# Markus Buchner

> Markus Buchner is a seed investor in Vienna backing Telecommunications. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Location: Vienna, Austria
- Total investments: 2
- Last investment: Jan 2026
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/markusbuchner/

Markus Buchner is a Managing Director at yuutel.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.4M–$2.1M |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Sipfront | Sipfront is a Telco testing service for establishing SIP call scenarios towards your VoIP systems. | $2.1M | Seed | Jan 26, 2026 |  |
| Sipfront | Sipfront is a Telco testing service for establishing SIP call scenarios towards your VoIP systems. | $1.4M | Seed | Jan 30, 2024 |  |

2 of 2 investments shown.

## Co-investors
- [tecnet equity](https://shizune.co/investors/profile/tecnet-equity) — VC Fund, 4 deals together
- [Airbridge Equity Partners](https://shizune.co/investors/profile/airbridge-equity-partners) — VC Fund, 1 deal together

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### Similar stage
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### Similar country
- [Speedinvest](https://shizune.co/investors/profile/speedinvest) — VC Fund
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## Featured in investor lists
- [Enterprise Angel Investors in Austria](https://shizune.co/investors/enterprise-angel-investors-austria)
- [Hardware Investors in Austria](https://shizune.co/investors/hardware-investors-austria)

## FAQ

### What does Markus Buchner invest in?

Markus Buchner invests primarily in Telecommunications startups, most often at Seed stage. Most of the 2 investments tracked by Shizune back companies in Austria. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Markus Buchner's check size?

Markus Buchner typically joins rounds of $1.4M–$2.1M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Markus Buchner participates in.

### When did Markus Buchner last invest?

The most recent investment recorded for Markus Buchner closed in Jan 2026. Shizune tracks 2 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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