What Should a 15-Person Window & Door Installation Company Actually Pay for Software?

Window and door replacement is one of the few home-improvement trades where almost every sale is a single big-ticket transaction closed in the homeowner's living room in one visit — quoted on a tablet, financed on the spot, and installed weeks later by a separate crew. That structure drives software cost more than headcount does. The CRM has to double as a financing-integrated proposal tool a rep can run mid-appointment, which is a big part of why it costs several times what a generic small-business CRM would; the point-of-sale financing platform isn't a nice-to-have add-on, it's the thing that turns a $12,000 estimate into a signed contract before the rep leaves the driveway. Generic "how much does small business software cost" roundups don't account for either of those, which is why the number they quote is almost always wrong for a window and door dealer.

Here's what we actually see, tool by tool and pillar by pillar, when we run the numbers for a window & door installation company around 15 employees — a mix of in-home sales reps, installation crews, and a small office team.

Sales & Marketing: $765-955/mo

Improveit 360 ($400/mo) and Leap ($350/mo) are the two CRM/estimate platforms built specifically for this trade, and they compete for the exact same job — a shop only ever needs one running. Improveit 360 is built on Salesforce, which is a real part of why it costs more; Leap is a lighter, mobile-first alternative that skips the Salesforce backbone. Per the current integration data, Improveit 360's own integration list includes Mailchimp; Leap's does not — a Leap shop running email follow-up campaigns should test that sync directly rather than assume it, since Mailchimp's own listing claims a connection to both but Leap doesn't confirm it back. SalesRabbit ($150/mo) only earns its keep if reps are still knocking doors; the common mistake is leaving the license active through a slow season after the canvassing team's been reassigned to installs or let go for the winter. GreenSky ($200/mo) is the one line item in this pillar that isn't really optional — most window and door jobs above a few thousand dollars get financed at the kitchen table, and a rep without an instant financing decision loses deals to a competitor who has one. Mailchimp ($65/mo) is the cheap, easy-to-cut follow-up and referral tool; Semrush ($140/mo) is local-SEO tracking that matters more for shops leaning on inbound search than door-to-door canvassing.

Core Operations: $180-300/mo

Samsara ($180/mo) tracks GPS location and driver behavior for installation crew trucks and material-delivery vehicles — genuinely useful once a shop is coordinating multiple install crews across job sites in a day, and the common overpay is signing up for an enterprise fleet tier built for a 100-truck logistics company instead of a shop running three to five vehicles. Fleetio ($120/mo) layers on maintenance-schedule and asset tracking for those same trucks and trailers; its supported range tops out at 50 employees, so a fast-growing dealer that crosses that threshold will need to reassess the fleet stack before the platform stops fitting, not after.

Finance: $290-389/mo

QuickBooks Online Plus ($90/mo) handles the general ledger and job-costing, but its supported range caps at 25 employees — worth flagging now, because a 15-person shop that adds a second install crew and a couple of office hires can cross that ceiling within a year or two and need to budget for a QuickBooks Advanced upgrade. Gusto Plus ($200/mo) runs payroll for a mixed crew of commissioned sales reps, hourly installers, and salaried office staff — misclassifying commissioned reps as 1099 contractors instead of running them through payroll is a common and expensive mistake in this trade. Stripe processes card and ACH payments embedded directly in invoices for deposits and final payment on a per-transaction basis rather than a flat monthly fee; shops that still take a chunk of deposits by check alongside Stripe are reconciling payments twice for no reason. Bill.com ($99/mo) automates approval and payment for window/door manufacturer and material-supplier bills — skip it and the office manager is writing checks by hand to net-30 suppliers, which is exactly how late fees on a big material order happen.

Admin & Security: $430/mo

Google Workspace Business Standard ($170/mo) covers business email, shared calendars for install scheduling, and Drive storage — its range tops out at 50 employees, another growth-path number worth tracking. 1Password Business ($95/mo) stops office and field staff from texting or reusing logins for GreenSky's financing portal, the CRM, and banking — a real risk given how much of this business runs off a rep's tablet in a stranger's driveway. DocuSign ($80/mo) handles e-signature for installation contracts, manufacturer warranty registrations, and permit paperwork; skipping it means permit submissions sit in a folder waiting to be printed, scanned, and mailed. Huntress Managed EDR ($85/mo) puts human-monitored threat detection on office PCs and, just as important, the tablets reps carry into the field running the CRM and GreenSky's financing app — a materially different risk profile than an office-only endpoint.

What this adds up to

Add it up and a genuinely optimized stack for a 15-person window & door installation company lands around $1,884-2,074/mo — but we regularly see shops paying $5,850-7,150/mo for the same functional coverage. The gap almost never comes from needing more capability; it comes from three repeatable habits.

The fastest way to see where your specific stack lands against these numbers is to run the free audit — it uses your actual headcount and current spend, not a generic estimate.