S
SmallSpark Space Systems
Enabling business to participate in the lunar economy and developing critical infrastructure to enable human and robotic exploration to the Moon and beyond
About SmallSpark Space Systems
Smallspark Space Systems is a pioneering company specializing in the development of advanced propulsion systems and launch solutions for atmospheric and space research. The company operates primarily in the aerospace sector, focusing on the design and optimization of propulsion systems for satellites, suborbital launches, and atmospheric research. Smallspark serves a diverse range of clients, including governmental space agencies, private aerospace companies, and research institutions.
Read full description
The company's business model revolves around providing cutting-edge propulsion technologies that simplify launch processes, enhance safety, and improve performance. Their flagship product, the S4 Hive engine architecture, is backed by Research England and the Welsh Government. This engine offers high specific impulse, reduced complexity, and highly stable fuels, making it a reliable and controllable option for responsive launch vehicles.
Smallspark generates revenue through the sale of its propulsion systems and related services, including design optimization and consultancy for aerospace projects. The company is committed to reigniting the UK's space capabilities by delivering innovative and efficient solutions that meet the evolving needs of the space industry.
At a glance
- Status
- Operational
- Founded
- 2018
- Headquarters
- Cardiff, United Kingdom
- Employees
- 18
- Open positions
- None listed
- Dealroom signal
- 62.1/100
- Sector
- Space, Defence, Core AI, Space Tech, Launch Vehicles, Last Mile in-Space Logistics, Space Transportation, Esa Bic, ESA, ESA SME, In-Space Operations
- Technology
- Artificial Intelligence, Deep Tech
- Business model
- SaaS
- Client focus
- b2b
Knowledge graph
More headlines
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| SUPPORT PROGRAM✓Other financing | Sep 2024 | $0 | — | CDL-Paris | — |
| SEEDEquity / VC | Apr 2023 | $1.3M | $5.3M | Undisclosed | — |
Financials
Revenue, earnings and other financial measures where available. Years marked “E” are estimates.
Growth signals
Latest recorded traffic for SmallSpark Space Systems is 320 monthly website visits, down 50% over the last three months. SmallSpark Space Systems's team grew 0% over the past year.
Similar companies
Company identity and context are open; selected comparison metrics preview what is available on the platform.
Investments and acquisitions
Recent portfolio relationships for companies that also act as investors or acquirers.
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Seed5 investors entered at this stage
Deepbridge Capital
STFC
The Welsh Government
UK Research and Innovation
UK Export Finance
Other known investors2 additional known investors
CDL-Paris
ESA Business Incubation Centre United Kingdom
Source: Dealroom Talent Intelligence.
Global footprint
Market sentiment
An AI-synthesised read of the highest-engagement posts about SmallSpark Space Systems on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
See SmallSpark Space Systems’s full profile on Dealroom
Request a free trial to see the complete deal history, financials, people graph and growth signals.
Takes under a minute. Already use Dealroom? Log in.







