Employee leasing companies (ELCs) are third-party organizations that provide outsourced human resources (HR) functions to client businesses. This arrangement allows a business to delegate administrative tasks, such as managing employee records and regulatory filings, to an external expert. Using an ELC streamlines operations and ensures adherence to employment laws, enabling the client company to dedicate more resources to its core business activities. Partnering with an ELC provides access to specialized HR knowledge and administrative infrastructure that companies might not otherwise afford internally.
Understanding the Co-Employment Model
The foundation of the relationship between a client business and an employee leasing company, often a Professional Employer Organization (PEO), is the legal structure known as co-employment. Under this model, responsibilities are contractually shared between the two entities. The PEO becomes the employer of record for tax and compliance purposes, using its own Employer Identification Number (EIN) to process payroll and file employment taxes, thus assuming certain administrative liabilities.
The client company retains authority over all operational and managerial aspects of its workforce. The business owner continues to direct the employees’ day-to-day work, manages their performance, and makes decisions regarding hiring and termination. This arrangement ensures the business maintains control over its core functions while the ELC handles the administrative burden.
Essential Services Provided by Employee Leasing Companies
Employee leasing companies offer a comprehensive suite of services designed to manage the employment life cycle and reduce administrative overhead for the client.
- Payroll Processing and Tax Administration: The ELC manages all aspects of payroll, including calculating wages, processing deductions, and ensuring timely payment to employees. It handles payroll tax management, calculating, reporting, and remitting federal, state, and local employment taxes under its own EIN, and prepares and distributes W-2 forms.
- Employee Benefits Management: ELCs provide access to and administration of comprehensive employee benefits packages. They manage health, dental, and vision insurance, as well as retirement savings options like 401(k)s. This includes handling enrollment, claims administration, and ensuring benefit plans comply with federal regulations like the Affordable Care Act (ACA) and ERISA.
- Workers’ Compensation and Risk Mitigation: The leasing company typically secures workers’ compensation coverage for the client’s employees, often through a large master policy. They handle claims administration, injury reporting, and workplace safety compliance, which helps mitigate the client’s liability. Many ELCs offer pay-as-you-go programs, tying premium payments directly to real-time payroll.
- HR Compliance and Regulatory Adherence: ELCs employ specialized staff who monitor the continuously changing landscape of state and federal employment laws. They provide guidance on regulatory matters, assist with required postings and documentation, and help develop employee handbooks that comply with current labor laws, helping the client avoid costly penalties.
- Unemployment Claims Management: This service involves the ELC managing all aspects of unemployment claims filed by former employees. The company handles the required paperwork, represents the client during claims hearings, and manages the associated tax rates.
Key Advantages for Businesses
Partnering with an ELC allows small and medium-sized businesses to compete more effectively in the labor market. They can offer better quality, more affordable employee benefits because the ELC pools the employees of all its clients. This leverages large group buying power to negotiate more favorable rates with insurance carriers than a single business could achieve alone.
Businesses also experience a substantial reduction in administrative overhead. Outsourcing functions like payroll, tax filings, and benefits administration frees up internal staff to focus on revenue-generating activities and core business strategy. The shared liability under co-employment also transfers a portion of the legal and regulatory risk to the ELC, aiding compliance and minimizing the need for a large, dedicated in-house HR department.
Potential Challenges and Risks
While ELCs offer many benefits, a business must recognize the challenges of entering a co-employment arrangement. A primary concern is the loss of control over certain HR policies and employee interactions. Since the ELC manages the administrative side of employment, the client company becomes dependent on the provider’s systems for functions like benefits and payroll inquiries.
Employees may feel confusion or a lack of loyalty because their paycheck and benefits information come from the leasing company rather than the business they work for. Furthermore, the fee structure can present a challenge if the contract is not transparent. Costs are often a percentage of payroll or a fixed per-employee fee, which may exceed the cost of direct employment over time. The financial stability of the ELC is also a risk factor. If the provider fails to remit taxes or insurance premiums, the client business may be held secondarily liable, especially if the ELC is not IRS-certified.
Employee Leasing vs. Professional Employer Organizations and ASOs
The term “employee leasing company” is often used interchangeably with Professional Employer Organization (PEO), which is the modern and preferred industry term. Both models utilize the co-employment relationship, where the provider assumes employer-of-record status for tax and compliance purposes, sharing liability with the client. Historically, ELCs sometimes referred to temporary staffing, but today, the PEO model typically services a client’s existing workforce.
The Administrative Services Organization (ASO) model is distinct because it does not involve co-employment or shared liability. An ASO acts strictly as a vendor, providing administrative support like payroll processing and benefits administration under the client company’s own Employer Identification Number. The client remains the sole legal employer and retains all associated risk and liability. Consequently, the ASO offers a lower level of compliance and risk mitigation support than a PEO.
Selecting the Right Provider
Choosing an ELC or PEO requires evaluating financial security and service capabilities. Business owners should prioritize providers who have earned the IRS Certified Professional Employer Organization (CPEO) designation. This certification confirms the provider meets strict financial stability and ethical requirements. It also legally assures the client that the CPEO is solely liable for federal employment taxes paid under its name.
Evaluate the provider’s insurance coverage, including workers’ compensation policies, and request client references from similar businesses. The service agreement must be reviewed carefully to ensure transparency in the fee structure and identify potential hidden costs. Finally, assess the provider’s technological platform and HRIS systems, as robust technology is necessary for efficient payroll, onboarding, and employee self-service functions.

