int/ext Communications AG

Corporate. Public. NPO. ​ int/ext Communications is an agile consulting agency with full service offering. We take responsibility and get personally involved in the interest of our clients. Our strengths are strategies, concepts and projects for large and mid-size enterprises, public bodies and non profits.​ We are specialists for communication challenges outside the daily routine: prestige projects and M&A, change processes, issues and crises or to build and protect your reputation. ​As the exclusive Swiss partner of PROI Worldwide, we draw on the global expertise of our network in 50 countries.


int/ext Communications AG
St. Johanns-Vorstadt 22
4056 Basel, Switzerland
 +41 61 264 88 00


 Marcel Trachsel


Construction and Property Corporate and Financial Services Energy and Industrial Health Politics Science Transport

Competencies / Services:

Change Communications Corporate Social Responsibility Crisis Communications Internal Communications Media Relations Public Affairs Social Media Management Sponsorship Strategic Consulting


  • Employees: 8
  • Agency founded: 1994