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Flat Capital

Flat Capital

Stockholm, Stockholm Countyflatcapital.com

Overview

Flat Capital is an investment company that focuses on growth stage companies with prominent entrepreneurs in leading positions and primarily makes investments through its network of world-class investors and entrepreneurs. The company aims to provide long-term capital and is essentially a passive minority owner, at the same time as the Company's experience and network are available to the extent that the contractor wishes.

Year Founded

2013

Portfolio Companies

20

Investments

Flat Capital investments
CompanyDateStageLead
OpenAIApr 2023TenderCo-investor
FigmaJun 2021Series ECo-investor
DiscordMar 2022Series I ExtensionLead
LovableFeb 2025SeedCo-investor
RemoteApr 2022Series CCo-investor
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Key People

Nina Siemiatkowski

Co-Founder

Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

Premium
SeedSeries ASeries BGrowth

Portfolio analytics

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Investment Activity

Yearly cadence, pace, and funding raised over time.

Premium
2021
2022
2023
2024
2025
2026

Portfolio analytics

Caplight clients see yearly investment pace and funding raised over time.

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FAQ

Where is Flat Capital based?

Flat Capital is headquartered in Stockholm, Stockholm County, Sweden.

When was Flat Capital founded?

Flat Capital was founded in 2013.

How many portfolio companies does Flat Capital have?

Flat Capital has 20 portfolio companies in Caplight's dataset.

What are some companies in Flat Capital's portfolio?

Portfolio companies visible on Caplight include OpenAI, Figma, Discord, Lovable, Remote.

What was Flat Capital's most recent investment shown here?

Flat Capital's most recent investment in this portfolio sample was in Lovable in 2025.

What sectors does Flat Capital focus on?

Flat Capital focuses on Consumer & Commerce, Healthcare & Life Sciences, Real Estate & PropTech, Consumer & Commerce, FinTech, Enterprise Software, Consumer & Commerce, Frontier & Industrial Tech, AI, Data & Cloud Infrastructure, AI, Data & Cloud Infrastructure, Mobility, Transportation & Logistics, AI, Data & Cloud Infrastructure, Media, Entertainment & Gaming, AI, Data & Cloud Infrastructure, Enterprise Software, Enterprise Software, Enterprise Software, Frontier & Industrial Tech, FinTech, AI, Data & Cloud Infrastructure, Enterprise Software, AI, Data & Cloud Infrastructure, Enterprise Software, AI, Data & Cloud Infrastructure, Enterprise Software, AI, Data & Cloud Infrastructure, FinTech, Enterprise Software, Enterprise Software, Enterprise Software, Consumer & Commerce, Enterprise Software, Cybersecurity, Enterprise Software, Crypto & Web3, AI, Data & Cloud Infrastructure, Energy & Sustainability, Consumer & Commerce.

What company stages does Flat Capital focus on?

Flat Capital typically invests at the MultiStage stage.

What is Flat Capital's AUM?

Flat Capital's assets under management are estimated between $50.0M and $100.0M.

Firmographic Details

HeadquartersStockholm, Stockholm County
Year Founded2013

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