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Private Investigators | Home Counties & UK

 SJC Investigations provides discreet, legally compliant, and results-driven investigative services for private individuals, corporate brands, and legal professionals. Based in the Home Counties, our operatives deploy locally and nationwide to secure court-admissible evidence. 

Surveillance Specialists

Surveillance Specialists

Surveillance Specialists

  As surveillance specialists, we deploy cutting-edge covert technology to gather photo & video evidence for private & legal investigations. Our surveillance operations are meticulously tailored to align with our clients' budgetary parameters, enabling us to propose appropriate solutions irrespective of financial constraints. 

Surveillance

Infidelity & Matrimonial

Surveillance Specialists

Surveillance Specialists

We provide the peace of mind & clarity needed when facing suspicions of betrayal in a relationship. We understand the sensitive nature of these situations & handle each case with the utmost confidentiality. Our goal is to provide our clients with the information & evidence they need to make informed decisions and move forward with confidence.

Infidelity

Process Serving

Surveillance Specialists

Process Serving

We provide expedited and same day process service across the entire UK for all court documents, ensuring swift & legal delivery. 

Our process serves include a certificate of service as standard at no additional charge, with the option for an affidavit when required.

Process Serving

Person Tracing

Process Serving

Utilising specialised investigative databases inaccessible to the general public, we diligently trace debtors & individuals who have evaded location. Whilst an address is priority, our reports can also include searching for email addresses, phone numbers, address history, associates & business affiliations.

Tracing

Background Checks

Background Checks

  Our comprehensive background checks can cover an array of up to 150 key points, including identity verification, family, vehicles, addresses, contact details, social media, criminal background, property ownership, assets, business affiliations, etc. Contact us to request our extensive background check prospectus.

Background Checks

Missing Persons

Background Checks

  We are proud to have achieved national press recognition for our adept solving of intricate missing person cases, outpacing Police efforts. Understanding the strains on police resources & the urgency of locating missing loved ones, we bring genuine expertise & a proven track record to the resolution of such investigations.

Missing Persons

Solicitor Support

 Legal Professionals - Jump to our dedicated solicitor page and see how we provide fast, court-ready investigative support for your cases. 

jump to solicitor page

SJC Price Promise

If you are a private client and have a written quote from a reputable agency, we’ll do our best to match it - without compromising quality, legality or results. 

  Our smaller, boutique approach ensures a bespoke investigative service, giving every case personal attention. 

When you contact SJC, you speak directly with the investigator leading your case - no third parties, no delays, and no unnecessary callbacks.

Full Directory of Investigative Solutions

Discreet, professional investigations for individuals and businesses, tailored to your needs.

  • Surveillance – Covert monitoring of people, vehicles, or locations. 
  • Covert Surveillance (Specialist / Long-Term) – Extended operations for complex cases. 
  • Infidelity & Matrimonial Investigations – Discreet evidence gathering for personal or legal purposes. 
  • Missing Persons Investigations – Locate individuals safely and efficiently. 
  • Person Tracing (UK & International) – Find people across the UK or abroad. 
  • Address Tracing & Occupancy Checks – Confirm residency or occupancy of a property. 
  • Background Checks – Comprehensive checks on individuals for peace of mind. 
  • Lifestyle & Means Assessments – Assess financial and lifestyle details accurately. 
  • Alibi Verification – Confirm whereabouts and activities. 
  • Relationship & Associate Mapping – Identify networks and connections. 
  • Anti-Social Behaviour & Neighbour Dispute Investigations – Gather evidence to resolve disputes. 
  • Online Harassment & Cyberstalking Investigations – Investigate digital threats safely. 
  • Safeguarding Checks – Protect vulnerable individuals where appropriate. 



Support for family law cases, ensuring accurate financial disclosure and evidence for court.

  • Form E & Financial Disclosure Investigations – Verify income, assets, and undisclosed resources. 
  • Lifestyle & Means Assessments – Confirm the true standard of living of a spouse or partner. 
  • Asset Checks & Hidden Asset Investigations – Trace property, investments, and savings. 
  • Infidelity & Matrimonial Evidence – Collect court-admissible proof discreetly. 
  • Person & Address Tracing – Locate individuals relevant to divorce proceedings. 
  • Witness Statements & Evidence Gathering – Prepare documented evidence for legal proceedings. 



Protect your business, employees, and reputation with specialist corporate investigations.

  • Employee Investigations – Misconduct, theft, or policy breaches. 
  • Workplace Misconduct Investigations – Address allegations quickly and discreetly. 
  • Insurance Fraud Investigations – Detect and verify fraudulent claims. 
  • Personal Injury & Accident / Incident Investigations – Gather evidence for insurance and legal purposes. 
  • Corporate Espionage Investigations – Protect sensitive information and trade secrets. 
  • Insider Threat Investigations – Identify internal risks before they escalate. 
  • Intellectual Property & Brand Protection Investigations – Safeguard your business assets. 
  • Tenant Screening & Letting Due Diligence – Check rental applicants thoroughly. 
  • Mystery Shopping & Compliance Monitoring – Verify staff compliance and service standards. 
  • Covert Test Purchasing – Discreet compliance checks. 
  • Reputational Risk Investigations – Assess and mitigate potential risks. 
  • Company Director & Business Interest Checks – Investigate financial and corporate connections. 
  • Pre-Employment Screening – Confirm qualifications, experience, and background. 


Expert support for solicitors, insurers, and private clients with court-ready evidence.

  • Process Serving (Standard, Same-Day, Urgent, Evasive Subjects) – Ensure legal documents are delivered efficiently. 
  • Pre-Action / Pre-Litigation Reports – Detailed investigation to support legal strategy. 
  • Due Diligence – Comprehensive checks for corporate or personal cases. 
  • Evidence Gathering & Photographic Documentation – Accurate, court-admissible evidence collection. 
  • Witness Interviews & Statement Taking (CPR Compliant) – Statements prepared for legal proceedings. 
  • Litigation Support – Assistance with case preparation and strategy. 
  • Timeline Reconstruction – Chronology of events for legal clarity. 
  • Court-Admissible Reporting – Professionally formatted reports for legal use. 
  • Criminal Defence & Prosecution Support – Evidence collection and analysis for criminal cases. 
  • Instruction Handling for Solicitors, Local Authorities & Insurers – Efficient management of legal instructions. 


Deep-dive profiling, and open-source intelligence to uncover the truth about an individual’s history, lifestyle, and digital footprint.

  • Comprehensive Background Checks – In-depth profiling on individuals for complete private or corporate peace of mind.
  • OSINT (Open-Source Intelligence) Reports – Advanced extraction and analysis of deep-web public records and hidden online data.
  • Social Media & Digital Footprint Investigations – Cross-referencing online activity, hidden profiles, and digital connections.
  • Email, Mobile Number & Digital Asset Tracing – Verifying ownership, historical data, and links associated with digital points of contact.
  • New Partner / Pre-Matrimonial Screening – Discreet lifestyle, financial, and background checks to protect personal safety and assets.
  • Tenant Screening & Letting Due Diligence – Detailed background, credit, and cross-reference checks on residential or commercial rental applicants.
  • Pre-Employment & New Colleague Vetting – Verifying CV credentials, financial stability, and corporate histories for businesses and executives.
  • Lifestyle & Means Assessments – Gathering concrete evidence to compare an individual’s claimed financial status against reality.


Accurate financial and asset investigations to support legal, corporate, and personal matters.

  • Asset Checks – Locate property, vehicles, and other valuables. 
  • Financial Background Checks – Verify income, debts, and financial history. 
  • Hidden Asset Investigations – Detect undisclosed holdings. 
  • Lifestyle & Means Assessments – Compare claimed versus actual standard of living. 
  • Debtor Tracing & Recovery Support – Find individuals to recover outstanding debts. 
  • Probate & Beneficiary Tracing – Locate heirs and beneficiaries for estate matters. 
  • Credit Profile & Insolvency Checks – Assess financial stability lawfully. 


Specialist monitoring and intelligence gathering for individuals and businesses.

  • Static & Mobile Surveillance – Covert operations at home or on the move. 
  • Vehicle Tracking (where lawful) – Monitor vehicle movements accurately. 
  • CCTV Trawling – Review public and private camera footage. 
  • OSINT (Open Source Intelligence) Reports – Investigate online information sources. 
  • Social Media & Online Investigations – Analyse activity and connections. 
  • Intelligence Development & Analysis – Build actionable insights from gathered data. 
  • Pattern of Life Analysis – Identify habits and routines. 
  • Multi-Operative Surveillance Teams (where appropriate) – Larger operations with multiple investigators. 



Advanced technical services for security, counter-surveillance, and digital evidence.

  • Bug Sweeping / TSCM (Technical Surveillance Counter-Measures) – Detect hidden listening or recording devices. 
  • Digital Forensics (Phone, Laptop & Device Analysis) – Extract evidence from digital devices. 
  • Data Recovery – Recover lost or deleted information. 
  • Communications & Device Analysis – Investigate phone, email, and electronic activity. 
  • Counter-Surveillance – Detect and mitigate monitoring threats. 

 


Flexible, all-encompassing investigations tailored to your exact requirements - whatever the situation, we adapt to deliver results.

  • Fully customised investigations built around your specific objectives.
  • Combination of surveillance, tracing, digital, and intelligence-led methods as required.
  • Unusual, complex, or sensitive cases handled with discretion and professionalism.
  • One-off tasks or ongoing investigative support tailored to your needs.
  • Rapid deployment for urgent or time-critical instructions.
  • Support for private, legal, and corporate clients with complete flexibility.


  • Missing Pets – Locating lost or stolen cats and dogs with discreet, thorough investigations. 
  • Risk Assessments (Personal & Corporate) – Identify and manage potential threats. 
  • Cold Case Reviews / Case Reassessment – Re-examine unresolved investigations. 
  • Niche Investigation Services – Tailored to unique client requirements. 
  • Nationwide & International Investigations – UK-wide coverage and overseas enquiries. 
  • High-Net-Worth / Complex Investigations – Specialist work for intricate cases. 
  • Discreet & GDPR-Compliant Investigations – Private, lawful handling of sensitive data. 
  • Urgent & Time-Sensitive Instructions – Fast-turnaround investigations when required.


Our Core Coverage Areas & Nationwide Capability

While SJC Investigations is strategically headquartered in High Wycombe to provide rapid, localised deployment across London and the Home Counties, 

our active investigative network extends nationwide. 


We seamlessly handle national instructions, for solicitors, businesses, and private clients across the entirety of the UK.


For localised field surveillance, asset tracking, and personal document serving, our primary daily operational coverage includes:

  • Greater London: Central London, City of London, Westminster, Camden, Islington, Kensington & Chelsea, and all surrounding boroughs.
  • Buckinghamshire & Milton Keynes: High Wycombe, Milton Keynes, Aylesbury, Amersham, Chesham, Beaconsfield, and Marlow.
  • Bedfordshire: Bedford, Luton, Dunstable, Leighton Buzzard, and Biggleswade.
  • Berkshire: Slough, Maidenhead, Windsor, Reading, Bracknell, Wokingham, and Newbury.
  • Hertfordshire: Watford, St Albans, Hemel Hempstead, Rickmansworth, and Borehamwood.
  • Oxfordshire: Oxford, Thame, Henley-on-Thames, and Bicester.


Don't see your specific town listed above? 

We manage cases and deploy operatives through an extensive regional network.

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We cover all types of investigation, and are available 24/7 to discuss your case.

**We operate on a £250 minimum case fee basis**

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SJC Investigations

Nicholas Gardens, High Wycombe, Buckinghamshire, HP13 6JG, UK

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 SJC Investigations, Nicholas Gardens, High Wycombe, HP13 6JG | £250 Min. Case Fee | 24/7 Nationwide Deployment 

Copyright © 2026 SJC Investigations | Sole Trader T/A SJC Investigations | Fully ICO Compliant

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