Whether your team sits in Seattle, Bellevue, Spokane, or Vancouver, the admin load in Washington State grows faster than headcount. Every new hire brings another round of pay setup, benefit forms, and HR records. With 695,695 small businesses employing 1.5 million people, plenty of owners end up typing PEO Washington into a search bar.
3 things set the state apart. It has no income tax, yet payroll still feeds unemployment insurance, Paid Family and Medical Leave, and WA Cares. Workers’ comp has to run through the state’s own fund. And the minimum wage, $17.13 an hour in 2026, is among the highest in the nation, with city rates above it.
PEO Washington State: Why Small Businesses Use One
Washington State has no personal income tax, so nothing is withheld for the state. The paycheck is still crowded. Employees carry most of 2 premiums. The first is the Paid Family and Medical Leave (PFML) premium, 1.13% of wages in 2026. The second is 0.58% for WA Cares, the long-term care fund. Workers’ comp premiums may also come out of workers’ pay. City wage floors sit above the state rate, and both the minimum wage and the exempt salary threshold reset every January 1. That is why the payroll services Washington owners hire earn their fee: several programs, each with its own rate and rules.
INSIGHT: What comes out of a Washington paycheck in 2026?
There is no state income tax, but state programs still take a share. A paycheck here has its own line items.
- State income tax: none.
- PFML premium: 1.13% of wages, with 71.43% paid by the employee.
- WA Cares premium: 0.58% of wages, with no wage cap.
- Hourly wage floor: $17.13 across the state, $21.30 inside Seattle.
The employer’s side is just as full. Unemployment insurance (UI) tax applies to the first $78,200 of each employee’s 2026 wages, at a rate the Employment Security Department (ESD) assigns. Businesses with 50 or more employees also pay 28.57% of the PFML premium. Tax and wage reports go to ESD every quarter. The Department of Labor and Industries (L&I) wants its own quarterly report, with premiums based on hours worked instead of payroll dollars. Add new-hire reports plus federal FICA and FUTA. A payroll firm or PEO follows this list on a set calendar, so no deadline depends on your memory.
Workers’ comp is where this state departs from most others. Private insurers cannot sell it here: coverage comes from the L&I state fund unless you qualify to self-insure. A PEO therefore cannot swap in its own policy. It can report hours, pay premiums, and help with claims paperwork. Paid sick leave applies to every employer and has to be tracked. Recruiting gets easier once you can offer group medical, dental, vision, and a 401(k). A qualified 401(k) will also exempt you from Washington Saves, the state auto-IRA arriving in 2027. Benefits and paperwork relief are the real case for PEO services in Washington.
INSIGHT: What does a Washington employer have to provide?
From your first hire, you owe L&I workers’ comp coverage and paid sick leave. A retirement option arrives in 2027 for employers without a plan.
- Workers’ comp: L&I state fund, unless certified to self-insure.
- Paid sick leave: at least 1 hour per 40 hours worked.
- Washington Saves: scheduled for July 1, 2027, for qualifying employers without a plan.
- Health coverage under the ACA: required once you reach 50 full-time-equivalent employees.
So which service do you need? A PEO co-employs your staff and wraps payroll, benefits, L&I reporting, and HR into 1 contract, and you still run the workday. A payroll service stops at paychecks and filings. Between them sits HR outsourcing that involves no co-employment. My guide to what a PEO is explains the contract itself. Then do the state check. A PEO in Washington must register with ESD, and so must each client. ESD still holds the client responsible for its own unemployment taxes. The IRS list of Certified PEOs (CPEOs) is the separate federal check.
I reviewed 15 options for Washington State employers: PEOs and payroll firms rooted here, and national PEOs that take clients in the state. For each, you’ll find the services, pricing model, and the kind of company it suits. Anyone choosing a PEO for Washington staff plus teams elsewhere may also want my list of the best PEO companies.
Top 15 PEO Companies in Washington
3 questions will shorten your list before you phone a Washington PEO. Do you want benefits and HR bundled with payroll, payroll and filings alone, or HR help without co-employment? How many people do you employ, given the 50-employee marks for the PFML employer share and the ACA, and the Washington Saves threshold? And do you want a firm based here or a national provider with a bigger benefits program?
I compared the PEO companies in Washington on the same checklist. It covers ESD registration, accurate PFML, WA Cares and UI handling, and L&I hours reporting. City minimum wage tracking and paid sick leave accrual come next. I also weighed health and 401(k) plans, CPEO status or accreditation where claimed, and clear pricing. The list runs alphabetically to stay neutral.
All 15 providers appear in A-to-Z order. The sequence says nothing about quality, preference, or ranking.
ADP TotalSource
Provider Type:
National PEO that accepts Washington clients
Company Description:
ADP TotalSource is how ADP delivers co-employment to companies below enterprise size. Clients get a co-employment partner for payroll, benefits administration, and compliance, plus a named HR business partner. Its entities sit on the IRS CPEO list with a certification date of January 1, 2017.
Key Specialty Area:
Big-platform payroll with a shared-responsibility model
Service Cost:
By quote; the product page shows no price
Top Advantages:
- Shared model spells out what ADP manages and what you keep
- Dedicated HR business partner gives advice and recommendations
- Self-guided online demo before any sales call
Scope of Services:
- Payroll platform with specialist support
- Benefits negotiation, enrollment and administration
- Compliance monitoring and HR guidance
Our Verdict
A dependable option for a Seattle-area firm with staff in several states and room to grow.
BBSI PEO
Provider Type:
PEO headquartered in Vancouver, Washington
Company Description:
BBSI (Barrett Business Services, Inc.) dates from 1951. It is a Washington State PEO in the literal sense, with its head office in Vancouver. The publicly traded company lists branches in Seattle, Spokane, Yakima, Pasco, Fife, and other cities, and serves businesses of every size.
Key Specialty Area:
Branch-based PEO with teams across the state
Service Cost:
By quote from the nearest branch
Top Advantages:
- 9 Washington branch locations listed on its site
- Local teams pair business consultants with payroll specialists
- ESAC accreditation and SOC 1 certification, per the company
Scope of Services:
- Paychecks, tax deposits, and quarterly state reports
- Benefits and HR support from a branch team
- Risk management and workplace safety consulting
Our Verdict
My first call for an Eastern Washington or Puget Sound employer that wants a branch team down the road.
Engage PEO
Provider Type:
Florida-based PEO with clients nationwide
Company Description:
Engage PEO is a Florida-based PEO whose services cover payroll, HR consulting and compliance, employee benefits, and risk management. It works with small and mid-sized businesses and reports clients in all 50 states. The IRS CPEO list carries Engage PEO, LLC.
Key Specialty Area:
Employment-law expertise built into HR support
Service Cost:
By quote, based on team size and services
Top Advantages:
- Licensed employment attorneys serve as HR consultants, per Engage
- Integrated platform with mobile access for managers
- Company cites ESAC accreditation and SOC examinations
Scope of Services:
- Payroll with automated tax compliance
- Benefits that meet ACA requirements
- HR consulting and multi-state compliance guidance
Our Verdict
Useful for a Washington employer that wants legal-level answers on sick leave and exempt status.
FrankCrum
Provider Type:
Family-owned national PEO
Company Description:
The Crum family has owned FrankCrum since 1981, and it is based in Clearwater, Florida. The PEO handles payroll, HR, benefits, and retirement plans for businesses across the US, and says more than 4,700 companies rely on it.
Key Specialty Area:
Long-established, family-owned PEO with HR consultants
Service Cost:
By quote; the site offers a cost savings tool
Top Advantages:
- More than 40 years under the same family ownership
- MyFrankCrum HRIS cuts paperwork at onboarding
- Retirement benefits offered alongside health plans
Scope of Services:
- Payroll processing and employee self-service
- Medical, dental, and vision plans plus retirement savings
- HR consulting on hiring and performance
Our Verdict
A steady choice for a Washington owner who prefers a privately held provider over a publicly traded corporation.
G&A Partners
Provider Type:
Houston PEO active in all 50 states
Company Description:
G&A Partners began as a Houston CPA firm’s side business in 1995. Today it works as a PEO in all 50 states, according to its site. Plans are arranged by company size. One of its entities, G&A Outsourcing VII, LLC, is an IRS-listed CPEO.
Key Specialty Area:
Outsourced HR department priced by company size
Service Cost:
By quote; plans differ by headcount band
Top Advantages:
- Separate plan for businesses with 11 to 99 employees
- HR experts manage benefits and compliance together
- Trusted by more than 6,000 businesses, the company says
Scope of Services:
- Payroll and HR technology
- Benefits strategy and administration
- HR management and compliance support
Our Verdict
Fits a Tacoma or Everett company that has passed 20 employees and needs structure.
HR Alliance, Inc.
Provider Type:
HR, payroll, and benefits provider serving Seattle
Company Description:
HR Alliance, Inc. has operated since 1998 and serves employers in Seattle, Portland, and Phoenix. It calls itself more than a PEO. Its tax-savings reviews work as payroll consulting services that Washington owners can use to review pay structures, classifications, and benefit programs.
Key Specialty Area:
Payroll, benefits and tax-efficiency reviews
Service Cost:
Fees are not posted; request terms directly
Top Advantages:
- Reviews payroll structures for compliant tax savings
- Group medical, dental, and vision at a national rate
- Retirement plan and flexible spending account administration
Scope of Services:
- Full-service payroll and HR management
- Administration of insurance benefits and retirement plans
- Tax-focused review of payroll and benefits
Our Verdict
Best for a Seattle owner who wants payroll, benefits, and tax planning looked at together.
INFOX Consulting
Provider Type:
Recruiting and HR advisory firm founded in Vancouver
Company Description:
INFOX Consulting was founded in Vancouver in 2014 and works mainly as a recruiting and talent advisory firm. Its menu covers permanent and contract staffing, corporate advisory, and fractional HR. The site describes neither payroll processing nor co-employment, so treat it as HR help beside your payroll provider.
Key Specialty Area:
Hiring support and part-time HR leadership
Service Cost:
Not published; advisory packages sold by the year
Top Advantages:
- Recruiters focused on manufacturing, high-tech, and logistics roles
- Fractional HR for firms without an HR manager
- Leadership coaching through annual advisory packages
Scope of Services:
- Permanent and contract staffing
- Fractional HR support for smaller employers
- Corporate advisory and leadership development
Our Verdict
Suits a growing Washington manufacturer that needs recruiting and HR direction more than payroll processing.
Insperity
Provider Type:
National PEO with a sales office in Bellevue
Company Description:
Insperity is a Texas-headquartered PEO serving small and mid-sized businesses, with a Seattle-area sales office in Bellevue. The co-employment service joins payroll, benefits, and HR support with its own HR technology. Insperity PEO Services, L.P. shows an IRS CPEO certification date at the start of 2017.
Key Specialty Area:
Full-service PEO with an Eastside sales office
Service Cost:
Priced individually once you meet a consultant
Top Advantages:
- Local sales office in Bellevue for Eastside meetings
- Its own HR software comes with the contract
- IRS-certified entities for federal employment taxes
Scope of Services:
- Payroll and employment tax administration
- Access to group medical and retirement plans
- HR guidance, training and compliance support
Our Verdict
The provider I would call first from Kirkland or Redmond, given its Bellevue office and national plans.
Nextep
Provider Type:
Oklahoma-based PEO with clients in many states
Company Description:
Nextep started in Norman, Oklahoma, in 1997 and serves small and medium-sized businesses nationwide through co-employment. Its Elevate platform supports HR, payroll, benefits, and risk and compliance. Nextep, Inc. is an IRS-listed CPEO.
Key Specialty Area:
App-driven PEO with flat-fee billing
Service Cost:
Itemized flat fee, the company says; figure quoted per client
Top Advantages:
- Billing is flat and itemized, not a payroll percentage
- Employees see coverage and ID cards in the app
- Dedicated Client Success Manager instead of a ticket queue
Scope of Services:
- Payroll with automated tax filings
- Health benefits access for small teams
- HR, risk, and compliance guidance
Our Verdict
A fit for a Spokane or Vancouver owner who wants simple billing and mobile approvals.
Pay Plus Benefits
Provider Type:
PEO serving Washington employers
Company Description:
Pay Plus Benefits describes itself as one of the first PEOs on the web and a complete HR management service. Its menu includes payroll, HR administration, benefits, a 401(k), and multi-state employee support. The firm also built RiskRT, its own ACA recordkeeping system.
Key Specialty Area:
PEO with in-house ACA tracking software
Service Cost:
Not published; contact the company for terms
Top Advantages:
- RiskRT tracks ACA compliance month by month
- Supports employers with staff in several states
- 401(k) available alongside health benefits
Scope of Services:
- Payroll and HR administration
- Benefits and 401(k) administration
- ACA recordkeeping and reporting
Our Verdict
Worth a look for a Washington employer nearing 50 staff that worries about ACA reporting.
PrestigePEO
Provider Type:
New York PEO with a national client base
Company Description:
PrestigePEO is a Melville, New York PEO that has served small and mid-sized businesses since 1998. Payroll, benefits, retirement plans, HR, and compliance come under 1 co-employment agreement. Its Prestige Employee Administrators entities are on the IRS CPEO list.
Key Specialty Area:
Benefits and retirement plans for growing firms
Service Cost:
By quote, depending on plans chosen
Top Advantages:
- Retirement plans packaged with health coverage
- Compliance and risk team for multi-state questions
- Company states it holds ESAC accreditation
Scope of Services:
- Payroll administration and tax filing
- Benefits and retirement plan management
- HR and compliance guidance
Our Verdict
A reasonable option for a Bellevue professional firm competing for staff on benefits.
Questco
Provider Type:
Texas PEO working across the US
Company Description:
Questco has run HR outsourcing since 1989 from The Woodlands, Texas, and says it works across the US. Small and mid-sized clients get payroll, benefits, HR operations, and compliance under a written service plan. QUESTCO HR LLC holds IRS CPEO certification.
Key Specialty Area:
PEO built around a written service plan
Service Cost:
Quote only; try the online HR cost calculator first
Top Advantages:
- Service plan drafted with each client at the start
- HR professionals assigned as an extension of your team
- Multi-state compliance resources for expanding employers
Scope of Services:
- Payroll with access from the first day
- Employee benefits and medical plans
- HR compliance and HR technology
Our Verdict
Sensible for a Tri-Cities employer that wants a defined service plan and a steady HR contact.
ScalePEO
Provider Type:
PEO with offices in Bellevue and Yakima
Company Description:
ScalePEO is a PEO with offices on 108th Avenue NE in Bellevue and on Castlevale Road in Yakima. It pools clients for health insurance and handles payroll, benefits, HR, and compliance. The company states it is ESAC-accredited.
Key Specialty Area:
Pooled health plans for small local teams
Service Cost:
Not published; demo first, then a quote
Top Advantages:
- Offices on both sides of the Cascades
- Health, dental, vision, 401(k), HSA and FSA options
- Law alerts and harassment prevention training included
Scope of Services:
- All-in-one online payroll and tax processing
- Health and retirement benefits administration
- HR support, onboarding and compliance
Our Verdict
A natural shortlist entry for a Yakima Valley or Eastside business that wants an in-state PEO.
VensureHR
Provider Type:
Arizona-based PEO with a Washington page
Company Description:
VensureHR runs its PEO for small and mid-sized businesses from Arizona. A dedicated state page addresses owners in Seattle, Spokane, and Tacoma. Payroll, benefits, HR, and compliance arrive as 1 package. I did not find the Vensure name on the IRS CPEO list.
Key Specialty Area:
Large PEO with a page for local owners
Service Cost:
By quote after a free HR assessment
Top Advantages:
- State page written for Seattle, Spokane, and Tacoma firms
- HR assessment reviews payroll and tax filing procedures
- Commuter benefits besides group health and retirement
Scope of Services:
- Payroll administration and tax filing
- Benefits enrollment and plan administration
- HR and compliance support
Our Verdict
Fits a Washington employer that wants a wide service menu from a single large vendor.
XcelHR
Provider Type:
Maryland PEO and ASO with national reach
Company Description:
XcelHR is a Bethesda, Maryland PEO that has worked with small businesses for more than 30 years. It offers PEO and Administrative Services Organization (ASO) models and calls itself a national HR services provider. The company describes itself as IRS-certified.
Key Specialty Area:
PEO or ASO for small businesses
Service Cost:
By quote; no rates on the site
Top Advantages:
- Choice of co-employment or an ASO arrangement
- Industry programs for manufacturers and government contractors
- Hiring and timekeeping software can be added
Scope of Services:
- Payroll and tax services
- Benefits and human resources management
- Talent acquisition and applicant tracking
Our Verdict
An option for a Washington manufacturer or contractor that may want HR help without co-employment.
How Much PEO and Payroll Services Cost in Washington
A PEO bill follows 1 of 2 formulas: a set amount per employee each month, or a slice of gross payroll. Either way, expect a quote instead of a price list. Standalone payroll services in Washington cost far less, billed per pay run or per employee, but they bring no benefits. A PEO fee usually takes in payroll and filings, benefits administration, L&I reporting, and HR support. Health premiums, L&I premiums, 401(k) plan costs, and onboarding are charged separately.
State and federal costs sit above any fee. You pay UI tax on the first $78,200 of wages and your share of L&I premiums. With 50 or more employees, you also owe the employer share of PFML. Federal FICA and FUTA complete the bill. None of the 15 providers showed a starting price when I checked, so ask each for a full annual figure and compare those totals.
INSIGHT: What should Washington payroll services handle for you?
With no income tax line, the risk sits in state programs and city wage rules. Find out how a provider handles each one.
- UI tax on the first $78,200 of 2026 wages.
- PFML at 1.13%, with the employer share from 50 employees.
- L&I premiums reported by hours worked.
- City minimum wages above the $17.13 state rate.
Many Puget Sound firms have people in Oregon or California as well. California in particular adds state income tax withholding and daily overtime to the mix. My guide to PEO companies in California covers providers that handle those rules.
Remote hires farther away raise the same question. Florida, like this state, has no personal income tax, yet its unemployment and workers’ comp systems work differently. See my review of PEO companies in Florida for that market.
FAQs on PEO and Payroll Services in Washington State
What does a PEO do for a small business in Washington State?
It becomes a co-employer of your staff under a written agreement. That status lets it run payroll, file employment taxes, and sponsor group health and retirement plans. It also reports hours and premiums to the state workers’ comp fund. HR paperwork moves over as well, including sick leave tracking and policy updates. You keep full control of hiring, firing, pay decisions, and daily work. The service agreement lists which responsibilities move to the provider and which stay with you, so read that section first.
Can a PEO provide workers’ compensation in Washington?
Not through a private policy. Employers here get workers’ comp from the state fund run by the Department of Labor and Industries. The only exception is an employer certified to self-insure. Private insurers are not allowed to sell this coverage. A co-employment provider can still do useful work. It reports worker hours each quarter, pays the premiums, withholds the employee share, and helps with claims paperwork. The coverage always comes from the state, regardless of what a national sales brochure may suggest.
Do PEOs have to register in Washington?
Yes. Both the provider and every client company doing business in the state must register with the Employment Security Department. The provider then files a quarterly tax and wage report for each client separately. It must also report new and ended client relationships within 30 days. The department continues to hold the client responsible for its own unemployment taxes, penalties, and interest. IRS certification is a different matter: it is a federal status covering federal employment taxes, and it does not replace state registration.
What payroll deductions do Washington employees pay?
There is no state income tax, so nothing is withheld for it. Employees pay 71.43% of the Paid Family and Medical Leave premium, which totals 1.13% of wages in 2026. They also pay a 0.58% WA Cares premium toward long-term care, with no wage cap. Employers may also deduct part of the workers’ comp premium, based on hours worked. Federal income tax, Social Security, and Medicare are withheld the same way as in every other state, on the usual federal schedule.
How much does a PEO cost in Washington State?
Most providers charge a monthly fee per employee or a percentage of total payroll, and nearly all of them quote individually. The figure depends on headcount, industry, and the benefits you pick. Health premiums, state workers’ comp premiums, and retirement plan costs normally sit outside the service fee. Request a proposal that shows the administrative fee and the pass-through costs on separate lines. Comparing total yearly cost per employee across several proposals tells you far more than any advertised rate.
What is the minimum wage in Washington for 2026?
The state minimum wage is $17.13 an hour as of January 1, 2026, and $14.56 for workers aged 14 and 15. Several cities set higher rates, including Seattle at $21.30. Hours beyond 40 in a workweek earn overtime pay at the usual premium. Salaried employees must earn at least $1,541.70 a week to be exempt from overtime. The state has already announced $17.73 an hour for 2027, so plan for another adjustment on January 1. City rates usually move on that same date.
Helen is Anywherer’s Market Analyst & Content Researcher, with extensive experience in analyzing global employment markets and HR technology trends. She is skilled at turning complex market data into clear, well-researched insights that inform every piece of content. With a strong grasp of the EOR, PEO, and international hiring space, Helen plays a key role in keeping Anywherer’s research accurate, up to date, and genuinely useful for readers.
