Unite connects the economy for sustainable business. The pioneering B2B platform brings buyers and sellers together for mutual benefit. Unite offers digital solutions that enable effortless sourcing, buying and selling, transacting, and collaborating. Unite solutions include the Spotmarket, Procurement Portal (Mercateo) and Financial Services (in partnership with an authorized Electronic Money Institute), elevated by a smart network hub. The platform’s scalable and flexible infrastructure helps facilitate connections, supporting business continuity and supply chain resilience. The ever-expanding ecosystem covers buyers, suppliers, manufacturers, distributors, technology partners, and networks. Built on Mercateo’s prominent spot-buying expertise and history, which began in 2000, Unite has got strong foundations: fair competition, trusted partnerships and European data sovereignty. Unite transforms B2B commerce and strengthens local economies – by adding and sharing value for better business and a better world. Unite’s HQ is based in Leipzig, Germany. The company has more than 700 employees across 15 countries. In 2021, Unite reported €406 million in revenue.

Open Positions


Procurement platform for business customers


Leipzig (headquarter), Köthen, Munich + 14 European countries


Apr 1999


May 2004 (Early Stage)





Dr. Sebastian Wieser

Founder & CEO

  • LinkedIn

Peter Ledermann

Board Member & Managing Director

  • LinkedIn

Dr. Bernd Schönwälder

Board Member & Managing Director

  • LinkedIn

Twitter feed

Join us

We look forward to learning about your venture.

Send deck

Combined years investing in enterprise tech start-ups


Years of combined experience in software development and R&D