Build a great business
through beautiful limits.
The conventional business playbook wasn't written to solve our current crises. This course teaches you how to drive radical impact by defining your edge and saying no to endless growth.
13 Lessons • 5 Strategy Tools • 10-20 Real Cases
The Reality Â
You're building a business to solve a real problem.
Climate change. Biodiversity. Inequality. Waste.
Something that actually matters.
You've read the theory. Circular economy. Wellbeing economics. Doughnut economics.
You try to apply it, and it's hard. Meanwhile, everyone tells you the same thing: Grow to have impact. Scale up. Raise capital. Think bigger.
So you chase growth. And something breaks.
You lose the flexibility that made you effective. Decisions slow down. You're further away from your work and the problems you want to solve. The impact you set out to create gets diluted by the demands of scaling.
Meanwhile, the problems you're solving keep getting worse.
The classic strategy isn't working.
What If There's Another Way?
What if the answer isn't growing bigger, but building better?
What if you could scale your impact through eight proven strategies (where growth is just one of them)?
What if defining your appropriate size - your edge - and using that strategic limitation proactively was the most impactful decision you could make?
There is another way. And it's working for companies right now.
We’ve distilled it into a clear, teachable system and show you how to apply it directly to your business.
The Edge Masterclass Crowdfunding Campaign
Pre-order now to lock in early bird pricing and get immediate access to starter content.
What you get:Â
Early birds (February - June) get a 50% discount, immediate access to starter content, early access as we finish the lessons, and the course guaranteed—regardless of whether we hit our funding goal.
Who is this course for?
Startup founders building for impact.
SME leaders with 5-250 employees.
Social entrepreneurs tired of "grow or die".
Who is this not for?
Anyone determined to build a unicorn at any cost.
Anyone wanting quick hacks without a change of strategy and structure
Leaders in large companies.
The Edge Masterclass
$199 early bird priceÂ
âś“ 13 lessons
âś“ 5 strategy tools
âś“ 10-20 real company cases
âś“ Lifetime access
âś“ Early access as we build
30-day money-back guarantee
Phase 1:Â First week
60% off
$159Â
EXCLUSIVE BONUSES:
Private Community Forum
Access to starter content
- Edge Playbook & Toolkit
- The Edge Finder Workshop
Â
6-week CohortÂ
-Â Weekly live sessions (max. 40 people in a cohort)Â
-Â Private community channelÂ
-Â Personal feedback on your business
- (normal price $599)
Phase 2: Feb-June
50% off
$199
Bonus announced in June.
Access starter content and lessons as they are completed.Â
Phase 3: June-Oct
40% off
$239
Bonus announced in Oct.
Access lessons as they are completed.Â
Time until Phase 2 and the 50% discount ends
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DAYS
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HOURS
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MINS
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SECS
What to expect from this course
The Edge Business Board
An anchoring framework that shows how your business operates as a system. See how one change here affects everything over there.
Define Your Edge
Learn the 3-step process: evaluate your size factors, develop your theory of change, and create a business plan to achieve growth independence.
Scale Impact 8 Ways
Master the framework for scaling impact better by going beyond growth. Most companies only use one strategy. You'll use a mix.
Protect Your Edge
Design ownership structures and finance models that let you choose not to grow when it doesn't serve your mission.
Match Size to Ambition
Find your balance point between economies of small and large scale. Then organize to leverage it.
The lessonsÂ
Lesson 1: The Edge Business Board
Lesson 2: Story of success
Lesson 3: Scaling Impact
Lesson 4: Define the edge
Lesson 5: Size factors
Lesson 6: Your business model's theory of change
Lesson 7: The Wave Business Plan
Lesson 8: Ownership & Governance
Lesson 9: Alternative Finance
Lesson 10: Alternative KPIs
Lesson 11: The three phases of a transition
Lesson 12: Find your edge to work the scale
Lesson 13: Get to work
The Edge Business Board
The Edge Business Board is your anchoring framework. It shows how your business operates as a system—how components inside and outside the company interact. This is where everything comes together.Â
The starter content
You get immediate access to (1) The Edge Playbook, (2) The Edge Toolkit, and (3) The Edge Finder Workshop. The Playbook shows you 10 strategies through real company case studies. The Toolkit provides reflective questions and small exercises to help you apply these strategies in your business. The Workshop starts the conversation with your team. Start learning today, not in fall 2026.
Who's running this course?
Marcus Feldthus & Oscar Haumann
We ran a consultancy for 9 years, helping green startups and SMEs.
In 2024, we closed it to build House of Small. We're followed by 50,000+ people, published a book with Denmark's most renowned publisher, and have analyzed 200+ companies to build this framework.
We're not academics. We're practitioners who've made the hard decisions.
FAQ
How does the 3-phase differential pricing work?
What's special about Phase 1?
What's the structure for the 6-week cohort?
What happens if you don't reach 300 pre-orders?
Can I get a refund?
What do I get immediately when I pre-order?
What's in the full Edge Masterclass?
I'm not a startup. I'm an established SME. Is this still relevant?
Will this work for my industry?
Who are you and why should I trust you?
Timeline. When will the full course be ready?
The Edge Masterclass
$199 early bird price
âś“ 13 lessons
âś“ 5 strategy tools
âś“ 10-20 real company cases
âś“ Lifetime access
âś“ Early access as we build
30-day money-back guarantee