Global Engine and
Aircraft Consultants
Our expertise significantly reduces the ownership cost of aircraft and engines.

Expert
Witness
Expert witness services for aero engine expert witness testimony.

Due Diligence
& Valuations
Delivering effective and continuous improvements to all areas of operations.

Engine
Management
Engine contract negotiations, new engine selection, purchases and overhaul contracts.

Aircraft
Management
New aircraft deliveries and transitions, audits, lease contracts and record reviews.
Welcome to TGIS Aviation
We are a global network of engine and aircraft consultants to the airline industry. Our UK-based core team comprises specialists in engines, aircraft technical asset management and offers expert witness testimony in legal cases. The team’s attention to detail has helped to save our customers millions of dollars on engine and aircraft maintenance.
Put simply – our expertise can significantly reduce the ownership cost of aircraft and engines.
Case Studies
Find out how our expert witness testimony is helping our clients to win in court and how our technical expertise is helping operators, lessors and asset management companies reduce operating costs.