Christian Jantzen
Co-founder & Head of Commercial @ Jantzen Renewables
London, United Kingdom
Christian Jantzen is a seed investor at Jantzen Renewables in London focused on SaaS and Software. Danish angel investor, based in London.
- Total investments:
- 31
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Christian Jantzen invests in
Stages Christian Jantzen invests in
Countries Christian Jantzen invests in
Round sizes
Round size
- Seed
- $500k–$3.5M
- Pre-Seed
- $233k–$1.8M
Investment Focus
Industry
- SaaS 8 (26%)
- Software 7 (23%)
- Artificial Intelligence 5 (16%)
- Information Technology 4 (13%)
- B2B 3 (10%)
Stage
- Seed 15 (48%)
- Pre-Seed 12 (39%)
- Angel 1 (3%)
- Series A 1 (3%)
Country
- Denmark 10 (32%)
- Sweden 3 (10%)
- Finland 2 (6%)
- United Kingdom 2 (6%)
- Kenya 1 (3%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Dreamdata
|
Dreamdata offers a B2B activation and attribution platform that unifies go-to-market data into a coherent customer journey map. It consolidates behavioral site tracking, CRM, ad platforms, and intent sources to create an event-based, account-centric data model. From this foundation, it enables audience activation, AI-driven signal detection, andattribution of marketing efforts to revenue outcomes. Dreamdata also incorporates its proprietary IP-to-company resolution engine to improve company identification within web traffic. | $7.3M / Series A / Dec 06, 2022 | |
Heyhack
|
Heyhack is an automated penetration testing platform that scans web apps and APIs for web vulnerabilities and helps in fixing them. | $1.6M / Pre-Seed / Jun 24, 2022 | |
LiveFlow
|
Meet your finance team's new superpower: LiveFlow eliminates the endless hours of manual financial reporting that keep CFOs and their teams stuck instead of driving strategic value. By automating your month-end close process from days to minutes, LiveFlow acts like your highest-performing analyst who works 24/7 with perfect accuracy. Notonly does this free your team from the monthly close chaos, but it also means you can finally focus on what you actually became a CFO for – delivering insights that move your business forward. | $3.5M / Seed / Dec 21, 2021 | |
|
LiveFlow
|
Meet your finance team's new superpower: LiveFlow eliminates the endless hours of manual financial reporting that keep CFOs and their teams stuck instead of driving strategic value. By automating your month-end close process from days to minutes, LiveFlow acts like your highest-performing analyst who works 24/7 with perfect accuracy. Notonly does this free your team from the monthly close chaos, but it also means you can finally focus on what you actually became a CFO for – delivering insights that move your business forward. | $3.5M / Seed / Dec 21, 2021 | |
Fullview
|
Fullview is a B2B platform that builds and sells products to companies to scale the customer support. Fullview enables companies to monitor users' screens instantly, guide them with multiplayer screen control and in-app video calls for faster live support and much more. | $1.8M / Pre-Seed / Nov 17, 2021 | |
Medusa
|
For developers who must customize e-commerce setups, Medusa is a new digital commerce engine that provides extensibility and customizability with low developer effort. Unlike Shopify, BigCommerce and others, we offer an open, modular architecture that removes the need for hacky workarounds and secures maintainability and speed. | $950K / Pre-Seed / Jun 24, 2021 | |
Butter
|
Butter is a video platform built to make online meetings and workshops flow as smoothly as butter. The platform helps users to run highly engaging and effective collaborative sessions. They focus on facilitators, moderators, and hosts by providing them with all of the tools they need to engage participants in one place. Its workspace gives a teamone place to create rooms, share templates, and access recaps. | $2.8M / Seed / Apr 08, 2021 | |
|
Dreamdata
|
Dreamdata offers a B2B activation and attribution platform that unifies go-to-market data into a coherent customer journey map. It consolidates behavioral site tracking, CRM, ad platforms, and intent sources to create an event-based, account-centric data model. From this foundation, it enables audience activation, AI-driven signal detection, andattribution of marketing efforts to revenue outcomes. Dreamdata also incorporates its proprietary IP-to-company resolution engine to improve company identification within web traffic. | $3.8M / Seed / Dec 07, 2020 | |
Leetify
|
We help gamers identify their weaknesses, work on those weaknesses and track their progression. | $955K / Seed / May 13, 2020 | |
|
Leetify
|
We help gamers identify their weaknesses, work on those weaknesses and track their progression. | $973.9K / Pre-Seed / May 13, 2020 | |
| See all 31 investments → | |||
Co-Investors
About Jantzen Renewables
Jantzen Renewables create green investment opportunities and access to clean energy across Romania.
Jantzen Renewables Contacts
| Name | Phone | Socials | |
|---|---|---|---|
|
Christian Jantzen
Co-founder & Head of Commercial
|
|||
4 more contacts available
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FAQ
What does Christian Jantzen invest in?
Christian Jantzen invests primarily in SaaS, Software and Artificial Intelligence startups, most often at Seed and Pre-Seed stage. Most of the 31 investments tracked by Shizune back companies in Denmark. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Christian Jantzen's check size?
Christian Jantzen typically joins rounds of $500k–$3.5M at Seed and $233k–$1.8M at Pre-Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Christian Jantzen participates in.
When did Christian Jantzen last invest?
The most recent investment recorded for Christian Jantzen closed in Dec 2022. Shizune tracks 31 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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