# Roger Gothmann

> Roger Gothmann is a seed investor in Hamburg backing SaaS and Software. See 5 investments, check sizes, portfolio and contact details. Updated Sep 2026.

- Type: Angel Investor
- Location: Hamburg, Germany
- Total investments: 5
- Last investment: Aug 2024
- Lead investor: 0%
- Last updated: Sep 2026
- LinkedIn: https://www.linkedin.com/in/roger-gothmann-taxdoo/
- Website: https://www.taxdoo.com/de/autor/dr-roger-gothmann/

Roger Gothmann is a seed investor in Hamburg focused on SaaS and Software. Dr. Roger Gothmann is the co-founder and MD of Taxdoo, a Hamburg-based TaxTech company transforming from Europe's leading VAT compliance platform into an AI-powered real-time accounting solution for e-commerce. Before founding Taxdoo in 2016, he spent more than a decade in the German federal and state tax administration, including as a taxauditor at the Federal Central Tax Office (BZSt). He holds a doctorate from the University of Hamburg and degrees from the University of Bonn. As a lecturer, he has delivered over 1,000 seminars for tax professionals through institutions including NWB, IFU, and Dr. Endriss. He is a founding member of the TeCIT Club. As an angel investor, he backs early-stage tech companies at the intersection of technology and regulation — including Tangany, traide, Plancraft, Cbamboo, and n8n. He hosts the podcast and newsletter Skin in the Game, covering transformation, Private Equity, and AI in the German tax advisory market.

## Contacts

5 contacts available for Roger Gothmann: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/roger-gothmann?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Series A | $13M–$20M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| SaaS | 2 | 40% |
| Software | 2 | 40% |
| B2B | 1 | 20% |
| Analytics | 1 | 20% |
| Blockchain | 1 | 20% |

12 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 2 | 40% |
| Series A | 2 | 40% |
| Pre-Seed | 1 | 20% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Germany | 4 | 80% |
| United Kingdom | 1 | 20% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| CBAMBOO | Cbamboo is building the operating system for the world's carbon border taxes. Our mission is to keep firms compliant and drive them to decarbonise their supply chains. Our work focuses on the Carbon Border Adjustment Mechanism (CBAM), the world's first carbon border tax, which will apply to EU importers in dozens of industries fromOctober 2023. We are developing AI tools to forecast CBAM costs, analyse embodied carbon, model the knock-on effects on prices, and report back on sustainability metrics. Our products will address the needs of importers, who pay CBAM directly, as well as their suppliers and their customers. As carbon border taxes evolve and spread globally, Cbamboo plans to be at the forefront of helping firms to integrate carbon costs into their management decisions.Cbamboo was founded in May 2023 at Carbon13, the venture builder for the climate emergency, and is based in London. | $1.5M | Pre-Seed | Aug 02, 2024 | https://cbamboo.com |
| Plancraft | MISSION We empower our customers to focus on what they love: crafts & construction VISION In times of automation, individual and high-quality work of craftsmen will be as demanded as ever. Plancraft paves the way for profitable projects by bringing powerful calculation to an easy-to-use and accessible level. | $13M | Series A | Jun 05, 2024 | https://plancraft.de |
| traide AI | Remaining international customs processes with state-of-the-art deep learning technology |  | Seed | Aug 29, 2023 | https://www.traide.ai |
| Tangany | Tangany provides a custody Wallet as a Service for businesses to easily integrate blockchain technology into legacy and new systems via an API. The provided infrastructure comes with the ability to create and store private keys safely in a FIPS140-2 certified HSM environment, to sign transactions and to send those transactions via connectors to thechosen blockchain. The connectors (Meta Blockchain API) enable clients to connect to different public (like Ethereum or Bitcoin) and private blockchains (like Hyperledger or Privat Ethereum instances). | $7.6M | Seed | Apr 20, 2022 | https://tangany.com |
| Xentral | Xentral is a comprehensive business software that enables modern teams to map and manage their products and services centrally and thus share them with the world even more successfully.Startups and established companies from all industries use Xentral to access more than 1,000 functions in the areas of sales, product, logistics, finance, team,and project management. From order processing to delivery, Xentral takes over the most important processes and offers its users an intelligent platform for organizing the business areas. For example, Xentral simplifies customer communication, automates the pick-pack-ship process, controls production, avoids errors in accounting, and offers interfaces with almost all shops, marketplaces, fulfillers, and suppliers worldwide. Xentral offers its business platform as a commercial version Xentral Home in three different packages from 65 euros per month. | $20M | Series A | Jan 13, 2021 | https://xentral.com/ |

5 of 5 investments shown.

## Co-investors
- [HTGF (High-Tech Gruenderfonds)](https://shizune.co/investors/profile/high-tech-gr%C3%BCnderfonds) — VC Fund, 3 deals together
- [Prequel Ventures](https://shizune.co/investors/profile/prequel-ventures) — VC Fund, 2 deals together
- [Sequoia Capital](https://shizune.co/investors/profile/sequoia-capital) — VC Fund, 2 deals together
- [Visionaries Club](https://shizune.co/investors/profile/visionaries-club) — VC Fund, 2 deals together
- [BitStone Capital](https://shizune.co/investors/profile/bitstone-capital) — VC Fund, 1 deal together
- [Bool Capital](https://shizune.co/investors/profile/bool-capital) — VC Fund, 1 deal together

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## FAQ

### What does Roger Gothmann invest in?

Roger Gothmann invests primarily in SaaS, Software and B2B startups, most often at Seed and Series A stage. Most of the 5 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Roger Gothmann's check size?

Roger Gothmann typically joins rounds of $13M–$20M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Roger Gothmann participates in.

### How do I contact Roger Gothmann?

Public channels for Roger Gothmann include LinkedIn and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### When did Roger Gothmann last invest?

The most recent investment recorded for Roger Gothmann closed in Aug 2024. Shizune tracks 5 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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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