Reference
The Entravia PEO Glossary
Plain-English definitions of the terms that show up in PEO quotes, contracts, and broker conversations. Written by Entravia Editorial.
PEO basics
- ASO (Administrative Services Organization)A service model that handles HR, payroll, and benefits administration without entering a co-employment relationship.
- Co-employmentA contractual arrangement in which two entities — typically a PEO and its client — share legal and operational responsibilities for the same workforce.
- CPEO (Certified PEO)A PEO certified by the IRS under the Small Business Efficiency Act, providing client businesses explicit federal employment-tax liability assurance.
- CSA (Client Service Agreement)The contract that defines the co-employment relationship between a PEO and its client, including allocation of obligations, fees, and termination rights.
- Employer of Record (EOR)A third-party that legally employs workers on behalf of a client, typically used to hire in jurisdictions where the client has no entity.
- ESAC (Employer Services Assurance Corporation)An independent accreditation body that audits PEOs for financial reliability, ethical standards, and regulatory compliance.
- ESAC BondedA PEO that has earned ESAC accreditation and is backed by surety bonds covering payment of wages, taxes, and benefit premiums to its clients.
- Global Employer of Record (EOR)An entity that legally employs workers in a country where the client lacks a local entity, handling payroll, benefits, and statutory compliance.
- HRO (Human Resources Outsourcing)A broad category of outsourcing arrangements in which an external provider takes on some or all HR functions for a client business.
- NAPEO (National Association of Professional Employer Organizations)The U.S. trade association for the PEO industry, publishing research, advocacy, and standards used by buyers and brokers to evaluate PEOs.
- PEO (Professional Employer Organization)A PEO is a firm that co-employs a client's workforce to deliver payroll, benefits, HR, and compliance services under a shared-employment arrangement.
- PEO vs. Payroll-Only ProviderThe structural distinction between a PEO (co-employment, bundled HR, benefits, and compliance) and a payroll bureau (transactional payroll only).
- Worksite EmployeeAn employee who works at the client's premises under the client's direction but is co-employed by the PEO for tax and benefits purposes.
Sales & procurement
- All-In (Bundled) PricingA PEO billing approach that combines administrative fees, taxes, and certain benefits into a single bundled rate.
- Broker of Record (BOR)A signed designation establishing one broker as the client's exclusive representative for placing and servicing a specific insurance or PEO arrangement.
- Broker of Record (BOR) LetterA signed client letter designating a specific broker as the exclusive representative on a benefits or PEO account, displacing any prior broker.
- Census (Employee Census)A structured roster of an employer's workforce — including demographics, location, compensation, and benefits enrollment — used to underwrite PEO and benefits quotes.
- Fee Disclosure (PEO)The contractual obligation of a PEO to disclose to the client the components of its billing — admin fee, taxes, benefits premium, comp premium — separately.
- Finalist Demo (PEO Selection)A scheduled, scripted product and service demonstration by short-listed PEOs to a buying committee, usually following the RFP scoring step.
- Finalist PresentationThe decision-stage meeting where 2–3 PEO finalists present their solution, team, and implementation plan to the buying committee.
- Loss RunsA claims-history report from an insurance carrier listing past claims, payouts, and reserves — required for accurate PEO and workers' comp quoting.
- Pass-Through PricingA PEO billing approach where statutory taxes, benefits premiums, and workers' comp are billed at cost, separate from the administrative fee.
- PEO BrokerA licensed insurance broker who specializes in evaluating, placing, and servicing PEO arrangements on behalf of employer clients.
- PEO Discovery CallAn initial qualification conversation between a prospect and a PEO sales representative to scope fit, services needed, and quote requirements.
- PEO Transition PlanThe structured workstream of moving an employer's payroll, benefits, and HR records from a current state (no PEO or prior PEO) into a new PEO.
- PEO UnderwritingThe risk-assessment process a PEO uses to decide whether to offer terms to a prospect and at what rates for benefits, workers' comp, and admin.
- PEPM (Per Employee Per Month)A pricing model in which a PEO charges a fixed monthly administrative fee per worksite employee, separate from pass-through costs like benefits and taxes.
- Percent-of-Payroll PricingA PEO pricing model where the administrative fee is calculated as a percentage of gross payroll instead of a fixed per-employee amount.
- Renewal CliffA renewal cycle in which a PEO presents materially higher pricing than the initial year, often due to claim experience or rate-action delay.
- RFI (Request for Information)A pre-quote inquiry used to gather basic information about a PEO's services, technology, and qualifications before issuing a formal RFP.
- RFP (Request for Proposal)A structured solicitation document used by buyers to request comparable proposals from multiple PEOs.
- RFP vs RFIRFI (Request for Information) is exploratory and capability-focused; RFP (Request for Proposal) is commercial and includes pricing and contract terms.
- Service Fee (Administrative Fee)The component of PEO billing that compensates the PEO for HR, payroll, benefits, and compliance services — distinct from pass-through costs.
- SOC 1A third-party report on a service organization's controls relevant to client financial reporting, frequently requested in PEO due diligence.
Payroll & taxes
- Certified PayrollA federally required weekly payroll report (Form WH-347) submitted by contractors on Davis-Bacon and other prevailing-wage projects.
- Common PaymasterAn IRS arrangement allowing related corporations to designate a single entity to pay employees who concurrently work for multiple related entities.
- ERC (Employee Retention Credit)A pandemic-era refundable payroll tax credit for eligible employers who retained employees during qualifying COVID-19 periods.
- FICA (Federal Insurance Contributions Act)Federal payroll tax funding Social Security (6.2% each on employer and employee, up to the wage base) and Medicare (1.45% each, no wage cap).
- Form 1095-CIRS form used by Applicable Large Employers to report each full-time employee's health-coverage offer and enrollment under the ACA.
- FUTA (Federal Unemployment Tax Act)Federal payroll tax of 6% on the first $7,000 of each employee's wages, partially offset by SUI credits.
- FUTA Credit Reduction StateA state that has not repaid federal unemployment-trust-fund loans and whose employers therefore receive a reduced FUTA credit, increasing effective FUTA tax.
- Imputed IncomeThe taxable value of non-cash compensation or benefits that must be added to an employee's W-2 wages.
- ISO (Incentive Stock Option)A type of employee stock option that, if held long enough, qualifies for capital-gains tax treatment rather than ordinary income at exercise.
- Multistate Tax RegistrationThe process of registering an employer with the income-tax and unemployment-tax agencies of every state where it has employees creating nexus.
- Payroll Tax NexusThe connection between an employer and a state that triggers payroll-tax registration, withholding, and reporting obligations in that state.
- PTET (Pass-Through Entity Tax)An elective state-level tax on pass-through entities used to work around the federal $10,000 SALT deduction cap for owners.
- RSU (Restricted Stock Unit)Equity compensation that vests over time and is taxed as ordinary income on vest, requiring W-2 reporting and tax withholding by the employer.
- Shadow PayrollA reporting-only payroll run in a second jurisdiction used to satisfy local tax obligations for an employee who is paid from a primary jurisdiction.
- State Reciprocal Tax AgreementsBilateral state arrangements that allow employees who live in one state and work in another to pay income tax only to their state of residence.
- Statutory EmployeeA worker treated as an employee for FICA tax purposes by statute, even if treated as an independent contractor for income tax purposes.
- SUI / SUTA (State Unemployment Insurance)State payroll tax that funds unemployment benefits. Rates are experience-rated based on an employer's claims history.
- SUI Rate ProtestA formal challenge filed with a state unemployment agency to contest the calculation of an employer's SUI rate.
- Voluntary SUI ContributionAn optional payment to a state unemployment fund that lowers an employer's assigned SUI rate by improving its reserve-account balance.
- Wage BaseThe maximum amount of an employee's wages subject to a particular payroll tax in a calendar year.
- Wage Base Reset (Mid-Year PEO Transition)The phenomenon where employees can be re-subjected to Social Security or SUI taxable wage bases when an employer transitions PEOs mid-year.
- Work Opportunity Tax Credit (WOTC)A federal tax credit available to employers that hire individuals from specified target groups facing barriers to employment.
- WOTC (Work Opportunity Tax Credit)A federal tax credit for employers who hire individuals from targeted groups including veterans, long-term unemployed, and SNAP recipients.
Benefits
- ACA Affordability ThresholdThe maximum percentage of an employee's household income that the employee's required contribution for self-only coverage may equal under the ACA employer mandate.
- Aggregate Stop-LossA stop-loss policy that reimburses the self-funded plan when total annual claims exceed a defined attachment point (typically 120–125% of expected).
- Auto-Enrollment (401(k))A plan feature that automatically enrolls eligible employees at a default contribution rate unless they affirmatively opt out.
- COBRA AdministrationThe end-to-end process of notifying qualified beneficiaries, collecting premiums, and tracking coverage continuation under federal COBRA rules.
- COBRA Qualifying EventsThe specific events (termination, reduction in hours, divorce, child losing dependent status, etc.) that trigger COBRA continuation rights.
- EPLI (Employment Practices Liability Insurance)Insurance covering employer liability for employment-related claims including discrimination, harassment, retaliation, and wrongful termination.
- Experience Modification Factor (EMR)A multiplier applied to workers' comp premium based on the employer's actual loss history relative to industry peers (1.0 is average).
- Fiduciary Liability InsuranceInsurance protecting the personal assets of plan fiduciaries against breach-of-duty claims under ERISA.
- Flexible Spending Account (FSA)An employer-sponsored, pre-tax account allowing employees to fund qualified medical or dependent-care expenses with payroll-deducted contributions.
- Fringe BenefitsNon-cash compensation provided to employees in addition to wages, including health coverage, retirement, life insurance, and qualified transportation.
- FSA (Flexible Spending Account)An employer-sponsored, employee-funded pre-tax account used to pay qualified medical or dependent-care expenses, with limited carryover.
- Fully Insured Health PlanA health plan in which the employer pays a fixed premium and the insurance carrier assumes all claim-cost risk.
- HRA (Health Reimbursement Arrangement)An employer-funded account that reimburses employees for qualified medical expenses on a tax-advantaged basis.
- HSA (Health Savings Account)A tax-advantaged savings account paired with a qualified high-deductible health plan, owned by the employee with portable balances.
- ICHRAAn Individual Coverage HRA introduced in 2020 allowing employers of any size to reimburse employees for individual market premiums and qualified expenses.
- Level-Funded Health PlanA self-funded plan structured with predictable monthly payments that cover expected claims, administration, and stop-loss premium.
- Master Health PlanA single health insurance plan sponsored by a PEO that aggregates risk and purchasing power across all of its client employers.
- Medical Loss Ratio (MLR)The ACA-required ratio of premium dollars spent on medical claims and quality improvement vs. administration and profit, with rebates owed if thresholds are missed.
- MEWA (Multiple Employer Welfare Arrangement)A welfare benefit arrangement that provides benefits to employees of two or more unrelated employers, regulated by the DOL and (often) state insurance departments.
- Minimum Essential Coverage (MEC)The base level of health coverage an Applicable Large Employer must offer to substantially all full-time employees to avoid the 4980H(a) penalty.
- MLR (Medical Loss Ratio)The percentage of health-insurance premiums spent on medical claims and quality improvement, as opposed to administration and profit.
- Monopolistic Workers' Comp StateA state in which workers' compensation insurance is provided exclusively by a state-run fund rather than through private carriers.
- Multiple Employer 401(k) PlanA retirement plan sponsored by a PEO or industry association that covers employees of multiple unrelated participating employers under a single plan document.
- Multiple Employer Plan / PEP (401(k))A retirement plan structure that allows multiple unrelated employers to participate in a single 401(k) plan, reducing per-employer administrative burden.
- Nondiscrimination TestingThe annual testing required by the IRS to ensure 401(k) plans do not disproportionately benefit highly compensated employees.
- Open EnrollmentThe annual window during which employees can elect or change benefits coverage outside of qualifying-event special enrollments.
- Pay-As-You-Go Workers' CompA workers' compensation program in which premium is calculated and paid each pay period based on actual payroll, eliminating large up-front deposits and audit surprises.
- Plan Eligibility RulesThe plan provisions defining which employees qualify for benefits, typically based on hours, classification, and waiting period.
- Pooled Employer Plan (PEP)A 401(k) created under the SECURE Act that allows unrelated employers with no shared characteristics to participate in a single retirement plan.
- QSEHRAA Qualified Small Employer Health Reimbursement Arrangement that lets employers under 50 FTEs reimburse employees tax-free for individual health coverage.
- Qualified Medical ExpenseMedical expenses defined under IRS Section 213(d) that qualify for tax-advantaged reimbursement from HSAs, FSAs, and HRAs.
- Qualified Transportation Fringe BenefitA pre-tax employee benefit covering commuter transit, vanpool, and qualified parking up to monthly IRS limits.
- Qualifying Life Event (QLE)An event (marriage, birth, loss of coverage, etc.) that allows an employee to make mid-year changes to elections outside open enrollment.
- Safe Harbor 401(k)A 401(k) plan design that satisfies nondiscrimination testing automatically by providing a defined employer contribution to all eligible employees.
- Self-Insured (Self-Funded) Health PlanA health plan in which the employer assumes the financial risk of providing benefits, typically with stop-loss insurance to cap exposure.
- SPD (Summary Plan Description)A plain-language summary of an ERISA-covered plan's features, rights, and obligations, required to be distributed to participants.
- Specific Stop-LossA stop-loss policy that reimburses the self-funded plan for individual member claims exceeding a defined deductible (e.g., $50,000 per member per year).
- Stop-Loss InsuranceInsurance protecting a self-funded health plan against catastrophic individual claims (specific stop-loss) or aggregate claim levels (aggregate stop-loss).
- Workers' Comp Class CodeA four-digit code (typically NCCI) that categorizes a job by injury risk and drives the rate applied to payroll for that class.
- Wrap PlanA single ERISA plan document and SPD that "wraps" multiple welfare benefits (medical, dental, vision, life, disability) into one plan for compliance purposes.
- Wrap Plan DocumentA single ERISA plan document that consolidates multiple employer-sponsored welfare benefits into one plan for administrative and reporting simplicity.
Compliance
- AB5 (California Independent Contractor Law)California statute codifying the ABC test for distinguishing employees from independent contractors, with limited statutory exemptions.
- ACA (Affordable Care Act)Federal law governing employer-sponsored health coverage, including employer-mandate, reporting (1094/1095), and minimum-essential-coverage requirements.
- ACA Employer MandateThe ACA requirement that employers with 50+ FTEs offer affordable, minimum-value health coverage to substantially all full-time employees or face penalties.
- ADA (Americans with Disabilities Act)Federal civil-rights law prohibiting discrimination based on disability and requiring reasonable accommodations in employment.
- Background Check Compliance (FCRA)The Fair Credit Reporting Act framework governing employer use of consumer reports for hiring, including disclosure, authorization, and adverse-action notices.
- BIPA (Illinois Biometric Information Privacy Act)An Illinois law regulating collection and storage of biometric identifiers (fingerprints, retina scans, voiceprints) by private entities, including for timekeeping.
- Business Associate Agreement (BAA)A HIPAA-required contract between a covered entity (or business associate) and a downstream service provider that handles Protected Health Information.
- Co-employment LiabilityThe shared exposure between a PEO and its client for employment-related claims, governed by the Client Service Agreement and applicable state and federal law.
- COBRA (Consolidated Omnibus Budget Reconciliation Act)Federal law requiring employers with 20+ employees to offer continuation of group health coverage to qualified beneficiaries after qualifying events.
- CROWN ActState legislation prohibiting workplace discrimination based on hair texture and protective hairstyles historically associated with race.
- Davis-Bacon ActA federal law requiring contractors and subcontractors on federally funded construction projects to pay locally prevailing wages and fringe benefits.
- DOL Wage and Hour AuditAn investigation by the Department of Labor's Wage and Hour Division into employer compliance with FLSA, FMLA, and related statutes.
- E-VerifyA federal online system that compares Form I-9 information to U.S. government records to confirm employment eligibility.
- EEOC (Equal Employment Opportunity Commission)Federal agency that enforces laws prohibiting workplace discrimination and processes employee charges of discrimination.
- Employee Data PrivacyThe set of state and federal rules governing how employers collect, store, share, and dispose of personally identifiable information about workers.
- EPLI (Employment Practices Liability Insurance)Insurance protecting employers against claims of wrongful employment practices including discrimination, harassment, and wrongful termination.
- Ergonomics AssessmentA workplace evaluation that identifies and mitigates physical risk factors for musculoskeletal injuries.
- ERISA (Employee Retirement Income Security Act)Federal law that sets minimum standards for most voluntarily established retirement and health plans in private industry.
- Experience Modification (E-Mod / X-Mod)A multiplier applied to workers' compensation premium that reflects an employer's claims history relative to industry peers.
- FLSA (Fair Labor Standards Act)Federal law establishing minimum wage, overtime pay, recordkeeping, and youth-employment standards for private and public sector employment.
- FMLA (Family and Medical Leave Act)Federal law providing eligible employees of covered employers up to 12 weeks of unpaid, job-protected leave per year for specified family and medical reasons.
- Form I-9 (Employment Eligibility Verification)Federal form U.S. employers must complete to verify each new hire's identity and authorization to work in the United States.
- HIPAA (Health Insurance Portability and Accountability Act)Federal law governing the privacy and security of protected health information (PHI), with administrative and technical safeguards required of covered entities and their business associates.
- HIPAA Omnibus RuleA 2013 update to HIPAA that extended privacy and security requirements directly to business associates and tightened breach-notification rules.
- Independent Contractor ClassificationThe legal determination of whether a worker is an employee or an independent contractor, governed by varying federal and state tests.
- Joint EmploymentA labor-law doctrine under which two entities are deemed jointly responsible for the wage, hour, and discrimination obligations of the same workforce.
- Monopolistic Workers' Comp StateA state in which workers' compensation insurance must be purchased from a single state-run fund rather than the private market.
- OSHA (Occupational Safety and Health Administration)Federal agency that sets and enforces workplace safety and health standards under the Occupational Safety and Health Act of 1970.
- OSHA 300 LogThe federal record of work-related injuries and illnesses required for most employers with 11+ employees.
- Paid Family Leave (PFL)State-level wage-replacement programs allowing employees paid time off to bond with a child or care for a seriously ill family member.
- Pay Transparency LawsState and city laws requiring employers to disclose salary ranges in job postings and/or to applicants and employees on request.
- Pay-As-You-Go Workers' CompensationA workers' compensation billing model in which premium is calculated and paid each payroll based on actual wages, eliminating large deposits and audit surprises.
- PFL (Paid Family Leave)A subset of state paid-leave programs covering bonding with a new child or caring for a family member with a serious health condition.
- PFML (Paid Family and Medical Leave)State-mandated paid leave programs that fund time off for family and medical reasons, typically through payroll-tax contributions.
- Predictive SchedulingA category of state and city laws requiring advance notice of work schedules and premium pay for last-minute changes.
- Remote I-9 VerificationThe DHS-authorized alternative procedure allowing E-Verify employers to inspect Form I-9 documents over live video for remote hires.
- Return-to-Work ProgramA formal program that brings injured employees back to modified or transitional duty as soon as medically appropriate, reducing comp claim duration and cost.
- SOC 1 Type II ReportAn independent audit report on a service organization's controls over financial reporting, evaluated for design and operating effectiveness over time.
- SOC 2A third-party audit framework evaluating service organizations against trust service criteria (security, availability, confidentiality, processing integrity, privacy).
- SOX (Sarbanes-Oxley Act)Federal law imposing financial-reporting and internal-control requirements on U.S. public companies and their auditors.
- State Auto-IRA ProgramsState-mandated retirement-savings programs that require employers without a qualified plan to auto-enroll employees in a state-run Roth IRA.
- SUTA DumpingAn illegal practice in which employers manipulate corporate transactions to shift to a more favorable state unemployment insurance rate.
- TDI (Temporary Disability Insurance)State-mandated insurance providing wage replacement for non-occupational illness or injury, currently active in CA, HI, NJ, NY, RI, and PR.
- Telework / Remote Work StipendA reimbursement to remote employees for home-office expenses, required as a business expense reimbursement in some states (notably California).
- WHD InvestigationA US Department of Labor Wage and Hour Division audit of an employer's compliance with FLSA, FMLA, and related federal wage and hour laws.
- Worker Misclassification (1099 vs W-2)Treating a worker as an independent contractor when the legal facts establish an employee relationship under federal or state tests.
- Workers' CompensationState-mandated insurance covering employee injuries and occupational illness. Premiums are class-coded by job duty.
- Workers' Compensation Class CodeA four-digit code (NCCI or state-specific) that classifies a job's injury risk and determines the workers' compensation rate applied to its payroll.
- Workers' Compensation Premium AuditThe post-policy-period reconciliation in which a workers' comp carrier compares estimated payroll and class codes against actual exposure and adjusts premium.
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