JK Development GmbH — General-Guisan-Strasse 6, 6300 Zug, Switzerland

Tolles Unternehmen, Team, Service und Management. Sie wissen, was sie tun und liefern über Jahre hinweg einen hervorragenden Mehrwert.

Nikita Yampolski

Top Telemarketingagentur!

Andreas Bernhard

Fachleute, die ihre Arbeit kennen und mit denen die Zusammenarbeit sehr einfach ist.

Ray Eijke

Mega

Raphi Kuhn

We have been working with JK-Development for some time now and are completely satisfied. The collaboration is reliable, transparent, and always based on mutual respect. The dependable deadlines and clear planning are particularly noteworthy, providing us with a great deal of security throughout the project. The return on investment in the projects has exceeded our expectations. We look forward to continuing our collaboration and are happy to recommend JK-Development!

claudio antonica

JK Development is the telemarketing specialist for business clients in Switzerland, Germany, and Austria. The team consistently delivers fast and reliable consulting, service, and project management. It generates targeted customer appointments. The service offering is clearly structured: It is based on qualified address data of C-level decision-makers. Building on this, JK Development meaningfully complements its core telemarketing business, for example, through customer care services, partner and pipeline management, as well as content creation and social selling via LinkedIn and HubSpot. This offering enables effective upselling and cross-selling and helps systematically expand the customer base. Thank you very much for such professionalism and quality; we are extremely satisfied with the results!

Aldo Manella