COI Partners
COI Partners is a venture capital firm based in Frankfurt, Germany, focused on Late Stage startups. This profile covers its focus and how founders can get in front of it in 2026.
- Investment stages
- Late Stage
- Location
- Frankfurt, Germany
- Founded
- 2000
- Team size
- 11-50
- Portfolio companies
- 110+
- Latest deal on record
- April 2022
About COI Partners
COI Partners is a private equity investor focused on mid-sized growth companies in German-speaking countries - with offices in Zurich, Frankfurt am Main and Berlin. It has conducted direct investments for the last 21 years, supporting mid-sized companies in growth phases.
COI Partners seeks to invest in companies ranking #1-3 in each market with double-digit underlying company's growth, proven business models with at least EUR 10m in revenues and positive unit economics and energetic, visonary teams with proven managerial skills. Focused industries include Health-/Medtech/ Diagnostics, E-Commerce/ Retail Tech, SaaS/ Digital Services/ IT-Security, Advanced Materials/ Specialty Chemistry and Automation/ Robotics. The firms sweet spot are equity tickets between EUR 15-25 (including follow-on investments).
COI Partners benefits from its highly professional investment team as well as its stable network of entrepreneurs that provide investment capital as shareholders of the group and co-investors for direct investments. COI Partners builds on a wealth of experience from more than 50 equity investments and has 11 active investments under management currently in various sectors.
Source: the organization's public company profile.
How to pitch COI Partners
The founders who hear back from COI Partners lead with traction and a clear ask that matches its stage, not a generic mass email. Build a targeted, verified list, write a personalized note, and track who opens it, all in one place.
Connect with COI Partners
About this profile
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Cite this page
Round Funded. "COI Partners." Round Funded investor database, updated October 19, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/vc/coi-partners
Frequently Asked Questions
What is COI Partners?
COI Partners is a venture capital firm based in Frankfurt, Germany. Round Funded tracks its focus, stage, and activity alongside thousands of active investors.
What stage does COI Partners invest at?
COI Partners focuses on Late Stage rounds. Lead with traction that fits the stage when you reach out.
Where is COI Partners based?
COI Partners is based in Frankfurt, Germany. You can reach out from anywhere with a pitch that matches its focus.
How do I contact COI Partners?
Unlock a verified email for COI Partners and reach out with a personalized pitch on Round Funded. We show only deliverable contacts, so your outreach does not bounce.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.