# Christian Jantzen

> Christian Jantzen is a seed investor at Jantzen Renewables (London) backing SaaS and Software. See 31 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Jantzen Renewables](https://shizune.co/investors/profile/jantzen-renewables)
- Location: London, United Kingdom
- Total investments: 31
- Last investment: Dec 2022
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/chjant/
- X (Twitter): https://twitter.com/chrjantzen
- Website: https://x.com/chrjantzen

Christian Jantzen is a seed investor at Jantzen Renewables in London focused on SaaS and Software. Danish angel investor, based in London.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $500k–$3.5M |
| Pre-Seed | $233k–$1.8M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| SaaS | 8 | 26% |
| Software | 7 | 23% |
| Artificial Intelligence | 5 | 16% |
| Information Technology | 4 | 13% |
| B2B | 3 | 10% |

64 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 15 | 48% |
| Pre-Seed | 12 | 39% |
| Angel | 1 | 3% |
| Series A | 1 | 3% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Denmark | 10 | 32% |
| Sweden | 3 | 10% |
| Finland | 2 | 6% |
| United Kingdom | 2 | 6% |
| Kenya | 1 | 3% |

9 countries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| 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 |  |

10 of 31 investments shown.

## Co-investors
- [Seedcamp](https://shizune.co/investors/profile/seedcamp) — VC Fund, 12 deals together
- [The Nordic Web Ventures](https://shizune.co/investors/profile/the-nordic-web-ventures) — VC Fund, 8 deals together
- [PSV](https://shizune.co/investors/profile/preseed-innovation) — VC Fund, 7 deals together
- [WndrCo](https://shizune.co/investors/profile/wndrco-llc) — VC Fund, 4 deals together
- [Crowberry Capital](https://shizune.co/investors/profile/crowberry-capital) — VC Fund, 3 deals together
- [Nordic Makers](https://shizune.co/investors/profile/nordic-makers-vc) — VC Fund, 3 deals together

## About Jantzen Renewables

VC Fund

Jantzen Renewables create green investment opportunities and access to clean energy across Romania.

1 contacts available at Jantzen Renewables.

| Name | Title | Profile |
| --- | --- | --- |
| Christian Jantzen | Co-founder & Head of Commercial | https://shizune.co/investors/profile/christian-jantzen |

## Similar investors

### Similar industry
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [FJ Labs](https://shizune.co/investors/profile/fj-labs) — VC Fund
- [SOSV](https://shizune.co/investors/profile/sosv) — VC Fund

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

### Similar country
- [Vaekstfonden](https://shizune.co/investors/profile/v%C3%A6kstfonden) — VC Fund
- [PSV](https://shizune.co/investors/profile/preseed-innovation) — VC Fund
- [Seed Capital](https://shizune.co/investors/profile/seed-capital) — VC Fund

## Featured in investor lists
- [SaaS Angel Investors in Europe](https://shizune.co/investors/saas-angel-investors-europe)
- [Enterprise Angel Investors in Europe](https://shizune.co/investors/enterprise-angel-investors-europe)
- [Software Angel Investors in Europe](https://shizune.co/investors/software-angel-investors-europe)
- [All Investors in Denmark](https://shizune.co/investors/investors-denmark)
- [All Angel Investors in Denmark](https://shizune.co/investors/angel-investors-denmark)
- [SaaS Investors in Denmark](https://shizune.co/investors/saas-investors-denmark)

## 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.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co