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Your advisers in every corner of the world
A leading group of independent management consulting firms, part of the GGI Global Alliance
The reach of the GCG Consulting network and of the GGI Global Alliance spans across multiple countries and sectors. Please see below our group's global figures.
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912Office locations worldwide
126Countries present in
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32kEmployees worldwide
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4.2kPartners worldwide
6.578BN/USD cumulative fee income
GCG and GGI members' clients include:
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Highly Qualified Consultants
We believe that bringing together like-minded professionals is paramount to forming lifelong relationships.
Latest insights
See allabout 17 hours ago
Members
Welcome to Barrasso Usdin from New Orleans
David N. Luder
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PRESS RELEASE
Members
about 17 hours ago
Welcome to Barrasso Usdin from New Orleans
David N. Luder
about 17 hours ago
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GCG PRESS RELEASE
Members
29 June 2026
GCG Deal Announcement | Delphi Advisors advised Wtech Fire Group and Waterland Private Equity
Tom Kubitza
29 June 2026
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PRESS RELEASE
Members
18 June 2026
Welcome to Goosmann Law Firm from Iowa
Jeana Goosmann
18 June 2026
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GGI FYI Real Estate News No 22 June 2026
Real Estate
16 June 2026
Smart real estate: How PropTech is transforming the market in Poland
Penteris
16 June 2026
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GGI FYI Real Estate News No 22 June 2026
Tax
16 June 2026
Update on a German tax problem: Double assessment of real estate transfer tax for the acquisition of company shares
Philip Goll
16 June 2026
Upcoming Events
See allGCG Trans-Atlantic Online Meeting - 16:00 pm CEST | 10:00 am EDT
GCG Capital Webinars
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09 September 2026
GCG Capital Webinars
09 September 2026
GCG Trans-Atlantic Online Meeting - 16:00 pm CEST | 10:00 am EDT
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15 September 2026
Webinars
15 September 2026
GGI Business Development & Marketing (BDM) Practice Group Quarterly Call - 16:00 pm CEST
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24-26 September 2026
Further Meetings
24-26 September 2026
GGI German-Speaking Chapter
Frankfurt am Main24-26 September 2026
Further Meetings
24-26 September 2026
GGI EasyMeet
Frankfurt am Main/https://storage.googleapis.com/ggi-backend-prod/public/media/7654/Paris-950.jpg)
11-12 November 2026
Conferences
11-12 November 2026
GGI French-Speaking Chapter
Paris
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Newest GCG & GGI members
It is critical to understand your clients needs and to be able to offer them efficient cross-border solutions. The membership in GCG Consulting and in GGI provides instant access to reputable professional services firms worldwide.
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Jeana Goosmann
Sioux City, IA, USAGoosmann Law Firm
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David N. Luder
New Orleans, LA, USABarrasso Usdin
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Dr Sebastian Auer
Schaan, LiechtensteinGASSER PARTNER Attorneys-at-Law
GGI Global Alliance
GCG Consulting is the advisory unit of GGI Global Alliance, the leading network of independent professional services firms worldwide.
Based in Switzerland, GGI has over 900 offices in 126 countries, generating an annual cumulative fee income exceeding USD 6.58 billion and counting 32,000+ professional staff. The connection to GGI allows GCG members to leverage GGI’s global presence of accountants, tax advisers, lawyers and business consultants, and to create profitable cross-border business opportunities.
Click here to learn more about GGI.
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