StartupBlink

82 Top startups in Leuven for July 2026

We rank Materialise NV, GuardSquare and THEO Technologies in Leuven along with 79 other startups based on an algorithm that scores startups based on total investment, employee count, and quarterly website traffic. Leuven startup ecosystem ranks #290 globally and #4 in Belgium.

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Best Startups in Leuven for 2026

1st
Materialise NV logo
Materialise NVSB Score: 508

With over 30 years of experience, Materialise offers 3D printing services and software solutions for healthcare, automotive, aerospace, consumer goods, and art and design industries.

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Website
www.materialise.com/en
Employee range
101 – 250
Web Traffic (Monthly)
Funding amount
$105M
National Rank(Belgium)
Regional Rank(Western Europe)
Global Rank(Worldwide)
2nd
GuardSquare logo
GuardSquareSB Score: 460

GuardSquare is the global reference in mobile application protection. We develop premium software for the protection of mobile applications against reverse engineering and hacking. Our products are used across the world in a broad range of industries, from financial services, e-commerce and the public sector to telecommunication, gaming, and new media. GuardSquare is based in Leuven (Belgium) and San Francisco (USA).

View Full Page
Website
www.guardsquare.com
Employee range
101 – 250
Web Traffic (Monthly)
Funding amount
$29.6M
National Rank(Belgium)
Regional Rank(Western Europe)
Global Rank(Worldwide)
3rd
THEO Technologies logo
THEO TechnologiesSB Score: 454

THEO Technologies is an operator of universal video playback technologies intended to facilitate the perfect video experience on any platform or device, at any time and everywhere.

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Website
www.theoplayer.com
Employee range
51 – 100
Web Traffic (Monthly)
Funding amount
$10M
National Rank(Belgium)
Regional Rank(Western Europe)
Global Rank(Worldwide)
4th
Crazy Games logo
Crazy GamesSB Score: 440

With recent technologies, the browser has become an extremely powerful gaming platform. Amazing 3D graphics and near-native level performance are becoming possible without the need for downloads, apps, or platform-specific development. We are an innovative company at the forefront of this market, and are developing tools to help game developers to fully utilize it. Therefore, we have created a Developer Portal to make publishing browser games a breeze.

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Website
www.crazygames.com
Employee range
11 – 50
Web Traffic (Monthly)
Funding amount
National Rank(Belgium)
Regional Rank(Western Europe)
Global Rank(Worldwide)
5th
Equiduct logo
EquiductSB Score: 420

Equiduct is a pan-European exchange dedicated to provide retail and institutional brokers with best-in-class execution. Members may deliver Best Execution for their end clients across all major European markets via a single exchange connection thanks to the company's patented technology. The company is a fully regulated, MiFID-compliant Börse Berlin market sector.

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Website
www.equiduct.com
Employee range
11 – 50
Web Traffic (Monthly)
Funding amount
$3.7M
National Rank(Belgium)
Regional Rank(Western Europe)
Global Rank(Worldwide)
6th
TrustUp logo
TrustUpSB Score: 417

TrustUp is the home contractors platform, connects homeowners with verified quality home improvement.

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Website
www.trustup.be
Employee range
51 – 100
Web Traffic (Monthly)
Funding amount
$5.2M
National Rank(Belgium)
Regional Rank(Western Europe)
Global Rank(Worldwide)
7th
Pharrowtech logo
PharrowtechSB Score: 413

Pharrowtech designs next-generation solutions for fixed-wireless access, wireless VR/AR and ultra-high capacity wireless links. It builds on more than 12 years of top-notch R&D performed at imec, the Belgian R&D powerhouse. Leveraging deep technical expertise in algorithm, chip and antenna design for millimeter-wave systems, it creates products with best-in-class performance, power and cost features.

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Website
www.pharrowtech.com
Employee range
11 – 50
Web Traffic (Monthly)
Funding amount
$30.6M
National Rank(Belgium)
Regional Rank(Western Europe)
Global Rank(Worldwide)
8th
InvestSuite logo
InvestSuiteSB Score: 391

InvestSuite is a fintech company that offers automated investment solutions to financial institutions globally. Their platform caters to institutions of all sizes, providing access to efficient and customizable investment tools.

View Full Page
Website
www.investsuite.com
Employee range
51 – 100
Web Traffic (Monthly)
Funding amount
$15.9M
National Rank(Belgium)
Regional Rank(Western Europe)
Global Rank(Worldwide)
9th
Gluon HQ logo
Gluon HQSB Score: 378

URBO Studio is a software company that offers technological solutions for management, online reservations and sales of creative and recreational services. Our cloud-based platform allows any business owner to easily transfer their services online, generate additional revenue, greatly facilitate the process of managing jobs and offers on different platforms and last but not least, to win even behind closed doors.

View Full Page
Website
gluonhq.com
Employee range
11 – 50
Web Traffic (Monthly)
Funding amount
$1.3M
National Rank(Belgium)
Regional Rank(Western Europe)
Global Rank(Worldwide)
10th
miDiagnostics logo
miDiagnosticsSB Score: 369

miDiagnostics is developing a new generation of disposable tests that require only drops of blood and allow detection of cells, proteins, nucleic acids, and/or small molecules.

View Full Page
Website
www.midiagnostics.com
Employee range
101 – 250
Web Traffic (Monthly)
Funding amount
$49M
National Rank(Belgium)
Regional Rank(Western Europe)
Global Rank(Worldwide)
11th
BRIKL logo
BRIKLSB Score: 369

Build your on-demand promo store in minutes. The fastest growing marketplace for on-demand.

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Website
www.brikl.com
Employee range
11 – 50
Web Traffic (Monthly)
Funding amount
$6.1M
National Rank(Belgium)
Regional Rank(Western Europe)
Global Rank(Worldwide)

Total amount:63

Most Funded Startups in Leuven for 2026

The top three most funded startups in Leuven have raised total funding of more than USD 199M. Materialise NV has 1.14% more funding than miDiagnostics.
1st
Materialise NV logo
Materialise NVSB Score: 508

With over 30 years of experience, Materialise offers 3D printing services and software solutions for healthcare, automotive, aerospace, consumer goods, and art and design industries.

View Full Page
Website
www.materialise.com/en
Employee range
101 – 250
Web Traffic (Monthly)
Funding amount
$105M
National Rank(Belgium)
Regional Rank(Western Europe)
Global Rank(Worldwide)
2nd
miDiagnostics logo
miDiagnosticsSB Score: 369

miDiagnostics is developing a new generation of disposable tests that require only drops of blood and allow detection of cells, proteins, nucleic acids, and/or small molecules.

View Full Page
Website
www.midiagnostics.com
Employee range
101 – 250
Web Traffic (Monthly)
Funding amount
$49M
National Rank(Belgium)
Regional Rank(Western Europe)
Global Rank(Worldwide)
3rd
Swave Photonics logo
Swave PhotonicsSB Score: 309

Swave Photonics designs and markets holographic chips that enable advanced augmented reality experiences through NanoPixel technology. The company focuses on creating compact, lightweight, and high-resolution displays that seamlessly blend digital content with the real world.

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Website
www.swave.io
Employee range
1 – 10
Web Traffic (Monthly)
Funding amount
$45.5M
National Rank(Belgium)
Regional Rank(Western Europe)
Global Rank(Worldwide)

Total amount:63

Top Hiring Startups in Leuven by Employee Number

The top three hiring startups in Leuven have an median employee size that is between [101-250]
1st
Materialise NV logo
Materialise NVSB Score: 508

With over 30 years of experience, Materialise offers 3D printing services and software solutions for healthcare, automotive, aerospace, consumer goods, and art and design industries.

View Full Page
Website
www.materialise.com/en
Employee range
101 – 250
Web Traffic (Monthly)
Funding amount
$105M
National Rank(Belgium)
Regional Rank(Western Europe)
Global Rank(Worldwide)
2nd
GuardSquare logo
GuardSquareSB Score: 460

GuardSquare is the global reference in mobile application protection. We develop premium software for the protection of mobile applications against reverse engineering and hacking. Our products are used across the world in a broad range of industries, from financial services, e-commerce and the public sector to telecommunication, gaming, and new media. GuardSquare is based in Leuven (Belgium) and San Francisco (USA).

View Full Page
Website
www.guardsquare.com
Employee range
101 – 250
Web Traffic (Monthly)
Funding amount
$29.6M
National Rank(Belgium)
Regional Rank(Western Europe)
Global Rank(Worldwide)
3rd
miDiagnostics logo
miDiagnosticsSB Score: 369

miDiagnostics is developing a new generation of disposable tests that require only drops of blood and allow detection of cells, proteins, nucleic acids, and/or small molecules.

View Full Page
Website
www.midiagnostics.com
Employee range
101 – 250
Web Traffic (Monthly)
Funding amount
$49M
National Rank(Belgium)
Regional Rank(Western Europe)
Global Rank(Worldwide)
4th
Vaultspeed logo
VaultspeedSB Score: 367

Vaultspeed is a SaaS company specialized in data warehouse automation solutions.

View Full Page
Website
vaultspeed.com
Employee range
101 – 250
Web Traffic (Monthly)
Funding amount
$20.7M
National Rank(Belgium)
Regional Rank(Western Europe)
Global Rank(Worldwide)

Total amount:82

Explore More Top Startups

Explore the Startup Ecosystem of Leuven

National Rank

(Belgium)

4th

new

Regional Rank

(Western Europe)

73rd

18

Global Rank

(WorldWide)

290th

1

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Top Cities for Startups in Belgium - 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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