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Isai

Europe, Ile-de-France, France, Paris

Description

Isai is a prominent French venture capital and private equity firm, uniquely founded in 2009 by a collective of tech entrepreneurs. This "by entrepreneurs for entrepreneurs" philosophy underpins its investment approach, aiming to provide not just capital but also strategic guidance and operational support to its portfolio companies. Based in Paris, Isai has established itself as a significant player in the European tech ecosystem, demonstrating a broad investment mandate that spans from nascent startups to established, profitable tech businesses.

The firm operates through distinct fund strategies, catering to different stages of company growth. Its Venture Capital arm focuses on early-stage digital companies, including Seed, Series A, and Series B rounds. For these early-stage investments, Isai typically deploys initial cheques ranging from €500,000 for Seed and Series A rounds, extending up to €5 million for larger initial Series A investments. Furthermore, Isai also engages in Growth Equity and LBO deals, targeting profitable tech companies with revenues generally between €10 million and €100 million+. In these later-stage transactions, the firm's initial investment can range significantly, from €5 million up to €50 million.

Isai's dual focus allows it to support companies throughout their lifecycle, from initial concept to mature expansion. The firm has built an impressive track record, having raised over €600 million across its various funds since its inception. This substantial capital base enables Isai to be a consistent and impactful investor. Its portfolio is diverse, encompassing more than 100 companies across various sectors within the digital economy, including SaaS, fintech, e-commerce, and deep tech.

The firm's commitment to fostering entrepreneurial success is evident in its hands-on approach and its network of experienced founders. Isai's strategic presence in Paris positions it at the heart of the burgeoning European tech scene, allowing it to identify and nurture high-potential ventures. This comprehensive strategy, combined with significant financial backing and deep industry expertise, solidifies Isai's reputation as a key partner for tech companies seeking to scale globally.

Investor Profile

Isai has backed more than 146 startups, with 7 new investments in the last 12 months alone. The firm has led 55 rounds, about 38% of its total and boasts 24 exits across its portfolio.

Investment Focus Highlights

  • Concentrates on Seed, Series A, Series B rounds (top funding stages).
  • Majority of deals are located in France, United States, United Kingdom.
  • Strong thematic focus on Software, Internet, Information Technology.
  • Led 1 rounds in the past year.
  • Typical check size: $540K – $54M.

Stage Focus

  • Seed (32%)
  • Series A (31%)
  • Series B (14%)
  • Series Unknown (12%)
  • Pre Seed (5%)
  • Series C (3%)
  • Private Equity (1%)
  • Series F (1%)

Country Focus

  • France (79%)
  • United States (18%)
  • United Kingdom (1%)
  • Austria (1%)
  • Germany (1%)

Industry Focus

  • Software
  • Internet
  • Information Technology
  • E-commerce
  • Saas
  • Artificial Intelligence (Ai)
  • Analytics
  • Financial Services
  • Health Care
  • Advertising
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FAQ

Frequently Asked Questions

Learn who this investor regularly partners with—both firms and angels—and explore their latest activity.

Who does Isai frequently co-invest with?

Serena
Europe, Ile-de-France, France, Paris
Co-Investments: 10
XAnge
Europe, Ile-de-France, France, Paris
Co-Investments: 5
Ventech
Europe, Ile-de-France, France, Paris
Co-Investments: 5
Insight Partners
North America, New York, United States, New York
Co-Investments: 5
Alven
Europe, Ile-de-France, France, Paris
Co-Investments: 8
Eurazeo
Europe, Ile-de-France, France, Paris
Co-Investments: 7
Idinvest Partners
Europe, Ile-de-France, France, Paris
Co-Investments: 5
Kima Ventures
Europe, Ile-de-France, France, Paris
Co-Investments: 8
Bpifrance
Europe, Ile-de-France, France, Maisons-alfort
Co-Investments: 13
Lead Edge Capital
North America, New York, United States, New York
Co-Investments: 5

Which angels does Isai often collaborate with?

AM
Europe, Ile-de-France, France, Paris
Shared Deals: 3
DV
Europe, Ile-de-France, France, Paris
Shared Deals: 4
JZ
Europe, Ile-de-France, France, Paris
Shared Deals: 2
AL
North America, New York, United States, New York
Shared Deals: 3
PB
Europe, Ile-de-France, France, Paris
Shared Deals: 3
PK
Europe, Ile-de-France, France, Paris
Shared Deals: 5
TE
Europe, Brussels Hoofdstedelijk Gewest, Belgium, Brussels
Shared Deals: 6
FB
Europe, England, United Kingdom, London
Shared Deals: 2
DV
Europe, Vaud, Switzerland, Lausanne
Shared Deals: 2
HV
North America, Michigan, United States, Hancock
Shared Deals: 2

What are some of recent deals done by Isai?

Carbyon

Eindhoven, Noord-Brabant, The Netherlands

Carbyon is a Netherlands-based company that develops direct air capture (DAC) technologies.

Carbon CaptureEnergyRenewable EnergySemiconductor
Series AJul 1, 2025
Inicio

Villeneuve, Provence-Alpes-Cote d'Azur, France

Inicio aims to accelerate the energy transition in territories by reducing solar project risks and fostering collaboration.

Energy ManagementRenewable EnergySolar
SeedApr 29, 2025
Amount Raised: $4,555,840
Flowdesk

Paris, Ile-de-France, France

Flowdesk is a crypto-financial service company building a trading infrastructure providing market-making services for web3 players.

CryptocurrencyFinancial ServicesFinTechInformation TechnologyWeb3
Series UnknownMar 4, 2025
Amount Raised: $91,800,000
OFFROAD

Alfortville, Ile-de-France, France

OFFROAD is a French company specializing in road maintenance and public space management.

Building MaintenanceConstructionHardwareInfrastructure
SeedJan 28, 2025
Amount Raised: $1,564,740
Naboo

Paris, Ile-de-France, France

Go Offsite, return as a Team - offsite booking platform

HospitalityHuman ResourcesSoftware
Series AJan 28, 2025
Amount Raised: $20,863,194
Wecasa

Paris, Ile-de-France, France

Wecasa is a marketplace that provides a range of at-home services including cleaning, hairdressing, and beauty treatments.

Home ServicesInternetMarketplaceMobile Apps
Series BDec 5, 2024
Amount Raised: $19,000,000
Kestra Technologies

Paris, Ile-de-France, France

Kestra Technologies is an open-source orchestration and scheduling platform for mission-critical applications.

Big DataData IntegrationOpen SourceScheduling
SeedSep 23, 2024
Amount Raised: $8,000,000
Staffmatch

Paris, Ile-de-France, France

Staffmatch is a digitized temporary employment agency.

ComputerInternetInternet of ThingsSoftware
Series UnknownSep 2, 2024
Mercateam

Aulnay-sous-bois, Ile-de-France, France

Mercateam specializes in developing staff management software.

Information TechnologySmall and Medium BusinessesSoftware
Series AJun 11, 2024
Amount Raised: $5,370,033
Supervizor

Paris, Ile-de-France, France

Supervizor is a plug and play anomaly detection software for your financials.

AccountingInformation TechnologySoftware
Series AMay 28, 2024
Amount Raised: $21,702,590