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BuyingExpert answer · 1 min read

How do I find out how septic installation work compares with pumping in the business?

Ask the seller to split revenue, costs and crew time between installation and pumping, using job records rather than estimates. Pumping tends to be steady and routine, installation lumpier and more equipment-heavy, so the mix tells you what kind of business you would own.

Start with the split. Request a breakdown by job type from the invoices, then see how much each side contributes after its own costs. Ask whether the same crews and trucks serve both sides or whether each has its own. If shared, ask how the owner assigns hours, because a busy install season can pull people away from pumping routes.

Look at the shape of each side across the calendar. Installation work depends on builders, weather and approvals, so it may arrive in bursts. Pumping repeats on a schedule. Ask how the owner would cope if one side slowed down for a stretch, and whether the equipment for either side sits idle.

Finally, ask what skills the buyer needs. Installation can call for certified people and a different kind of estimating. Ask who holds the knowledge now and whether they are staying. A broker or your accountant can help you read the numbers, and your lender may care which side you are leaning on. If you are using a broker, ask them to bring a few comparable septic businesses so you can see how others balance the two sides. Do not rely only on the seller’s description of the mix.

Key takeaways

  • Split revenue and cost by job type from invoices, not from the owner’s recollection.
  • Find out whether crews and trucks are shared between the two sides.
  • Ask who holds the installation know-how and whether they stay.

Sources

This answer is checked against primary sources. Links were last confirmed on the dates shown.

  1. 01
    Business Development Bank of CanadaGovernment
    How to conduct due diligence when buying a business
    bdc.ca·Checked Oct 21, 2026
  2. 02
    Business Development Bank of CanadaGovernment
    After buying a business, what is the next step?
    bdc.ca·Checked Oct 21, 2026
  3. 03
    Business Development Bank of CanadaGovernment
    What are the steps to buying a business?
    bdc.ca·Checked Oct 21, 2026

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