# sonnen funding: rounds and investors

> sonnen has raised $155M across 2 rounds since 2016. Investors include Shell Ventures, Envision Group and Thomas Putter. Every round with its source.

Source: https://millionrounds.com/company/sonnen (Millionrounds; every figure on the page links to its filing or article)

Germany · [Funded startup](https://millionrounds.com/companies)

# Who invested in *sonnen*

2 rounds we have observed, with the 3 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Cleantech Industry 4.0

Funding summary Updated 26 Oct 2026

**$155M** raised across 2 rounds since 2016, from 2 sources

**$85M** Round **$70M** Round

- **Latest round:** Round, $70M May 2018
- **Biggest round:** $85M Round · Oct 2016
- **Investors:** 3

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2017 2018

**$85M** Round

**$70M** Round

- **First round:** Round, $85M
- **Biggest round:** $85M
- **Between rounds:** 19 months

## The rounds

- **May 2018** Round **$70M** *1 new* [Shell Ventures](https://millionrounds.com/fund/shell-ventures) Reported by FinSMEs
- **Oct 2016** Round **$85M** *2 new* [Envision Group](https://millionrounds.com/fund/envision-group) Thomas Putter Reported by FinSMEs

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Round** 2016 **Round** 2018 [Shell Ventures](https://millionrounds.com/fund/shell-ventures) [Envision Group](https://millionrounds.com/fund/envision-group) Thomas Putter

## Everyone who backed them

[Shell Ventures](https://millionrounds.com/fund/shell-ventures) Corporate VC **1** round

[Envision Group](https://millionrounds.com/fund/envision-group) VC firm **1** round

Thomas Putter no record of our own yet **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=sonnen).

## Quick answers about sonnen

### Who invested in sonnen?

sonnen's investors include Shell Ventures, Envision Group and Thomas Putter.

### How much has sonnen raised?

sonnen has raised $155M across 2 rounds since 2016.

### When did sonnen last raise?

sonnen's most recent round was an Undisclosed round of $70M in May 2018.

### What was sonnen's biggest round?

sonnen's largest round on record is $85M (Undisclosed round), in Oct 2016.

### Who backed sonnen first?

sonnen's first round on record, in Oct 2016, was backed by Envision Group and Thomas Putter.

### What stage is sonnen at?

sonnen's latest named round is an Undisclosed round, in May 2018.

### Where is sonnen based?

sonnen is based in Germany.

## Companies like sonnen

In the same sector, and raised in the last eighteen months.

[**Rabot Energy** $50M · Oct 2026](https://millionrounds.com/company/rabot-energy)[**Proxima Fusion** $636M · Jul 2026](https://millionrounds.com/company/proxima-fusion)[**Focused Energy** $280M · Jun 2026](https://millionrounds.com/company/focused-energy)[**VREY** $3.9M · Apr 2026](https://millionrounds.com/company/vrey)[**ILOS Projects** $530M · Apr 2026](https://millionrounds.com/company/ilos-projects)[**HeyCharge** $3.0M · Feb 2026](https://millionrounds.com/company/heycharge)

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