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private investigator Milton Keynes


You have suspicions, our Milton Keynes private detectives get the evidence.

Association of British Investigators Membership

Private Investigator Milton Keynes

Sentry Private Investigators in Milton Keynes provide specialised surveillance services including corporate and fraud investigations, bug sweeping, insurance fact finding, people tracing, vehicle tracking, cheating partner investigations, and background checks. SPI have been conducting covert investigations in Milton Keynes for over a 10 years whilst building a strong and positive reputation based on trust and a high standard of investigative practices. Our surveillance services are in high demand in Milton Keynes, and we tailor our approach to suit individual case requirements at cost effective rates. SPI utilise the very best and dedicated private investigators the industry has to offer, all with former military, police and other government agency backgrounds.




Private Investigators UK - Industry Professional Associations

ABI Logo

Association of British Investigators

armed forces covenant

Armed Forces Covenant Bronze Awarded

institute of professional investigators

Institute of Professional Investigators


Corporation of Professional Investigators 

UK PIN logo

UK Private Investigators Network

Milton Keynes Private Investigation Surveillance Services

Contact a Private Investigator In Milton Keynes at SPI Today

Frequently Asked Questions

Discreet, Cost-Effective Private Investigators in Milton Keynes

The discreet services provided by Sentry Private Investigators in Milton Keynes are offered at highly competitive rates. SPI believe in fair pricing for investigative services which reflects on our price list. With SPI you will receive  an exceptional service at a fair price. Please visit our Pricing page for our full list of rates and fees. 

Values and Standards of a Private Investigator in Milton Keynes


Our private investigator Milton Keynes services are delivered with integrity and professionalism on all accounts


Our private investigations are conducted with robust ethical standards and accountability at all levels


The private investigator Milton Keynes services we provide are in compliance with UK privacy and data protection laws


A quality service at a cost effective price is what we deliver with both our private investigations and corporate investigations

Hire a Registered Private Investigator in Milton Keynes

Sentry Private Investigators in Milton Keynes are registered Data Controllers with the Information Commissioner's Office (ICO). Additionally, we SPI are on the approved list of investigative service providers with the UK Professional Investigations Network (UKPIN) and the Association of British Investigators (ABI). In an unregulated sector it is more important than ever to ensure your private investigator operates within the strict guidelines of UK privacy law and UK data protection laws. With full membership of the ABI, clients can rest assure SPI are compliant with the associations good practice and data protection policies. If you need to contact a private investigator in Milton Keynes, call SPI today or use the contact form on our Contact Us page.

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