13 Top startups in Sion for July 2025

We rank H55, DePoly and ExerGo Sàrl in Sion along with 10 other startups based on an algorithm that scores startups based on total investment, employee count, and quarterly website traffic. Sion startup ecosystem ranks #529 globally and #11 in Switzerland.

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Best Startups in Sion for 2025

1st

H55
SB Score:403

H 55 is revolutionizing aviation with cutting-edge technology for clean, quiet, efficient, and affordable autonomous flights. Their certified solutions aim to make air travel more sustainable and seamless for the future.

Industry:
Hardware & IoT
Subindustry:
Consumer Electronics

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SB Score:369

As a chemical recycling company, DePoly is tackling the plastic problem via its enhanced recycling technology that converts post-consumer PET plastic and polyester textiles back into their main raw components, at room temperature, without the need to pre-wash, pre-sort, or separate out other plastics. The raw material can then be sold back to the industry, so that new virgin-quality plastic items can be made, creating a truly circular plastic economy.

Industry:
Hardware & IoT
Subindustry:
Manufacturing

City Rank (Sion)

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SB Score:304

ExerGo specializes in delivering innovative energy solutions, including feasibility studies, engineering services, and comprehensive energy concepts for thermal network projects. Their expertise enables clients to optimize energy efficiency and sustainability in their thermal systems, paving the way for a greener future.

Industry:
Energy & Environment
Subindustry:
Energy

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SB Score:293

Urbio speeds up utilities' shift to clean energy, making the transition smoother. This software helps utilities embrace renewable energy faster and more efficiently, ensuring a sustainable future for all.

Industry:
Software & Data
Subindustry:
Artificial Intelligence

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SB Score:273

GRZ Technologies specializes in renewable energy storage solutions, providing innovative and sustainable options for storing energy. Their cutting-edge technology aims to revolutionize the way we harness and utilize renewable energy sources for a greener future.

Industry:
Energy & Environment
Subindustry:
Clean Energy

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SB Score:249

WattAnyWhere revolutionizes high-power electricity delivery by transitioning from fossil fuels to renewable energy. It replaces centralized, expensive infrastructure with decentralized, adaptable solutions that prioritize customer needs, ensuring reliable power access for everyone, anywhere.

Industry:
Energy & Environment
Subindustry:
Energy

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SB Score:224

Phi Pharma, a Swiss biopharmaceutical startup, specializes in developing innovative healthcare solutions. They are dedicated to improving global health through cutting-edge biopharmaceutical research and development.

Industry:
Healthtech
Subindustry:
Biotechnology

City Rank (Sion)

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SB Score:190

Emissium utilizes blockchain to accelerate the shift to sustainability by reducing carbon emissions from energy use.

Industry:
Energy & Environment
Subindustry:
Energy

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SB Score:125

Pi Lighting specializes in LED technology and lighting research and development. Their expertise helps startups and businesses create innovative and energy-efficient lighting solutions.

Industry:
Energy & Environment
Subindustry:
Energy

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SB Score:99

Carrosserie-Shop.ch provides a convenient online platform for bodywork professionals to purchase automotive paints, aerosols, gaskets, glues, and masks. Find all the paint and equipment you need for your projects in one place.

Industry:
Transportation
Subindustry:
Automotive

City Rank (Sion)

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Regional Rank (Western Europe)

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Total amount:13

Top 5 Energy & Environment Startups in Sion for 2025

The top three Energy & Environment startups in Sion have raised more than USD 21.1M. Sion startup ecosystem ranks #189 globally for the Energy & Environment industry.
SB Score:304

ExerGo specializes in delivering innovative energy solutions, including feasibility studies, engineering services, and comprehensive energy concepts for thermal network projects. Their expertise enables clients to optimize energy efficiency and sustainability in their thermal systems, paving the way for a greener future.

Industry:
Energy & Environment
Subindustry:
Energy

City Rank (Sion)

0

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Regional Rank (Western Europe)

0

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Global Rank (WorldWide)

0

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SB Score:273

GRZ Technologies specializes in renewable energy storage solutions, providing innovative and sustainable options for storing energy. Their cutting-edge technology aims to revolutionize the way we harness and utilize renewable energy sources for a greener future.

Industry:
Energy & Environment
Subindustry:
Clean Energy

City Rank (Sion)

0

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Regional Rank (Western Europe)

0

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Global Rank (WorldWide)

0

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SB Score:249

WattAnyWhere revolutionizes high-power electricity delivery by transitioning from fossil fuels to renewable energy. It replaces centralized, expensive infrastructure with decentralized, adaptable solutions that prioritize customer needs, ensuring reliable power access for everyone, anywhere.

Industry:
Energy & Environment
Subindustry:
Energy

City Rank (Sion)

0

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Regional Rank (Western Europe)

0

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Global Rank (WorldWide)

0

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Total amount:5

Top 3 Hardware & IoT Startups in Sion for 2025

The top three Hardware & IoT startups in Sion have raised more than USD 335M. Sion startup ecosystem ranks among the top 10 locations in the world for startups in Hardware & IoT, holding the falseth position.

1st

H55
SB Score:403

H 55 is revolutionizing aviation with cutting-edge technology for clean, quiet, efficient, and affordable autonomous flights. Their certified solutions aim to make air travel more sustainable and seamless for the future.

Industry:
Hardware & IoT
Subindustry:
Consumer Electronics

City Rank (Sion)

0

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Regional Rank (Western Europe)

0

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Global Rank (WorldWide)

0

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SB Score:369

As a chemical recycling company, DePoly is tackling the plastic problem via its enhanced recycling technology that converts post-consumer PET plastic and polyester textiles back into their main raw components, at room temperature, without the need to pre-wash, pre-sort, or separate out other plastics. The raw material can then be sold back to the industry, so that new virgin-quality plastic items can be made, creating a truly circular plastic economy.

Industry:
Hardware & IoT
Subindustry:
Manufacturing

City Rank (Sion)

0

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Regional Rank (Western Europe)

0

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Global Rank (WorldWide)

0

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Total amount:3

Top 2 Healthtech Startups in Sion for 2025

The top three Healthtech startups in Sion have raised more than USD 3.6M. Sion startup ecosystem ranks among the top 10 locations in the world for startups in Healthtech, holding the falseth position.
SB Score:224

Phi Pharma, a Swiss biopharmaceutical startup, specializes in developing innovative healthcare solutions. They are dedicated to improving global health through cutting-edge biopharmaceutical research and development.

Industry:
Healthtech
Subindustry:
Biotechnology

City Rank (Sion)

0

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Regional Rank (Western Europe)

0

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Global Rank (WorldWide)

0

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SB Score:23

This startup develops advanced therapy medicinal products (ATMPs) such as cell therapy, gene therapy, and cell engineered products. These innovative medicines offer treatment for cancers, degenerative diseases, and genetic disorders, revolutionizing the medical field.

Industry:
Healthtech
Subindustry:
Health Care

City Rank (Sion)

0

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Regional Rank (Western Europe)

0

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Global Rank (WorldWide)

0

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Total amount:2

Most Funded Startups in Sion for 2025

The top three most funded startups in Sion have raised total funding of more than USD 347M. H55 has 12.88% more funding than DePoly.

1st

H55
SB Score:403

H 55 is revolutionizing aviation with cutting-edge technology for clean, quiet, efficient, and affordable autonomous flights. Their certified solutions aim to make air travel more sustainable and seamless for the future.

Industry:
Hardware & IoT
Subindustry:
Consumer Electronics

City Rank (Sion)

0

View

Regional Rank (Western Europe)

0

View

Global Rank (WorldWide)

0

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SB Score:369

As a chemical recycling company, DePoly is tackling the plastic problem via its enhanced recycling technology that converts post-consumer PET plastic and polyester textiles back into their main raw components, at room temperature, without the need to pre-wash, pre-sort, or separate out other plastics. The raw material can then be sold back to the industry, so that new virgin-quality plastic items can be made, creating a truly circular plastic economy.

Industry:
Hardware & IoT
Subindustry:
Manufacturing

City Rank (Sion)

0

View

Regional Rank (Western Europe)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:304

ExerGo specializes in delivering innovative energy solutions, including feasibility studies, engineering services, and comprehensive energy concepts for thermal network projects. Their expertise enables clients to optimize energy efficiency and sustainability in their thermal systems, paving the way for a greener future.

Industry:
Energy & Environment
Subindustry:
Energy

City Rank (Sion)

0

View

Regional Rank (Western Europe)

0

View

Global Rank (WorldWide)

0

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Total amount:13

Top Hiring Startups in Sion by Employee Number

The top three hiring startups in Sion have an median employee size that is between [11-50]

1st

H55
SB Score:403

H 55 is revolutionizing aviation with cutting-edge technology for clean, quiet, efficient, and affordable autonomous flights. Their certified solutions aim to make air travel more sustainable and seamless for the future.

Industry:
Hardware & IoT
Subindustry:
Consumer Electronics

City Rank (Sion)

0

View

Regional Rank (Western Europe)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:369

As a chemical recycling company, DePoly is tackling the plastic problem via its enhanced recycling technology that converts post-consumer PET plastic and polyester textiles back into their main raw components, at room temperature, without the need to pre-wash, pre-sort, or separate out other plastics. The raw material can then be sold back to the industry, so that new virgin-quality plastic items can be made, creating a truly circular plastic economy.

Industry:
Hardware & IoT
Subindustry:
Manufacturing

City Rank (Sion)

0

View

Regional Rank (Western Europe)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:304

ExerGo specializes in delivering innovative energy solutions, including feasibility studies, engineering services, and comprehensive energy concepts for thermal network projects. Their expertise enables clients to optimize energy efficiency and sustainability in their thermal systems, paving the way for a greener future.

Industry:
Energy & Environment
Subindustry:
Energy

City Rank (Sion)

0

View

Regional Rank (Western Europe)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:293

Urbio speeds up utilities' shift to clean energy, making the transition smoother. This software helps utilities embrace renewable energy faster and more efficiently, ensuring a sustainable future for all.

Industry:
Software & Data
Subindustry:
Artificial Intelligence

City Rank (Sion)

0

View

Regional Rank (Western Europe)

0

View

Global Rank (WorldWide)

0

Browse
View full page

Total amount:13

Explore the Startup Ecosystem of Sion

National Rank

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Regional Rank

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212th

60

Global Rank

(WorldWide)

669th

154

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Top Cities for Startups in Switzerland - 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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