Startup Forecast Financial Model

I need a clean, fully-linked financial model that lets me forecast and track my startup’s performance with confidence. The core objective is straightforward: give me a reliable tool for day-to-day budgeting and longer-term forecasting—nothing more, nothing less... (Budget: £20 - £250 GBP, Jobs: Business Analysis, Data Analysis, Excel, Finance, Financial Analysis, Financial Forecasting, Financial Modeling, Google Sheets)