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LeadChange Group

Payroll Services

Best Payroll Services for Mid-Sized Companies

Mid-sized employers that outsource payroll still own the result: the employer stays responsible for its employment taxes even when a provider files and pays them. With staff in several states and an approval chain before each run, cutoffs, integrations and correction terms decide how smooth each payday is.

products that fit
9
By LeadChange Research TeamUpdated Based on 9 sources, facts checked

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Top 6 by LeadChange Scoreof 9 that fit · 3 not scored yet · scored for mid-sized companies (reweighted)

  1. QuickBooks Payroll7.7 out of 10, High confidence
  2. OnPay7.0 out of 10, Medium confidence
  3. Paychex Flex5.7 out of 10, Medium confidence
  4. Paycor4.7 out of 10, Medium confidence
  5. TriNet4.3 out of 10, Medium confidence
  6. Netchex3.7 out of 10, Medium confidence
  7. Vensure Employer SolutionsNot scored yet
  8. ADP TotalSourceNot scored yet
  9. Insperity (PEO)Not scored yet

See the full rankingHighMedium confidence

Payroll services for mid-sized companies, ranked

Ranked by LeadChange Score from verified facts; products with too few verified facts are not scored yet and come last. Prices are list prices as published by each vendor.

Filter by verified facts

  1. QuickBooks Payroll

    QuickBooks Payroll suits small and midsize businesses that keep their books in QuickBooks Online and want payroll and tax filing in the same place.

    Pricing model
    Base fee + per employee1
    SOC 2 Type II
    Yes2
    QuickBooks Payroll plans and prices

  2. OnPay

    OnPay suits US small businesses that want full-service payroll at one published price: $49 a month plus $6 per worker, with federal, state and local tax filings, W-2s, 1099s, multi-state payroll and unlimited pay runs included. Setup and data migration are free, and support is by phone, chat and email.

    Pricing model
    Base fee + per employee3
    SOC 2 Type II
    Yes4
    OnPay pricing

  3. Paychex Flex

    Paychex Flex suits US small and mid-sized employers that want unlimited payroll runs, automated multi-state tax filing and room to add HR, time tracking and benefits from one vendor. Paychex was founded in 1971 and is a public company.

    Pricing model
    Base fee + per employee5
    What Paychex Flex costs

  4. Paycor

    Paycor suits US employers from small businesses to companies with 1,000+ employees that want payroll, HR, time, recruiting and talent tools on one platform with open APIs. Plans run from Basic payroll to Complete + ASO, all priced by quote. It holds SOC 1 and SOC 2 Type 2 attestations and supports single sign-on.

    Pricing model
    Quote only6
    SOC 2 Type II
    Yes7
    What Paycor costs

  5. TriNet

    TriNet suits small and mid-size businesses that want a PEO with payroll, payroll tax filing, benefits, workers' compensation administration and HR experts in one flat per-employee fee, or the lighter HR Plus (ASO) service without co-employment.

    Pricing model
    Per employee8
    SOC 2 Type II
    Yes9
    TriNet plans and prices
Show all 9 products
  1. Netchex3.7/10 · Medium confidenceWhat Netchex costs
  2. Vensure Employer SolutionsNot scored yet (12 of 24 facts verified)Vensure Employer Solutions plans and prices
  3. ADP TotalSourceNot scored yet (10 of 24 facts verified)ADP TotalSource pricing
  4. Insperity (PEO)Not scored yet (9 of 24 facts verified)Insperity pricing

LeadChange Score: editorial assessment based on public information.

All payroll services, ranked

How the score works

What matters for mid-sized companies

  1. Multi-state registration support

    Each new state needs withholding and unemployment accounts before the first run. Ask whether the provider opens them for you or only files once you have them.

  2. New hire reporting

    Employers report new hires to a State Directory of New Hires, and employers in several states may pick one state for all reports. A provider that files these removes a recurring task.

  3. Time and accounting integrations

    Hours and journal entries are high volume and error prone when keyed by hand. Look for a documented sync with your time system and general ledger.

  4. Cutoff and approval fit

    Your internal approvals must finish before the provider's submission deadline. Compare cutoff times with how long your managers need to sign off.

  5. Correction and off-cycle fees

    At volume, fees for corrections and off-cycle checks add up. Ask for the full fee list in writing before you sign.

More tools for mid-sized companies

Find your fit

By industry

For ChurchesFor ConstructionBest payroll services for educationFor FranchisesBest payroll services for healthcareFor HospitalityFor Law FirmsFor ManufacturingBest payroll services for nonprofitsFor RestaurantsBest payroll services for retailFor Staffing AgenciesFor Trucking

By company size

For EnterprisesMid-Sized CompaniesFor Small Business

Frequently asked questions

What are the best payroll services for mid-sized companies?

On the LeadChange Score weighted for mid-sized companies, the highest-scoring of the 6 products with a published score are QuickBooks Payroll (7.7/10), OnPay (7.0), and Paychex Flex (5.7).

Which payroll services for mid-sized companies offer a free trial?

OnPay and QuickBooks Payroll list a free trial, according to their vendors: 2 of the 9 products for mid-sized companies.

Which payroll services for mid-sized companies have SOC 2 Type II?

OnPay, Paycor, QuickBooks Payroll, and TriNet state SOC 2 Type II compliance; QuickBooks Payroll also holds ISO 27001. That is 4 of the 9 products for mid-sized companies.

Which payroll services for mid-sized companies include workers’ compensation?

ADP TotalSource, Insperity (PEO), and TriNet include workers’ compensation coverage in their service; Paychex Flex and QuickBooks Payroll do not include it. That is 3 of the 9 payroll services for mid-sized companies.

Which payroll services for mid-sized companies integrate with QuickBooks Online?

QuickBooks Online, listed by 3 of the 9 payroll services for mid-sized companies: Netchex, OnPay, and TriNet.

Which payroll services for mid-sized companies have a mobile app?

ADP TotalSource, Insperity (PEO), Netchex, Paychex Flex, Paycor, and 3 more confirm a mobile app; 1 of the 9 products for mid-sized companies does not document one.

Which payroll services for mid-sized companies support single sign-on?

Paycor and TriNet document single sign-on; 7 of the 9 products for mid-sized companies do not.

How we research

This ranking of payroll services for mid-sized companies reweights the LeadChange Score: capability coverage 25%, pricing transparency & value 30%, integrations & API 10%, security & compliance 10%, fit & support 15%, and data confidence 10%. Only products with a verified fact showing they serve this segment are listed.

How this page was made

  • What it is built from

    31 verified facts, each checked against the vendor's own pages or another primary source, most recently on Oct 22, 2026.

  • Method

    Scored and compared with the LeadChange methodology, version 1.3. Read the methodology

  • Independent review

    Our independent review of Oct 28, 2026 asked for changes. How we review

  • Hands-on testing

    We have not tested these products hands-on: this page uses public information only.

  • Who made it

    The LeadChange Research Team, following a written research process. No named expert has reviewed this page. About us

  • Independence and errors

    Who pays us never changes a score or a rank. If something here is wrong, tell us and we correct it publicly. Request a correction

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Sources

The 9 pages this page's facts come from, with the day we last checked each one. The numbers beside the figures above link here.

Quotes from the sources
  1. Intuit quickbooks.intuit.com/payroll/pricing/bundle“WORKFORCE PAYROLL Pay your team and get payroll taxes done for you. $50 + $7/employee”
  2. Intuit assurance.intuit.com“Our most recent SOC 2 report is for the period of September 1, 2024, to April 30, 2025. Our Next SOC 2 will be released end of October and will cover the period of May 1, 2025 to July 31, 2026.”
  3. OnPay onpay.com/payroll/software/costs-pricing“Get started at just $49 base + $6/worker per month. No hidden fees, ever.”
  4. OnPay onpay.com/security“Third-party Certification: OnPay holds third-party auditor certification with the AICPA’s SOC program and is SOC 2 Type II compliant.”
  5. Paychex paychex.com/payroll/paychex-flex-essentials“Our most affordable option: Only $39/mo. + $5 per employee”
  6. Paycor paycor.com/plans-pricing“Answer a few questions to get a custom price quote if you're a small business or view our mid-market product plans.”
  7. Paycor paycor.com/compliance-solutions/security“Paycor is accredited by and compliant with GDPR, FinCEN, US Privacy Shield, SOC 1 Type 2, and SOC 2 Type 2 security standards.”
  8. TriNet trinet.com/peo/pricing“PEPM stands for "Per Employee Per Month" and is the pricing method TriNet uses to determine your administrative cost.”
  9. TriNet assets.contentstack.io/v3/assets/blt9ccc5b591c9e2640/blt2147f424591a508f/657239817631d147b77ffb80/TriNet_Security_and_Privacy_White_Paper_2023.pdf“TriNet has both a SOC 1 Type 2 report and a SOC 2 Type 2 report for the TriNet platform.”

What the LeadChange Score means

A 0–10 editorial assessment built only from verified facts, across six weighted dimensions: capabilities, pricing, integrations, security, fit and support, and data confidence.

Payments, commissions and lead fees are never inputs.