
Private Investigator Cambridge | SPI
Covert Surveillance Services
TSCM Bug Sweeps
People Tracing
Background Checks


GATHER EVIDENCE
REVEAL TRUTHS
TAKE CONTROL
Discreet & Confidential Cambridge Private Investigator
As a trusted private investigator in Cambridge and the surrounding areas, SPI offer a professional service designed to meet your investigative needs with precision and absolute discretion. Working with trusted UK professional networks, we specialise in mobile surveillance, TSCM bug sweeps and people tracing,. Our team of highly skilled investigators utilise advanced techniques and the latest technology to deliver reliable results. Whether you're dealing with infidelity, corporate espionage, fraud, or need to locate a missing person, we have years of experience investigating even the most complex cases. Our main priority it to provide confidential and tailored private investigations to build concrete evidence with every case.
Enquire now for a free consultation with Sentry Private Investigators in Cambridge.
Private Detective Agency Cambridge - Professional Associations
Surveillance Specialist Cambridge Investigations
Specialist Private Investigation Services

SPI host an extensive range of private detective Cambridge services designed to give individuals the answers they need. Many people approach us with family or relationship concerns, and while investigating a suspected cheating spouse is common, our expertise goes far beyond that. We frequently assist clients involved in divorce proceedings, child custody disputes, sensitive legal matters and other private investigations. When you hire a private investigator in Cambridge from SPI, you can be confident that our professional findings are supported by detailed, court-ready reports that strengthen your case and complement essential legal documents. Our Cambridge private detectives are discreet, reliable, and skilled at managing delicate situations with professionalism. We also offer surveillance operations, background checks, process serving and criminal defence investigations to support clients in both personal and legal challenges. Every case is tailored to your unique needs, ensuring accurate and useful results. By combining modern technology with proven investigative techniques, SPI deliver outcomes that not only stand up in legal settings but also help to make informed decisions when you need it most.
Suspected infidelity? Our Cambridge private investigators offer covert surveillance investigations and other services tailored to catch a cheating spouse. Our investigation agency is dedicated to gathering clear, high definition video to detail your partners movements, who they are meeting and what they doing. We also deploy discreet GPS vehicle tracking devices to monitor vehicle movements in Cambridge and the surrounding areas, including Bury St Edmunds, St Neots and Saffron Walden. Vehicle tracking services are provided for short sessions or extended time periods, dependent on the situation. If you suspect a cheating partner in your relationship, don't let it go unchallenged, get in investigated.
Tracing agents at SPI are utilised for various reasons. Whether it’s for debt recovery, finding old friends, lost relatives or close family members. We also use a tracing agent professional service as precursors to surveillance operations and other investigations. Our Cambridge tracing services source accurate address data and contact information within 24 hours with a ‘no find, no fee’ guarantee. This eliminates any financial risk in the event of a negative trace result.
SPI's investigations support people as they navigate difficult divorce proceedings. Hiding assets and new relationships is a common practice we see all too often. It's deceitful behaviour as it increases one sides financial settlement if assets are not declared or go undetected. Our professional investigators conduct discreet cohabitation investigations to evidence hidden assets and concealed living arrangements.
Corporate Investigations
SPI's offer corporate clients comprehensive private detective services in Cambridge. This includes specialist due diligence checks for businesses across the city and surrounding areas. Company owners strive to run smooth and efficient operations, but issues caused by certain employees, partners, or associates can quickly disrupt progress. Our corporate investigations in Cambridge are designed to uncover the truth, providing reliable evidence gathering techniques to counter internal fraud, theft, and corporate malpractice. As a trusted business private investigator Cambridge, SPI also conducts discreet background checks on potential employees, directors, and suppliers to help companies make informed choices and reduce risk. Our dedicated team of highly skilled investigators assist with workplace theft concerns, compliance breaches, intellectual property disputes, and HR concerns, always handling each case with professionalism and confidentiality. Every investigation is supported by a clear, detailed report that can be used internally or in legal proceedings. By partnering with SPI, local companies gain the support of a highly experienced Cambridge detective agency, ensuring their assets, reputation, and business interests remain protected.

Employees often fabricate reasons for absence periods which creates a negative impact on day to day business operations. SPI's investigators in the Cambridge area conduct discreet investigations on workforce employees to reveal the real reasons for absence. We provide photographic evidence and video evidence backed up by comprehensive reports on completion of our operations.
Fraudulent workplace injury claims can have huge financial impacts on businesses in Cambridge. They can also increase insurance premiums and destroy reputations. Our corporate investigations target specific injuries which in turn counters fraudulent claims and fabricated medical records.
Some companies may have security measures implemented to prevent workplace theft, but not all thieves will be deterred. SPI deploy undercover investigators into workplaces to evidence theft with various investigative techniques including statement taking. This allows business owners to take action and start legal proceedings.
Trusted Private Investigator in Cambridge

Trust is a pivotal factor in whether clients accept proposals from a private investigations agency, with transparency playing a key role. PI's in Cambridge area are not bound by government regulation, creating difficult hurdles when building trust. This lack of oversight makes it essential for clients to perform thorough due diligence before hiring an investigator. Rogue detectives often promise impossible results, charge excessive fees, and fail to deliver, leaving clients frustrated and vulnerable. Our professional investigators stand apart by offering realistic expectations, transparent costs, and clear communication throughout the investigation. We work closely with our business clients, private clients and family members. We tailor our approach to the specific needs of clients and prioritise ethical, professional practices. SPI strive for achieving results which are relied upon for complete peace of mind. Furthermore, we can either act at short notice or with a more paced approach with regular updates to suit client timeframes.
TSCM Bug Sweeps Cambridge
TSCM bug sweep investigations are available to both businesses and private individuals in the Cambridge area who are concerned about threats to their privacy and security. Our expert technicians are highly trained, discreet, and use the latest, most advanced detection equipment to identify and neutralise hidden surveillance devices. Sentry Private Investigator's TSCM services are tailored to residential properties, offices, and vehicles, ensuring every environment is thoroughly checked. We uncover hidden microphones, cameras, GPS trackers, and other electronic eavesdropping devices, giving clients complete peace of mind. Beyond detection, we provide professional advice on preventing future breaches, helping you safeguard sensitive information. With SPI, you can trust that your security is our priority, handled with discretion, professionalism, and meticulous attention to detail.
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Swift Cambridge
Deployments
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Government Level Bug Detection Equipment
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Office, Home and Vehicle TSCM Bug Sweeping Cambridge

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Expert TSCM Technicians
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Lower Rates Against Competitors
Cambridge Private Investigator FAQs
Have questions about hiring professional private detectives in Cambridge? Our Frequently Asked Questions page covers everything, from costs and investigation types, such as serving documents for legal purposes, debt recovery or vehicle tracking. Get clear answers, understand the process, and see how Sentry Private Investigators can help you uncover the truth discreetly, professionally and with the highest standards.
01.
What types of investigations do you handle in Cambridge?
We handle a wide range including infidelity, corporate fraud, employee background checks, and surveillance.
02.
How familiar are you with the Cambridge area?
Our investigators know Cambridge inside out, allowing us to operate efficiently and discreetly.
03.
Can you help with missing person cases in Cambridge?
Yes, we have a strong track record of locating missing persons quickly and effectively in Cambridge and nearby areas.
04.
What makes Sentry Private Investigators different in Cambridge?
We combine local knowledge with professional expertise to deliver reliable and discreet results.
05.
How much does an investigation in Cambridge typically cost?
Costs vary by case complexity, but we offer transparent pricing and free initial consultations.
06.
Are your Cambridge investigations compliant with local laws?
Absolutely, all our investigations strictly adhere to UK laws and GDPR regulations.
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Reliable and Decisive Private Investigators in Cambridge
When you need answers, discretion, and results you can trust, SPI is here to help. Our Cambridge private investigators bring years of experience in covert surveillance, counter-surveillance, locating missing persons and process serving. We know how frustrating it feels when something doesn’t add up, whether it’s in your personal life, your business, or your own safety. That’s where we step in. If you need clarity, speak with us today and we’ll guide you through your options. At Sentry Private Investigators, we combine proven private investigation techniques with modern technology to deliver clear, actionable intelligence. We’re not just another agency offering detective services; we’re a dedicated team who knows the Cambridge area inside out. From the busy city centre and Grafton Shopping Centre, to the quieter surrounding villages, our local knowledge gives us an edge when it comes to discreet operations and effective results which are all compiled in extensive reports on completion. A quick, confidential chat with us could be the first step towards the truth you’re looking for.

Surveillance You Can Rely On
Discreet surveillance is at the heart of our investigations. Whether you need to confirm suspicions, protect your assets, or gather evidence, our private detectives in Cambridge know how to stay one step ahead. We use a mix of traditional methods and advanced equipment to discreetly monitor movements, capture activity, and provide you with a clear picture of the truth. Our clients trust us because we deliver reliable, court-ready evidence gathering techniques without ever compromising confidentiality. If you need solid proof to help make informed decisions, we can provide it. Reach out today and let’s discuss how.
Counter-Surveillance for Peace of Mind
In today’s world, it’s not just about who you’re watching, it’s about who might be watching you. Our counter-surveillance private investigations are designed to identify and neutralise potential threats to your privacy and security. From bug sweeps to behavioural analysis, we can spot the signs of unwanted attention and take the right steps to protect you, your family, or your business. If you feel like someone’s watching, don’t ignore your instincts. Contact us to hire a private investigator and get it checked out discreetly.
People Tracing Services – Find Who You’re Looking For
Lost contact with someone important? Need to reconnect with a relative, an old friend, or even trace a debtor? Our tracing services are fast, discreet, and highly effective. With access to specialist databases and years of practical experience, we locate private individuals both locally and further afield. Unlike generic online search tools, we apply real investigative skill to ensure accurate results. If you’ve hit a dead end, let Sentry pick up the trail for you.
Why Choose Sentry Private Investigators in Cambridge?
We know there are plenty of private investigation agencies out there, but few can match our combination of experience, local insight, and client-focused approach. At SPI, you’ll deal directly with professional investigators who genuinely care about solving your problem. We won’t drown you in jargon or false promises. Instead, we’ll give you honest advice, keep you updated throughout the investigation, and deliver results you can actually use. Our private detectives in Cambridge are always discreet, legal, and ethical. Most importantly, we understand that making the first call to a private investigator can feel daunting. That’s why we make the process simple, confidential, and completely tailored to your needs. You can talk to our private investigators in complete confidence. We operate to the highest standards and your situation stays private. You’ll get straight answers from the start with Sentry Private Investigators.
Take the First Step Today
If you need answers, don’t wait any longer. Contact Sentry Private Investigators in Cambridge today for a no-obligation, confidential discussion about your situation. Whether it’s discreet surveillance, counter-surveillance, or to serve documents for legal purposes, we have the skills, experience and a proven track record to help you move forward with confidence.
SPI's Approach to Private Investigation Services
Professional Approach
SPI's professional private investigators treat cases with a determined and motivated approach to ensure the best possible outcomes. We operate with integrity and discipline on all accounts.
Ethical Techniques
Our investigative services are conducted with robust ethical standards, accountability and absolute discretion at all levels to protect our private and corporate clients interests.
Compliant Procedures
SPI's Cambridge private investigations have a track record of being conducted in compliance with extensive knowledge of UK privacy laws, GDPR and the Data Protection Act 2018.
Quality Services
A quality, personal service at a cost effective price is what we deliver for our Cambridge clients. Our expert private detective work is praised regularly praised and appreciated through positive reviews and testimonials.





