The Sigma Conso management team

Sigma Conso was founded in 2002 by a team of former consolidators and financial managers who wanted to develop the tool they had always dreamt of having. The company now has 600 clients around the world and provides them with the right tools, which evolve over time, to facilitate financial management.

Allen White

Sigma Conso co-founder


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Allen developed the first consolidation software application for Société Générale de Belgique in 1980. He created his own company in 1985 to provide consolidation consulting and develop financial and legal information systems for groups. He continues to follow the development of Sigma Conso's software very closely. He is the author of many consolidation reference books and leads training courses and seminars.

Dominique Galloy

Group C.E.O.


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Dominique began working with international CPM software companies in 1996. He has held a number of management positions including services director and regional manager. He joined Sigma Conso in 2006 to manage the group's operations.

Annie Frère

Director Luxembourg


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In the possession of a Master in Mathematics, Annie started her career as analyst at the R&D department of the Generale Bank and as a responsible of the administration of International Credits before taking control of the strategic marketing of SMEs. In 1986, Annie joined Allen White as co-founder of Conso Services and is hereby at the origin of Sigma Conso’s foundation. Today, Annie works actively on the strategic and international development of the group. 

Hans Devloo

Senior Consultant & Director


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Hans has over 25 years experience in consolidation and reporting. He has worked in many listed groups and currently leads consolidation training sessions.
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Corporate brochure Sigma Conso
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