Call Now
Website
Call
Business Details
Trusted Private Investigators in Brighton & London
William Stewart Investigations is a distinguished private investigation firm dedicated to delivering discreet, reliable, and highly effective services to corporate and private clients globally. With a focus on continuous improvement, we utilise the latest technology to address diverse investigative needs, from tracing beneficiaries to conducting matrimonial surveillance. Our team's extensive experience ensures clients receive tailored solutions, absolute peace of mind, and complete satisfaction throughout every engagement. Operating from strategic locations in Brighton and London, we serve domestic and international clients with professionalism and precision.

Our commitment to maintaining the highest standards protects both client and company reputations, while our global network enables us to tackle complex international investigations. We pride ourselves on understanding client needs, offering a sympathetic ear, and providing actionable insights backed by meticulous research and cutting-edge methodologies. Our services are fully insured, compliant with data protection regulations, and designed to uncover critical information efficiently and ethically.
Services
Private Investigations Corporate Investigations Beneficiary Tracing Matrimonial Surveillance Bitcoin Investigations Genealogy Research Bug Sweeps GPS Tracking
Highlights and features
  • We offer over 15 years of investigative experience across 20+ countries
  • Our global network enables complex international investigations
  • We maintain strict compliance with UK data protection regulations
  • We accept Bitcoin and digital currencies for flexible payments
  • Full Professional Indemnity and Public Liability Insurance coverage
Associations and certifications
  • Information Commissioner's Office (ICO)
What people say
Discreet surveillance Effective tracing Professional approach Successful outcomes Expert handling
Services
Private Investigations
Our private investigation services address personal and corporate concerns with discretion and precision. We specialise in matrimonial cases, missing persons, and asset tracing. Utilising advanced surveillance technology, we gather court-admissible evidence while maintaining strict confidentiality. Clients benefit from our investigators' 15+ years' experience and global network.
Corporate Investigations
We conduct thorough corporate investigations for fraud detection, due diligence, and internal compliance. Our services include employee background checks, intellectual property protection, and merger/acquisition verification. Businesses gain actionable intelligence to mitigate risks and ensure regulatory compliance across international operations.
Bitcoin Investigations
Our cryptocurrency specialists trace digital transactions and investigate blockchain-related fraud. We recover stolen assets and provide expert testimony in crypto-related legal cases. Clients benefit from our technical expertise in identifying illicit transactions while maintaining evidential integrity for court proceedings.
Beneficiary Tracing
We locate missing beneficiaries and trace unclaimed assets for probate and inheritance matters. Our investigators access international records and collaborate with legal professionals to resolve complex estate disputes. Clients receive comprehensive reports with verified documentation to support legal claims.
GPS Tracking
Our GPS tracking solutions monitor vehicles, cargo, and high-value assets using covert technology. We provide real-time location data and movement patterns for both civil and criminal investigations. This service supports insurance claims, corporate security, and personal safety requirements with accurate, time-stamped evidence.
Questions
What private investigation services do you offer in Brighton?
We provide comprehensive private investigation services including matrimonial surveillance, debtor tracing, missing persons investigations, and digital forensics. Our Brighton office serves both domestic and corporate clients with discreet, tailored solutions.
Do you handle international investigations?
Yes, our global network enables us to conduct complex international investigations across 30+ countries, including asset tracing, corporate due diligence, and cross-border surveillance operations.
What payment methods do you accept?
We accept major credit cards, corporate banking transfers, and Bitcoin/crypto currency payments for both domestic and international clients.
Are your services legally compliant?
All investigations comply with UK data protection laws and are conducted under full Professional Indemnity Insurance. We are registered with the Information Commissioner's Office (ICO).
How quickly can you start an investigation?
We typically initiate investigations within 24 hours of engagement, with emergency response available for urgent cases requiring immediate action.
What sets you apart from other private investigators?
Our combination of global reach, technological expertise, and 15+ years' experience handling complex cases differentiates us. We provide court-ready evidence and maintain strict client confidentiality.
Videos