13 Top startups in Harwell for April 2025

We rank Open Cosmos, Oxford Space Systems and Spottitt in Harwell along with 10 other startups based on an algorithm that scores startups based on total investment, employee count, and quarterly website traffic. Harwell is part of Oxford startup ecosystem which ranks #99 globally and #21 in Western Europe.

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Best Startups in Harwell for 2025

SB Score:445

Open Cosmos is a space technology company that designs, builds, and operates satellites to simplify access to space. The company also delivers end-to-end telecommunications, Earth Observation (EO), navigation, and scientific missions. It designs, builds, launches and operates advanced satellites through its OpenOrbit offering, that enables organizations to access and share data via its mutualized OpenConstellation infrastructure and offers AI-powered data analysis from a growing range of satellite sources and analytic partners through its DataCosmos platform.

Industry:
Hardware & IoT
Subindustry:
Hardware

National Rank (United Kingdom)

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SB Score:348

OSS specializes in crafting award-winning deployable antennas and structures using unique materials for the space industry. Their innovative technology offers high-quality solutions for various space applications.

Industry:
Hardware & IoT
Subindustry:
Hardware

National Rank (United Kingdom)

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Regional Rank (Western Europe)

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SB Score:305

Spottitt is the go-to online platform for remotely identifying ideal wind farm locations based on geography. With just a few clicks, users can select sites with optimal conditions, making the process easier and more efficient.

Industry:
Software & Data
Subindustry:
Data Analytics

National Rank (United Kingdom)

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Regional Rank (Western Europe)

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SB Score:293

This innovative startup is developing a groundbreaking plasma thruster that promises to revolutionize space travel. By harnessing advanced plasma technology, it enables faster, more efficient propulsion, paving the way for a new era of exploration and satellite deployment in the ever-expanding realm of space.

Industry:
Hardware & IoT
Subindustry:
Manufacturing

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SB Score:292

MitoRx Therapeutics is a biotechnology company focused on developing innovative therapies aimed at reversing mitochondrial dysfunction, a key contributor to various diseases. By harnessing cutting-edge research, MitoRx strives to improve cellular energy production and overall health, offering new hope for patients affected by mitochondrial-related conditions.

Industry:
Healthtech
Subindustry:
Biotechnology

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6th

Nium
SB Score:275

Nium is a climate tech innovator leveraging nanotechnology to decarbonize industries. Its groundbreaking Green Ammonia on Demand system enables the decentralized production of ammonia using renewable energy, offering a sustainable solution for ammonia synthesis and significantly reducing carbon emissions in the process.

Industry:
Hardware & IoT
Subindustry:
Hardware

National Rank (United Kingdom)

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Helix Technologies specializes in crafting compact, high-performance dielectric-loaded ceramic antennas designed for demanding telecommunications and navigation applications. Their innovative solutions promise enhanced performance and reliability, meeting the rigorous demands of modern communication systems and positioning technologies.

Industry:
Hardware & IoT
Subindustry:
Hardware

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SB Score:200

Sorair, founded in 2021 and based in London, specializes in delivering autonomous upgrades for supply chain systems and logistics services. By leveraging innovative technology, Sorair enhances efficiency and effectiveness, empowering businesses to optimize their operations seamlessly.

Industry:
Software & Data
Subindustry:
Enterprise Technology

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SB Score:175

Deep Planet develops an innovative AI and machine-learning platform that utilizes satellite imagery and IoT sensors to provide actionable insights for grape growers and winemakers, enhancing vineyard management and improving wine quality.

Industry:
Software & Data
Subindustry:
Artificial Intelligence

National Rank (United Kingdom)

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SB Score:53

This startup creates advanced AI tools that tackle complex data processing tasks with human-like precision. By enabling computers to think more like humans, they deliver cutting-edge solutions to the world's toughest data challenges.

Industry:
Software & Data
Subindustry:
Artificial Intelligence

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SB Score:33

Serelay specializes in digital forensics, providing tools tailored for in-depth photo analysis by individual analysts. Their suite of products—including console, API, SDK, idem, and React—addresses the challenges of modern media, including the rise of synthetic media and deep fakes, ensuring accurate and efficient analysis.

Industry:
Software & Data
Subindustry:
Apps

National Rank (United Kingdom)

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Regional Rank (Western Europe)

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Total amount:13

Top 1 Healthtech Startups in Harwell for 2025

The top three Healthtech startups in Harwell have raised more than USD 5.05M. Harwell is part of Oxford startup ecosystem which ranks #31 globally for the Healthtech industry.
SB Score:292

MitoRx Therapeutics is a biotechnology company focused on developing innovative therapies aimed at reversing mitochondrial dysfunction, a key contributor to various diseases. By harnessing cutting-edge research, MitoRx strives to improve cellular energy production and overall health, offering new hope for patients affected by mitochondrial-related conditions.

Industry:
Healthtech
Subindustry:
Biotechnology

National Rank (United Kingdom)

0

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Regional Rank (Western Europe)

0

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Global Rank (WorldWide)

0

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Total amount:1

Top 6 Software & Data Startups in Harwell for 2025

The top three Software & Data startups in Harwell have raised more than USD 4.81M. Harwell is part of Oxford startup ecosystem which ranks #106 globally for the Software & Data industry.
SB Score:305

Spottitt is the go-to online platform for remotely identifying ideal wind farm locations based on geography. With just a few clicks, users can select sites with optimal conditions, making the process easier and more efficient.

Industry:
Software & Data
Subindustry:
Data Analytics

National Rank (United Kingdom)

0

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Regional Rank (Western Europe)

0

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Global Rank (WorldWide)

0

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SB Score:200

Sorair, founded in 2021 and based in London, specializes in delivering autonomous upgrades for supply chain systems and logistics services. By leveraging innovative technology, Sorair enhances efficiency and effectiveness, empowering businesses to optimize their operations seamlessly.

Industry:
Software & Data
Subindustry:
Enterprise Technology

National Rank (United Kingdom)

0

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Regional Rank (Western Europe)

0

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Global Rank (WorldWide)

0

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SB Score:175

Deep Planet develops an innovative AI and machine-learning platform that utilizes satellite imagery and IoT sensors to provide actionable insights for grape growers and winemakers, enhancing vineyard management and improving wine quality.

Industry:
Software & Data
Subindustry:
Artificial Intelligence

National Rank (United Kingdom)

0

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Regional Rank (Western Europe)

0

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Global Rank (WorldWide)

0

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Total amount:6

Top 5 Hardware & IoT Startups in Harwell for 2025

The top three Hardware & IoT startups in Harwell have raised more than USD 189M. Harwell is part of Oxford startup ecosystem which ranks #71 globally for the Hardware & IoT industry.
SB Score:445

Open Cosmos is a space technology company that designs, builds, and operates satellites to simplify access to space. The company also delivers end-to-end telecommunications, Earth Observation (EO), navigation, and scientific missions. It designs, builds, launches and operates advanced satellites through its OpenOrbit offering, that enables organizations to access and share data via its mutualized OpenConstellation infrastructure and offers AI-powered data analysis from a growing range of satellite sources and analytic partners through its DataCosmos platform.

Industry:
Hardware & IoT
Subindustry:
Hardware

National Rank (United Kingdom)

0

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Regional Rank (Western Europe)

0

View

Global Rank (WorldWide)

0

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SB Score:348

OSS specializes in crafting award-winning deployable antennas and structures using unique materials for the space industry. Their innovative technology offers high-quality solutions for various space applications.

Industry:
Hardware & IoT
Subindustry:
Hardware

National Rank (United Kingdom)

0

View

Regional Rank (Western Europe)

0

View

Global Rank (WorldWide)

0

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SB Score:293

This innovative startup is developing a groundbreaking plasma thruster that promises to revolutionize space travel. By harnessing advanced plasma technology, it enables faster, more efficient propulsion, paving the way for a new era of exploration and satellite deployment in the ever-expanding realm of space.

Industry:
Hardware & IoT
Subindustry:
Manufacturing

National Rank (United Kingdom)

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

Most Funded Startups in Harwell for 2025

The top three most funded startups in Harwell have raised total funding of more than USD 189M. Open Cosmos has 1.17% more funding than Oxford Space Systems.
SB Score:445

Open Cosmos is a space technology company that designs, builds, and operates satellites to simplify access to space. The company also delivers end-to-end telecommunications, Earth Observation (EO), navigation, and scientific missions. It designs, builds, launches and operates advanced satellites through its OpenOrbit offering, that enables organizations to access and share data via its mutualized OpenConstellation infrastructure and offers AI-powered data analysis from a growing range of satellite sources and analytic partners through its DataCosmos platform.

Industry:
Hardware & IoT
Subindustry:
Hardware

National Rank (United Kingdom)

0

View

Regional Rank (Western Europe)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:348

OSS specializes in crafting award-winning deployable antennas and structures using unique materials for the space industry. Their innovative technology offers high-quality solutions for various space applications.

Industry:
Hardware & IoT
Subindustry:
Hardware

National Rank (United Kingdom)

0

View

Regional Rank (Western Europe)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:293

This innovative startup is developing a groundbreaking plasma thruster that promises to revolutionize space travel. By harnessing advanced plasma technology, it enables faster, more efficient propulsion, paving the way for a new era of exploration and satellite deployment in the ever-expanding realm of space.

Industry:
Hardware & IoT
Subindustry:
Manufacturing

National Rank (United Kingdom)

0

View

Regional Rank (Western Europe)

0

View

Global Rank (WorldWide)

0

Browse
View full page

Total amount:13

Top Hiring Startups in Harwell by Employee Number

The top three hiring startups in Harwell have an median employee size that is between [11-50]
SB Score:445

Open Cosmos is a space technology company that designs, builds, and operates satellites to simplify access to space. The company also delivers end-to-end telecommunications, Earth Observation (EO), navigation, and scientific missions. It designs, builds, launches and operates advanced satellites through its OpenOrbit offering, that enables organizations to access and share data via its mutualized OpenConstellation infrastructure and offers AI-powered data analysis from a growing range of satellite sources and analytic partners through its DataCosmos platform.

Industry:
Hardware & IoT
Subindustry:
Hardware

National Rank (United Kingdom)

0

View

Regional Rank (Western Europe)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:348

OSS specializes in crafting award-winning deployable antennas and structures using unique materials for the space industry. Their innovative technology offers high-quality solutions for various space applications.

Industry:
Hardware & IoT
Subindustry:
Hardware

National Rank (United Kingdom)

0

View

Regional Rank (Western Europe)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:305

Spottitt is the go-to online platform for remotely identifying ideal wind farm locations based on geography. With just a few clicks, users can select sites with optimal conditions, making the process easier and more efficient.

Industry:
Software & Data
Subindustry:
Data Analytics

National Rank (United Kingdom)

0

View

Regional Rank (Western Europe)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:293

This innovative startup is developing a groundbreaking plasma thruster that promises to revolutionize space travel. By harnessing advanced plasma technology, it enables faster, more efficient propulsion, paving the way for a new era of exploration and satellite deployment in the ever-expanding realm of space.

Industry:
Hardware & IoT
Subindustry:
Manufacturing

National Rank (United Kingdom)

0

View

Regional Rank (Western Europe)

0

View

Global Rank (WorldWide)

0

Browse
View full page

Total amount:13

Explore the Startup Ecosystem of Harwell

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Regional Rank

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21st

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Global Rank

(WorldWide)

99th

3

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Top Cities for Startups in United Kingdom - Ranked by StartupBlink

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2024 National Rank CityGlobal Rank
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Total Score

Access subscores for 1000 cities and 100 countries

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Quantity Score
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Quality Score
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Business Score
1st
0
3rd
0
144.375
00.00
00.00
00.00
2nd
0
72nd
-
9
9.776
00.00
00.00
00.00
3rd
0
85th
0
9.030
00.00
00.00
00.00
4th
0
99th
-
3
7.884
00.00
00.00
00.00
5th
0
119th
-
18
6.448
00.00
00.00
00.00
6th
0
121st
-
4
6.171
00.00
00.00
00.00
7th
+
1
168th
+
2
3.733
00.00
00.00
00.00
8th
-
1
172nd
-
14
3.598
00.00
00.00
00.00
9th
0
188th
+
12
2.890
00.00
00.00
00.00
10th
+
2
211th
+
11
2.292
00.00
00.00
00.00
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