Startup · United Kingdom

OrbiSky

HQ London, United KingdomUpdated Oct 19, 2026

We are developing autonomous orbital manufacturing missions — and the technology to operate them.

Capabilities1

Capabilities
Technology	Role	Maturity	TRL	Notes	Confidence
Space, launch and counterspace	Developer	—	—	classify_sectors run 37, haiku, taxonomy 2026-10-18b: Developing autonomous orbital manufacturing missions and their operating technology; no defense use is stated.	Reported

Space, launch and counterspace
Developer
classify_sectors run 37, haiku, taxonomy 2026-10-18b: Developing autonomous orbital manufacturing missions and their operating technology; no defense use is stated.
—Reported

Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.

People
Person	Role
Sylvester Kaczmarek	Chief Executive Officer

1
DatabaseSixth-Domain public startups directory
Sixth-Domain · Supports Organization · kind
“{"group": "startups", "id": "5e83fe8f-2ebd-4051-ba00-376608c8c9e4", "name": "OrbiSky"}”
2
CompanyOrbiSky — Building industry in orbit
OrbiSky · Supports Organization · description, Organization · name, Organization · website
“We are developing autonomous orbital manufacturing missions — and the technology to operate them.”
3
Companyorbisky website
Supports Organization · country, Organization · hq city
“OrbiSky Ltd London, United Kingdom”

4
NewsOrbiSky awarded UK Space Agency contract for in-orbit manufacturing verification
openpr.com · Supports Role
“Sylvester Kaczmarek, Chief Executive Officer at OrbiSky, said: SkyYield is about turning the unique conditions of microgravity into real-world capability.”

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.