# Cosuno: Construction, Berlin, Germany

> Cosuno: Cosuno is a construction-tech software company founded in 2019 by Christoph Berner, Fritz Cramer, and Maximilian Seifert. Based in Berlin, Germany.

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

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

# Cosuno

Cosuno is a construction-tech software company founded in 2019 by Christoph Berner, Fritz Cramer, and Maximilian Seifert.

Funding reported Last round: Series B

Construction Berlin, Germany

Company summary

- **Founded:** 2019 7 years old
- **Team:** 110 51 to 200 people
- **Funding reported:** 45M as listed, currency not stated
- **Last round:** Series B Feb 2022

How sure we are

- ✓ **Listed** We know it exists and what it does
- 2 **Funding reported** A company dataset reports a raise
- 3 **Observed** A filing or a dated announcement confirms a round

No round for Cosuno has been confirmed by a filing or an announcement yet, so nothing here counts toward an investor's record. [How we decide](https://millionrounds.com/methodology)

## About Cosuno

Cosuno is a construction-tech software company founded in 2019 by Christoph Berner, Fritz Cramer, and Maximilian Seifert.

The company specializes in digitizing and automating tendering and awarding processes within the construction industry. Its software-as-a-service (SaaS) platform is designed to enhance the efficiency of construction project procurement, making it easier for users to manage tendering and contract awarding. The platform offers automated tendering, AI-generated pricing for calculations and negotiations, and access to a network of 250,000 bidders. Cosuno's solution aims to improve transparency, save time, and help users secure more bids and better award margins. It supports various workflows related to procurement, bidding, and subcontractor management, catering to general contractors, developers, architects, and trade contractors. Cosuno combines expertise in construction and technology to serve professionals looking to modernize their procurement processes.

## What company datasets say Cosuno raised

Funding, as reported

Reported in all **45M** in the source's currency

Last round **Series B**

Last round size **30M**

Last round date **Feb 2022**

Investors listed **5**

## On a portfolio page

Investors who name them

- [Avenir](https://millionrounds.com/fund/avenir)

Each firm lists Cosuno on its own website. That is the firm's claim, a weaker thing than a round we watched, but a named source.

## The company, in detail

What they build

Known for

software fuer gewerke nachunternehmermanagement software fuer architekten angebotsmanagement baumanagement digitale ausschreibung aufgabenverwaltung bausoftware einkaufsoptimierung vergabemanagement software fuer generalunternehmer

Built with from their website

Google Tag Manager Amazon CloudFront HREF Lang AWS Trusted Advisor Atlassian TypeScript YouTube Google Workspace Infinite Scroll Albacross

+8 more

CloudFlare Viewport Meta Google Drive Terraform HTTP/3 Finsweet Amazon AWS Amazon S3

- **Sector:** Construction
- **Industry code:** NAICS 513210, SIC 7372
- **Region:** Berlin
- **Revenue:** 3.1M a year, as listed

## Construction in Germany

Startups like it

- [**klarx** Muenchen · founded 2015 *Raised*](https://millionrounds.com/company/klarx)
- [**ecoworks** Berlin · founded 2019](https://millionrounds.com/startup/ecoworks)
- [**VARM** Berlin · founded 2023](https://millionrounds.com/startup/varm)
- [**Vemcon GmbH** Munich · founded 2012](https://millionrounds.com/startup/vemcon-gmbh)
- [**ecopals** Berlin · founded 2021](https://millionrounds.com/startup/ecopals)
- [**STYLIQUE - Interior Design Platform** Duesseldorf · founded 2017](https://millionrounds.com/startup/stylique-interior-design-platform)
- [**Parkstory GmbH** Munich · founded 2021](https://millionrounds.com/startup/parkstory-gmbh)
- [**NOVO** Berlin · founded 2022](https://millionrounds.com/startup/novo-7)

## Is this your company?

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