About
We've done the job you need done.
Not as advisors. As the person on the org chart — Head of Growth, COO, CFO. Now we do the same thing for startups who aren't ready to hire full-time.
Our story
We've sat on your side of the table
We've sat in the board meeting where nobody could explain why CAC tripled. We've built the financial model at 2am before a funding deadline. We've ripped out an underperforming agency and rebuilt acquisition from scratch. All of it from inside the company, with our name on the results.
We know what it feels like to make decisions under pressure - with incomplete data, competing priorities, and a board that wants answers. That's exactly why we founded Arc Scaling Partners.
Everything a full-time hire would deliver. Without the 6-month search.
Team
Felix & Colin
Felix Plastrotmann
Co-Founder · Ex-COO/CFO · LinkedIn
Built complete funnels from lead to sale and financial operations from the ground up. Track record in turnarounds, fundraising preparation, and building new business models in international markets. Bridges growth operations and finance to drive real P&L impact.
Colin Deitert
Co-Founder · Ex-Director Strategy & Ops · LinkedIn
Built growth teams from the ground up, designed experimentation programs, and systematized go-to-market processes across multiple teams. Combines strategic thinking with data-driven execution to turn chaotic setups into scalable structures.
Principles
How we operate
Operators, not consultants
We don't give advice from the outside. We've held the roles, owned the KPIs, and been accountable for the results. That's why we work the way we do.
No discovery phase
We don't spend months writing reports. We diagnose fast, start fixing what matters most, and show progress you can measure.
Built to hand over
Everything we build is designed for your team to run. The dashboards, the processes, the meeting cadences — they're yours. We're done when you don't need us anymore.