54 Top startups in Rennes for May 2025

We rank Klaxoon, Invivox and Follow in Rennes along with 51 other startups based on an algorithm that scores startups based on total investment, employee count, and quarterly website traffic. Rennes startup ecosystem ranks #289 globally and #9 in France.

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Best Startups in Rennes for 2025

SB Score:552

Klaxoon facilitates collaboration in the modern workplace, fostering a culture of shared information and vision. The platform enhances collective intelligence and engagement, driving productivity and innovation wherever teams come together to work.

Industry:
Software & Data
Subindustry:
Enterprise Technology

National Rank (France)

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SB Score:436

Invivox connects doctors globally for personalized in-person medical training in small groups or one-on-one. Get hands-on experience and enhance your skills with ease.

Industry:
Healthtech
Subindustry:
Health Care

National Rank (France)

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SB Score:413

Follow is a dynamic medical startup with a global reach, revolutionizing the industry.

Industry:
Healthtech
Subindustry:
Health Care

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SB Score:407

Cailabs is a French deep tech company, based in Rennes, which designs, produces and sells photonic solutions to fully exploit the industrial potential opened up by the shaping of light. Cailabs develops and produces a unique range of optical components based on its know-how and its patented technological innovations, in particular Multi-Plane Light Conversion (MPLC).

Industry:
Hardware & IoT
Subindustry:
Consumer Electronics

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SB Score:390

Unseenlabs creates innovative spectrum surveillance payloads for tracking and monitoring activities in real-time. Their technology provides cutting-edge solutions for improved situational awareness and data collection.

Industry:
Transportation
Subindustry:
Aerospace

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SB Score:389

Check & Visit, based in Rennes, Brittany, helps apartment owners worldwide assess their property conditions. With over 3,400,000 inventories conducted annually in France, the startup aims to simplify and streamline the process for users.

Industry:
Ecommerce & Retail
Subindustry:
Proptech

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SB Score:354

Monemprunt is a dynamic platform that connects users with brokers and allows direct exchanges. Discover a seamless way to access a wide range of financial services and products.

Industry:
Fintech
Subindustry:
Financial Services

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SB Score:345

Simango provides immersive virtual reality, PC, Android, and iOS training solutions for serious games. Engage in interactive learning experiences with our innovative technology.

Industry:
Edtech
Subindustry:
Education-Other

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SB Score:344

Digitaleo offers a comprehensive marketing management solution. Easily manage all your marketing needs in one place. Streamline your marketing efforts with Digitaleo's user-friendly platform.

Industry:
Ecommerce & Retail
Subindustry:
Ecommerce & Retail-Other

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SB Score:342

Mobility Tech Green provides corporate carsharing solutions, offering on-board equipment, software, communication pack, and hosting for public car-sharing services.

Industry:
Software & Data
Subindustry:
Software and Data-Other

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SB Score:341

Purecontrol leverages artificial intelligence to drive continuous improvement. By providing intelligent insights and analytics, it empowers organizations to optimize processes, enhance efficiency, and achieve sustainable growth, making it an essential tool for businesses aiming to excel in a competitive landscape.

Industry:
Software & Data
Subindustry:
Artificial Intelligence

National Rank (France)

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Total amount:54

Top 20 Software & Data Startups in Rennes for 2025

The top three Software & Data startups in Rennes have raised more than USD 149M. Rennes startup ecosystem ranks #250 globally for the Software & Data industry.
SB Score:552

Klaxoon facilitates collaboration in the modern workplace, fostering a culture of shared information and vision. The platform enhances collective intelligence and engagement, driving productivity and innovation wherever teams come together to work.

Industry:
Software & Data
Subindustry:
Enterprise Technology

National Rank (France)

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Regional Rank (Western Europe)

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SB Score:341

Purecontrol leverages artificial intelligence to drive continuous improvement. By providing intelligent insights and analytics, it empowers organizations to optimize processes, enhance efficiency, and achieve sustainable growth, making it an essential tool for businesses aiming to excel in a competitive landscape.

Industry:
Software & Data
Subindustry:
Artificial Intelligence

National Rank (France)

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Regional Rank (Western Europe)

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Total amount:20

Top 7 Healthtech Startups in Rennes for 2025

The top three Healthtech startups in Rennes have raised more than USD 51.5M. Rennes startup ecosystem ranks #255 globally for the Healthtech industry.
SB Score:436

Invivox connects doctors globally for personalized in-person medical training in small groups or one-on-one. Get hands-on experience and enhance your skills with ease.

Industry:
Healthtech
Subindustry:
Health Care

National Rank (France)

0

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Regional Rank (Western Europe)

0

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Global Rank (WorldWide)

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SB Score:413

Follow is a dynamic medical startup with a global reach, revolutionizing the industry.

Industry:
Healthtech
Subindustry:
Health Care

National Rank (France)

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Regional Rank (Western Europe)

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SB Score:295

BIOSNECY creates innovative medical devices for smart healthcare solutions. Their focus is on developing cutting-edge technology to enhance patient care.

Industry:
Healthtech
Subindustry:
Health Care

National Rank (France)

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Regional Rank (Western Europe)

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Total amount:7

Top 4 Ecommerce & Retail Startups in Rennes for 2025

The top three Ecommerce & Retail startups in Rennes have raised more than USD 21.4M. Rennes startup ecosystem ranks #281 globally for the Ecommerce & Retail industry.
SB Score:389

Check & Visit, based in Rennes, Brittany, helps apartment owners worldwide assess their property conditions. With over 3,400,000 inventories conducted annually in France, the startup aims to simplify and streamline the process for users.

Industry:
Ecommerce & Retail
Subindustry:
Proptech

National Rank (France)

0

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Regional Rank (Western Europe)

0

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Global Rank (WorldWide)

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SB Score:344

Digitaleo offers a comprehensive marketing management solution. Easily manage all your marketing needs in one place. Streamline your marketing efforts with Digitaleo's user-friendly platform.

Industry:
Ecommerce & Retail
Subindustry:
Ecommerce & Retail-Other

National Rank (France)

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Regional Rank (Western Europe)

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3rd

ECLO
SB Score:100

Eclo offers a vibrant range of sensory makeup that is 100% natural, ultra-clean, and environmentally regenerative. From its formulas to its packaging, each product embodies a commitment to sustainability. Proudly made in Brittany, France, Eclo invites users to explore beauty that cares for both them and the planet.

Industry:
Ecommerce & Retail
Subindustry:
Consumer Goods

National Rank (France)

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Regional Rank (Western Europe)

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Total amount:4

Most Funded Startups in Rennes for 2025

The top three most funded startups in Rennes have raised total funding of more than USD 462M. Unseenlabs has 0.90% more funding than Klaxoon.
SB Score:390

Unseenlabs creates innovative spectrum surveillance payloads for tracking and monitoring activities in real-time. Their technology provides cutting-edge solutions for improved situational awareness and data collection.

Industry:
Transportation
Subindustry:
Aerospace

National Rank (France)

0

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Regional Rank (Western Europe)

0

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Global Rank (WorldWide)

0

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SB Score:552

Klaxoon facilitates collaboration in the modern workplace, fostering a culture of shared information and vision. The platform enhances collective intelligence and engagement, driving productivity and innovation wherever teams come together to work.

Industry:
Software & Data
Subindustry:
Enterprise Technology

National Rank (France)

0

View

Regional Rank (Western Europe)

0

View

Global Rank (WorldWide)

0

Browse
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SB Score:407

Cailabs is a French deep tech company, based in Rennes, which designs, produces and sells photonic solutions to fully exploit the industrial potential opened up by the shaping of light. Cailabs develops and produces a unique range of optical components based on its know-how and its patented technological innovations, in particular Multi-Plane Light Conversion (MPLC).

Industry:
Hardware & IoT
Subindustry:
Consumer Electronics

National Rank (France)

0

View

Regional Rank (Western Europe)

0

View

Global Rank (WorldWide)

0

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Total amount:54

Top Hiring Startups in Rennes by Employee Number

The top three hiring startups in Rennes have an median employee size that is between [51-100]
SB Score:552

Klaxoon facilitates collaboration in the modern workplace, fostering a culture of shared information and vision. The platform enhances collective intelligence and engagement, driving productivity and innovation wherever teams come together to work.

Industry:
Software & Data
Subindustry:
Enterprise Technology

National Rank (France)

0

View

Regional Rank (Western Europe)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:413

Follow is a dynamic medical startup with a global reach, revolutionizing the industry.

Industry:
Healthtech
Subindustry:
Health Care

National Rank (France)

0

View

Regional Rank (Western Europe)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:344

Digitaleo offers a comprehensive marketing management solution. Easily manage all your marketing needs in one place. Streamline your marketing efforts with Digitaleo's user-friendly platform.

Industry:
Ecommerce & Retail
Subindustry:
Ecommerce & Retail-Other

National Rank (France)

0

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Regional Rank (Western Europe)

0

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Global Rank (WorldWide)

0

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Total amount:54

Explore the Startup Ecosystem of Rennes

National Rank

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Regional Rank

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77th

3

Global Rank

(WorldWide)

289th

19

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Top Cities for Startups in France - Ranked by StartupBlink

StartupBlink ranks the startup ecosystems of more than 100 countries and 1,000 cities. Download our latest Global Startup Ecosystem Report.
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