About SquareOne
SquareOne is a venture capital firm founded in 2010. It is primarily based out of Berlin, Germany. As of Feb 2026, SquareOne has invested in 52 companies. It primarily invests in Seed round in Germany based startups. Its investments are spread across a wide range of sectors from Enterprise Applications to High Tech and FinTech. Most recently it participated in the $***** Series A round of Flinn Overall, SquareOne portfolio has seen 11 acquisitions including key companies like INAI, Pipedrive and Deed. A lot of funds co-invest with SquareOne, with names like Earlybird sharing a substantial percentage of its portfolio. SquareOne has team of 5 people including 3 partners.Key Metrics
Team Members
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Seed, Series A & 1 more
Portfolio Soonicorns
Deals in last 12 months
SquareOne's List of Top Investments
SquareOne has a portfolio of 52 companies. Their most notable investments are in Amorelie and coboworx.Their portfolio spans across Germany, United States, United Kingdom and 12 more locations. They have invested in Enterprise Applications, High Tech, FinTech and 20 other sectors, across stages such as Seed, Series A and 1 more. Here is the list of top investments by SquareOne:1. Stripe
Provider of financial infrastructure solutions for revenue growth and payment processing. It offers tools designed for individual or combined use to grow businesses. These tools enable payment acceptance and optimisation globally, both online and in person. The company facilitates various billing models and provides access to borderless money movement. It also offers resources for startups and platforms to build and scale their operations.
Key facts about Stripe
- Founded Year: 2010
- Location: San Francisco (United States)
- Valuation: $*****
- Stage: Series I
- Total Funding till date: $9.81B
- Employee Count: 14,632 as on Mar 31, 2026
- Investors: Glynn Capital, equitywestsecurities.com and 121 Others
- Latest Funding Round: Series I, Apr 08, 2024, $*****
- Highlight: Editors' Pick
2. INAI
Payment gateway solutions for businesses. Provides payment integration for businesses that let businesses be able to optimize their payment strategy, without writing any code. It also lets businesses manage data of payments, subscriptions, refunds, and chargebacks from a single dashboard.
Key facts about INAI
- Founded Year: 2021
- Location: London (United Kingdom)
- Stage: Acquired
- Total Funding till date: $4.12M
- Employee Count: 33 as on Sep 30, 2023
- Investors: Flucas Ventures, Astir Ventures and 23 Others
- Latest Funding Round: Seed, Sep 20, 2021, $*****
- Highlight: Acquired
3. Pipedrive
Provider of customer relationship management software and sales pipeline tools. The platform offers features such as lead management, sales automation, and reporting. It provides integrations with other business applications. The software helps teams manage customer data, track sales activities, and automate sales processes.
Key facts about Pipedrive
- Founded Year: 2010
- Location: Tallinn (Estonia)
- Annual Revenue: €22K as on Dec 31, 2023
- Last Known Valuation: $*****
- Stage: Acquired
- Total Funding till date: $91.1M
- Employee Count: 370 as on Sep 30, 2024
- Investors: Storm Ventures, Bluepointe Ventures and 24 Others
- Latest Funding Round: Series C, Jun 14, 2018, $*****
- Highlight: Acquired
4. Deed
Deed is a provider of volunteer management software solutions. The solutions offerings include Volunteer Management, a solution to post events and communicate with volunteers, donor tracking & management. The product is offered for companies, non-profits, and individuals. The product is offered for Google Play Store and the Apple App Store.
Key facts about Deed
- Founded Year: 2018
- Location: Brooklyn (United States)
- Stage: Acquired
- Total Funding till date: $12.1M
- Employee Count: 9 as on Dec 31, 2021
- Investors: ACE & Company, Earlybird and 12 Others
- Latest Funding Round: Series A, Dec 10, 2021, $*****
- Highlight: Acquired
5. Detectify
Provider of attack surface management and dynamic application security testing solutions. The business offers tools for attack surface discovery, classification, and scanning. Application and API scanning are available for vulnerability detection. Internal scanning capabilities cover internal applications and staging environments. Integrations with security workflows are also provided.
Key facts about Detectify
- Founded Year: 2013
- Location: Stockholm (Sweden)
- Stage: Acquired
- Total Funding till date: $42.1M
- Employee Count: 183 as on Jul 01, 2024
- Investors: Balderton Capital, Insight Partners and 9 Others
- Latest Funding Round: Series C, Sep 29, 2022, $*****
- Highlight: Acquired
SquareOne's Year-on-Year Investment Trends
SquareOne has invested in 52 companies over the last 16 years, with an average of 4 new investments annually in the last 10 years. In 2025, it made 6 investments, while as of Feb 2026, it has made 1 investment in this year. Its most recent first time investment was in Phase and most recent follow-on round was in Flinn.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 0 | 1 | 1 |
2025 | 3 | 3 | 6 |
2024 | 3 | 3 | 6 |
2023 | 6 | 3 | 9 |
2022 | 5 | 3 | 8 |
2021 | 6 | 2 | 8 |
2020 | 5 | 3 | 8 |
2019 | 0 | 1 | 1 |
2018 | 5 | 1 | 6 |
2017 | 2 | 0 | 2 |
SquareOne's Investments by Stage
SquareOne has made 21 investments in Seed stage with an average round size of $4.4M, 20 investments in Series A stage with an average round size of $9.87M and 1 investment in Series B stage with an average round size of $10.7M.Stage of entry | No. of Investments |
|---|---|
Seed | 21 |
Series A | 20 |
Series B | 1 |
Note: We have considered here, only first round of investments
SquareOne's Investments by Sector
SquareOne has a diverse portfolio, with companies operating in the Enterprise Applications, High Tech, FinTech, Vertical SaaS and Consumer. Notably, it has invested in 50 Tech companies, 46 Enterprise (B2B) companies, 37 Software companies and at least 21 companies focusing on Saas.Sector | No. of Investments |
|---|---|
Enterprise Applications | 28 |
High Tech | 13 |
FinTech | 8 |
Vertical SaaS | 8 |
Consumer | 5 |
Others | 40 |
Note: We have considered here, only first round of investments
SquareOne's Investments by Geography
SquareOne has made most investments in Germany (23), followed by United States where it has made 6 investments.Country | No. of Investments |
|---|---|
Germany | 23 |
United States | 6 |
United Kingdom | 4 |
Austria | 3 |
Estonia | 2 |
Others | 8 |
Note: We have considered here, only first round of investments
SquareOne's recent investments
SquareOne has made 1 investments in 2026 so far - Flinn.Here are the most recent investments by SquareOne:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Feb 19, 2026 | Austria | Series A | 8593 | [+3] | |
Sep 17, 2025 | United States | Series A | 3070 | ||
Mar 20, 2025 | Germany | Series A | 8388 | [+4] | |
Feb 14, 2025 | Germany | Series A | 5080 | [+7] | |
Feb 05, 2025 | Germany | Seed | 8016 | [+1] |
Acquired companies in SquareOne's Portfolio
11 companies from SquareOne's portfolio have been acquired. The most recent acquisition were Deed in Mar 2026 by Bonterra.Here are SquareOne's portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Mar 05, 2026 | Dec 19, 2020 | Seed | 6812 | |
Feb 26, 2025 | Sep 20, 2021 | Seed | 9185 | |
Oct 28, 2024 | Mar 16, 2018 | Series A | 1157 | |
Jun 19, 2023 | - | - | 3782 | |
Jun 01, 2023 | Jun 15, 2016 | Series A | 8119 |
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Team profile of SquareOne
SquareOne has a team of 5 members including 3 Partners and 2 Principals located in Germany and Spain. SquareOne's team does not sit on the board of any company as of now.Here is a list of all team members in SquareOne:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | Berlin | - | ||
Partner | Barcelona | - | ||
Partner | Germany | - | - | |
Principal | Munich | - | ||
Principal | Germany | - |
Co-investors of SquareOne
Over the past 16 years, 320 investors have co-invested in SquareOne's portfolio companies. This includes funds and angels.
- Invested before SquareOne: Paua Ventures, Y Combinator and 76 others have invested in rounds before SquareOne. There are 4 companies where Paua Ventures has invested before SquareOne and 3 companies where Y Combinator has invested before SquareOne.
- Top Co-investors of SquareOne: 132 investors entered a company along with SquareOne. These include investors like Earlybird (3 companies).
- Invested after SquareOne: A total of 110 investors have invested in SquareOne's portfolio after their investments. Top Investors include Europa (3 companies), Insight Partners (2 companies) and Atomico (1 company).
Recent News related to SquareOne
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Ultralytics Secures $30M Series A to Accelerate Vision AI InnovationMetrology News•Oct 03, 2025•SquareOne, Ultralytics, Elephant Venture Capital
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Ultralytics Raises $30M to Expand Computer Vision ModelsSiliconAngle•Sep 17, 2025•SquareOne, Ultralytics, Elephant Venture Capital
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C1 Green Chemicals lands $21.6M in fresh capital for green ...Biofuels Digest•Apr 01, 2025•Carbon One, denkapparat, Planet A, Maersk and 1 other
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Phase Secures $13 Million to Take on Figma with Advanced UI/UX Design PlatformBNext Media•Feb 14, 2025•Phase Genomics, Gobi Partners, 500 Global, 42 Capital and 6 others
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Baden-Württemberg-based PartsCloud Secures €5 Million in Seed FundingStartup Rise EU•Feb 06, 2025•PartsCloud, Newion, MBG Ventures, SquareOne
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German B2B tech startup PartsCloud bags €5M from Amsterdam’s Newion, othersSilicon Canals•Feb 05, 2025•PartsCloud, Newion, MBG Card, SquareOne and 2 others
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ZuriQ raises $4.2M to break quantum computing's scaling barrierGlobeNewswire•Jan 23, 2025•ZuriQ, Founderful, SquareOne, First Momentum Ventures and 4 others
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Flinn Ai receives 6 million euros with Brandl Tatos and SchönherrExtrajournal.Net•Oct 10, 2024•Flinn, Cherry Ventures, Speedinvest, SquareOne
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Austrian startup Flinn.ai secures €6M to transform medtech quality and compliance with AI automationSilicon Canals•Oct 01, 2024•Flinn, Cherry Ventures, Speedinvest, SquareOne and 1 other
