Service Growth Lab Business Guides: Practical, field-tested-style workflows for small exterior-cleaning operators. The examples here are hypothetical; no claim is made that they describe actual customers.
Profit on a worksheet does not pay a bill
Service businesses often earn profit on one job while waiting days or weeks for payment. Payroll, fuel, insurance, equipment repairs and supplier bills may be due first. You need both a profitability view and a short-range cash forecast. Either alone is incomplete.
Four numbers to put on one page
Track: (1) available cash today; (2) invoices owed to you and when you expect collection; (3) bills, debt and payroll due in the next 30 days; and (4) estimated operating margin on completed jobs. Don't count the entire accounts-receivable balance as money already in the bank.
Example: a profitable week with a cash squeeze
Suppose a contractor completes four jobs invoiced at $525 each: $2,100 billed. Job costs total $920 and an allocated portion of overhead is $380, leaving an estimated $800 contribution before taxes and omitted costs. If just $500 is collected this week and $1,050 in bills are due tomorrow, the contractor still needs cash. Profit and timing are different measurements.
Forecast the next four Fridays
Start with bank cash. Add only reasonably expected customer payments for each week, adjusted for collections uncertainty. Subtract payroll, supplies, recurring bills, debt payments and known tax obligations as they become due. Calculate closing cash and carry it into the next week. When closing cash falls below your chosen operating buffer, investigate collection timing or upcoming expenses early.
Set a simple unpaid-invoice routine
Each invoice should have a customer name, issue date, due date, amount billed, amount collected and next follow-up date. A non-accusatory reminder shortly after the due date is more useful than trying to remember unpaid work at month end. Escalate disputes by checking approved scope, work completion records and changes.
Measure actual profit after the job
A job that appeared to earn $190 may earn much less after an unexpected extra trip, overtime, chemical overuse or rework. Record actual time and materials, compare them with estimates, and adjust future quotes. The Business OS is a practical job, payment-follow-up and margin-tracking companion; it is not a bank account or full accounting platform.
Make better offers before committing costs
When a customer is considering multiple scope options, the Three-Tier Proposal Builder helps compare labor, materials, travel and estimated gross margin for three real service options. It does not guarantee collected revenue; it helps make the quote's assumptions visible.
A weekly leadership checklist
Review closing cash, overdue invoices, vendor bills due soon, next week's work, forecasted direct costs, and the worst two margin variances. Record one action per problem and a date for follow-up. This is an operating discipline, not financial forecasting advice.
Next step
For federal bookkeeping principles, review IRS Publication 583. Use professional accounting advice for financial statements, income recognition and taxation.
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