Customer story · Preferred Home Services

How Preferred saves 20 hours a week on payroll prep

Preferred replaced a three-day spreadsheet marathon with ServiceTitan-connected payroll logic and one controlled approval workflow.

Preferred Home Services fleet
“We invested in Volca because you find the little things that my team and I may not always see.”
Mark Lang

Mark Lang

CFO, Preferred Home Services

01
80 hrsManual payroll work saved every month
02
100%Payroll accuracy with explainable calculations
03
$27KAnnual labor spend recouped

Summary

Preferred Home Services paid employees every other week, but payroll preparation occupied the team every week. Monday was spent editing time in ServiceTitan. Tuesday was for bonuses and commissions. Wednesday was reserved for review. A virtual assistant worked four days a week cleaning timesheets, while Arthur managed layered pay rules across roughly 20 commission sheets.

Preferred invested in Volca to turn payroll from a growing operational risk into a scalable system. The priority was not simply to save time, but to give the business accurate, explainable calculations that employees and leadership could trust as the company grew.

01 · The problem

Payroll accuracy depended on context buried across 20 spreadsheets

The spreadsheets could calculate numbers, but they could not explain the operational context behind them. Whether a technician should be paid could depend on deferred revenue, a missing tag, payment status, or when a job funded.

Across 80 commissioned employees and multiple trades, that created a visibility problem as serious as the time burden. Employees and managers had no shared view of why pay changed, so every question sent the back office back through ServiceTitan records and separate commission sheets to reconstruct the answer.

Overlapping commission spreadsheets representing Preferred's manual payroll workflow
Arthur tracked sales commissions across roughly 20 separate sheets before Volca.

02 · The solution

Fully automated payroll calculations and employee education

Volca began with Preferred's historical payroll and mapped each pay rule to the ServiceTitan records behind it. The teams ran calculations in parallel, compared results one employee at a time, and treated every discrepancy as operating logic to understand rather than noise to hide.

The result was more than an automated total. Each employee received a detailed report showing the jobs, sales, gross profit, commission rate, calculation, and payout behind every line of pay. AI summaries translated the math into plain language and let the back office answer questions without rebuilding the calculation by hand.

That visibility also improved implementation. Deferred revenue, self-generated work, missing tags, and payment-export timing became explicit rules the team could test and trust before go-live.

Volca
July 1–15, 2026

Employee pay report

Technician 02

$482.98

Payroll verified

Pay itemServiceTitan sourceSalesGross profitRateCalculationPayout
System saleJob 48291$4,80062%8%$2,976 × 8%$238.08
Service agreementMembership 9184$299100%10%$299 × 10%$29.90
Self-generated leadTag · Self Gen$3,25058%2% bonus$3,250 × 2%$65.00
Install bonusJob 48307$9,60055%FlatCompleted install$150.00
Volca connects each payout to its ServiceTitan source and explains the calculation line by line.

03 · The result

From 20 hours to 20 minutes

By early July, comfort advisor, HVAC service, and plumbing payroll had been built and validated. The three-day preparation cycle could give way to a controlled approval workflow, with the calculations already connected to the ServiceTitan records behind them.

That returns time, but it also changes the quality of the work. Volca surfaced payment export issues, deferred revenue, and missing job records during validation. Instead of discovering those problems after payout, Preferred can review the exceptions while there is still time to resolve them.

The result is more than efficiency. Arthur spends less time rebuilding payroll data. Managers gain current commission visibility. Technicians can see a clearer breakdown of how their pay was calculated. The back office moves from producing numbers to reviewing the handful that need judgment.

Everything came out perfect as the exact same calculations I have on mine. Flawless.

Arthur

Preferred Home Services

Payroll should be reviewed, not rebuilt

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