# CarOnSale: Information technology & services, Berlin, Germany

> CarOnSale: CarOnSale, legally registered as Castle Tech GmbH, is a prominent pan-European digital B2B marketplace focused on the used car wholesale industry.

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

Germany · [Information technology & services startup](https://millionrounds.com/companies)

# CarOnSale

CarOnSale, legally registered as Castle Tech GmbH, is a prominent pan-European digital B2B marketplace focused on the used car wholesale industry.

Funding reported Last round: Series C

Information technology & services Berlin, Germany

Company summary

- **Founded:** 2018 8 years old
- **Team:** 250 201 to 1,000 people
- **Funding reported:** 158.6M as listed, currency not stated
- **Last round:** Series C Jul 2025

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 CarOnSale 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 CarOnSale

CarOnSale, legally registered as Castle Tech GmbH, is a prominent pan-European digital B2B marketplace focused on the used car wholesale industry.

Founded in 2018 and based in Berlin, Germany, the company has quickly established itself as a leader in Germany's dealer-to-dealer sector while expanding throughout Europe. CarOnSale aims to streamline automotive wholesale by connecting professional car dealers and OEMs through a comprehensive software ecosystem. The company offers an end-to-end suite of services that includes a B2B marketplace and auction service, vehicle inspections, logistics and transportation, payment processing, market pricing algorithms, and financing solutions. CarOnSale operates on an asset-light model, facilitating transactions without owning the vehicles. Its platform is designed to enhance transparency, efficiency, and trust among users, making it a key player in the automotive wholesale market. The company targets professional used car dealers, auto dealerships, OEMs, and lease-return companies across Europe, with a goal of scaling to annual sales of 1 million used cars.

## What company datasets say CarOnSale raised

Funding, as reported

Reported in all **158.6M** in the source's currency

Last round **Series C**

Last round size **82.1M**

Last round date **Jul 2025**

## On a portfolio page

Investors who name them

- [Bootstrap Europe](https://millionrounds.com/fund/bootstrap-europe)

Each firm lists CarOnSale 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

consumers certified vehicle trading trade-ins distribution inventory management vehicle logistics truck vehicle inspection utility trailer automotive software vehicle procurement information technology & services automotive data analytics logistics & supply chain financial services lease returns

Built with from their website

Salesforce Email Studio Airtable Google Maps Salesforce Marketing Cloud Account Engagement Docker Git Kiosked ChatGPT Amazon SES Google Tag Manager

+8 more

Salesforce Service Cloud Amazon CloudFront Tableau REST Salesforce VisualForce Salesforce CRM Analytics Salesforce Marketing Cloud HREF Lang

- **Sector:** Information technology & services
- **Industry code:** NAICS 53212, 423110, 519290, SIC 7359
- **Region:** Berlin
- **Revenue:** 83.5M a year, as listed

## Information technology & services in Germany

Startups like it

- [**Helsing** Munich · founded 2021 *Raised*](https://millionrounds.com/company/helsing)
- [**Parloa** Berlin · founded 2018 *Raised*](https://millionrounds.com/company/parloa)
- [**Black Forest Labs** Freiburg · founded 2024 *Raised*](https://millionrounds.com/company/black-forest-labs)
- [**n8n** Berlin · founded 2019 *Raised*](https://millionrounds.com/company/n8n)
- [**Sereact** Stuttgart · founded 2021 *Raised*](https://millionrounds.com/company/sereact)
- [**osapiens** Mannheim · founded 2018 *Raised*](https://millionrounds.com/company/osapiens)
- [**RobCo** Munich · founded 2020 *Raised*](https://millionrounds.com/company/robco)
- [**Noxtua** Berlin *Raised*](https://millionrounds.com/company/noxtua)

## Is this your company?

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