Security Technology & Hardware Businesses for Sale.

Once cameras, access panels, and intercoms are wired into a building, customers almost never replace them — combine that with monitoring contracts that renew year after year and you have recurring income that's literally built into the walls.

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Due diligence

What to Look For

Practical guidance from hundreds of real acquisition conversations.

Recurring Monitoring Revenue

Ask for a breakdown of revenue between project work and recurring contracts, and look at what the renewal rate looks like year over year.
Monthly monitoring and service agreements are the most valuable part of most security businesses because they keep generating income long after the installation job is done.
A business where monitoring revenue covers operating costs even during a slow installation period is in a strong position.

Crew Depth and Certifications

Ask for a list of technicians, their certifications, how long they've been with the company, and what a realistic retention plan looks like post-sale.
Licensed, certified technicians are genuinely hard to find and train — a security company where two or three lead technicians have multi-year tenure and the right certifications is a much more stable acquisition than one where the owner is the only qualified installer.
Find out whether any key certifications are held personally by the owner or tied to the company entity.

Customer Mix Across Verticals

Ask for a revenue breakdown by customer type and look at whether any single account or industry represents more than 20 to 25 percent of total income.
Security companies that serve commercial buildings, schools, apartment complexes, and government facilities are more resilient than those concentrated in a single vertical.
When one sector slows down, others carry the business.

Installed Equipment Base

Ask for a count of active monitored accounts and how long those accounts have been in place.
The physical equipment already installed in customers' buildings is one of the most durable sources of customer retention in this industry — replacing it would be expensive and disruptive, so customers tend to stay for service and monitoring even when budgets are tight.

Licenses and Contract Transferability

Ask whether licenses are held by the company or by the owner personally, and what the process looks like for each.
Security businesses often hold state contractor licenses, alarm dealer registrations, and government or school district contracts that took years to obtain.
Confirming these transfer cleanly before you get deep into diligence avoids major surprises at closing.

Valuation

What Should You Expect to Pay?

3x-5x

SDE

Owner-operated with mixed installation and monitoring revenue

5x-8x

EBITDA

With management team and high share of recurring monitoring contracts

Businesses with a large base of monitored accounts, certified crews with low turnover, and revenue spread across multiple customer types consistently command higher multiples than installation-only shops.

What drives a premium

Monthly monitoring or service agreements representing 40%+ of total revenue

Lead technicians with 5+ years of tenure and current state certifications

Installed equipment base across 200+ active monitored accounts

Revenue distributed across commercial, residential, government, and education verticals

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Thinking About Selling?Read our owner's guide to selling a security technology & hardware business, with valuation tips, buyer expectations, and step-by-step advice.

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Security Technology & Hardware Business Acquisition

The most important thing is understanding how much revenue comes from recurring monitoring and service contracts versus one-time installation jobs. A business with a large base of monthly monitoring accounts has income that keeps coming in even when new installations slow down. Look at renewal rates, technician certifications and tenure, and whether the business has government or school contracts that add stability. Browse security technology businesses for sale on Rejigg to see what's available.

Most security technology businesses sell for 3 to 8 times annual profit. Installation-heavy businesses with little recurring revenue tend to land in the lower part of that range, while companies with large monitoring contract bases and strong crews command higher prices. If you're financing part of the purchase, the SBA loan calculator can help you model what payments would look like at different deal sizes.

Ask for a revenue breakdown separating installation projects, monitoring contracts, and service agreements. Get a list of active monitored accounts with their tenure and monthly contract value. Review the technician roster with certifications and start dates. Request all state licenses and permits and confirm which ones are held by the company versus the owner personally. Look at renewal rates for service agreements over the past two to three years.

Ask whether monitoring contracts have change-of-ownership clauses and how government or school contracts handle ownership transfers. Find out which state licenses are held personally by the owner versus by the company entity, and what the transfer process looks like. Ask about attrition in the technician crew over the past three years and what the plan is for retaining key installers post-sale. If the business uses third-party monitoring centers, confirm those agreements are assignable.

Rejigg specializes in connecting buyers with vetted small and mid-sized businesses including security and technology services companies. Browse security technology businesses for sale on Rejigg and connect directly with owners.

Monitoring contracts are typically valued separately from the rest of the business because they're predictable, low-cost-to-service, and hard to replace once installed. Buyers often think about the monitoring book in terms of multiples on monthly recurring revenue, and that number gets added to a standard profit multiple for the installation and service side. A seller with a large, clean book of monitored accounts can expect to see that reflected meaningfully in the final price.

The most important ones depend on your state and the types of work the business does, but alarm contractor licenses, fire suppression certifications, and low-voltage electrical licenses are common requirements. Government and school contracts often require their own vendor certifications. The key thing to verify during diligence is whether each license is held by the company entity or personally by the owner, because personally held licenses don't automatically transfer in a sale.

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