A homeowner calls for a quote on a single automated swing gate. You price the operator, the steel, two days of crew time, and a healthy markup — and then, halfway through the job, the safety-device list doubles your materials budget. Two monitored photo eyes, a contact edge, loop detectors, warning signage, and a control board that actually supervises all of it. None of that existed on residential quotes twenty years ago. Today, skipping any of it can fail an inspection, void your liability coverage, and leave you holding the bag if someone gets hurt.
If you install driveway gate automation for a living, your books have to reflect the business you actually run: part fabricator, part low-voltage electrician, part recurring-revenue service company. This guide walks through how to set up your chart of accounts, cost your jobs honestly, handle the compliance line items that surprise new installers, and turn one-time installs into service-contract income that pays the bills in the slow months.
Know Your Revenue Streams Before You Touch the Books
Most gate automation companies earn money in four distinct ways, and each one has a different margin profile. Mixing them together in a single "sales" account is the most common bookkeeping mistake in this trade.
New installations
A full residential install — gate leaf or leaves, posts, operator, safety devices, access control, trenching, and concrete — is the headline job. Installed prices for a single automated swing gate typically run $3,500 to $8,500 depending on span, materials, and power access, while dual swing gates and commercial slide gates with access control can reach $8,000 to $20,000 or more. These are your highest-revenue jobs and your lowest-margin ones: equipment and subcontracted work (masonry, electrical, welding) eat most of the ticket.
Track installs as project revenue with job costing underneath. Every install gets a job number, and every dollar of operator cost, steel, concrete, access hardware, permits, subcontractor invoices, and crew labor posts against that job.
Operator-only retrofits and upgrades
A huge share of residential work is automating a gate the customer already owns, or replacing a pre-2018 operator that lacks modern entrapment protection. These jobs are smaller — often a day of labor plus the operator kit — but the margins are better because there is no fabrication, no concrete, and usually no trenching.
Keep retrofits in a separate revenue account from full installs. When you compare the two at year end, retrofits almost always win on margin per labor hour, which tells you where to aim your marketing.
Service, repair, and emergency calls
Control boards fail. Photo eyes get knocked out of alignment. Lightning takes out an entire control box. Service work is high-margin — mostly diagnostic labor plus marked-up parts — and it is the work that arrives whether or not anyone is building new homes this quarter.
Bill service at a diagnostic fee plus time and materials, and track your first-time-fix rate informally: every callback you run for free is unbilled labor that should still hit the job cost so your margins stay honest.
Preventive maintenance contracts
The fourth stream is the one that changes the shape of your year: annual or semiannual maintenance agreements covering safety-device testing, lubrication, battery and solar checks, access-control updates, and priority response. Security and automation contractors have learned that recurring maintenance revenue is what makes a service business sellable — a buyer pays for contracts, not for a truck and a phone number. Even a modest base of fifty maintenance agreements at a few hundred dollars each turns January from a panic into a schedule.
Book maintenance contracts as deferred revenue when the customer pays upfront, then recognize the revenue month by month as you perform the visits. If you recognize the full year of cash as income in January, your books will lie to you twice: once in January, when you look rich, and once in July, when the work is free.
Cost Your Jobs Like the Safety Standard Requires
Since August 2018, the UL 325 standard has required gate operators to provide a minimum of two monitored entrapment-protection means — for slide gates, that means sensors covering both the opening and closing directions. The operator's built-in reversing system counts as one; the second (and often third) comes from monitored external devices: photoelectric eyes, contact sensing edges, or constant-pressure controls. "Monitored" is the expensive word: the control board must continuously supervise the sensor circuit, so a cut wire or failed eye stops the gate instead of silently leaving it unprotected.
For your estimating, that means every automated gate carries a safety-device package that is not optional and not negotiable:
- Photo eyes (non-contact sensors): typically two per system, one per direction on slide gates. Budget the hardware plus alignment and testing time.
- Contact edges: pressure-sensitive strips on leading edges, common on slide gates and commercial swing applications.
- Loop detectors and vehicle sensors: keep the gate from closing on a car in the threshold; include saw-cutting or conduit time.
- Warning signage and pedestrian separation: required signage on both sides of the gate, plus the cost of routing foot traffic away from the vehicular gate where needed.
- A UL 325-listed operator and control board: verify the listing mark, and confirm the gate structure itself meets the construction standard for automated vehicular gates.
New installers consistently underbid this package by treating safety devices as accessories. They are not accessories; they are the job. Build a standard safety-device line item into every quote template, and post actual safety-device costs to their own cost-of-goods account — not buried in "materials." When the standard tightens again, as it did in 2018, you will be able to reprice from data instead of guessing.
Two more cost traps deserve their own accounts:
- Trenching, boring, and power runs. Getting low-voltage wire and power to a gate 200 feet from the house can cost more than the operator. Break out trenching as its own job-cost line so you learn your true per-foot cost.
- Access control hardware. Telephone entry systems, keypads, card readers, and smart-home integrations each carry hardware cost, programming time, and — importantly — ongoing subscription or cellular fees you should pass through with markup rather than absorb.
Set Up a Chart of Accounts That Matches the Trade
A generic contractor chart of accounts will get you through tax season, but it will not tell you which work makes money. At minimum, split revenue and direct costs the way the business actually behaves:
Revenue
- Installation revenue — full systems
- Retrofit and operator-upgrade revenue
- Service and repair revenue
- Maintenance contract revenue (recognized monthly)
- Parts counter sales, if you sell direct
Cost of goods sold
- Operators and control boards
- Safety devices (photo eyes, edges, loops, signage)
- Gate materials (steel, aluminum, lumber, hardware)
- Access control equipment
- Subcontractors (masonry, welding, electrical, concrete)
- Direct crew labor and burden
- Permits and inspection fees
- Equipment rental (trenchers, lifts, concrete tools)
Operating expenses worth breaking out
- Vehicle costs by truck, so you know what each rig really costs per month
- General liability and workers' comp — gate work involves entrapment risk, and your premiums reflect it
- License bonds and contractor license renewals
- Software: estimating, dispatch, and the access-control management platforms you support
- Warranty reserve: accrue a small percentage of install revenue for the callbacks you know are coming
On the balance sheet, watch three accounts monthly: accounts receivable aging (commercial property managers pay slowly — set 30-day terms and enforce them), deposits liability (customer deposits for scheduled installs are not revenue until the work is done), and deferred maintenance-contract revenue.
Price for 50 Percent Gross, Protect 15 to 20 Percent Net
Door and gate contractors commonly land near 60 percent cost of goods and 25 percent overhead, leaving roughly 15 percent profit — and the operators who plan deliberately target 20 percent net or better. The math only works if your markup policy is explicit:
- Equipment markup: 30 to 50 percent on operators, boards, and access hardware is standard. You warrant it, you stock spares, you answer the phone when it fails — the markup pays for all of that.
- Labor rate: build your billable rate from fully loaded cost (wages, payroll taxes, workers' comp, truck, tools, supervision) plus margin. A tech who costs you $45 per hour all-in needs to bill at $110 to $150 per hour for the company to earn its keep.
- Service minimums: a diagnostic fee that covers the truck roll even if the fix takes ten minutes. Knocking a photo eye back into alignment is a $150 visit, not a favor.
- Maintenance contracts: price the annual agreement to cover two visits plus a share of expected parts, then discount it slightly against à la carte pricing so the customer feels smart for signing.
Review your effective margin per job type quarterly. If full installs run at 30 percent gross while service runs at 65 percent, that is not a problem to fix — it is a strategy to exploit. Market the high-margin work; use installs to feed the service base.
Handle Licensing, Permits, and Insurance Costs Deliberately
Gate automation sits at the intersection of several regulated trades, and the requirements vary sharply by state and locality. California, for example, requires installers to hold a D-28 contractor license covering doors, gates, and activating devices, including access control and low-voltage hardware. Other jurisdictions route the work through limited-energy or low-voltage electrical licenses, general contractor licenses, or specialty permits — and many require separate electrical permits for the power run even when the gate work itself needs none.
From a bookkeeping standpoint, treat every compliance cost as a trackable investment, not mystery overhead:
- Capitalize nothing here — licenses, bonds, permits, and inspections are period expenses — but code them by jurisdiction so you know what each territory costs you to operate in.
- Carry general liability limits that reflect entrapment exposure, and confirm with your agent in writing that automated gates are within your policy's scope. An exclusion you discover after a claim is not a savings.
- Keep certificates of insurance current for every commercial customer that requires them, and calendar your workers' comp audit: misclassified installer payroll is one of the most common audit adjustments in specialty trades.
If you cross into access control with camera or alarm integration, check whether that work triggers a separate alarm or security license in your state before you quote it. Finding out from an inspector is the expensive way to learn.
Manage Cash Flow Across the Seasonal Cycle
Gate installation is weather-sensitive and construction-sensitive. Spring and summer carry the year; winter and construction slowdowns test it. Three practices keep cash stable:
- Take deposits and milestone payments. A 40 to 50 percent deposit at contract signing covers your equipment order; a progress draw at gate-set covers labor; the balance at final commissioning. Never let a customer owe you the whole job while you have paid for all of it.
- Finance equipment on the customer's timeline, not yours. Order operators and access hardware against signed contracts with deposits in hand. A shelf full of $2,000 operators bought on speculation is cash earning nothing.
- Sell maintenance agreements at every commissioning. The moment the gate cycles perfectly in front of the customer is the moment to offer the annual plan. Each agreement is cash now and scheduled work later — the closest thing this trade has to a subscription.
Keep a rolling thirteen-week cash forecast in the slow season: list every scheduled install deposit, every maintenance visit, and every payroll date. The forecast will tell you in October whether January needs a promotion on operator upgrades or safety retrofits for older gates — both excellent winter work, since they are small, fast, and mostly indoors-of-the-truck diagnostic labor.
The KPIs Worth Tracking Monthly
You do not need a dashboard with forty metrics. Six numbers run a gate automation company:
- Gross margin by job type (installs, retrofits, service, maintenance) — repricing signal
- Maintenance-contract count and renewal rate — your recurring-revenue base
- Average ticket by job type — are you selling the safety package and access upgrades, or racing to the bottom?
- Callback rate within 90 days — quality signal and warranty-cost predictor
- Days sales outstanding — commercial accounts drifting past 45 days need a phone call, not another invoice
- Revenue per tech per month — capacity signal for your next hire
Review them in one sitting each month, before you review the bank balance. The bank balance tells you where you have been; these six tell you where you are going.
Keep Your Install Business Financially Gated for Growth
Every automated gate you commission is a small machine that needs testing, batteries, alignment checks, and eventually a new control board — which means every install is also the beginning of a service relationship. The installers who thrive keep books that show them exactly what each job costs, price the safety package without apology, and convert finished installs into maintenance contracts that pay through the slow season. Clean job costing is what makes all three possible.
Beancount.io gives you plain-text accounting with complete transparency over every job, contract, and cost account — version-controlled, auditable, and ready for automation. Get started for free and run your gate business on books as reliable as your best install.
