The IBExpert KG was founded by Holger Klemt in 1991 as HK-Software. Since then the company has been operating in Development, Support, Training/Coaching and Programming. One of the products from IBExpert KG is the IBExpert, which is a professional Integrated Development Environment (IDE) for the development and administration of InterBase and Firebird databases. Holger Klemt is known to many Firebird, InterBase and Delphi developers as the author of a book about the SQL database InterBase, published by bhv, and also from the lectures he has held at the American and German Borland/Inprise Developer Conferences. The IBExpert KG is organizer of the Firebird-Conference since 2003.

Since 1995 Wintech Italia Srl offers onsite training on Delphi given by Marco Cantù and other experts, mostly focusing on advanced topics, at worldwide locations. Marco gave classes around Europe, in the US and Canada, in Australia and Far East countries. He is also a frequent conference speaker.