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14,448 startups · 29 programs

Rockelox

Rockelox is building fully reusable heavy-lift launch systems to launch Europe from Europe.

WebsiteMassChallenge page

Why it ranks

How the rank works
1signal of 100 · rising 1
  • went through MassChallengeProgram · this site+1

A sum of public facts, not a judgement and not investment advice.

Competitors

OtherRATLOGShared: reusable heavy, heavy liftYC F26DresdenStartup →OtherHStarShared: fully reusable, reusable heavy, launchAntler 2022USStartup →OtherCosmic RoboticsShared: heavy lift, buildingYC S26San FranciscoStartup →OtherJetPack AviationShared: heavy lift, systemYC W19Los AngelesStartup →
Companies closest to Rockelox
Company
RATLOGShared: reusable heavy, heavy liftYC F26ActiveOther
HStarShared: fully reusable, reusable heavy, launchAntler 2022Not statedOther
Cosmic RoboticsShared: heavy lift, buildingYC S26 +1ActiveOther
JetPack AviationShared: heavy lift, systemYC W19ActiveOther

Adjacent

AIRelativity SpaceShared: heavy lift, launch, reusableYC W16Los AngelesStartup →AIAdaptyvShared: building fullyYC S21LausanneStartup →OtherKlearlyShared: europeAntler 2022NetherlandsStartup →AIMindFortShared: building fullyYC X25Los AngelesStartup →OtherGyverShared: europeAntler 2024Enterprise Software & SaaSStartup →
Companies next to Rockelox
Company
Relativity SpaceShared: heavy lift, launch, reusableYC W16ActiveAI
AdaptyvShared: building fullyYC S21ActiveAI
KlearlyShared: europeAntler 2022Not statedOther
MindFortShared: building fullyYC X25ActiveAI, Devtools
GyverShared: europeAntler 2024Not statedOther

Also from MassChallenge Switzerland and UK 2026

All of MassChallenge Switzerland and UK 2026
AIAegis VekterAegis Vekter is an AI-powered emergency intelligence platform built for small and rural governments and small businesses, enabling faster...MassChallenge Switzerland and UK 2026United StatesStartup →AIAI EdgeLabsAI systems are already being deployed into autonomous drones, edge decision tools, and mission-critical operations, but almost nobody is securing the...MassChallenge Switzerland and UK 2026United StatesStartup →AIAlProteinAt AlProtein, we are creating the farm of the future, one where water lentils are the cows, and AI is the farmer.MassChallenge Switzerland and UK 2026GermanyStartup →AIAssetguard+ LtdAssetGuard+ is an AI-powered cybersecurity platform that discovers, classifies, and monitors digital assets across cloud and hybrid environments.MassChallenge Switzerland and UK 2026United KingdomStartup →AIBioSky Space InnovationsSpace-powered, AI-native decision intelligence for renewable integration and grid resilience.MassChallenge Switzerland and UK 2026IndiaStartup →AIBrainModBrainMod is an AI-powered cognitive optimization and clinical decision support platform.MassChallenge Switzerland and UK 2026FranceStartup →
Company
Aegis VekterAegis Vekter is an AI-powered emergency intelligence platform built for small and rural governments and small businesses, enabling faster...Not statedAI
AI EdgeLabsAI systems are already being deployed into autonomous drones, edge decision tools, and mission-critical operations, but almost nobody is securing the...Not statedAI
AlProteinAt AlProtein, we are creating the farm of the future, one where water lentils are the cows, and AI is the farmer.Not statedAI
Assetguard+ LtdAssetGuard+ is an AI-powered cybersecurity platform that discovers, classifies, and monitors digital assets across cloud and hybrid environments.Not statedAI
BioSky Space InnovationsSpace-powered, AI-native decision intelligence for renewable integration and grid resilience.Not statedAI
BrainModBrainMod is an AI-powered cognitive optimization and clinical decision support platform.Not statedAI

Programs

Programs Rockelox went through
ProgramCohortSource
MassChallengeSwitzerland and UK 2026MassChallenge Page

About Rockelox

Category
Other
Location
United Kingdom
Checked
6h ago

Rockelox: questions

Which accelerators did Rockelox go through?

Rockelox is listed by MassChallenge (Switzerland and UK 2026).

Where is Rockelox based?

Rockelox lists United Kingdom as its location on MassChallenge's page.