Selected in 2026 during the Luxembourg Venture Days, discover the 24 selected startups of Fit 4 Start #17. 

Fit 4 Start #17 - Selected startups

Digital projects

Luxembourg 

Blueberry

Tech-enabled resale infrastructure for children's clothes
Website

Luxembourg

CloudSoul 

Automated cybersecurity and compliance platform for SMEs.
Website

Luxembourg 

Enidia AI

Enidia AI is a Luxembourg company that lets lawyers sign off on what AI writes for them. Each answer shows the passage it comes from, and whatever the documents don't contai is reported, so lawyers only check what needs checking.
Website

United Kingdom

enstic

Enstic automates insect monitoring by pairing its own field hardware with AI. Its devices identify insects in the field, turning slow manual insect sampling into continuous, decision-ready data for public health, agriculture and conversation.
Website

Portugal

FiberSight

FiberSight is a deep-tech startup developing advanced distributed fiber-optic sensing solutions that turn optical fibers into intelligent, continuous monitoring systems. Originating from CERN research, our technology enables real-time detection of temperature and humidity changes over long distances.
Website

Luxembourg 

Infratailors

Infratailors makes sovereign, self-hosted AI pratical. We predict and optimise how AI models perform on GPU infrastructure, which cuts cost and energy use for companies that neet to keep their data and models in-house. It is a University of Luxembourg spin-off.
Website

Luxembourg 

Karimi

Karimi is a Luxembourg-based career campanion app for students and young professionals. It builds your CV from a conversation  understands your skills, and matches you to roles and companies with a clear reason behind every match.
Website

Luxembourg 

LXplorer

LXVerse, developed by the Luxembourg company LXplorer SARL-S, is an AI-powered simulation platform where lawyers and legal professionals practise real deals before they are real. They advise AI clients and draft and negotiate the documentation.
Website

Luxembourg 

Monnett 

Monnett is a social network made for humans, built in Luxembourg for the world. It connects real people with friends and communities, while giving them control over their feed, data and privacy. By replacing advertising with memberships. Monnett is building a healthier alternative to traditional social media. 
Website

Luxembourg 

Superpositions 

Superpositions is a quantum software company building a unified application decision layer for quantum and hybrid quantum-classical computing. It translates business problems into solvable ones, benchmarks them against the best classical methods.
Website

HealthTech  projects

Luxembourg 

BellaPause

BellaPause bridges the gap between perimenopause and menopause supplements promises and your supplements, shows you the evidence behind each ingredient, finds cheaper alternatives, and helps you track what's actually working for your symptoms.
Website

Luxembourg

LuxAvenor

LuxAvenor is a care intelligence platform for elderly care homes, connecting management software, an AI-powered nurse app and radar fall detection. It simplifies documentation, reporting and alerts, helping care teams spend less time on administration and more time with residents.
Website

France

Proskope 

Enidia AI is a Luxembourg company that lets lawyers sign off on what AI writes for them. Each answer shows the passage it comes from, and whatever the documents don't contai is reported, so lawyers only check what needs checking.
Website

Luxembourg 

Slippery Saints 

Almost very candom you have ever used still exists and most contain chemicals linked to cancer and hormonal disruption. Slippery Saints is developing a potented material that makes latex-items biodegradable for the first time, starting with condoms and extending to medical gloves.
Website

Switzerland

Venture Robot Solutions

Venture Robot Solutions builds end-to-end service robots that take repetitive, non-clinical tasks off healthcare teams. By operating reliably in complex human environments, our robots give frontline staff more time to focus on people.
Website

Space projects

Estonia

Antscape

Antscape develops ecological intelligence tools that turn Earth observation, climate and soil data into practical decisions for climate-resilient cities. Our Urban NBS Planner supports professional planning, while Plant Finder helps resident choose plants suited to local conditions.
Website

Germany

Aperio Space Technologies

Aperio Space Technologies provides Network Orchestration Software for sovereign, scalable and resilient infrastructures in space. We route and manage data traffic in dynamic satellite networks using our SDN controller to achieve resilient, SLA compliant communication.
Website

France

NaubotiX

NaubotiX is a Luxembourg deep-tech startup building the brain of space and terrestrial robots, letting them sense, plan, decide and act without human supervision.
Website

Luxembourg 

Nova  Lux Orbital 

Nova Lux Orbital builds computing infrastructure in space. We're building satelites that can process that data directly in orbit, using high-performance computing and artificial intelligence, and deliver usefuk results instead of simply sending raw data back to Earth.
Website

France

Ovia Qore

Ovia Space is a venture builder developing Europe's sovereign orbital infrastructure. Its first venture. OVIA QORE, designs, owns and operates a network of orbital micro data centers that gives governments and critical operators sovereign, resilient storage and compute capacity.
Website

Defence projects

Luxembourg 

AETHERION Space and Defence

AETHERION Space & Defence is a Luxembourg defence-tech company a distributed mmWare radar mesh and Vigil software to detect and track low-flying drones around military and critical infrastructure sites.
Website

Ukraine

Lanka Robotics

Autonomy for unmanned ground vehicles that works without GPS, maps, or stable connectivity. We build the navigation layer that keeps UGVs completing missions even when operators can't control them.
Website

Luxembourg 

USIL Therapeutics

Developing the first multi-organ treatment for acute radiation injury caused by nuclear or radialogical exposure. Our dual-use medical countermeasure is designed for military, civil protection and emergency preparedness applications, addressing a capability gap in radiation response.
Website

Luxembourg 

Zero Gauss

A pre-seed high-power microwave company built for the drone era, where every intercept still uses ammunition that must be bought, built, and resupplied. Our ammunition is electricity; a focused microwave pulse disables or fries a drone's electronics for about €1 per shot, including fibre-optic drones that jamming
Website