Corporate Investigation

Due-diligence Investigation

Due-diligence Investigation

The best way to minimize the risk associated with a business investment is to be in a position to make a well informed decision regarding the merits and risks associated with your acquisition target.

Ground Surveillance

Ground Surveillance

Our surveillance services are flexible, and we can put together a plan to best approach your situation, as it may call for pedestrian work, vehicle-based work, or even multi-vehicle surveillance.

Compliance Investigation

Compliance Investigation

Gunma has the skills, experience and resources to discretely assist companies and their compliance officers in the investigation and risk management of potential contraventions of their compliance policies.


Corporate Espionage

Corporate Espionage

Industrial espionage is the covert and sometimes illegal practice of investigating competitors to gain a business advantage.

Undercover role

Undercover role

In most cases, our operative will present themselves as a willing volunteer or employee and join the targeted organization or group.

Technical Surveillance Counter Measure

Technical Surveillance Counter Measure

Gunma is qualified, licensed and highly experienced private investigators have been providing world-class bug sweeping services to all organizations around the country for close to two decade.


Market Research

Market Research

Having access to research surrounding your company and those of your competitors can help you advance in the corporate world.