You're advising a team evaluating the launch of a new financial technology service in a mid-sized European country. Leadership wants a practical estimate of the opportunity before committing product, compliance, and go-to-market resources. They are less interested in a perfect number than in whether you can size the market in a structured way, pressure test assumptions, and separate the total market from the realistically reachable one.
Walk me through how you would estimate the market size for a new financial technology service in a mid-sized European country.
