Corporate Investigations
Espionage, internal theft, due diligence, mergers and takeovers — domestic and international.
Read more →Cook County · North Shore & North Cook
Private Investigators in
Northbrook, Illinois
Northbrook is an office corridor laid over a wealthy residential village. Lake Cook Road carries corporate campuses with controlled car parks and staffed lobbies — premises where an approach has to be arranged rather than improvised — while the housing north and west of the centre runs to large lots, long private drives and mature screening. Both halves push the same way: this is a town where the work is planned in detail beforehand, because improvising in either setting is conspicuous.
- County
- Cook County
- Main approach
- the Edens Expressway and Lake Cook Road
- From our office
- About 18 minutes
- Established
- 1991 · 35+ years
Why we are called to Northbrook
What makes the work here different.
- 01Corporate campuses on the Lake Cook Road corridor with due diligence or internal matters
- 02Executive and board-level households with personal security and travel concerns
- 03Screened, large-lot properties where observation must be planned rather than improvised
About Northbrook
A little history of Northbrook.
German farming families settled the area in the 1830s, and the village incorporated in 1901 as Shermerville, after one of those settlers. Clay deposits supported a substantial brickmaking industry that supplied Chicago’s rebuilding. Residents voted to rename the village Northbrook in 1923, after the north branch of the Chicago River that runs through it.
We have worked across Cook County since 1991. Knowing a community — how it was laid out, how it grew, how people actually move through it — is part of how an investigation gets done properly here.
Most requested in Northbrook
Where our work here concentrates.
We offer all twelve practice areas everywhere we operate. These are simply the three that Northbrook asks for most.
Executive Protection
Professional bodyguard and protection services for executives, celebrities, and high-net-worth individuals.
Read more →TSCM — Bug Sweeps
Technical Surveillance Counter Measures and electronic eavesdropping detection.
Read more →Nearby
We also work in these communities.
Northbrook, Illinois
Talk it through, in confidence.
If something is still in question in Northbrook — a case, a claim, a person, a room — call us. The first conversation costs nothing and goes no further.