companion d
companion d

Your Buildup Companion

»We build up & invest in b2b-digital innovators to shape global markets.«


As Company Builder we invest in and build up dynamic small + mid-sized companies with innovative b2b-solutions and products with significant potential for digital growth ("Growth Transformation"). 

With our investment company COMPANION Capital we focuses on seed financing and the organization of early stage investments from 100k up to 1 Mio. €. We have 20 years of experiences in private equity + venture capital; plus we cooperate stage-wise with meaningful PE + VC partners located in DACH and USA.   

Our clients benefit from extensive digital b2b-build up and sales experiences, an exclusive advisory board network, senior industry experts and strategic innovation partners such as Silicon Foundry (a leading Silicon Valley capital fund with investments such as Slack, Uber, or SpaceX) or Silicon Valley Bank (the global leading venture bank). 






Photo by thomas-bethge/iStock / Getty Images

alt text Seed financing
alt text Funding support for ABC investment rounds
alt text Due diligence + M&A support
alt text Managers, board members, experts
alt text B2B growth + go to market strategy
alt text Sales + business development
alt text Silicon Valley footprint + team




Univativ Management GmbH

– German market leader in specialized personnel services


Our founder Jan Stenger from COMPANION D supported the build up and growth of univativ, a specialist in personnel services, as advisory board member. He assisted the successful takeover of univativ by the Triton fund, a European Private Equity.



kiwigrid GmbH

– German leading industry platform for Energy IoT / Smart Home


As an investor, longtime advisor and mediator for this digital leader in the energy-IoT sector, COMPANION D were able to attract a well-known group of investors from major international corporations such as innogy SE and LG Electronics, to invest a double-digit million investment in the second financing round. Additionally, we were able to win a global strategic partnership with BMW.



Flowtify GmbH

 – Digital B2B-solutions for hygiene and safety management in the food industry

Bildschirmfoto 2018-03-09 um 14.01.44.png

Our involvement within this unique digital B2B food concept is our best reference case for all services which we offer to our clients as a buildup companion. COMPANION D acts as first round investor, board member, strategic business advisor to the founding team, and as connector to other key investors from the very first hour of its foundation in 2015. Since then, Flowtify shows tremendous customer growth, winning designated German food retailers such as Metro Group, Edeka, real SB Group, Rewe to Go; or large restaurant chains such as Marchè, Dinea (by Kaufhof) or Mövenpick Hotel Gastronomy. The obvious success pays off: Flowtify’s digital business contribution in the food sector was honored with several awards such as the Food Start Up 2017, Food Award 2017 for Best Innovation, the Innovation Award of the Federal Republic of Germany, and recently the Intergrastra Innovation Award 2018.



Venios GMBH

– European smart grid technology & innovation company for the energy sector


COMPANION D is first round investor of Venios, an enabler for power utilities to manage complexity in a decentralized energy world. In 2018, we successfully headed a significant investment consortia for the second investment round around of 1 Mio. €. Venios received the “Start-Up of the Year Award” during the European Utility Week 2015, won the Cloud4SociateyAward of Microsoft, was nominated as the Cloud Innovation Worldcup Winner by Navispace and received the best team award “Smart Grids – ICT-based energy systems” in 2012 from the Federal Ministry for Economic Affairs and Energy (BMWi) and RWE AG.




– a digital B2b2C retail platform for global boutique stores


As board member COMPANION D invested in the first round of 2017 and acts as strategic business advisor to optimize products and business model. In 2018, we headed an investment consortia for the second round of
1 Mio. €. Sugartrends is a fast growing b2b2c platform with 400 exclusive stores in more than 100 cities in 20 European countries offering 15k products. Recently, Sugartrends has an exclusive partnership with Eurowings (a Lufthansa subsidiary) for buying its products on board.




Buya Ramen LTd

– System restaurant chain for Asian Fusion Food in the USA


This unique restaurant idea was created and realized by COMPANION D and its US-investment partners in the trendy city of St. Petersburg, FL. With high customer ratings and country-wide acknowledgement Buya Ramen already achieved a positive cost-income rate in the first year of operation. As management team member we invested in the seed phase of restaurant set up and shaped an investment consortia for expanding this scalable concept to other major gourmet restaurant cities at the West Coast + in Germany. Our previous experience in the food + beverage industry and our close cooperation with recognized restaurant experts in Europe and the US significantly helped us to ramp it up successfully from scratch.