Mainspring Payroll
Modern, Customizable, White‑Glove Payroll & HR
Stop wrestling with one‑size‑fits‑all software. Get payroll that bends to your workflow, backed by real US-based humans who answer the phone.
Powered by a proven engine. Our platform is trusted by 60,000+ businesses, so you get enterprise‑grade reliability without the enterprise price.
Why Mainspring Sets a New Standard
Why Mainspring Sets a New Standard
Your Pain
Manual edits, duplicate entries, error‑prone uploads
Tax headaches & compliance risk
“Ticket‑only” support from the big brands
Rigid plans that don’t match your mix of hourly, salaried, or multi‑state teams
Mainspring Fix
Custom GL & one‑click runs—map every cost center, job, or class once and run payroll in seconds.
Full‑service federal, state & local tax deposits and filings—handled automatically, on time, every time.
US‑based specialists on live phone support 7 a.m.–7 p.m. CT, Mon–Fri; no chatbots, no tiers
Truly customizable payroll rules, garnishments, benefits, and reporting built around your business, not ours.
Everything You Need in One Secure Platform
Everything You Need in One Secure Platform
1. Simplify Payroll
Single‑click processing or use our flexible entry grid
Built‑in job‑costing, certified payroll, and custom GL exports
Automatic, accurate deductions, including electronic garnishments








2. Stay Compliant with Automated Tax Management
Liabilities deposited automatically
Quarterly and year‑end returns filed for every jurisdiction
W‑2s/1099s generated for employees and stored in their portal
3. Accelerate Employee Onboarding
New‑hire paperwork completed electronically before day one
Workflows tailored by role or location
Data flows straight into payroll & HR, no re‑keying required








4. Protect Your People & Your Company
Track certifications, licenses, and training in one record
ACA monitoring and built‑in HR resource library
Real‑time compliance dashboards
5. Empower Employees Anywhere
Mobile app & web portal for paystubs, W‑2s, PTO requests, direct‑deposit updates, and more








6. Financial‑Wellness Add‑Ons (Optional)
Pay cards & On‑Demand Pay
Pay‑as‑you‑go Workers’ Comp
Integrated 401(k) plans
Onboarding & Support That Out‑Serves the Giants
Onboarding & Support That Out‑Serves the Giants
White‑Glove Implementation
Guided setup by payroll pros: data migration, GL mapping, and first run validation.
White‑Glove Implementation
Guided setup by payroll pros: data migration, GL mapping, and first run validation.
White‑Glove Implementation
Guided setup by payroll pros: data migration, GL mapping, and first run validation.
Transparent Pricing
PEPM pricing with no set‑up fees; same‑day payroll available as an add‑on.
Transparent Pricing
PEPM pricing with no set‑up fees; same‑day payroll available as an add‑on.
Transparent Pricing
PEPM pricing with no set‑up fees; same‑day payroll available as an add‑on.
Live U.S. Support
Speak to a specialist within minutes, not days.
Live U.S. Support
Speak to a specialist within minutes, not days.
Live U.S. Support
Speak to a specialist within minutes, not days.
No Vendor Lock‑In
Export your data anytime. We earn your business every run.
No Vendor Lock‑In
Export your data anytime. We earn your business every run.
No Vendor Lock‑In
Export your data anytime. We earn your business every run.
Ready to Go Global?
Ready to See Payroll Made Simple?
Book a Demo and we’ll show exactly how Mainspring can save you time, reduce risk, and give employees the modern experience they expect.
Ready to Go Global?
Ready to See Payroll Made Simple?
Book a Demo and we’ll show exactly how Mainspring can save you time, reduce risk, and give employees the modern experience they expect.