Best PEO Software

A practical shortlist starting point for buyers evaluating peo software platforms.

Updated Jun 10, 2026

This page is aligned to live query demand around peo software and peo companies, and is designed to help teams move from broad category intent into a shorter ranked field.

Why trust this shortlist

This ranked page is built to reduce the field before sales narratives take over. It uses the current category dataset, product-level pricing and trial data, review coverage, and the broader category guide so the shortlist is grounded in fit rather than feature theater.

How to use this ranked shortlist

Start here if the category is already clear and the team now needs a more opinionated list of tools to pressure-test. The goal is not to accept a universal ranking. It is to reduce the field to the products that deserve real time from operations, finance, and procurement stakeholders.

Buyers should compare deployment fit, pricing logic, trial availability, and how much operational effort the product is likely to require after rollout. Those are usually stronger separators than the headline feature list.

Best tools at a glance

ToolPricing modelDeploymentStarting priceTrial
RipplingModular pricingCloud~$8 per employee/mo + $35-$40/mo base (estimated)No / not listed
GustoPer-employee pricingCloud$49/mo + $6 per person/moFree trial
OasisCustom quoteCloudContact vendor for exact pricing and packaging details.No / not listed
Infiniti HRCustom quoteCloudContact vendor for exact pricing and packaging details.No / not listed
ScalePEOCustom quoteCloudContact vendor for exact pricing and packaging details.No / not listed

Ranked shortlist

Tools worth deeper evaluation

This list is meant to reduce the field, not pretend every team should buy the same platform. Use the rows below to compare review signal, commercial fit, and the likely operational shape of each tool before you move into demos or procurement.

Rippling is the most ambitious HR platform on the market right now, and that ambition cuts both ways: it is the platform's biggest strength and its most common way of failing a customer.

Starting price: ~$8 per employee/mo + $35-$40/mo base (estimated)

Pricing model: Modular pricing.

Deployment: Cloud.

Supported Platforms: Web, iOS, Android.

Trial status: Trial not listed.

Best for

Rippling is best for technology-forward companies with 50 to 2,000 employees that want to manage HR, IT, and finance operations from a single platform. It fits teams with a technical operations mindset: the kind of company where the head of people operations thinks in systems and workflows rather than forms and approvals.

Why teams shortlist it

Rippling is the only HR platform that treats IT and finance as first-class citizens alongside HR, not bolt-on afterthoughts.

Gusto remains the strongest payroll-first platform for small businesses with 1 to 100 employees that want transparent pricing and do not need deep HR functionality.

Starting price: $49/mo + $6 per person/mo

Pricing model: Per-employee pricing.

Deployment: Cloud.

Supported Platforms: Web, iOS, Android.

Trial status: Free trial available.

Best for

Gusto is best for small business owners, startup founders, and office managers at companies with 1 to 100 employees who need reliable payroll with transparent pricing and do not want to negotiate custom quotes. It fits teams that handle HR part-time alongside other responsibilities and want a platform that works out of the box without dedicated HRIS staff.

Why teams shortlist it

Gusto puts its plan prices on its website and bundles payroll into every tier at no extra charge. BambooHR charges extra for payroll, Paylocity requires a sales call to learn what you will pay, and ADP buries pricing behind a consultation, so Gusto's openness stands out in this market.

3Oasis logo

Oasis

Paychex

Oasis sits between the boutique PEOs and the self-serve ones: more financially secure than a regional independent, less open on pricing than Justworks and with fewer benefits design options than TriNet.

Starting price: Contact vendor for exact pricing and packaging details.

Pricing model: Custom quote.

Deployment: Cloud.

Supported Platforms: Web, iOS, Android.

Trial status: Trial not listed.

Best for

Companies of 10 to 500 employees that want a PEO with Paychex's balance sheet behind it, rather than a regional independent, get the most from Oasis.

Why teams shortlist it

Oasis stands out because it combines PEO flexibility with Paychex's enterprise scale and financial stability.

Infiniti HR serves one niche well: small businesses that want a PEO relationship where they can call someone who knows their account rather than navigating a large provider's support infrastructure.

Starting price: Contact vendor for exact pricing and packaging details.

Pricing model: Custom quote.

Deployment: Cloud.

Supported Platforms: Web.

Trial status: Trial not listed.

Best for

Infiniti HR suits companies with 5 to 200 employees, particularly those in the 10-to-50 range that want a PEO with dedicated personal service rather than a self-service platform approach.

Why teams shortlist it

Infiniti HR stands out because it provides dedicated, personalized HR support to small businesses that larger PEOs may treat as small accounts.

ESAC accreditation is the reason to call ScalePEO, and for a small company handing over payroll and health insurance it matters more than most buyers expect.

Starting price: Contact vendor for exact pricing and packaging details.

Pricing model: Custom quote.

Deployment: Cloud.

Supported Platforms: Web.

Trial status: Trial not listed.

Best for

ScalePEO suits small US employers, from a handful of staff to a few dozen, who would rather work with an audited, bonded PEO than chase the lowest quote or the slickest app.

Why teams shortlist it

ScalePEO stands out for pairing a small-business focus with ESAC accreditation, a combination that is surprisingly rare among PEOs this size.

CoAdvantage serves a specific buyer profile better than the generalist PEOs: companies in service industries where workers' comp and employment risk are top-of-mind concerns rather than afterthoughts.

Starting price: Contact vendor for exact pricing and packaging details.

Pricing model: Custom quote.

Deployment: Cloud.

Supported Platforms: Web.

Trial status: Trial not listed.

Best for

CoAdvantage is best for small and mid-size businesses with 10 to 500 employees in service industries (staffing, healthcare, construction, hospitality, and manufacturing) where workers' compensation, workplace safety, and employment risk management are core operational concerns.

Why teams shortlist it

CoAdvantage stands out because it leads with risk management in a PEO market where most providers lead with benefits and payroll.

Amplify PEO represents a category of PEO that often gets overlooked: the regional provider that trades scale for service.

Starting price: Contact vendor for exact pricing and packaging details.

Pricing model: Custom quote.

Deployment: Cloud.

Supported Platforms: Web.

Trial status: Trial not listed.

Best for

Amplify PEO is best for small businesses with 5 to 100 employees located within the provider's regional operating area that value personalized service and local market knowledge over the scale advantages of national PEOs.

Why teams shortlist it

Amplify PEO stands out by offering the personalized service and local market expertise that small businesses lose when they sign with a large national PEO.

On benefits, Engage PEO delivers better than many mid-size PEOs, and the ESAC accreditation adds a credibility layer that risk-conscious buyers should value.

Starting price: $40-$160 per employee/mo (estimated)

Pricing model: Custom quote.

Deployment: Cloud.

Supported Platforms: Web.

Trial status: Trial not listed.

Best for

Engage PEO is best for small and mid-size businesses with 10 to 300 employees that want access to enterprise-grade benefits packages and the assurance of ESAC-accredited operations.

Why teams shortlist it

Engage PEO stands out by combining ESAC accreditation with a specific emphasis on large-group benefits access that makes enterprise-quality insurance available to growing SMBs.

Justworks solves a very specific problem better than almost anyone else in the market: giving small businesses access to enterprise-quality benefits without the overhead of managing them.

Starting price: $50/mo + $8 per employee/mo

Pricing model: Per-employee pricing.

Deployment: Cloud.

Supported Platforms: Web, iOS, Android.

Trial status: Free trial available.

Best for

Justworks is best for small business founders, COOs, and first-time HR hires at companies with 5 to 100 employees who need enterprise-grade health insurance, dental, vision, and 401(k) benefits without the overhead of managing carrier relationships and compliance in-house.

Why teams shortlist it

Justworks stands out because it makes the PEO model accessible and transparent where competitors make it opaque.

Insperity is the best PEO for SMBs that treat employee benefits and HR support as competitive advantages in recruiting and retention rather than compliance checkboxes.

Starting price: Quote-based; market range ~$60-$200 per employee/mo admin fee (estimated)

Pricing model: Custom quote.

Deployment: Cloud.

Supported Platforms: Web, iOS, Android.

Trial status: Trial not listed.

Best for

Insperity is best for SMBs with 5 to 5,000 employees that want to offer Fortune 500-level benefits to compete for talent, need experienced HR consulting beyond basic compliance, and prefer to outsource the administrative complexity of employment law, workers' comp, and benefits management.

Why teams shortlist it

Insperity stands out because it delivers a benefits and HR consulting experience that most SMBs cannot build internally without spending more money.

For a business somewhere between 50 and 1,000 staff, ADP TotalSource is the safest PEO I can point to: the ADP brand, the biggest US worksite employee pool for benefits negotiation, and an HR platform that keeps working if they later outgrow the PEO model.

Starting price: ~$160-$210 per employee/mo admin fee (estimated)

Pricing model: Custom quote.

Deployment: Cloud.

Supported Platforms: Web, iOS, Android.

Trial status: Trial not listed.

Best for

ADP TotalSource is best for SMBs with 5 to 1,000 employees that want the largest US PEO for benefits negotiation, the security of the ADP brand, and an HR technology platform that supports growth from 50 to 500+ employees.

Why teams shortlist it

No other PEO pairs a 722,000+ worksite employee pool with software from the world's largest payroll company, and that pairing is ADP TotalSource's whole case.

Paychex is the vendor I would pick when payroll, a 401(k) plan, and bundled benefits all need to sit with one company and one support team.

Starting price: $39/mo + $5 per employee (last published; no longer listed)

Pricing model: Tiered pricing.

Deployment: Cloud.

Supported Platforms: Web, iOS, Android.

Trial status: Trial not listed.

Best for

Paychex is best for business owners and HR managers at companies with 10 to 500 employees who want a single vendor for payroll, retirement plans, and benefits administration. It is the right choice when 401(k) administration, workers' compensation, and employer liability management are on the requirements list alongside payroll and HR.

Why teams shortlist it

Payroll software, 401(k) administration, PEO services, and workers' compensation all come from Paychex itself, a combination no other mid-market platform sells under one contract.

Benefits administration is still the reason to consider the software that used to be called Zenefits, but an ageing interface and years of rebranding under TriNet have given competitors an easy opening with small business buyers.

Starting price: Quote-based (no public list price)

Pricing model: Per-employee pricing.

Deployment: Cloud.

Supported Platforms: Web, iOS, Android.

Trial status: Free trial available.

Best for

The best fit is a small business owner or HR generalist at a company of 5 to 200 people who wants benefits administration built into the HR system and is comfortable buying through TriNet's sales team.

Why teams shortlist it

From its founding, Zenefits treated benefits administration as the product itself, and that is still true under TriNet, where most HR suites bolt benefits on through a partner.

Deel is the most comprehensive global employment platform available today: the widest country coverage, the most published pricing, and the broadest feature set for companies that need EOR, contractors, and payroll under one roof.

Starting price: $599 per employee/mo

Pricing model: Per-employee pricing.

Deployment: Cloud.

Supported Platforms: Web, iOS, Android.

Trial status: Free trial available.

Best for

Deel is best for companies hiring internationally, from 10-person startups to 5,000-employee enterprises, that need Employer of Record services, contractor management, or global payroll without setting up local entities in every country.

Why teams shortlist it

The breadth of Deel's global coverage and the transparency of its pricing set it apart. EOR services in 150+ countries is the widest coverage in the market: Remote covers 75+, Oyster covers 180+ but with more partner-dependent arrangements.

PrestigePEO earns a look from small and mid-sized businesses that want a mid-market PEO with a service history rooted in one region rather than a coast-to-coast platform built from day one. It is not the Florida-only specialist some directories still describe.

Starting price: Contact vendor for exact pricing and packaging details.

Pricing model: Custom quote.

Deployment: Cloud.

Supported Platforms: Web.

Trial status: Trial not listed.

Best for

PrestigePEO fits small and mid-sized businesses that want a PEO with a long operating history and offices concentrated in the Tri-State, Carolinas, Virginia/DC, Southeast, Colorado, or California markets, rather than a pure self-service national platform.

Why teams shortlist it

PrestigePEO's edge is a service history built region by region rather than a platform rolled out nationwide overnight.

Adjacent research paths