# Rainer Diera

> Rainer Diera is a seed investor backing FinTech, Finance and Internet. See 4 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Total investments: 4
- Last investment: Jul 2019
- Lead investor: 25%
- Last updated: Aug 2026

Rainer Diera is a seed investor focused on FinTech and Finance. Rainer Diera

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $559k–$1.1M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| FinTech | 1 | 25% |
| Finance | 1 | 25% |
| Internet | 1 | 25% |
| Software | 1 | 25% |
| Angel Investment | 1 | 25% |

6 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 2 | 50% |
| Angel | 1 | 25% |
| Series A | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| weffect (a brand of STRATACT) | weffect is a SaaS platform that enables all employees to make measurable and monetisable contributions to the bottom line – at the touch of a button.Employees are nudged by personalized AI-based recommendations delivered via the weffect app. Employees are encouraged to estimate and regularly share their own impact on the bottom line - based onmodern behavioral theory.weffect - It’s all about empowering employees to do the right things more often. | $734K | Series A | Jul 29, 2019 |  |
| teamecho | The simple online solution for the continuous analysis of employee satisfaction and working environment. | $340K | Angel | Apr 17, 2019 |  |
| Gateway Ventures | Gateway Ventures is Austria's biggest network of startup investors with currently over 4000 investors. We foster the Austrian and European startup eco-system by connecting investors and startups. Our startup portfolio covers FinTech, CleanTech, HeathTech, IT & Software, Big Data & Social Impact. We have financed >40 startups withseed fundings over € 30M+Gateway Ventures was founded in December 2015. Over 1000 investors and 200 partners are currently participating in the network, including European incubators, accelerators and VCs.https://www.gateway.ventures | $1.1M | Seed | Nov 23, 2018 |  |
| weffect (a brand of STRATACT) | weffect is a SaaS platform that enables all employees to make measurable and monetisable contributions to the bottom line – at the touch of a button.Employees are nudged by personalized AI-based recommendations delivered via the weffect app. Employees are encouraged to estimate and regularly share their own impact on the bottom line - based onmodern behavioral theory.weffect - It’s all about empowering employees to do the right things more often. | $559K | Seed | Apr 24, 2018 |  |

4 of 4 investments shown.

## Co-investors
- [kaze ventures GmbH](https://shizune.co/investors/profile/kaze-ventures-gmbh) — VC Fund, 2 deals together

## Similar investors

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

### Similar country
- [Speedinvest](https://shizune.co/investors/profile/speedinvest) — VC Fund
- [tecnet equity](https://shizune.co/investors/profile/tecnet-equity) — VC Fund
- [aws Gründungsfonds](https://shizune.co/investors/profile/aws-grnderfonds) — VC Fund

## Featured in investor lists
- [All Angel Investors in Austria](https://shizune.co/investors/angel-investors-austria)
- [Financial Services Angel Investors in Austria](https://shizune.co/investors/financial-services-angel-investors-austria)
- [Finance Investors in Austria](https://shizune.co/investors/finance-investors-austria)
- [Finance Angel Investors in Austria](https://shizune.co/investors/finance-angel-investors-austria)
- [Internet Angel Investors in Austria](https://shizune.co/investors/internet-angel-investors-austria)

## FAQ

### What does Rainer Diera invest in?

Rainer Diera invests primarily in FinTech, Finance and Internet startups, most often at Seed and Angel stage. Most of the 4 investments tracked by Shizune back companies in Austria. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Rainer Diera's check size?

Rainer Diera typically joins rounds of $559k–$1.1M 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 Rainer Diera participates in.

### When did Rainer Diera last invest?

The most recent investment recorded for Rainer Diera closed in Jul 2019. Shizune tracks 4 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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