprehensive range of investigative services tailored to meet each case's specific needs. We understand that every situation is unique, which is why we provide a flexible approach that combines the skills of experts from various fields. Whether it’s technical data analysis, field operations, or covert surveillance, our team is equipped to handle a wide variety of challenges with precision and expertise.

 

Our hybrid approach ensures that the right professionals are assigned to your case, bringing together analysts, operatives, and specialists to address all aspects of the investigation. This seamless collaboration allows us to uncover crucial information while maintaining discretion and efficiency, ultimately ensuring a successful resolution to your case.

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Your Case, Our Priority  

We’re not just your investigators—we’re your partners.  

 

Our approach is always collaborative. With access to experts in every corner of the industry—from data analytics to covert ops—we provide holistic, end-to-end solutions.  

 

We understand that successful investigations are built on the collective power of specialists. Whether it’s surveillance requiring a deep dive into property ownership or a tracing case needing in-person confirmation, our team operates seamlessly.  

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Private Investigator London

Electronic Sweep & Privacy Checks

Our skilled operatives use advanced technology to detect and neutralize potential threats to your privacy. Whether it's bugs, trackers, or unauthorized data access, we ensure that your confidential information remains secure and protected.

Private Investigator London

Covert Intelligence Gathering

With discretion at the core of our strategy, we employ modern investigative methods to gather critical information without alerting the subjects. Our field experts use strategic intelligence techniques to uncover the facts you need, quietly and effectively.

Private Investigator London

Modern Surveillance

We provide cutting-edge surveillance solutions to monitor and track individuals or assets. Our experts use state-of-the-art technology to ensure accurate and reliable results.

Private Investigator London

Threat Evaluation & Security Insight

We assist both businesses and individuals in identifying security gaps or potential risks. Through thorough assessments, we help you anticipate threats and take proactive measures to safeguard against possible harm before it materializes.

Contact us today for a confidential consultation.

0800 043 2466

Happy Woman
"I would like to thank you for finding my, soon to be Ex husband, was hiding substantial assets"

Jenny (Sheffield)

Department Managers

Our Key Personel. Our team are trusted seasoned professionals.

Trace Missing Person Private Investigator London

Mark Robbins

Mark is an industry leader and career professional. He is one of the Company founders from when the firm opened as a small detective Agency In Surrey. He leads all our data procurement investigations and overseas all department managers.

Asset Searches Private Investigator London

Tony 

Tony is one of our field operatives and surveillance expets. He is often undercover. 

Background checks Private Investigator London

Tanya Hall

Tanya is a 15-year veteran with the company. She leads most of our background investigations. Not only does she have restricted data access, but she is also an OSINT expert. You may have seen her on TV! She has been involved in several TV series. Clients love Tanya's personal dedication to their cases. 

Detective Agency London

Alison Dundas

Alison deals with our administration and bookkeeping. She keeps all our company details up to date. She is also our go-to if we need for any banking, petty cash, or post that needs to be dealt with . 

Detective Agency London

Nicola Harris

Nicola runs our amazing People Tracing team. Nicola undertakes a direct role in the entire people tracing process from taking instruction to delivering the final results. Nicky has reunited family, tracked down fraudsters, and pin pointed locations for missing people. 

Detective Agency London

Jon

Jon is our field operations specialist and advisor. He spends his time in the field, on-site, overseeing large operations. 

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It's not just what we know, It's who we know!

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We are the UK's number one choice for data procurement. Our team are experts in people tracing, background searches, and asset reporting. Our previous clients encompass national and international agencies including Interpol. 

We offer fully comprehensive background checks that far surpass all available online credit-paid systems. Again, this is a popular service for Private investigators, investors and government agencies.

Asset assessments are also popular with PIs, lawyers and Government agencies all over the UK. These are mainly on behalf of people wishing to know more about large-scale debtors, fraudsters, spouses and business partners.

We also complete all types of data procurement including credit assessments, birth, death and marriage investigations, and online campaigns of intimidation, bullying or harassment.  The list is endless. If you need information, our team will find the answers you need, every time.

Our findings are always guaranteed!

About Us

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Our Mission

Base Investigations is a well-respected private investigation agency established in 1996.

 

We provide a diverse array of investigative services, including People Tracing, Background Checks, Asset Searches, Phone and Email Searches, Surveillance, and TSCM.

 

 

Our dedication to professionalism, precision, and confidentiality guarantees that your investigative requirements are handled with the utmost excellence and discretion.

Know Your Team

Every case starts with a personal consultation with one of our specialists to ensure a customized service that aligns with your unique requirements. Our agents are focused on achieving results.

We are dedicated to conducting ethical and compliant investigations whilst ensuring clients reach their goals. Our teams have extensive expertise in all investigative fields.

At Base Investigations, we understand the importance of investigative conclusions. Our team is committed to providing you with accurate and favourable results.

We prioritize confidentiality in every inquiry, handling sensitive operations with discretion, subtlety, and a friendly approach.

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0800 043 24 66

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BASE Investigations Ltd, Blackwell House, Guildhall Yard, London, EC2V 5AE

Base Investigations. All rights reserved Copyright © - 2025

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