Private Investigator in Reading

Updated 5 October 2026 by Investigation Bureau

Reading is the anchor of the Thames Valley, the M4 corridor where global technology companies keep their UK head offices and a large part of the workforce commutes through a single station. Corporate work created this corridor's demand for investigators. Investigation Bureau covers Reading and Berkshire for corporate, surveillance and personal investigations.

A typical Thames Valley case begins at a desk. A contractor is billing two employers for the same hours. An engineer's personal cloud storage turns busy during the notice period. A supplier proves to be little more than a letterhead. A senior hire has a CV that will not quite reconcile. Personal casework (matrimonial, family, tracing) runs alongside, played out across commuter timetables and a belt of towns from Wokingham to Newbury. Both kinds are worked to the same standard: evidence a court or tribunal can use.

Free, confidential first conversation: send an enquiry.

Corporate investigations on the M4 corridor

This is corporate investigation territory. The usual subjects are IP and data taken by departing staff, contractors who moonlight or double-bill, executive due diligence on hires and investments, and checks on suppliers and partners before a contract is signed. In the Thames Valley the wrongdoing is usually digital, and our cyber investigations work covers that side. Cases about employees go through workplace investigations, prepared to the standard an employment tribunal expects.

Covert surveillance in Reading

Surveillance in Reading has three settings. The first is the station and its commuter flows, where the Elizabeth line, the Great Western main line and local services meet. The second is the Oracle and the town centre, covered on foot. The third is the business parks, covered by vehicle: Green Park, Thames Valley Park and Winnersh Triangle, where campus layouts and barrier-controlled car parks call for proper reconnaissance, not improvisation. Junctions 10 to 12 of the M4 make a mobile follow quick to begin and easy to lose badly. Planning and the size of the team decide which, and we staff each job to suit.

People tracing across Berkshire

Our tracing work covers Reading, Wokingham, Bracknell, Newbury and the towns along the Thames: debtors who have moved on from a rented flat, missing family, beneficiaries, former employees. Commuter housing turns over fast here, so a paper trail goes stale quickly. We do not rely on a database hit. We confirm the address at the door. No trace, no fee applies on suitable tracing cases.

How a Reading case starts

One free, confidential conversation: start a confidential enquiry and we reply within one working day. We work out the smallest operation that answers the question and quote it as a fixed price in writing before any work begins. Deployment is usually within days; tell us if it is urgent. We report in writing.

Areas we cover in the Thames Valley

Reading, Wokingham, Bracknell, Maidenhead, Slough, Henley-on-Thames, Newbury, Thatcham, Basingstoke and the wider Thames Valley.

Frequently asked questions

Can you prove an employee or contractor is working a second job on our time?

Yes. We use lawful observation, a verified picture of the other employment and documented patterns, all gathered to the standard an employment tribunal expects. Remote and hybrid roles have made this a common workplace question across the Thames Valley.

Do you handle cases involving data taken to a competitor?

Yes. A departing-employee IP case combines open-source and digital enquiries with conventional investigation: who they met, where they went, and what the new venture is really offering. We work alongside your solicitors so that everything gathered can be used in proceedings.

Put your Reading case to an investigator. Free, confidential and no obligation: send a confidential enquiry.

Related reading: Corporate · Covert surveillance · Cyber investigations · Workplace