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Inquire now for a FREE consultation with a confidential private investigator at SPI

Association of British Investigators Membership


You have suspicions, our private detectives in Derby get the evidence.

Private Investigators Derby

Sentry Private Investigators in Derby provide specialised surveillance services such as  corporate  investigations, bug sweeping, fraudulent insurance claims, people tracing, GPS vehicle tracking, cheating partner investigations, and background checks. With 10+ years experience operating in the investigations industry across Derby and the further East Midlands region, Sentry Private Investigators routinely provide highly skilled investigative services to support our clientele. We pride ourselves on the expert detectives that keep the business running from day to day. From former military personnel, police officers and other government agency operatives, we use the very best in the industry to deliver the outstanding results we achieve. 

SPI Professional Associations

Private Detectives Derby

Association of British Investigators

armed forces covenant

Armed Forces Covenant Bronze Awarded

institute of professional investigators

Institute of Professional Investigators

private detective agency Derby

UK Private Investigators Network

Private Detectives Derby

Professional, Cost-Effective Private Investigations in Derby

Gathering evidence and providing excellent customer service for our clients is what we strive for day in, day out. Our private investigator Derby services are tailored to case requirements in order to maximise the chances of securing the factual based evidence needed and in the most cost effective way. Our private investigations are conducted with the up-most professionalism but with a focus on keeping service costs to a minimum. If you require professional, and low cost private investigator services in Derby, call SPI today.

Values and Standards - Private Surveillance Derby


Our private surveillance services in Derby are delivered with integrity and professionalism on all accounts


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


All private investigations in Derby  are conducted 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 Confidential Private Detective in Derby 

Sentry Private Investigators are registered Data Controllers with the Information Commissioners Office (ICO). We are also on the approved lists of investigative providers with the Association of British Investigators (ABI),the UK Professional Investigations Network. and the Institute of Professional Investigators (IPI). When seeking private investigator Derby services, the approach of ensuring your investigation is conducted in a legal and ethical manner is paramount. SPI ensure all investigative services are practiced with UK privacy laws and data protection laws being adhered to. So, if you require the services of a private detective in Derby, you have come to the right place. To contact a private detective agency in Derby email SPI at

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