2008

• EOS Energiesparsysteme GmbH: since 2008 complete administration, business controlling, organisational structure, process and human resources management, structure organisation, project management, consultancy on financing and public funding opportunities
• Terracon Energy GmbH: since 2008 complete administration, business controlling, organisational structure, process and human resources management, structure organisation, project management, consultancy on financing and public funding opportunities, support in organising a national sales structure
• Mitteldeutscher Wanderfisch e.V.: since 2008 business start-up consultancy, project management

2007 and before

• Dachs: Dachs : since 2004 we have been operating a CHP station which generates environmentally friendly electricity, we help to organise regular Dachs  parties
• Since 2001:established clientele of 30 clients (mostly small businesses), administration, business and financial consultancy, project management, controlling
• 1994 until 2001: established clientele of 53 clients (mostly small businesses from trade, advertising, event management, engineering, as well as from the restaurant and building industry), administration, accounting, business consultancy; 2001 outsourcing of all accounting activities
• Heiwista Konzept GmbH: since 1998 business start-up consultancy, consultancy on financing und public funding opportunities, organisational structure consultancy, administration, commercial management of wind turbines at 16 sites in Germany and Denmark
• Terrawatt Planungsgesellschaft mbH: since 1996 complete administration, business controlling, organisational structure, process and human resources management, structure organisation, project management, consultancy on financing and public funding opportunities