Professional commercial cleaning team preparing equipment for a janitorial services bid
Cleaning June 2026 Β· 7 min read βœ“ Reviewed for accuracy

How to Bid a Commercial Cleaning Job: A Step-by-Step Walkthrough

Informational only. This article does not constitute insurance, legal, or financial advice. Coverage terms vary by carrier, policy, and jurisdiction. Full disclaimer.

Commercial cleaning contracts are where the real money is in the cleaning business β€” but many cleaners lose bids because they don't know how to price correctly or present professionally. Here's a step-by-step walkthrough from the initial walk-through to a signed contract.

Before you bid anything: You need proof of insurance and bonding. Commercial clients require a certificate of insurance before they'll even consider your proposal. Get insured first, then bid.
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Step 1: Do a thorough walk-through

Never bid without seeing the space. During the walk-through:

Step 2: Calculate your production rate

How long will the job take your team? Industry benchmarks:

TaskAvg. production rate
General office cleaning2,500–3,500 sq ft/hour
Restroom cleaning15–20 min per restroom
Vacuuming carpet3,000–4,000 sq ft/hour
Mopping hard floors1,500–2,000 sq ft/hour

Step 3: Calculate your bid price

The formula:

Bid price = (Labor hours Γ— hourly rate) + Supplies + Overhead + Profit margin

Example: 10,000 sq ft office, 3x weekly:
β€’ Labor: 3.5 hours Γ— $35/hr = $122.50/visit
β€’ Supplies: $12/visit
β€’ Overhead (insurance, equipment, travel): $18/visit
β€’ Subtotal: $152.50/visit
β€’ Profit (35% margin): $53/visit
β€’ Bid price: $205/visit Γ— 12 visits/month = ~$2,460/month
Target a 35–45% gross margin on commercial cleaning. If your margin is below 30%, you're underpriced for the time and risk involved.

Step 4: Submit a professional written proposal

Your proposal should include:

Step 5: Follow up

Most commercial cleaning contracts are won on the second or third contact. Submit the proposal and follow up by phone 2–3 days later. If they've chosen someone else, ask why β€” it's valuable market feedback that sharpens your next bid.

Bottom line: Walk the space, calculate from your actual costs (not guesses), target a 35–45% gross margin, and submit a professional proposal with your COI attached. The contractors who win commercial bids are the ones who look and act the most professional β€” not always the ones with the lowest price.

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Disclaimer: This guide is for informational purposes only and is not legal, tax, or insurance advice. Always verify specifics with a licensed professional in your state.