About us

– Our mission
– Strategic direction
– Highlights

Customer-oriented management consulting

OneStone Consulting, Management consulting, Market experts

Our Mission

OneStone Consulting started in 1997 as a consultancy company for the business to business industries. The idea behind OneStone is to assist clients in their strategies and positioning with quality market research.

This is a successful concept: it was first introduced to international German companies, and now, we can use experience from more than 600 projects with more than 70 international companies. Our goal is to improve the competitiveness and success of our clients in international markets.

The strategic direction

We supply tailor-made solutions for individual customer needs. Our work is most successful when we work closely with clients who are dissatisfied with the status quo and who share our passion for results.

For us it is very important to fulfil and exceed our client’s expectations and to keep deadlines. We are 100% focused on your business goals.

Size doesn’t always matter

Foundation: 1997 by Dr.-Ing. Joachim Harder

Annual turnover: 0.1 – 0.5 million Euro


Employees: 1-10 permanent staff,

plus freelancers, worldwide


Locations: Hamburg, Barcelona, Varna

Client satisfaction

“Choosing an excellent consultant is a difficult task. You need to be convinced by the consultant‘s quality and expertise. On the other hand it is important, that the ‘chemistry’ fits. We are pleased to contribute our part.”


Joe Harder
since more than 20 years in OneStone Consulting

By continuing to use the site, you agree to the use of cookies. Durch die weitere Nutzung der Seite stimmen Sie der Verwendung von Cookies zu. More information

Die Cookie-Einstellungen auf dieser Website sind auf "Cookies zulassen" eingestellt, um das beste Surferlebnis zu ermöglichen. Wenn du diese Website ohne Änderung der Cookie-Einstellungen verwendest oder auf "Akzeptieren" klickst, erklärst du sich damit einverstanden.