Slovak Organization for Space Activities

What Slovak Organization for Space Activities does

Slovak Organization for Space Activities (SOSA) is a civic association (non-profit) founded in 2009 and headquartered in the Slovak Republic, dedicated to advancing Slovak participation in space research and technology. It operates as a community of ~20 named members spanning astrophysicists, engineers, and educators, and has executed more than 40 stratospheric balloon flights alongside satellite and ground-station development. Its most notable technical achievement is skCUBE, Slovakia's first satellite, launched in 2017, supported by the country's first operational amateur ground station network.

SOSA's product portfolio spans stratospheric balloon subsystems and payloads, nanosatellite and cubesat platform components (including communications, power, and camera/ground subsystems contributed to missions such as Veronika), ground station infrastructure, and specialized testing equipment. It is currently developing the ARDEA sounding rocket project as a higher-complexity suborbital capability. Education and public outreach — school lectures, festival appearances, and citizen-science programs — are core, recurring activities.

The organization's business model is hybrid and non-commercial in form: revenue is generated through EU and Slovak public grants (most prominently the 2025–2027 INTERREG NANOSAT project at €204,757.29), membership fees, donations and crowdfunding, and service fees from equipment rentals and e-shop sales. Commercial spin-off activity is channeled through Spacemanic, a separate for-profit entity created in 2014. Customer segments are split across public-sector grant funders, academic partners (FEI STU, TUKE), Czech observatory collaborators, schools, and individual consumers, with no large enterprise customer disclosed.

Name

Slovak Organization for Space Activities

Legal name

Slovenská organizácia pre vesmírne aktivity

Website

https://sosa.sk

Company type

Private

Founded year

2009

Operating status

Operating

Headcount range

11–50 employees

Short description

SOSA is a Slovak civic association founded in 2009 that builds stratospheric balloon subsystems, nanosatellite components, and ground station infrastructure, while delivering space-education programs to schools and the public.

Ownership category

akta.pro rank

Product category

Aerospace Research and Education Services

NAICS

Guided Missile and Space Vehicle Manufacturing (336414), Satellite Telecommunications (51741)

SIC

Guided Missiles & Space Vehicles & Parts (3760), Search, Detection, Navagation, Guidance, Aeronautical Sys (3812)

akta.pro primary industry

Spacecraft & Satellites (Civil/Commercial) (IMABACAB)

akta.pro secondary industries

Space Payloads & Instruments (Sensors, Comms, EO/IR) (IMABACAD), Small Unmanned Aerial Systems (sUAS) & Multirotor Drones (IMABAIAA)

Keywords

• Stratospheric balloon flights
• Nanosatellite development
• Space technology education
• ESA project consulting
• Ground station operations

Headquarters

HQ city

Jablonec

HQ country

Czechia

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Service Fees: SOSA generates revenue through providing paid services including comprehensive stratospheric probe development and launch, project consulting, technology testing and development, and comprehensive system development. These are service-based engagements with clients.
2. Membership Fees: The organization recruits both individual members (with annual membership) and corporate members who pay for association benefits including presentation at events, lectures, and use of space suits and other props.
3. Grants and Project Funding: SOSA receives EU and government funding for cross-border educational projects. Example: NANOSAT project with budget of €204,757.29 (€163,805.83 EU source). The organization has also received grants from the Ministry of Education for ESA-related project administration.
4. Donations and Crowdfunding: SOSA accepts financial support through sponsorship donations and 2% tax donation mechanism (podiel 2% z dane). Patreon membership platform provides recurring financial contributions from supporters.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels9 records

Core offering

SOSA is a civic association that develops and operates stratospheric balloon systems and nanosatellite technologies while providing space research, testing, and consulting services. It designs, builds, and launches stratospheric probes carrying scientific payloads to approximately 30-40km altitude and offers end-to-end services including payload development, flight tracking, and recovery. The organization also delivers educational services (lectures, workshops, competitions), maintains automated ground radio stations for satellite signal reception, and operates the kozmonautika.sk space news portal.

Product overview

Slovak Organization for Space Activities (SOSA) is a civic association founded in 2009 that serves as a platform for space research, education, and innovation. The organization offers a portfolio of products and services centered on space technology development and popularization. Core products include the skCUBE (first Slovak satellite), NANOSAT educational nanosatellite development, ARDEA suborbital rockets, and stratospheric balloon flight services. Technical services encompass complex system development (stratospheric probes, satellite subsystems), testing equipment (vacuum chamber, Helmholtz coils, GPS simulator, centrifuge, CNC mill), and ground radio station networks. Educational offerings include lectures, workshops, courses, the Misia Mars student competition, and spacesuit rental. The organization also maintains kozmonautika.sk as an information portal for space news and provides project consulting for ESA and Horizon 2020 calls. The portfolio is complemented by experimental projects like Picobalóny, Growbox, Stratosférický klzák, and OpenDSKY.

Differentiator

Problem solved

Functional benefit

Products and services

• Stratospheric Balloon Flights (Balónové lety do stratosféry) End-to-end stratospheric balloon mission service for scientific and commercial customers — design, construction, launch, tracking, and payload recovery after ascending to approximately 30-40km altitude. Over 40 successful flights completed since 2010 starting with the JULO-1 probe named after Július Satinský.
• Complex System Development Complete system development services for clients, including stratospheric probe design and launch, electronics and nanosatellite subsystem development, and ground radio station network services. Built on experience developing Slovakia's first satellite skCUBE in collaboration with technology firm Spacemanic.
• Ground Radio Station Network Network of automated ground radio stations in Bratislava and Košice equipped with antenna rotators, capable of receiving and transmitting nanosatellite signals across 2m, 70cm, and 13cm bands. Functionality was verified by successful reception of skCUBE satellite signals.
• Testing Technologies and Equipment Access to SOSA's specialized testing facilities for space hardware and instruments, including a vacuum chamber with heating plate and thermostat, Helmholtz coil system creating near-homogeneous magnetic field, GPS signal simulator, 20G centrifuge, and in-house electronics prototyping laboratory.
• Project Consulting (Projektové poradenstvo) Consulting service assisting Slovak companies and research institutions with applications for ESA project calls, Horizon 2020 space-related funding programs, ESNC and Copernicus Masters competitions.
• Popularization and Education Educational service offering lectures at schools, event preparation, activity booths, structured courses in space science, and rental of space suits and props for promotional/marketing purposes. Audiences range from preschool children to specialized technical sessions for experts.
• NANOSAT Educational Program Cross-border education program focused on nanosatellite and space technology development, implemented jointly with Hvězdárna Valašské Meziříčí in the Czech Republic under INTERREG SK-CZ funding. Includes educational activities for youth, students, and the public, expected to reach 213 participants.
• skafander.sk E-commerce Storefront Own e-commerce storefront selling space-related merchandise (skafander.sk), operated as part of SOSA's community outreach and supplementary revenue stream.
• Misia Mars Competition Educational competition for students to design projects for simulated Mars missions, including survival project concepts for the Red Planet, supporting STEM engagement at the secondary-education level.

Quantifiable outcome

• Over 40 successful stratospheric flights since 2010
• +2 more outcomes

Named customers2 records

Segments4 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

26 partnerships are on record, tiered core and minor.

• FEI STU (Slovak Technical University)coreStrategic or Co-development PartnerFEI STU (Faculty of Electrical Engineering and Informatics) provides workspace and facilities for SOSA's headquarters ('Houston' of the organization). Long-term collaboration with mutual benefits for space technology research and education.
• Letecká fakulta TUKE (Faculty of Aviation, Technical University of Košice)coreStrategic or Co-development PartnerThe Faculty has trained notable astronauts including Vladimír Remek and Ivan Bella. Long-term collaboration includes the orientation system for skCUBE satellite and current work on the GRBAlpha satellite project.
• Vysoká škola výtvarných umení v Bratislave (Academy of Fine Arts and Design)minorStrategic or Co-development PartnerSOSA collaborated as consultants on the Moon Village project where students designed habitats suitable for lunar habitation. Continued collaboration is planned.
• Mendelova univerzita v Brne – Ústav chémie a biochémie (Mendel University in Brno)coreStrategic or Co-development PartnerCollaboration through cross-border projects including 'Spoločne medzi Zemou a vesmírom' (Together Between Earth and Space) with workshops, lectures, and stratospheric flights with scientific experiments. Also collaborated on 'Near Space: faster and further' project.
• Hvězdárna Valašské Meziříčí (Valašské Meziříčí Observatory)coreStrategic or Co-development PartnerOne of the most active observatories in the Czech Republic, dating back to 1929. Main partner in many cross-border projects. Joint project partner for NANOSAT (INTERREG SK-CZ/2023/4_Vzdelávanie) with budget of €204,757.29. Also collaborates on SMZV and SPVONT projects.
• Hvezdáreň a planetárium Brno (Brno Observatory and Planetarium)minorStrategic or Co-development PartnerSOSA organizes the PicoBaloon Challenge competition with the final held at the Brno Observatory. Observatory has been operating since 1954 and is associated with famous astronomers.
• Hvezdáreň a planetárium M. R. Štefánika v Hlohovci (M. R. Štefánik Observatory and Planetarium Hlohovec)minorStrategic or Co-development PartnerDue to proximity to Bratislava, plans exist for stratospheric balloon launches from this location. Permit applications have been submitted to the Civil Aviation Authority.
• Hvezdáreň v Partizánskom (Partizánske Observatory)coreStrategic or Co-development PartnerLocation where SOSA began its journey on October 24, 2009. Birthplace of the skBALLOON project. Two generations of JULO stratospheric probes were launched from this site. Currently hosts a ground station and active collaboration in education and popularization.
• Astronomický klub Juraja Bárdyho Plevník – DrieňovéminorStrategic or Co-development PartnerAstronomical club founded in 1999, focused on popularization and education in astronomy in the Považská Bystrica region. Organizes the 33-year-running Perseid expedition in Vrchteplá.
• Kosmo KlubminorStrategic or Co-development PartnerMission to inform about space developments and inspire space enthusiasts in the Czech Republic. SOSA has known and collaborated with many members for years.
• Nadácia ESET (ESET Foundation)minorStrategic or Co-development PartnerESET Foundation helps organizations in Slovakia overcome challenges and reach new milestones. Through the Employee Grant Program, SOSA was able to purchase equipment, organize courses, and develop activities. Also supported via SK-CUBE satellite development.
• PEAK Púchovský eko-astro klubminorStrategic or Co-development PartnerCivic association focused on development and promotion of astronomy in Púchov and surrounding area. Also participates in preparation of the Perseid astronomical expedition in Vrchteplá.
• SOLAR Hvezdáreň SenecminorStrategic or Co-development PartnerAstronomical association aiming to build a methodological-popularization center of astronomy in Senec. SOSA participates in their regular astronomy lectures.
• Česká kozmická kancelář (Czech Space Office)minorStrategic or Co-development PartnerThis institution provides expert and consulting services related to space activities in the Czech Republic. Their multi-year experience with ESA, project solutions, and space industry activities has been a valuable source of information.
• SpacemaniccoreStrategic or Co-development PartnerSpacemanic was founded in 2014 as a spin-off from SOSA. The company provides solutions, platforms, components, and services in the nanosatellite field. SOSA closely collaborates with Spacemanic on satellite subsystem development. Founder Jakub Kapuš also leads this company.
• RMCminorStrategic or Co-development PartnerRMC provides system solutions in industrial electronics, communication, and navigation systems. Close collaboration was established during skCUBE development and continues to grow.
• M2M SolutionsminorStrategic or Co-development PartnerTechnology company focused on supply chain management. From July 2019, the entire company became an official member of SOSA and provided premises for events in Žilina.
• Incoff AerospaceminorStrategic or Co-development PartnerResearch and development company specializing in innovative and intelligent technological solutions, research, development, and prototype development.
• EDISminorStrategic or Co-development PartnerCompany supports the development of applied magnetometry and sensorics laboratory at the Faculty of Aviation TUKE and doctoral student work. Also sponsors conferences and seminars on magnetometry topics.
• DNB ConsultminorStrategic or Co-development PartnerCompany focuses on in vitro tests of raw materials and final products. Also assesses and improves ergonomics and ease of use of devices in demanding environments. Collaboration began during skCUBE work and continues successfully.
• CTRL Ltd.minorStrategic or Co-development PartnerCompany founded in 2010, focused on building and deploying electronic products with latest technologies in cyberphysical systems including electronics, communication components, and systems approach with focus on management.
• Brain:ITminorStrategic or Co-development PartnerTechnology company active since 2012, intensively focused on neural network development and intelligent containers. From 2017 added AI software solutions, custom software development, database management, and IT consulting.
• BOROSPACEminorStrategic or Co-development PartnerCompany aims to establish itself in the space technology market for safe propulsion systems for sounding rockets and other vehicles. Long-term collaboration on the ARDEA project (Amateur Rocket Development Adventure).
• MartinusminorStrategic or Co-development PartnerMartinus.sk is Slovakia's largest online bookstore and second largest book retailer overall. Multiple times voted 'best' and 'most popular' online store in independent surveys. Supports educational activities and has provided bookmarks enabling many children to access quality literature.
• MSM GroupminorStrategic or Co-development PartnerCompany encompasses subsidiaries in defense and civil engineering industries including ammunition, military wheeled and tracked vehicles, and radio navigation electronics. Among platinum partners of the skCUBE project and supported its successful completion.
• Rohrer-ImperaminorStrategic or Co-development PartnerSlovak company focused on industrial services including assembly and modernization of technological equipment, pressure vessel manufacturing, and steel structures. Founded in 2017 with Austrian partner Rohrer Group. Financially contributes to SOSA to support popularization activities.

Scale indicators6 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• The Planetary Society: Largest non-profit space advocacy organization globally, running educational programs, technology projects (e.g., LightSail), and member-funded initiatives. Comparable to SOSA's role as a civic/non-profit space organization with educational and outreach focus.
• GomSpace: Swedish-listed supplier of nanosatellite subsystems, platforms, and services. Directly comparable on the nanosatellite subsystem development work that SOSA performs, with significantly more commercial scale and heritage.
• Czech Space Office (Česká kosmická kancelář): Public-funded coordinator for Czech space activities, providing consulting services to industry, academia, and government on ESA and EU programs. Highly analogous to SOSA's connector role for Slovakia, with longer-established authority and broader mandate.

Direct peers

• NanoAvionics: Lithuanian small-satellite mission integrator and bus manufacturer offering end-to-end nanosatellite services. Comparable as a small European company delivering commercial satellite subsystems and integrated platforms with an educational/community DNA.
• Spacemanic: Slovak nanosatellite company founded in 2014 as a direct spin-off from SOSA. Builds on the same technical DNA and many of the same people (chairman Jakub Kapuš leads both), while competing commercially for the same Slovak/Czech satellite customer base.
• ISIS – Innovative Solutions In Space: Dutch small-satellite component and launch-services provider with strong educational and university-customer roots. Comparable to SOSA in bridging academic/educational communities with commercial nanosatellite subsystem delivery.
• AMSAT (Radio Amateur Satellite Corporation): US-based amateur/non-profit organization that builds and operates amateur satellites and ground stations. Closely analogous to SOSA in mission (community-driven satellite development, ground station networks, educational outreach) and member structure.
• Hungarian Astronautical Society (MANT): Hungarian non-profit space society promoting space science, education, and amateur rocket/satellite activities. Closest Central European functional analogue to SOSA in regional scope, mission, and structure.
• Hvězdárna Valašské Meziříčí: Czech observatory and educational institution that is SOSA's primary cross-border partner (NANOSAT, SMZV, SPVONT projects). Comparable in combining observational astronomy, public outreach, and applied space-tech projects with educational programs.

Regional players

• Polskie Towarzystwo Astronautyczne (Polish Astronomical Society): Polish non-profit scientific society promoting astronomy and astronautics, with educational and amateur-satellite programs. Regional peer with analogous civic-association structure in a nearby Central European market.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/slovak-organisation-for-space-activities
• Xx.com/kozmonautika
• Facebookfacebook.com/sofsa

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Funding overview

Funding rounds

Investors

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M&A

Investments

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Frequently asked questions about Slovak Organization for Space Activities