The winner of the Challenger Ideator accelerator program 2023 is WeAreTeam!
On 30 May, the final event of the Challenger Ideator accelerator programme to...
Read moreHighlighted blog posts
Challenger Ideator
Do you have an idea for solving a city’s challenges? Challenger Ideator...
Read moreThe winner of the Challenger Green & Digital 2022 is DEVS!
The grand finale of the Challenger Green & Digital acceleration program, ...
Read moreStartups need to prepare for worse times due to the economic and geopolitical situation
The economic crisis represents a threat to startups, but at the same time, it...
Read moreTHE SECOND BATCH OF CHALLENGER URBAN: CREATIVE HAS ITS WINNERS!
On 28 June, Demo Day – the final event of the Challenger Urban: Creative acce...
Read moreChallenger accelerator will support the best startups and fast-growing technology companies
Challenger is a non-equity startup accelerator based in Bratis...
Read moreSlovak startups received a record amount of investments last year
How was the year 2021 for Slovak startups, and when will there be a unicorn i...
Read moreWinners of the Challenger Green&Digital!
After over two years of zoom events, we were able to make this Demo Day offli...
Read moreMeet the Challenger Urban:Creative Alumni – eGreen City
The winner of the 1st round of Challenger Urban: Creative – eGreen City...
Read moreUrban:Creative startups wanted!
Take your chance to implement your innovative solution in the city of Košice ...
Read moreGreen&Digital Demo Day 2022
Demo Day is the final event of the Challenger accelerator. Final 8 startups w...
Read moreChallenger Startups 2020-21
What a night! Congrats to all our 7 startups for impressive presentations dur...
Read morePresident of Slovakia supports Challenger
We are excited that we have just received an official letter confirming that ...
Read moreLatest blog posts
Green&Digital Startups wanted
Applications for Challenger Green & Digital are now open. In 2021 we will...
Challenger Accelerator launch: Diversity as a Driving Force
The day has arrived – Challenger Accelerator launches in Estonia! Challenger ...
Challenger Demo day – 10 February
Join our live stream to see the best green economy startups CEE has to offer!...
Meet our corporate partners
Learn about why our corporate partners decided to join the Challenger Startup...
Sustainability Investment Landscape & Trends
Depletion of natural resources has been an ongoing trend for decades. With an...
Challenger will accelerate green startups
Challenger will help startups to kick off their businesses and get investment...