Guido Nienhaus, Venture Partner at Clarissima Capital is an active investor based in Amsterdam, North Holland. This profile covers what Guido Nienhaus backs, at which stage, and how founders can reach out in 2026.
Guido Nienhaus is a Venture Partner at Clarissima Capital and a Partner at Xence Finance, focusing on corporate finance and strategy for knowledge-intensive sectors.
Guido Nienhaus invests in SaaS & Enterprise, Fintech and Media & Content, typically at Early Stage Venture and Late Stage Venture.
- Investor type
- VC
- Stages
- Early Stage VentureLate Stage Venture
- Invests in
- SaaS & EnterpriseFintechMedia & Content
- Location
- Amsterdam, North Holland
- Typical check
- $3.8M
How to reach Guido Nienhaus
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Round Funded. "Guido Nienhaus." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/guido-nienhaus
Frequently Asked Questions
Who is Guido Nienhaus?
Guido Nienhaus, Venture Partner at Clarissima Capital is an active investor based in Amsterdam, North Holland. Guido Nienhaus invests in SaaS & Enterprise, Fintech and Media & Content, typically at Early Stage Venture and Late Stage Venture.
What does Guido Nienhaus invest in?
Guido Nienhaus invests in SaaS & Enterprise, Fintech and Media & Content, typically at Early Stage Venture and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Guido Nienhaus invest at?
Guido Nienhaus typically invests at Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Guido Nienhaus's typical check size?
Guido Nienhaus typically writes checks around $3.8M. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
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.