It was based in Abingdon, Oxfordshire and was listed on the London Stock Exchange, at one point being a constituent of the FTSE 100 Index.

In 1994, TI Group transferred the Dowty landing gear business into a joint venture that it formed with SNECMA, which became known as Messier-Dowty.

Throughout the late 1990s, the group acquired numerous other companies, including Technoflow Tube Systems, Bundy Asia Pacific, S&H Fabricating and Engineering, Kenmore Italiana, Walbro Corporation, and Marwal.

[7] During 1963, the company bought kettle manufacturers Russell Hobbs in 1963; that same year, Sir Ivan Stedeford retired as chairman and chief executive officer and became life president.

[19][20] In 1994, TI Group transferred the Dowty landing gear business into a joint venture that it formed with SNECMA, which became known as Messier-Dowty.

[21] According to Tony Edwards, the chief executive and chairman of the merged entity, while acknowledging there having been some difficulties due to a lack of preparation, he regarded it as being: "a successful example of European integration that works".

[22] At one point, TI Group had ambitious to wholly own Messier-Dowty, however the French government made any such deal impossible.

[28][3] The three major divisions were: The group also owned TI Creda, a manufacturer of domestic cookers, and owned TI Chesterfield Cylinders, a manufacturer of pressurised gas cylinders for companies such as BOC and Air Products and Chemicals: the business was sold and the factory moved from Chesterfield to Sheffield.