Loudspring
VC Fund
Helsinki, Finland
Loudspring is a cleantech accelerator in the Nordic region, boasting several fast growing and high impact companies that solve global challenges. The portfolio companies are active in energy- and resource efficiency as well as decentralized renewable energy and are based in Finland, Sweden and Germany. The company management consists of company builders and investors who have been active within the cleantech space for over a decade.The company is listed on First North Finland under the ticker LOUD and on First North Stockholm under the ticker LOUDS.
- Total investments:
- 20
- Last investment:
- Lead investor:
- 65%
Last updated:
For AI agents: llms.txt
Industries Loudspring invests in
Stages Loudspring invests in
Countries Loudspring invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Round size
- Seed
- $363k–$3.3M
- Venture - Series Unknown
- $909k–$5.3M
Investment Focus
Industry
- Water 2 (10%)
- Energy 2 (10%)
- Software 2 (10%)
- Analytics 2 (10%)
- Machine Learning 2 (10%)
Stage
- Venture - Series Unknown 7 (35%)
- Seed 2 (10%)
- Series A 2 (10%)
- Grant 1 (5%)
- Pre-Seed 1 (5%)
Country
- Finland 9 (45%)
- Sweden 2 (10%)
- United States 1 (5%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Timo Linnainmaa
Co-founder, Partner
|
Co-founder, Partner | Total investments: 0 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Backed by public innovation development funds as well as private investors, Sofi Filtration is a Finnish provider of state-of-the-art water filtration technology. It offers water treatment solutions that are robust and highly automated with industry's best performance. The Sofi Filter is a groundbreaking water cleaning and process waste waterhandling solution that can be applied to many industries such as mining, metallurgical and many more. | $3.5M / Venture - Series Unknown / Sep 21, 2020 | ||
| Eagle Filters is a custom air filtration solutions and air intake handling company. It produces and develops high quality filters especially for Combined Cycle Power Plants and for other demanding industrial needs.Its products combine excellent energy efficiency for enhanced engine performance, good mechanical durability, and top-rankingaerodynamic properties in a cost-effective way. Eagle Filters handles all deliveries individually and can offer tailored solutions backed by over 20 years of experience.Eagle Filters was established in 1995 and is based in Kotka, Finland. | $909.5K / Venture - Series Unknown / Jan 21, 2019 | ||
| Nuuka is a building SW scaleup from Finland. Nuuka specialises in diagnosing and optimising HVAC, energy systems, and indoor climate. The SaaS is optimal for large building portfolios, of new and old public and commercial buidlings, as it can be used with any BMS and HVAC system, IAQ sensor or energy meter. Nuuka improves indoor climate, energyefficiency, reduces operational cost and improves sustainability for real estate owners, developers, retail chains and whole cities. We use SW, AI and ML to transform and industry, and save the world one building at the time. | Venture - Series Unknown / Oct 31, 2017 | ||
| ResQ Club is a Finnish company connecting sustainable restaurants, cafes, and grocery stores with consumers that appreciate eating affordable quality food. ResQ partners can drastically reduce their food waste with their proprietary location-based mobile and web service, as it enables consumers to find and rescue surplus food in their proximity.Every meal purchased via ResQ is one less meal thrown away, helping their urban communities to waste less and be more sustainable.They are on a mission to reduce food waste to zero at restaurants, cafes, and grocery stores. It's estimated that 10% of the already produced food in restaurants ends up in the trash instead of hungry mouths. On a global scale, this equals 11 million tons of food wasted every year. | Aug 11, 2017 | ||
| Nuuka is a building SW scaleup from Finland. Nuuka specialises in diagnosing and optimising HVAC, energy systems, and indoor climate. The SaaS is optimal for large building portfolios, of new and old public and commercial buidlings, as it can be used with any BMS and HVAC system, IAQ sensor or energy meter. Nuuka improves indoor climate, energyefficiency, reduces operational cost and improves sustainability for real estate owners, developers, retail chains and whole cities. We use SW, AI and ML to transform and industry, and save the world one building at the time. | $643.7K / Grant / Jan 24, 2017 | ||
| SansOx, a part of the Finnish Cleantech Cluster of companies, is dedicated into developing and marketing new innovative solutions and technologies for worldwide clean water market. SansOx aims also at being at the front wave in the worldwide issue concerning the global water shortage in Circular Economy, which will require massive investments intreatments for NEWater in the future. SansOx is a dynamic and growth oriented start-up company, founded in 2012. It is strongly networking worldwide and willing to co-operate with suitable and credible actors in the market. SansOx is currently preparing to be listed in suitable stock market in near future in order to promote the muscles and marketing efforts for the planned expanding of the company and brand. | $94.7K / Pre-Seed / Dec 31, 2016 | ||
| Nocart Ltd was established in 2010. Nocart Ltd’s original business concept was to produce a wide range of services for industrial automation. This included automation systems programming, user interface design, electrical design, consulting and training.Pretty soon the company started to develop solutions for the small power plants’ electricityneeds. This was mainly due to two factors, first wasthe feedback from the developers and manufacturers of small power, that there was no cost-effective power generation solutions available in the market, the second reason was our desire to develop technology for more efficient ways to generate electricity from renewable energy sources and that way be part of the transformation towards a cleaner energy. | $5.3M / Venture - Series Unknown / Dec 14, 2016 | ||
| Watty makes tools to help people keep track of what is happening in their home all the time, in real-time. It's a subscription-based solution. The Watty box is installed in your home and via the Watty app you get access to insights on your energy usage and insights about our home. Watty's innovation combines multiple tech disciplines,such as AI, hardware, iOT, SaaS. People get a Watty subscription to have peace of mind, to make smarter choices at home every day and to be sustainably conscious. | $3.3M / Seed / Jul 12, 2016 | ||
| ResQ Club is a Finnish company connecting sustainable restaurants, cafes, and grocery stores with consumers that appreciate eating affordable quality food. ResQ partners can drastically reduce their food waste with their proprietary location-based mobile and web service, as it enables consumers to find and rescue surplus food in their proximity.Every meal purchased via ResQ is one less meal thrown away, helping their urban communities to waste less and be more sustainable.They are on a mission to reduce food waste to zero at restaurants, cafes, and grocery stores. It's estimated that 10% of the already produced food in restaurants ends up in the trash instead of hungry mouths. On a global scale, this equals 11 million tons of food wasted every year. | $362.6K / Seed / May 25, 2016 | ||
| Nocart Ltd was established in 2010. Nocart Ltd’s original business concept was to produce a wide range of services for industrial automation. This included automation systems programming, user interface design, electrical design, consulting and training.Pretty soon the company started to develop solutions for the small power plants’ electricityneeds. This was mainly due to two factors, first wasthe feedback from the developers and manufacturers of small power, that there was no cost-effective power generation solutions available in the market, the second reason was our desire to develop technology for more efficient ways to generate electricity from renewable energy sources and that way be part of the transformation towards a cleaner energy. | Venture - Series Unknown / Sep 22, 2015 | ||
| See all 20 investments → | |||
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FAQ
What does Loudspring invest in?
Loudspring invests primarily in Water, Energy and Software startups, most often at Venture - Series Unknown and Seed stage. Most of the 20 investments tracked by Shizune back companies in Finland. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does Loudspring invest in?
Loudspring typically joins rounds of $363k–$3.3M at Seed and $909k–$5.3M at Venture - Series Unknown. These are whole funding-round sizes, not Loudspring's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Loudspring took part in.
How do I contact Loudspring?
Public channels for Loudspring include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at Loudspring?
The team at Loudspring includes Timo Linnainmaa (Co-founder, Partner). The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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