Sunny Ray talks with Gabriel, co-founder and CEO of Migasuto, a fractional CFO firm based in London that calls itself a commercial architect and capital readiness filter for high-growth AI and fintech startups. Gabriel traces his path from studying law in East London to interning at Nomura, spending nearly a decade in investment management at T. Rowe Price, and eventually founding Migasuto with his mother after passing CFA Level 2 in 2023. He explains why hitting one million in ARR can be misleading when compute and API costs quietly erode margins, especially for AI companies still pricing themselves like traditional eighty percent margin SaaS businesses. Gabriel shares how a pivot from a content and data analytics model into fractional CFO services unlocked real traction, and how his work with the Black British Initiative exposed an infrastructure gap driving the UK wealth disparity among black founders. He outlines Migasuto's Ascension and Pinnacle Performance portfolios and the three stage Ascension Capital Pathway used to move founders from foundation to full investment readiness.
A fractional CFO explains why ARR growth without solid unit economics leaves AI and fintech founders exposed.
What does Migasuto do, in a quick pitch?
We serve as fractional CFOs, or commercial architects as we like to call ourselves, supporting ambitious founders who need to see beyond vision alone. There are a lot of visionary ideas out there, but the question is how to commercialize them to create predictability, because predictability is what investors need to understand how to deploy capital into a business.
By the end of this interview, what will listeners walk away with?
Looking beyond vanity ARR metrics and factoring in the unit economics that eat into margins and cause startups to run out of cash. We'll dive into the key metrics and things to watch for to avoid running out of capital, which is usually the biggest reason startups fail in this market.
Take me back before law and finance. What was young Gabe like, and what path did people expect for you?
I grew up in East London and studied law because I loved reading cases and solving problems legally. In my second year I got drawn to corporate law, got mentored by corporate lawyers, learned about commercial awareness, and interned at Nomura. That led me to T. Rowe Price, where I learned fundamental analysis on companies like Tesla, Visa and Mastercard, pursued my CFA, and eventually founded Migasuto in 2023 after trips back to Africa, bootstrapping until going full time in 2025.
Was there a specific deal where you watched the million dollar ARR illusion break, and what happened?
Revenue looked great, but when it came time to prepare for due diligence and unpack opex and direct costs, compute was really eating into the operating expenses. It felt like the business was raising capital just to cover compute costs. What would have saved them was starting from the foundations, making sure the unit economics tied to the balance sheet and the operations were repeatable before pitching investors.
What's the failure that rewired how you think as an operator?
When I founded Migasuto with my mom, we originally focused on data analytics and content creation. After about a year I realized that model wasn't scalable. Being humble and accepting it was time to pivot, I converted those assets into fractional CFO services. It took a founder telling me at an event that he needed financial models, not content, for the lightbulb to go off and the business to transform.
You said compute is eating the cap table. Walk me through realizing an AI company's revenue story and unit economics didn't add up.
Some AI companies are still building pricing around the old SaaS model with margins over eighty percent, but those margins have compressed to around forty percent once you factor in compute and API costs you actually have to pay. Not building a separate pricing and unit economics model early means founders move fast, then realize the model is broken and they need a big venture round just to survive.
What was the conviction underneath deciding to build the filter yourself instead of advising from the sidelines?
I kept meeting founders whose entire business plan lived in their head, with a real disconnect between the vision and the data room. Through my role as CFO of the Black British Initiative I interviewed hundreds of founders and saw over eighty percent had no written plan. I ended up stepping in directly as a commercial architect, even renegotiating contracts for founders who had underpriced themselves and were eating into their own margins.
When did the funding gap for black founders stop being a statistic and become a mission for you?
Meeting Darren Miller, CEO of the Black British Initiative, in 2024 was the turning point. He introduced me to the idea of the infrastructure gap, where a business idea is solid but lacks the systems to prove investment readiness. Learning that the average UK business turns over about eight hundred thousand pounds versus twenty five thousand for black owned businesses gave me the confidence to focus Migasuto's Ascension portfolio on closing that gap.
Building something daring? Sunny talks to founders like this every day. Fifteen minutes to see if your story belongs on the stage.
Claim your pre-interview