Under co-employment, a Professional Employer Organization (PEO) shares the employer role with the business that signs it up. Wages and employment taxes run through the PEO’s accounts, staff joins its group health and retirement plans, and its workers’ comp program covers injuries. The owner still hires, fires, and directs the work. South Carolina counts 530,402 small businesses employing 863,326 people. Few of those firms have the headcount to win large-group insurance rates on their own.
This year, 3 Palmetto State rules weigh on that choice. H. 4216 lowered the top income tax rate to 5.21% retroactive to January 1, so withholding changed partway through the year. Workers’ comp becomes mandatory at 4 regular employees, and every private employer must run new hires through E-Verify. Co-employers here are also licensed by the Department of Consumer Affairs. That gives anyone weighing a South Carolina PEO a simple first check.
PEO South Carolina: Why Small Employers Bring One In
South Carolina now taxes wage income at just 2 rates. According to the Department of Revenue (SCDOR), taxable income below $30,000 is taxed at 1.99%, and income from $30,000 up is taxed at 5.21% minus $966. The old top rate was 6.0%. Because the cut reaches back to January 1, 2026, many pay runs used the old rates for months. The law also allows further cuts when state economists project revenue growth of 5% or more. Counties and cities add no wage tax, and minimum wage and overtime follow federal rules. Loading each new rate on time is a South Carolina payroll service’s core job. So is keeping every SC W-4, the state withholding certificate, up to date.
INSIGHT: What changed for South Carolina payroll in 2026?
The top income tax rate dropped retroactively, so any payroll configured for 2026 deserves a second look.
- Top rate: 5.21%, down from 6.0%, retroactive to January 1, 2026; income below $30,000 is taxed at 1.99% (SCDOR, April 15, 2026).
- Future cuts: if revenue goals are met, later reductions can continue down to a 1.99% top rate (EY Tax News, April 22, 2026).
- Returns: SCDOR expects a withholding filing every quarter, due by the last day of the next month (SCDOR, October 2026).
- Minimum wage: no state law, so the federal $7.25 an hour applies (US Department of Labor, October 2026).
Sources:
Employers also carry taxes their staff never see. State unemployment insurance (UI) is run by the Department of Employment and Workforce (DEW). Owners pay it on the first $14,000 a worker earns each year (staff contributes nothing). New employers start at 1.06% in 2026, while experienced rates run from 0.06% to 5.46%. Wage reports go to DEW every quarter, on the same rhythm as SCDOR withholding returns. State law adds 2 hiring deadlines. Each hire must reach the state directory within 20 calendar days, while the E-Verify check has only 3 business days. Federal FICA and FUTA sit on top. Good payroll services in South Carolina keep all of these dates on one calendar.
Owners who move past plain payroll usually do it for 2 reasons. The first is injury coverage. Under Section 42-1-360 of the state code, a business needs workers’ comp once it regularly employs 4 or more people. The Workers’ Compensation Commission (WCC) counts part-time staff and family members too. A PEO can cover those workers under its own program. The second reason is benefits. Below 50 full-time-equivalent workers, nobody has to offer medical coverage, but job seekers raise it in almost every interview. Pooling many small clients, PEO services in South Carolina open the door to group medical, dental, vision, and 401(k) coverage.
INSIGHT: Which insurance and benefits does a South Carolina employer have to provide?
The state requires only injury coverage. Medical and 401(k) plans are voluntary for small firms, but they often decide hiring battles, and pooled PEO plans make them affordable.
- Workers’ comp: required with 4 or more regular employees, counting part-time staff and family members (WCC, October 2026).
- Exemptions: fewer than 4 employees, under $3,000 in prior-year payroll, and casual employees (S.C. Code § 42-1-360, October 2026).
- ACA: the federal Affordable Care Act coverage duty begins once a firm reaches 50 full-time equivalents (IRS, October 2026).
Sources:
The real choice is how much of the employer role you want to share. With co-employment, the PEO takes over paychecks, plans, injury coverage, and HR files, and you still run the shop floor. Contract details are covered in my primer on what a PEO is. A payroll vendor only pays people and files returns. Advice-only HR outsourcing lands somewhere between them. Running a PEO in South Carolina requires a license from the Department of Consumer Affairs (SCDCA). Each license is valid for 2 years, and the agency’s Licensee Lookup shows which firms are active.
My shortlist holds 15 firms: Palmetto State co-employers and payroll shops alongside national PEOs that take South Carolina clients. Every entry sets out services, billing and the kind of owner each firm fits. Federal status is a separate check, so I also searched the IRS list of Certified PEOs (CPEOs). If no South Carolina PEO provider here fits, my ranking of the best PEO companies covers the national field.
Top 15 PEO Companies in South Carolina
Start with the scope of help. Some owners want medical plans and injury coverage wrapped into pay runs. Others need only paychecks and returns, or advice without shared employer status. Headcount comes next, because the 4-employee workers’ comp line and the 50-employee ACA mark both change what you need. Then ask yourself whether a hometown office or a bigger national insurance pool matters more. Most PEO companies in South Carolina will price more than one setup if you ask.
To compare PEO companies, South Carolina owners can use the checklist I applied. It starts with an active SCDCA license, correct withholding through the 2026 tax change, on-time DEW filings, and E-Verify support. Beyond those basics, injury coverage setup, medical and 401(k) plan value, and any claimed CPEO or ESAC status shaped my notes. Open pricing counted in a provider’s favor.
All 15 providers appear in A-to-Z order. The sequence says nothing about quality, preference, or ranking.
ADP TotalSource
Provider Type:
National US PEO
Company Description:
ADP TotalSource lets smaller and midsize South Carolina companies share employer duties with ADP. It brings payroll, benefits administration, workers’ comp and compliance together with an assigned HR business partner. The IRS certified-PEO list shows its entities effective January 1, 2017.
Key Specialty Area:
Large-carrier benefits for growing Columbia and Greenville firms
Service Cost:
ADP prices each account based on headcount and chosen plans
Top Advantages:
- Dedicated HR business partner for day-to-day policy questions
- Payroll, benefits and workers’ comp under one agreement
- ESAC accreditation since 1995, according to ADP
Scope of Services:
- Pay runs plus federal and SCDOR tax filings
- Benefits administration and open enrollment
- Workers’ compensation and regulatory compliance support
Our Verdict
Request pricing if your Greenville plant has 50 or more staff and needs deep benefits on ADP’s payroll platform.
Engage PEO
Provider Type:
Tampa-headquartered national PEO
Company Description:
Engage PEO runs co-employment from Tampa for smaller companies nationwide. Its mix spans pay runs, compliance advice, group benefits, and injury and risk programs. The company says every HR consultant on its team is a licensed employment attorney. The IRS roster of certified co-employers includes Engage PEO, LLC.
Key Specialty Area:
Lawyer-staffed HR desk for Lowcountry owners
Service Cost:
Quote-based, set after a review of your workforce
Top Advantages:
- HR questions answered by licensed employment attorneys, per Engage
- ESAC accreditation and SOC 1 and SOC 2 audits claimed
- Multi-state workforce guidance for teams near the Georgia line
Scope of Services:
- Payroll and tax administration
- HR consulting, compliance and employee handbooks
- Employee benefits, risk management and workers’ comp
Our Verdict
Hilton Head and Beaufort managers who want legal-grade answers to daily HR questions should shortlist it.
ERG Payroll & HR
Provider Type:
Local PEO and payroll provider headquartered in Columbia
Company Description:
ERG Payroll & HR presents itself online as guHRoo, a Columbia firm serving teams of 10 to 150. It sells payroll and HR without co-employment through an administrative services (ASO) plan, plus 2 full PEO plans with large-group benefits, workers’ comp and 401(k).
Key Specialty Area:
Published PEO and payroll prices for Midlands teams
Service Cost:
Payroll and HR (ASO) from $79 per employee per month. Larger teams pay $69 (26 to 99 employees) or $59 (100 or more). The PEO plan costs $139, and PEO with strategic HR costs $249. Monthly minimums of $1,000 or $3,500 apply, premiums are extra, and setup costs 2 months’ billing.
Top Advantages:
- Full price list visible before any sales call
- Columbia team that replies within 2 hours, per the company
- Option to keep current benefits or join large-group plans
Scope of Services:
- Pay runs, direct deposit and tax returns
- Large-group medical, dental, vision and 401(k)
- HR support, handbooks, E-Verify and annual audits
Our Verdict
For anyone comparing payroll services, South Carolina owners rarely get this much clarity: posted prices and a path from payroll-only to full PEO.
*As pricing is subject to change, we are listing prices as they stand in November 2026
G&A Partners
Provider Type:
Houston-headquartered national PEO
Company Description:
G&A Partners traces back to 2 Houston accountants who bought a staffing firm in 1995 and turned it into an HR outsourcer. It packages its PEO services by company size, starting with businesses of 0 to 10 employees. The federal roster of certified PEOs names its G&A Outsourcing VII affiliate.
Key Specialty Area:
HR bundles sized to your headcount
Service Cost:
Quote-based; packages priced after a consultation
Top Advantages:
- Packages matched to firms with 0 to 10 employees and up
- Accounting roots that appeal to owners focused on payroll accuracy
- Short savings assessment offered before any commitment
Scope of Services:
- Payroll and tax administration
- Employee benefits and ACA compliance support
- HR compliance, risk management and workers’ comp
Our Verdict
Fits a Rock Hill or Fort Mill company nearing 50 employees that wants help with the ACA threshold.
Group Management Services
Provider Type:
Nationwide PEO staffing a Charleston branch
Company Description:
Group Management Services dates to 1996, and 1 of its 25 offices sits in Charleston. Its menu runs from paychecks and group plans to compliance help, injury coverage and safety programs. Group Management Services, Inc. is on the IRS certified-PEO list.
Key Specialty Area:
Local Charleston support backed by a national PEO
Service Cost:
Priced individually once GMS reviews your staff
Top Advantages:
- Charleston office for in-person meetings
- Workplace safety programs alongside workers’ comp coverage
- Benefits packages aimed at recruiting and keeping staff
Scope of Services:
- Payroll and payroll tax management
- Employee benefits and benefits administration
- HR management, risk and safety services
Our Verdict
Suited to a Charleston contractor or hospitality group that wants a national PEO with staff a short drive away.
Ideal HR
Provider Type:
South Carolina HR, payroll and benefits provider based in Greenville
Company Description:
Ideal HR works from Pelham Road in Greenville and cites 28 years in business. It bundles HR consulting, payroll and taxes, benefits administration and workers’ comp into what it calls a boutique package. The site does not spell out co-employment, so confirm the model in writing.
Key Specialty Area:
Boutique HR and payroll service for Upstate employers
Service Cost:
Quote-based; no prices published
Top Advantages:
- Named HR, payroll and benefits managers listed on the site
- Applicant tracking and time tools in one portal
- Workers’ comp support from injury report to claim
Scope of Services:
- HR consulting and employee relations
- Payroll, tax filing and time and attendance
- Benefits administration and workers’ comp management
Our Verdict
Right for a Greenville or Spartanburg office that values a small team it can call by name.
Insperity
Provider Type:
Houston-headquartered national PEO
Company Description:
Insperity began in 1986 as Administaff and serves small and midsize businesses from its Houston-area headquarters. Its HR360 service runs on a co-employment model and covers payroll, benefits and HR support. Its PEO subsidiaries hold IRS certification.
Key Specialty Area:
Full-service co-employment with in-house HR technology
Service Cost:
Tier and headcount set in each Insperity quote
Top Advantages:
- Separate products for co-employment and for HR technology alone
- Co-employment track record going back to 1986
- Midsize tier defined as 50 to 149 employees, per Insperity
Scope of Services:
- Payroll and employment tax administration
- Benefit plans and benefits administration
- HR guidance, compliance and workers’ comp
Our Verdict
Charleston software and consulting firms that want polished HR tools with co-employment will find a match here.
Landrum HR Solutions
Provider Type:
PEO based in Pensacola, Florida
Company Description:
Landrum HR Solutions is a Pensacola PEO offering HR consulting, payroll and tax reporting, and benefits administration. Its risk and safety support includes OSHA guidance. Clients work in its MyLandrum HR information system. The IRS certified-PEO list includes Landrum Professional Employer Services, Inc. III.
Key Specialty Area:
Safety guidance and HR support for regulated employers
Service Cost:
Quote-based; set after a consultation
Top Advantages:
- OSHA and workplace safety training built into the service
- MyLandrum portal with workforce analytics
- Compensation studies and handbook work from HR consultants
Scope of Services:
- Payroll services and tax reporting
- Employee benefits and administration
- Risk management, safety and workers’ comp
Our Verdict
Suits a Pee Dee or Lowcountry employer in a safety-heavy trade that wants a PEO with risk specialists on staff.
Peoplease
Provider Type:
Local PEO founded in downtown Charleston
Company Description:
Peoplease was founded in downtown Charleston to serve blue- and gray-collar businesses. Its broader group covers more than 70,000 worksite employees. It co-employs staff for payroll, benefits and retirement, HR administration, and workers’ comp with risk mitigation.
Key Specialty Area:
Injury cost control for field and plant crews
Service Cost:
Priced per client following an initial consultation
Top Advantages:
- Claims, payments and safety programs managed for you
- Focus on trades, transportation and other field-based work
- Single platform for payroll and the employee lifecycle
Scope of Services:
- Payroll processing on one technology platform
- Benefits and retirement plan administration
- Workers’ comp, risk mitigation and HR administration
Our Verdict
A logical first call for a Lowcountry trucking, construction or manufacturing company whose biggest worry is injury cost.
Propel HR
Provider Type:
Local PEO headquartered in Greenville
Company Description:
Propel HR is headquartered in Greenville, where it started as Personnel Resources, a payroll provider. It now offers full-service PEO and HR outsourcing to small and mid-sized businesses on UKG and Worklio software. Propel PEO, Inc. is on the IRS certified PEO list.
Key Specialty Area:
BlueChoice health plan access for small Upstate firms
Service Cost:
Quote-based; no prices published
Top Advantages:
- BlueChoice Master Health Plan available to PEO clients
- UKG and Worklio software for payroll and HR
- ACA, FLSA, FMLA and EEOC guidance included
Scope of Services:
- Payroll, tax filing and W-2 reporting
- Health, dental, vision, life and 401(k) plans
- Workers’ comp and HR compliance support
Our Verdict
Upstate owners seeking a homegrown South Carolina PEO service provider with IRS certification and a regional health plan should start here.
Quadrant PHR
Provider Type:
Florida co-employer from St. Petersburg
Company Description:
Quadrant PHR has offered HR outsourcing to small and medium-sized businesses since 2012 from St. Petersburg, Florida. Its menu spans PEO, ASO and HR-only solutions, with payroll and tax administration, employee benefits, and workers’ comp and safety.
Key Specialty Area:
Flexible service levels as a Carolina team grows
Service Cost:
Quote-based; request information through the site
Top Advantages:
- Co-employment or admin-only service, your call
- HR support model that scales with headcount
- Cloud tools for client and employee self-service
Scope of Services:
- Human resources and payroll administration
- Employee benefits enrollment and administration
- Workers’ comp and safety programs
Our Verdict
Owners still deciding between shared employer status and admin-only help can test both models with one vendor.
Quality Business Solutions
Provider Type:
Local PEO headquartered in Travelers Rest
Company Description:
Quality Business Solutions (QBS) has worked with business owners since 2000 from Travelers Rest, north of Greenville. Its PEO services cover HR management, payroll processing, benefits administration, tax reporting and workers’ comp. The company credits most of its growth to client referrals.
Key Specialty Area:
Personal service for Upstate restaurants and plants
Service Cost:
Set during a no-cost consultation with QBS
Top Advantages:
- Help with employee forms, handbooks and state rules
- Workers’ comp handled with an eye on premium costs
- Tax reporting folded into the same service
Scope of Services:
- Payroll processing and tax reporting
- Benefits administration and HR management
- Workers’ compensation coverage and administration
Our Verdict
Restaurant groups in Greer or Travelers Rest that like dropping by their PEO’s office belong here.
Questco
Provider Type:
National co-employer from suburban Houston
Company Description:
Questco opened in 1989 and still runs its national co-employment business for smaller companies out of the Houston suburbs. It covers payroll, employee benefits, HR services and workers’ comp. Questco HR LLC appears on the IRS certified PEO list.
Key Specialty Area:
Steady HR outsourcing for small and mid-sized firms
Service Cost:
Quote-based; no prices published
Top Advantages:
- More than 35 years of co-employment experience
- Scorecard tool for grading a current PEO before switching
- Payroll, benefits and HR bundled in one contract
Scope of Services:
- Payroll administration and tax filing
- Employee benefits and HR services
- Workers’ comp and risk management
Our Verdict
Fits an Aiken or Orangeburg business already using a PEO that wants to benchmark its current provider.
Signum HR
Provider Type:
Local PEO headquartered in Lexington
Company Description:
Signum HR is a full-service PEO based in Lexington, just west of Columbia. It has served clients in South Carolina, North Carolina, Georgia and the wider Southeast for 20 years, pairing face-to-face service with web-based reporting.
Key Specialty Area:
Face-to-face PEO service for Midlands businesses
Service Cost:
Quote-based through a consultation request
Top Advantages:
- In-person meetings with a Lexington-based team
- Regular updates on changing employment laws
- Web-based reporting for payroll and HR data
Scope of Services:
- Payroll and tax administration
- Employee benefits and benefits administration
- Workers’ comp, risk management and compliance
Our Verdict
Lexington and Irmo owners who prefer a South Carolina PEO company that still visits in person should call first.
XL PEO
Provider Type:
Local PEO headquartered in Myrtle Beach
Company Description:
XL PEO (XL-PEO, Inc.) works from Johnson Avenue in Myrtle Beach and cites more than 30 years of combined PEO experience. Its own FAQ explains the joint employer split. XL PEO shares responsibility for payroll taxes, injury coverage and benefits, while the owner keeps running the business.
Key Specialty Area:
Payroll and workers’ comp for Grand Strand businesses
Service Cost:
XL PEO quotes after assessing your payroll
Top Advantages:
- Local office on the Grand Strand
- Plain explanation of how co-employment splits duties
- Workers’ comp and payroll bundled together
Scope of Services:
- Payroll processing and payroll tax preparation
- Benefits administration and HR guidance
- Workers’ compensation and risk management
Our Verdict
Good for a Myrtle Beach hospitality employer seeking a PEO company South Carolina beach businesses can reach in person.
PEO and Payroll Pricing for South Carolina Employers
Expect 1 of 2 billing formulas from a co-employer: a set dollar amount for each worker every month, or a slice of gross wages. Most quote after reviewing headcount, industry, and claims history. ERG Payroll & HR is the exception on this list. Its guHRoo site shows $139 per employee per month for the PEO plan and $79 for payroll and HR without co-employment. A vendor that only cuts paychecks bills far less, usually per run or per head, yet leaves you to source insurance yourself.
Inside the fee for South Carolina PEO services you normally get pay runs, tax returns, plan enrollment, injury claims help and an HR adviser. Insurance premiums, retirement plan charges and any setup fee tend to land on the invoice as extra lines. Statutory charges ride on top no matter who you hire: DEW’s 2026 UI rates on the first $14,000 of each wage, plus FICA and FUTA. Compare offers on total yearly cost per employee, not on the headline fee.
*As pricing is subject to change, we are listing prices as they stand in October 2026
INSIGHT: What should South Carolina payroll services handle for you?
State payroll rules are light, so the risk sits in tax changes, filing dates and hiring checks. Ask how each provider handles every one of them.
- Withholding: 1.99% and 5.21% brackets under H. 4216, retroactive to January 1, 2026 (SCDOR, April 15, 2026).
- Unemployment tax: 1.06% for newcomers and 0.06% to 5.46% once rated, on up to $14,000 per worker (DEW, 2026).
- E-Verify: every new hire verified within 3 business days (S.C. Code § 41-8-20, October 2026).
- New hires: reported to the state directory within 20 calendar days (S.C. Code § 43-5-598, October 2026).
Sources:
Plenty of Upstate and Lowcountry companies also run a branch in Florida. Florida skips the income tax, yet a branch there still needs pay runs and coverage. For teams in Jacksonville or Tampa, see the PEO companies in Florida I reviewed.
Remote staff further afield bring very different rules. California, for instance, pays overtime by the day and withholds for state disability insurance. Read my list of PEO companies in California before a first hire there.
Questions South Carolina Owners Ask About PEOs and Payroll
What does a PEO do for a small business in South Carolina?
It co-employs your staff. That lets it run payroll, file state and federal employment taxes, and enroll your team in its group health and retirement plans. It can also cover workers under its workers’ comp program and take on HR paperwork such as new-hire reports and E-Verify checks. You still hire, fire and direct the daily work. Duties are split in a written client agreement. Check that document line by line before signing. Ask in particular who handles workers’ comp claims and unemployment filings.
Do PEOs need a license in South Carolina?
Yes. Any business offering co-employment services in the state needs a license from the Department of Consumer Affairs. It can apply as a single organization or as a group, and it must show a net worth of at least $50,000. A license lasts 2 years, renewals run from August 1 to September 30 of each odd-numbered year, and the current period ends in 2027. The department’s Licensee Lookup shows who is active. Federal CPEO certification is a different credential, tracked by the IRS.
When does a South Carolina business need workers’ compensation?
Coverage becomes mandatory once a business regularly employs 4 or more people in the state, and part-time workers and family members count toward that number. Businesses with fewer than 4 employees, or under $3,000 in payroll the previous year, are exempt. So are casual employees and a few other groups, including most agricultural workers. The Workers’ Compensation Commission notes that paying people on 1099 forms does not settle the question. Plenty of small firms skip a standalone policy and rely on their co-employer’s master coverage.
What is the South Carolina income tax rate for 2026?
H. 4216, signed on March 30, 2026, sets 2 rates: 1.99% on taxable income below $30,000 and 5.21% above it, down from a 6.0% top rate. The change applies retroactively to January 1, 2026. Further cuts are possible if state economists project revenue growth of 5% or more. Local governments here levy no income tax on wages. Employers therefore withhold only state and federal tax, using the current SCDOR formula and each employee’s SC W-4 elections. Check that mid-2026 pay runs picked up the new rates.
How much does a PEO cost in South Carolina?
Most providers charge either a fixed monthly amount per worker or a percentage of total payroll, and most share numbers only in a quote. Your quote moves with headcount, the riskiness of the work, past injury claims and the medical plans you pick. Only 1 provider on this list publishes its prices online, so expect a discovery call with the rest. Health and workers’ comp premiums and retirement plan costs usually appear as separate lines. Add up the full yearly cost per employee, including UI tax, before you compare offers.
What is the minimum wage in South Carolina?
The state never passed a wage floor statute. Covered employers therefore pay at least the federal $7.25 an hour. Under the federal Fair Labor Standards Act (FLSA), any hour beyond 40 in a workweek earns time and a half. State law does not require paid sick leave, and it sets no meal or rest break rules for adult employees. State law also bars cities and counties from mandating employee benefits, so the same rules apply statewide. Many employers still offer paid time off to compete for staff.
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.
