Sorso is an outsourced accounting and fractional CFO firm. You'll guide owners on planning and profitability, and you'll also coordinate each client's accounting team, prepare the supporting work they rely on, and make sure the financials are clean and GAAP-compliant. If cash runs low, a strategy stalls, or the books aren't audit-ready, it's your problem to solve.
Build and maintain long-term financial models, budgets, and cash-flow forecasts
Monitor and optimize cash flow; protect runway so clients never run out of cash
Lead two scheduled client calls per month, presenting financials in plain English and challenging clients constructively
Run scenario and sensitivity analysis to flag the client's most vulnerable points
Onboard new clients by gathering data, cleaning up the books, and building the Current Financial Overview
WHAT YOU'LL DO - CONTROLLER AND ACCOUNTING OVERSIGHT
On many clients, you'll run the full finance function, not just advise on it. Coordinate and direct the client's accounting team and external bookkeepers, keeping the close on schedule




Prepare and review supporting schedules, workpapers, and files the accounting team relies on
Oversee month-end close, reconciliations, and journal entries, and review for accuracy
Maintain audit-ready books and serve as the point of contact for external auditors and tax advisors
Strengthen accounting processes and internal controls across the client's systems
You should know how to use AI to draft reports, build schedules, analyze data, and move faster without sacrificing accuracy. Strong accounting and corporate finance foundation (controller, FP&A;, audit, or CFO background)
Experience with Carta and managing cap tables
Experience managing or coordinating an accounting team or bookkeepers
High accuracy under deadline pressure, and discretion with sensitive financial data
Fluent, confident written and spoken English, since you'll be client-facing
Comfort building financial models in Excel and reading across accou

📌 Part Time Finance Director (Ciudad de México)
🏢 Sorso
📍 Ciudad de México