AI-powered. Human-centered. The accelerator that helps social enterprises grow their impact.

A free 14-week accelerator for social enterprises and impact startups registered in Germany. Strengthen your business model, master key business tools and grow your measurable social and environmental impact.

Who Impact Sprint Lab is for

Your startup is registered. Now it's time to grow. Impact Sprint Lab is a free accelerator for social enterprises and impact startups. AI becomes your copilot, no-code tools help you work smarter, and human coaching keeps you on track, so you can strengthen your business and scale your impact.

Social enterprises & impact startups (SMEs) registered in Germany

Migrant entrepreneurs & inclusive business models welcome

Purpose-driven teams aligned with the SDGs of the United Nations

What Makes Impact Sprint Lab Special

Personalized 1:1 Kick-Off with Human AI Head Coaches

Start tailored, not generic. Experienced head coaches and mentors combine tech-driven insights with hands-on expertise to set you up for sustainable success.

One Immersive Retreat - Your Safe Space to Connect

Our retreat in Beeskow (Brandenburg) welcomes founding teams — including founders with migration backgrounds — to gain clarity, confidence, and community.

Build Ventures That Truly Matter

Sharpen your solution to real social and environmental challenges, aligned with the SDGs and a practical Theory of Change, so your activities lead to measurable long-term outcomes.

Tech Without Barriers

Not a tech expert? Perfect. We make AI and no-code tools your secret weapon to work smarter and grow, without needing a tech team.

A Program That Fits Your Life

Already running a business? Our hybrid structure — onsite sessions and remote sprints — fits alongside your day-to-day operations without losing depth or momentum.

Empowering YOU as a Gamechanger

We strengthen your confidence, leadership, and resilience, so you grow as a founder and as a changemaker — especially when navigating new cultures and systems.

Apply here!

18 spots – open until filled

Winter/Spring Cohort 2027 Program & Key Dates

Our approach combines practical, outcome-driven workshops with expert briefings on topics most important to founders – from navigating local bureaucracy and founding structures to brand building and funding. This technical foundation is supplemented by dedicated personal development sessions, peer-to-peer learning, and one-on-one coaching to build founder resilience and leadership identity while navigating clear program outcomes.

In addition to the key dates below, regular remote sessions are held between each onsite meetup to maintain momentum, deepen learning, and keep the cohort connected throughout the program.

01

Thu 21 Jan 2027

Pre-onboarding (online)

02

Thu 28 Jan 2027

ISL Kick-off (onsite)

03

Thu 18 Feb 2027

Founder Lab 1 (onsite)

04

Tue 23 Mar 2027

Founder Lab 2 (onsite)

05

9 – 11 Apr 2027

ISL Retreat (onsite)

06

Thu 29 Apr 2027

Demo Day (onsite)

Apply here!

18 spots – open until filled

What ISL Founders Will Walk Away With

Stronger Product-Market Fit

Improve your product or service with real customer feedback.

Pitch & Pitch Deck

Refine your pitch and presentation deck to be investor-ready.

Impact Business Model

Develop your embedded impact Business Model Canvas, and evolve your pricing strategy, revenue streams, financial plan.

Go-to-Market Strategy

Run channel experiments, establish customer & stakeholder segments, and develop your traction playbook.

Impact Thesis

Define an SDG-aligned impact strategy, develop your Theory of Change, learn how to measure impact, and tell a compelling impact story.

Founder Growth

Understand your why and develop practical founder skills such as leadership, branding, legal & operations, and funding literacy.

Apply here!

18 spots – open until filled

Impressions from our Kick-off & Open Event

These are our Experts

ISL — Expert Team Section

Apply here!

18 spots – open until filled

What you will Learn

Impact & Sustainability – Turn your vision into measurable impact

- SDG mapping & stakeholder outcomes - Theory of Change & Impact Mapping - KPI design & learning loops

Product & Customer Insights – Improve what you already offer

- Customer interviews & feedback loops - No-code tools to improve and automate - AI-assisted research & insights

Business Model & Go-to-Market – Shape a viable, real-world business model

- Business model design & pricing - Traction channels & GTM experiments - Partnerships & lightweight fundraising

Founder Identity & Empowerment – Empowering YOU, not just your business

- Leadership & decision frameworks - Resilience, confidence & habits - Inclusive communication & crosscultural navigation

Coaches & Community

Work with Human AI Head Coaches who guide you through every stage — with insightful workshops, interactive Q&A sessions, and personalized 1:1 coaching. Join a supportive, international founder community bridging Berlin’s startup energy with Brandenburg’s creative focus.

Claudia Andrea Brasche

Project Manager

Yamile Vargas

Head of Venture Building & Community Manager

Regine Haschka-Helmer

Head Coachin

Anisha Mohil

Lead Impact Coachin

Gernot Diaz

Marketing Manager

Sandra Aguirre

Social Media Manager

Angela Präuner

Administration

Meet the Founders of Cohort 1, 2026

From rough idea to validated prototype in one program cycle – meet the founders behind it.

ISL — Testimonials

The most valuable part of Impact Sprint Lab has been the mentoring sessions and the support from the various coaches. Each session explores a different step of building a business, making the program both dynamic and empowering, built on community, empowerment and engagement.

Aleksandra

Founder NeuralGrounds

Impact Sprint Lab challenged us to think bigger, connect deeper, and present our startup with confidence. Demo Day felt like a major milestone in our journey.

Manuel

Founder Encuentro de Hispanos

What has impressed me most about Impact Sprint Lab is how thoughtfully the curriculum is designed, combined with the openness and kindness of all the coaches. It’s a strong program with genuinely supportive people behind it.

Ebony

Founder FoodStorii

The Impact Sprint Lab brought clarity, inspiration, and a renewed vision for my entrepreneurial journey. The learnings and connections will stay with me forever.

Saurabhi

Founder LettsLocal

The Impact Sprint Lab was a game-changer for our startup. It helped us sharpen our vision, strengthen our scaling strategy, and accelerate our growth.

Eldin

Founder Bazarium

Impact Sprint Lab gave me the confidence and support to turn my vision into action. It is one of the few programs that truly supports both the founder and the business behind the idea.

Laura

Founder Lumuly

The most valuable part of the program was the people, the shared space, and the expertise the mentors brought to the table. That combination made the experience powerful, joyful, and full of opportunities.

Itzel

Founder LoLo the App

“

The most valuable part of Impact Sprint Lab has been the mentoring sessions and the support from the various coaches. Each session explores a different step of building a business, making the program both dynamic and empowering, built on community, empowerment and engagement.

Aleksandra

Founder NeuralGrounds

“

ISL challenged us to think bigger, connect deeper, and present our startup with confidence. Demo Day felt like a major milestone in our journey.

Manuel

Founder Encuentro de Hispanos

What has impressed me most about Impact Sprint Lab is how thoughtfully the curriculum is designed, combined with the openness and kindness of all the coaches. It’s a strong program with genuinely supportive people behind it.

Ebony

Founder FoodStorii

The Impact Sprint Lab brought clarity, inspiration, and a renewed vision for my entrepreneurial journey. The learnings and connections will stay with me forever.

Saurabhi

Founder LettsLocal

The Impact Sprint Lab was a game-changer for our startup. It helped us sharpen our vision, strengthen our scaling strategy, and accelerate our growth.

Eldin

Founder Bazarium

Impact Sprint Lab gave me the confidence and support to turn my vision into action. It is one of the few programs that truly supports both the founder and the business behind the idea.

Laura

Founder Lumuly

The most valuable part of the program was the people, the shared space, and the expertise the mentors brought to the table. That combination made the experience powerful, joyful, and full of opportunities.

Itzel

Founder LoLo the App

Apply here!

18 spots – open until filled

Completely free, Funded by

Impact Sprint Lab is supported by the Federal Ministry for Economic Affairs and Energy (BMWi) and co‑funded by the European Union under the ESF+ programme. The programme is implemented on behalf of the funding authority by Ibykus AG.

Frequently asked questions

Who can join the Impact Sprint Lab?

Impact Sprint Lab is an accelerator for social enterprises and impact startups registered in Germany that create measurable social or environmental impact. This includes: - Registered SMEs with a clear social or environmental purpose (revenue not required yet) - Migrant entrepreneurs & inclusive business models - Purpose-driven teams aligned with the UN Sustainable Development Goals (SDGs) - If you want to grow your impact and strengthen your business, ISL is for you.

How is the program structured?

What is the goal of Impact Sprint Lab?

Is participation free of charge?

How does the application work?