Discreetly identifying the source of ongoing material losses on a construction project
A construction company approached us after experiencing repeated and unexplained stock shortages across multiple sites. Materials were disappearing regularly, creating both financial loss and operational disruption.
The management team suspected internal involvement but had a serious concern: acting without proof could lead to wrongful accusations, employment disputes, or tribunal proceedings.
They needed facts — not suspicions.
The Situation
Despite introducing tighter stock controls and internal checks, losses continued. The open nature of construction sites made monitoring difficult, and no individual could be linked to the missing items.
The company faced two risks:
- continued financial loss if the thefts persisted
- legal exposure if an innocent employee was accused
Morale was also deteriorating. Honest staff felt mistrusted, while management could not confidently identify the cause.
Objectives
We agreed a clear and lawful investigation plan:
- establish how materials were leaving the site
- identify whether internal or external parties were involved
- gather verifiable, documented evidence
- allow the company to take appropriate action without legal risk
Our Approach
We conducted a confidential consultation with senior management to understand site routines, delivery schedules and staff movements.
From this, we designed a targeted surveillance strategy focused on high-risk time periods rather than continuous monitoring. This allowed us to operate discreetly and avoid disruption to legitimate work activities.
Our operatives carried out covert observation from lawful public positions and documented activity in structured logs supported by evidential imagery. No interaction occurred with employees and the investigation remained unknown to staff throughout.
All work was conducted within UK legal and data protection frameworks.
Findings
During the investigation we identified a consistent pattern of activity linked to specific individuals and timeframes. Materials were being removed from site in a coordinated manner outside normal operational procedures.
Each incident was recorded with timestamps and supporting photographic evidence, producing a clear evidential timeline.
The Outcome
We provided the client with a structured evidence report suitable for internal HR processes and, if required, legal proceedings.
As a result the company was able to:
- address the matter through appropriate disciplinary procedures
- stop the ongoing losses immediately
- avoid accusations based on suspicion
- restore confidence among legitimate staff
Following the investigation, the company introduced improved site security procedures based on our recommendations.
Most importantly, management were able to act with certainty rather than assumption, significantly reducing the risk of employment disputes.
Confidential Advice for Employers
If your business is experiencing unexplained losses, it is essential not to confront staff without evidence. Doing so can create significant legal liability even where suspicions later prove correct.
We will explain what information can lawfully be obtained and how an investigation can be conducted without disrupting your business.
“Details have been anonymised and certain operational methods withheld to protect client confidentiality.”
Speak to an investigator in confidence — no obligation.
