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Business Details
Professional Private Investigation Services in London
Shadow Investigation Services is a London-based private detective agency with a global operational network. We combine traditional investigative principles with modern technology to deliver discreet, high-standard solutions for corporate and private clients. Our expertise spans covert surveillance, staff theft investigations, matrimonial cases, and legal document serving, supported by a team with extensive experience in intelligence gathering and risk mitigation. We prioritise client confidentiality, providing regular case updates and involving clients in critical decisions. Our accreditations include membership of the World Association of Professional Investigators (WAPI) and the United Kingdom Professional Investigators Network (UKPIN), alongside registration with the Information Commissioners Office (ICO).

We specialise in deploying undercover agents for workplace infiltration and utilise advanced digital recording systems for evidence documentation. Our services extend worldwide through trusted international contacts, ensuring timely, budget-conscious case resolution. We maintain transparency in operations while offering value-for-money solutions tailored to individual client needs. Our commitment to ethical practices and legal compliance underpins every investigation we conduct.
Services
Covert Surveillance Process Serving Staff Theft Investigations Matrimonial Investigations Corporate Surveillance Evidence Gathering Workforce Infiltration Bug Sweeping Witness Statements Translation Services
Highlights and features
  • We operate globally through an established network of trusted international contacts
  • Our team specialises in deploying undercover agents for workplace infiltration operations
  • We provide digital evidence recording and comprehensive daily written investigation reports
  • Our investigators are experienced in handling sensitive matrimonial and corporate cases
  • We maintain strict client confidentiality while delivering legally compliant solutions
Associations and certifications
  • World Association of Professional Investigators (WAPI)
  • United Kingdom Professional Investigators Network (UKPIN)
  • Information Commissioners Office (ICO)
Services
Covert Surveillance
Our covert surveillance operations utilise advanced technology to discreetly monitor subjects across various scenarios. Specialising in matrimonial investigations and corporate fraud detection, we deploy trained operatives with unobtrusive equipment. Clients receive digital evidence files and detailed daily reports documenting all observed activities.
Process Serving
We provide certified delivery of legal documents throughout the UK with official proof of service documentation. Our process servers ensure timely, legally compliant delivery of court papers, notices, and official correspondence to specified recipients.
Staff Theft Investigations
Specialist operations identify internal theft and financial misconduct through undercover infiltration and surveillance. We implement discreet monitoring systems to gather evidence of employee fraud while maintaining workplace integrity.
Matrimonial Investigations
Comprehensive investigations into relationship matters including infidelity and pre-nuptial agreements. Our discreet surveillance teams document activities with digital evidence, providing legally admissible reports for family court proceedings.
Corporate Surveillance
Tailored security solutions for corporate environments including fraud detection and workplace misconduct investigations. We deploy covert monitoring systems and undercover operatives to identify and document business-related security threats.
People
Simon Paris
Lead Investigator
Simon Paris oversees all operations at Shadow Investigation Services, bringing extensive experience in covert intelligence gathering and corporate security. He manages global case deployments and maintains client relationships while ensuring compliance with legal standards.
Questions
What areas do you operate in?
We operate throughout London, the UK, and internationally through our network of trusted contacts.
Can you handle corporate investigations?
Yes, we specialise in corporate fraud detection, staff theft investigations, and workplace misconduct monitoring.
How is evidence documented?
All surveillance evidence is digitally recorded with daily written reports provided to clients.
Are your services discreet?
We maintain strict confidentiality and use unobtrusive methods for all investigative operations.
Do you provide legal documentation?
Yes, we supply certified proof of service for legal document deliveries and court-admissible evidence reports.
How are cases managed?
Clients receive regular updates with operational decisions requiring prior consultation and approval.