It also depends on the level of the business and the industry you’re in or planning to grow in. Basic, simple accounting stops being enough when a business reaches the level of complex projects. I also recommend the article if you want to read more about construction and why deep, modern accounting is so important there, where projects can last years, budgets get recalculated, and mistakes in those calculations can cost millions. At that point, accounting can’t just be called a support function. It’s more of a strategic tool.