How do you collect budgets from department managers without chasing spreadsheets?
Give each manager one place to enter their numbers, pre-filled with a first version built from actuals and known changes, so nobody starts from a blank template. Finance sets the shared assumptions centrally, managers adjust only what they own, and approvals happen in the same place instead of over email.
What is headcount planning, and who owns it?
Headcount planning is the plan for who you'll employ, when, and at what cost: current staff, open roles, hiring dates, raises and burden. HR usually owns the people data and finance owns the cost. It works best when both feed the same model, so a delayed hire changes the forecast without anyone retyping it.
How do you budget for salaries, benefits, raises and new hires?
Plan by person or role, not by department total. Each line carries a salary, a burden rate for benefits and payroll taxes, the raise date and percentage, and a start date for new hires. The budget then adds itself up, and moving one hire's start date flows straight through to cost and cash.
How do you keep one approved version of the budget?
Stop emailing files. Keep the budget in one place with named versions, such as working, submitted and approved, control who can edit what, and lock the approved version once it's signed off. Later changes become a reforecast measured against it, not a new copy of the file with a date in its name.