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Top startups in Luxembourg 2026

Source-backed listing1136 startupsordered by verification progress

Independently seeded from public ecosystem coverage and company-owned pages, verified against official registers where possible. Ranking is never paid: startups are ordered by data quality and relevance, and every profile links to its sources. Looking for every Luxembourg company? Browse all companies →

Zigzag-conceptCustom textiles & promotional products

Zigzag-concept is a Luxembourg custom textiles & promotional products company.

HolzemEN
2/5 verified · 1 source on record

LuxQuantumQuantum

LuxQuantum S.à r.l.-S is a Luxembourg deep-tech startup working on quantum cybersecurity, building interoperability between traditional and quantum tools (Post-Quantum Cryptography and Quantum Key Distribution). Its registered office is at 9, avenue des Hauts-Fourneaux, L-4362 Esch-sur-Alzette.

Esch-sur-AlzetteEN
1/5 verified · 4 sources on record

digitalUsRegTech

digitalUs S.à r.l. is a University of Luxembourg (SnT) spin-off whose AI-based entity-resolution technology connects public data points into a unified digital profile to automate and speed up background screening and compliance risk intelligence.

Esch-sur-AlzetteEN
1/5 verified · 3 sources on record

ElleQuantFinTech

GenAI-powered SaaS for private-market investors that helps deal teams scale deal flow and surface investment insights.

DifferdangeEN
1/5 verified · 3 sources on record

Endurica EuropeMaterials Simulation

European arm of elastomer-durability software and services provider Endurica, offering CAE workflows for fatigue analysis of rubber and elastomers.

Esch-sur-AlzetteEN
1/5 verified · 3 sources on record

AI PlanetAI

AI platform and community (formerly DPhi) offering community-driven AI learning and an AI marketplace. AI Planet S.à r.l. is the Luxembourg entity of the AI Planet group.

LuxembourgEN
1/5 verified · 2 sources on record

Antaria LuxembourgBusiness Services

Business-services group dedicated to independent pharmacists, building solutions to develop pharmacy businesses while preserving their independence.

LuxembourgEN
1/5 verified · 2 sources on record

Astroport Space TechnologiesSpacetech

Space-construction company developing lunar in-situ construction materials from regolith and the robotic site-preparation processes needed to build landing pads and surface infrastructure on the Moon; selected for ESRIC's start-up support programme. Astroport Space Technologies S.à r.l. is the Luxembourg subsidiary of the US-based Astroport group.

LuxembourgEN
1/5 verified · 2 sources on record

BobbystoneSoftware

Technology provider behind the "Oh My Guide!" mobile app and platform, which gamifies physical spaces (cities, museums, factories, festivals) so visitors discover them through play.

LuxembourgEN
1/5 verified · 2 sources on record

CapilexFinTech

Capilex S.A. is a Luxembourg-registered fintech delivering automated, real-estate-backed business lending using AI, financial algorithms and PSD2 open-banking data.

LuxembourgEN
1/5 verified · 2 sources on record

CollectoryArt Tech

Collectory S.à r.l. audits, secures and certifies the value, ownership, authenticity and provenance of valuable artworks, pairing physical artworks to tamper-proof blockchain records and smart contracts for the art market.

LuxembourgEN
1/5 verified · 2 sources on record

DivizendFinTech

Divizend Luxembourg S.à r.l. is the Luxembourg entity of the Divizend wealth-tax fintech, which automates the reclaim of foreign dividend withholding tax for individual and institutional investors.

LuxembourgEN
1/5 verified · 2 sources on record

eduGamiTecEdTech

eduGamiTec is a Luxembourg EdTech company whose platform lets small units of curriculum be merged into digital games, turning entertainment into playful, motivating learning for children.

KopstalEN
1/5 verified · 2 sources on record

EPR MobilityMobility

Consultation, development and research in conventional, alternative and sustainable powertrains for vehicles and for mobile and stationary systems.

OberfeulenEN
1/5 verified · 2 sources on record

FiveofficesFlex Office Marketplace

Digital marketplace for flexible office space that connects companies seeking short- and medium-term offices with companies that have unused capacity to sublet.

LuxembourgEN
1/5 verified · 2 sources on record

Haven Cyber TechnologiesCybersecurity

Haven Cyber Technologies is a Luxembourg-based buy-and-build cybersecurity group that acquires and grows cyber security companies to provide security services for mid- and large-sized organisations.

LuxembourgEN
1/5 verified · 2 sources on record

KeymittIoT

Keymitt S.A. is a Luxembourg IoT company making smart-lock retrofitting devices and MicroBot actuators that turn traditional locks and switches into smartphone- and voice-controlled smart-home devices.

LuxembourgEN
1/5 verified · 2 sources on record

kShuttle InternationalFinTech

kShuttle International S.à r.l. is a Luxembourg-registered regtech whose ExRP platform structures ESG, tax and financial data to help large organisations comply with frameworks such as CSRD, the EU Taxonomy, IFRS 16 and Pillar Two.

LuxembourgEN
1/5 verified · 2 sources on record

Lingua Custodia LuxembourgAI

Lingua Custodia Luxembourg S.à r.l. is the Luxembourg entity of a Franco-Luxembourg fintech specialising in natural-language processing for finance, including machine translation and generative-AI document tools; it opened its Luxembourg office in 2019 and is a member of the LHoFT.

LuxembourgEN
1/5 verified · 2 sources on record

Meracle Health (Luxembourg)HealthTech

MedTech company optimising the delivery of respiratory therapy, developing a digital smart-spacer system that gives patients and clinicians real-time LED feedback on inhaler technique to improve medication delivery to the lungs.

Esch-sur-AlzetteEN
1/5 verified · 2 sources on record

No Big DealHealth & Wellbeing

No Big Deal S.A. is a Luxembourg startup (registered office 9 Rue du Laboratoire, L-1911 Luxembourg) that lets brands create gamified mobile health and wellbeing challenges, such as step counts and screen-time limits, rewarding users with brand discounts.

LuxembourgEN
1/5 verified · 2 sources on record

RegTech DatahubFinTech

RegTech Datahub S.à r.l. is a Luxembourg-registered regtech, a LHoFT Catapult Kickstarter winner, working on regulatory data solutions including fund look-through and .TPT (Tripartite Template) file generation.

LuxembourgEN
1/5 verified · 2 sources on record

Symbiose ManagementFinTech

Symbiose Management S.à r.l. is a Luxembourg-registered fintech building an AI- and satellite-data-driven platform for the valuation of forest assets and carbon-negative, nature-positive investment solutions.

LuxembourgEN
1/5 verified · 2 sources on record

TechnOptizDeeptech

TechnOptiz is a Luxembourg deeptech spin-off providing software sensors for biogas plants that estimate hard-to-measure variables of the anaerobic-digestion process, giving operators real-time diagnosis of biological health and reducing the risk of acidification and system failure.

Esch-sur-AlzetteEN
1/5 verified · 2 sources on record

Trustly EuropeFinTech

Trustly Europe S.A. is the Luxembourg-registered entity within the Trustly group, an open-banking account-to-account payments provider, listed on the LHoFT Luxembourg Fintech Map.

LuxembourgEN
1/5 verified · 2 sources on record

Tulum EnergyEnergy

Clean-hydrogen company developing a methane-pyrolysis process to produce turquoise hydrogen and solid carbon without CO2 emissions, targeting hard-to-abate industrial sectors.

LuxembourgEN
1/5 verified · 2 sources on record

Upwork Payments EuropeFinTech

Upwork Payments Europe S.A. is the Luxembourg-registered payments entity within the Upwork group, listed on the LHoFT Luxembourg Fintech Map.

LuxembourgEN
1/5 verified · 2 sources on record

WestyleFinTech

Luxembourg FinTech company developing an integrated cross-channel e-wallet and payment platform.

TétangeEN
1/5 verified · 2 sources on record

AQTEEVSpace

AQTEEV is a Luxembourg-registered company active in the space sector.

LuxembourgEN
1/5 verified · 1 source on record

DataQube LuxembourgICT

DataQube Luxembourg is a Luxembourg-registered ICT company in the edge data-centre space, providing modular data-centre infrastructure.

LuxembourgEN
1/5 verified · 1 source on record

Flawless PhotonicsSpace

Flawless Photonics is the Luxembourg-registered entity of the Flawless Photonics group, working on in-space manufacturing of high-purity optical fibre and related photonics technology.

LuxembourgEN
1/5 verified · 1 source on record

GomSpace LuxembourgSpace

GomSpace Luxembourg is the Luxembourg subsidiary of the GomSpace group, a nanosatellite and small-satellite systems manufacturer.

LuxembourgEN
1/5 verified · 1 source on record

Intelligentsia ConsultantsCleanTech Consulting

Intelligentsia Consultants is a Luxembourg-registered consultancy advising on innovation, sustainability and clean-technology projects and EU funding.

LuxembourgEN
1/5 verified · 1 source on record

Redwire Space EuropeSpace

Redwire Space Europe is the Luxembourg subsidiary of Redwire Corporation, a space-infrastructure company building components and systems for satellites and spacecraft.

LuxembourgEN
1/5 verified · 1 source on record

team size and founding year come from unverified ecosystem coverage, marked as pending in each profile's provenance table