Happy Bootstrapping Newsletter

Pentacode: How Lorenz Strasser Bootstrapped an HR Software Managing 60,000 Employees – Without a Single Investor

"Happy Bootstrapping" Volume #47

Feb 9 • Andreas Lehr

1

Weinwunder: How Andreas Krause Builds an Online Shop for Wines You Can't Get in Germany – As a Side Business

"Happy Bootstrapping" Volume #46

Feb 2 • Andreas Lehr

3

1

January 2026

The Trailblazers: How Jannis Johannmeier Built a PR Agency with €2.5 Million Revenue and Zero Sales Budget

"Happy Bootstrapping" Volume #45

Jan 26 • Andreas Lehr

4

1

Sonuby Weather: How Julian Meier Builds a Weather App with $1,400 MRR as an Indie Developer

"Happy Bootstrapping" Volume #43

Jan 19 • Andreas Lehr

1

alfima.io: How Alexander Bünk Shut Down His 42-Employee Agency and Built a €63K MRR SaaS in 7 Months

"Happy Bootstrapping" Volume #42

Jan 12 • Andreas Lehr

2

kcalculator.de: How Jannis Kuhrt Builds B2B SaaS Alongside Full-Time Job and Family

"Happy Bootstrapping" Volume #41

Jan 5 • Andreas Lehr

5

December 2025

Marswalk: How Victor Founded a Gen Z Agency at 20 and Makes 5 Million Euros Revenue

"Happy Bootstrapping" Volume #40

Dec 23, 2025 • Andreas Lehr

2

Zenbox: How Konstantin Built a Hardware Product with AI and Made 10,000€ Revenue

"Happy Bootstrapping" Volume #39

Dec 15, 2025 • Andreas Lehr

1

Finally Freelancing: Maruan Builds Germany's Largest Freelancer Consultancy with Over 1,200 Clients

"Happy Bootstrapping" Volume #38

Dec 8, 2025 • Andreas Lehr

3

From Silicon Valley to Heilbronn: How Oliver Hanisch Builds a Startup Ecosystem with the Campus Founders Team

"Happy Bootstrapping" Volume #37

Dec 1, 2025 • Andreas Lehr

2

November 2025

13 Years of Clockodo: How Moritz Hofmann Reached Over 500,000 Euro MRR with 35 People

"Happy Bootstrapping" Volume #36

Nov 24, 2025 • Andreas Lehr

1

10 Years of Silberthal: How Matthias Schnizler Reached 8-Figure Revenue with 15 People

"Happy Bootstrapping" Volume #35

Nov 17, 2025 • Andreas Lehr

2