Here for founders,
powered by founders

Sky is not a limit. We accelerate startups to the moon and further, building Europe’s startup ecosystem and unlocking its full potential. We focus on what truly moves startups forward.

The story of AceOn

🌱 We started in 2019 under the wings of Accace as a non-profit accelerator, #accacelife, supporting startups and traditional businesses with social impact.

🙌 In 2023, Accace and ZAKA VC joined forces to create AceON Accelerator with a bold vision to build an international go-to hub for founders.

🤩 Since launching our first program, we’ve accelerated 100+ startups, invested in the most promising ones, and received applications from over 50 countries worldwide.

💪 Our team supports every startup in the program with hands-on experience and a deep understanding of the “must-know” topics founders can’t afford to ignore. From fundraising and venture capital to validation, valuation, dilution, and business models.

WHO WE ARE

Created by skilled entrepreneurs and start-up enthusiasts from advisory & BPO company Accace, together with ZAKA VC fund, our accelerator program is designed to turn entrepreneurs' ideas into successful businesses.

The world-class accelerator consists of two programs – Spring Accelerator and Autumn Accelerator that can take place either online or offline. With a diverse team of skilled mentors and experts you can get support and first-hand insights into finance, business development, marketing and more.

With a long history of helping and guiding start-ups, we have helped dozens of European start-ups to grow and shine.

Look no further and join the AceON Accelerator for start-ups, get access to the network of like-minded people. We got you covered from mentorship to possible investment.

Our vision

Our vision is to boost talents and shape the start-up ecosystem across Europe.

Who is behind AceON

Accace currently employs more than 800 professionals globally and operates in more than 50 jurisdictions. It is trusted by startups, SMEs, and global businesses thanks to comprehensive range of services in the field of accounting, taxes, law, payroll, and HR solutions.
About Accace
ZAKA is a VC fund with 80+ startups in its portfolio, established by two serial entrepreneurs, Ján Kasper and Peter Zálešák. It invests in pre-seed, seed startups and follow-ons. ZAKA supports companies not only with financing but also by actively helping them throughout their entrepreneurial journey.
About ZAKA

Meet OUR TEAM

Peter Pašek

Peter Pašek

Co-founder AceON | Managing Director & Partner Accace Slovakia

Peter Pašek

Since 2013, Peter has managed Accace, one of the largest consulting companies on the Slovak market. Recognized as specialist in transaction and tax consulting, he participated in several sales of companies, set up the structure of the transaction and represented companies in negotiations with investors.
Ján Kasper

Ján Kasper

Co-founder AceON | Co-founder & Managing Partner ZAKA

Ján Kasper

Experienced entrepreneur operating in 50 companies across 9 different industries, generating a total revenue of 700 million EUR. His primary interests lie in the communication, energy, leisure & hospitality, and real estate and development sectors. Obtained his MBA at Webster and PHD at Comenius University.
Petra Konarikova

Petra Konáriková

Strategy & Partnerships

Petra Konáriková

Petra is experienced in marketing, communication and brand development. She leads the team that organizes the AceON Accelerator, coordinates corporate CSR and employer branding projects, and is passionate about connecting (with) people.
Martina Mandakova

Martina Mandáková

Marketing & Community

Martina Mandáková

In addition to working with tech start-ups in both accelerator and incubator, she has experience in marketing, sales, graphic and web design and years of experience running own business.
See more
Autumn Accelerator 2025
*AceON Accelerator played a pivotal role in helping me scale Garnet AI at a critical stage of the company’s journey. The programme pushed me to sharpen our value proposition, stress test our assumptions and translate early traction into a clear growth narrative.* What stood out most was the quality of mentorship and the practical focus on execution. Every session was grounded in real founder challenges, from go to market strategy to cross border expansion. AceON gave me both clarity and confidence to make sharper decisions and it has had a lasting impact on how I build and scale Garnet AI.

Rusha Sen

CEO
Garnet AI
Autumn Accelerator 2025
AceON is a founder-first program that brings clarity to fundraising and real signals to early business conversations. The program was extremely valuable in helping us sharpen our understanding of core fundraising objectives while facilitating meaningful connections with potential businesses. We deeply appreciate the thoughtful engagement and actionable feedback from our mentors, Laura Stefan and Bassey, whose insights helped us challenge our assumptions and refine our approach. A special thanks to Martina and Petra for their outstanding coordination and for creating such a well-run, supportive experience throughout the program.

Vijay Nadadur

CEO
KnowledgeVerse AI
Autumn Accelerator 2025
AceON Accelerator was a real boost for DATA SWEEP. In just a few sessions, we got honest, investor-style feedback (especially on our pitch deck), learned how VCs actually think, and made genuine connections with mentors and the cohort. It felt practical, supportive, and immediately useful. The guidance was straightforward and actionable: focus on markets with strong growth (think 20%+ annually), articulate 2–3 real unfair advantages, stay optimistic while being prepared, and do the hard work required to turn vision into reality. The mentoring was valuable, as it brought clarity, challenged our assumptions, and pushed us to make smarter decisions. I also appreciated the cohort spirit, which reminded me that the startup ecosystem works best when people build together, share feedback, and support each other. Join AceON if you want real investor-grade feedback, great mentors, and a cohort that pushes you to level up fast, highly recommended.

Cosmin Botoroga

CEO
DATA SWEEP
Spring Accelerator 2024
AceON start-up accelerator was perfect for Flyer’s Guard. The remote evening sessions fit my schedule, and I learned a lot without feeling overwhelmed. The contacts I made turned into valuable business partnerships. Plus, their free consultations after the program are a great bonus. Highly recommend!

Michal Roth

CEO
Flyer´s Guard
Spring Accelerator 2024
As a startup that recently participated in the AceON Accelerator program, I can confidently say that our experience was exceptional! AceON provided an incredible ecosystem of knowledge and support. The speaker sessions were truly invaluable, covering a wide range of topics from fundraising to growing the startup! The practical advice from mentors was actionable and tailored to our specific needs. Moreover, the networking opportunities were abundant, allowing us to connect with other startups and industry experts. From day one until the Demo Day, AceON fostered an environment of growth, learning, and collaboration!

Phi Long Bui

Co-CEO
Swayme
Spring Accelerator 2024
Participating in the AceON Spring Accelerator was a game-changer for our startup Jusi. The program's intensive webinars and personalized mentorship helped us refine our business model and accelerate our growth. The support from experienced mentors and access to a vast network of industry professionals were invaluable. By the end of the program, we had a solid MVP and were ready to enter the market with confidence. Ready to investment stage!

Konstantin Doronin

CEO
Jusi

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