# Martin Sinner

> Martin Sinner is a seed investor at 360dialog (Berlin) backing Software and Internet. See 24 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [360dialog](https://shizune.co/investors/profile/360dialog)
- Location: Berlin, Germany
- Total investments: 24
- Last investment: Nov 2022
- Lead investor: 8%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/in/martinsinner
- X (Twitter): http://twitter.com/datarama
- Website: http://martinsinner.com

Martin Sinner is a seed investor at 360dialog in Berlin focused on Software and Internet. Martin Sinner is the COO at 360dialog.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $743k–$1.7M |
| Pre-Seed | $700k–$1.6M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 11 | 46% |
| Internet | 6 | 25% |
| iOS | 3 | 13% |
| Apps | 3 | 13% |
| SaaS | 3 | 13% |

44 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 11 | 46% |
| Pre-Seed | 4 | 17% |
| Funding Round | 3 | 13% |
| Angel | 2 | 8% |
| Series A | 2 | 8% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Germany | 17 | 71% |
| Spain | 1 | 4% |
| Sweden | 1 | 4% |
| United States | 1 | 4% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| persomatch GmbH | persomatch offers the first B2B AdTech SaaS solution for job advertising at the largest job marketplace Google via Google Ads, Google for Jobs and Google SEO |  | Angel | Nov 29, 2022 |  |
| Tyles | Tyles is a software startup that helps users harness information more efficiently and effectively. The startup allows high-performing professionals to build up critical knowledge at the highest speed possible. It currently functions as a modular note-taking tool, making it extremely simple to save information from any app, such as browsers, PDFfiles, or presentations, and keep yourself organized without friction. | $1.4M | Pre-Seed | Sep 21, 2022 |  |
| Tyles | Tyles is a software startup that helps users harness information more efficiently and effectively. The startup allows high-performing professionals to build up critical knowledge at the highest speed possible. It currently functions as a modular note-taking tool, making it extremely simple to save information from any app, such as browsers, PDFfiles, or presentations, and keep yourself organized without friction. | $1.5M | Seed | Sep 21, 2022 |  |
| Hero Software | Hero Software offers cloud software solutions that help make office work more efficient than ever. Companies can use HERO to digitize their entire project management process, from initial contact to offer to implementation and invoicing. The HERO app includes useful features for working on the road and visiting customers, such as customer andproject management, appointment scheduling, construction site documentation, task management, and more. | $8.4M | Series A | Jun 29, 2022 |  |
| persomatch GmbH | persomatch offers the first B2B AdTech SaaS solution for job advertising at the largest job marketplace Google via Google Ads, Google for Jobs and Google SEO |  | Seed | Nov 19, 2021 |  |
| Blloc | Blloc is a manufacturer of smartphones used to offer simplified user experience and privacy control. It unifies online services into a single timeline for productivity and meaningful interactions helping customers to get a premium user interface and experience in a smartphone. | $1.6M | Pre-Seed | Jun 01, 2019 |  |
| Linearity | Linearity GmbH is a Karlsruhe Germany based company behind Vectornator, an advanced vector design app that unlocks the power of vector graphics for everyone. Vectornator transforms your iPad and iPhone into a professional creative tool that enables you to create high quality illustrations anywhere you go. With its powerful tools, deep integrationsand intuitive user interface it enables you to create pretty much anything you can imagine. | $700K | Pre-Seed | Apr 01, 2019 |  |
| Linearity | Linearity is a software company whose products are designed to breathe new life into the design process and provide innovative ways of visualizing ideas. Known previously for the vector graphic design software Vectornator, Linearity’s product lineup includes vector and motion design tools like Linearity Curve and Linearity Move, tailored for bothmarketing professionals and enthusiasts. Linearity’s products are used to create millions of design assets every week. | $700K | Pre-Seed | Apr 01, 2019 |  |
| Massive Insights | Massive Insights GmbH provides software-as-a-service providing information of media channels through Veescore.com. |  | Seed | Feb 14, 2018 |  |
| Contentbird | Content creates digital identities and changes marketing. Together with their users, they have created a method that helps companies increase their digital visibility and win customers through content. | $2.1M |  | Feb 05, 2018 |  |

10 of 24 investments shown.

## Co-investors
- [ALSTIN Family GmbH](https://shizune.co/investors/profile/alstin-family-gmbh) — VC Fund, 2 deals together
- [APX](https://shizune.co/investors/profile/apxberlin) — VC Fund, 2 deals together
- [Berlin Ventures](https://shizune.co/investors/profile/berlin-ventures) — VC Fund, 2 deals together
- [Diaspora Ventures](https://shizune.co/investors/profile/diaspora-ventures) — VC Fund, 2 deals together
- [HR Pepper](https://shizune.co/investors/profile/hr-pepper) — VC Fund, 2 deals together
- [NCA](https://shizune.co/investors/profile/nca) — VC Fund, 2 deals together

## About 360dialog

VC Fund · Berlin, Germany

Berlin based 360dialog has been selected by WhatsApp as one of only a handful European partners. With our platform​ we grant brands access to the WhatsApp Business API by our Messaging API, Integration platform, Conversational Inbox or on-premise.

3 contacts available at 360dialog.

| Name | Title | Profile |
| --- | --- | --- |
| Martin Sinner | COO | https://shizune.co/investors/profile/martin-sinner |
| Gerrit Rode | Managing Director & Founder | https://shizune.co/investors/profile/gerrit-rode |
| Karsten Reichel | Head of Finance and Controlling | https://shizune.co/investors/profile/karsten-reichel |

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## FAQ

### What does Martin Sinner invest in?

Martin Sinner invests primarily in Software, Internet and iOS startups, most often at Seed and Pre-Seed stage. Most of the 24 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Martin Sinner's check size?

Martin Sinner typically joins rounds of $743k–$1.7M at Seed and $700k–$1.6M 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 Martin Sinner participates in.

### When did Martin Sinner last invest?

The most recent investment recorded for Martin Sinner closed in Nov 2022. Shizune tracks 24 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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