What is human resources (HR)?

Last updated: June 15, 2026

What is HR key takeaways:

• HR manages employee-related responsibilities and supports organizational compliance.
• HR’s core functions include payroll, regulatory compliance, benefits administration, recruitment, development, employee relations and workplace policymaking.
• HR also supports onboarding, training and day-to-day employee questions and issues.
• Effective HR can help reduce risk, improve productivity, support employee engagement and strengthen decision-making.
• HR may be managed internally or through external support, depending on workforce size and business needs.
• This article is a starting point for understanding HR responsibilities and support models; it is not legal, tax or other professional advice.

What is HR?

Human resources is the practice of managing an organization’s people in a way that is compliant with workplace requirements. It may include payroll, benefits administration, policy communication and enforcement, workplace conflict resolution, hiring, onboarding, training, compensation-related support and ongoing attention to regulatory changes.

HR matters because managing people involves more than a single transaction or department. Organizations need processes for paying people, supporting them, bringing in new hires, addressing workplace issues and maintaining policies that help the business operate consistently. HR brings those responsibilities together into one function.

For some organizations, HR is handled by a dedicated internal department. For others, it may be handled by one person, shared across roles or supported by an external partner. This article is an introductory overview of what HR is, what it does, why it matters and how HR support may be structured.

Quick checklist: What HR commonly covers

• Payroll and payroll tax administration
• Regulatory compliance
• Recruitment and hiring
• Onboarding and orientation
• Benefits administration
• Workforce training and development
• Policy creation and enforcement
• Employee relations and conflict support

What is an HR professional?

An HR professional is a business partner who supports an organization by managing people‑related responsibilities and helping employers meet workplace requirements. Their role is to help organizations operate effectively while supporting people throughout the employee lifecycle, balancing day‑to‑day needs with long‑term workforce goals.

What does the HR function do?

Many people associate HR with orientation or benefits enrollment, but HR is broader than either of those tasks. HR supports recurring responsibilities that span employee pay, compliance, hiring, training, workplace policies, employee support and conflict resolution.

At a high level, HR helps organizations answer practical questions such as:

• How are employees paid and supported?
• How are hiring and onboarding handled?
• How are workplace rules communicated and applied?
• How does the organization keep up with employment-related requirements?
• Who helps employees with pay, benefits or workplace concerns?

Payroll and tax administration

HR may support payroll processes, including coordinating employee pay and helping manage required payroll tax deposits and filings.

Regulatory compliance

HR tracks changes in employment-related legal requirements and develops compliance practices to help reduce the risk of penalties. Compliance is one of the core reasons HR exists as a formal business function. Employment requirements vary by federal, state and local law, so employers should review obligations that apply to their specific workforce and locations.

Benefits administration

If an employer offers benefits, HR may handle open enrollment, COBRA administration, invoice reconciliation, reporting and employee support. This area often includes both administrative work and employee communication.

Recruitment and hiring

HR often supports recruitment and hiring so organizations can bring in qualified employees. This function can include activities that help employers attract candidates and move them through the hiring process.

Workforce training and development

HR supports employee learning and development. This may include helping employees build skills, supporting ongoing training and contributing to employee growth over time.

Employee relations

HR answers employee questions about pay, benefits and career matters, and helps address workplace conflicts when they arise. This is one of the most visible ways HR directly supports the employee experience.

Workplace policymaking

HR helps develop, communicate and apply workplace policies intended to support safe, equitable and inclusive work environments. Policies help translate expectations into consistent workplace practices.

Recordkeeping and documentation

HR often helps maintain employee records, payroll documentation, policy acknowledgments, training records and other employment related documents. Proper recordkeeping can support compliance, improve consistency and help employers respond to employee questions, audits or disputes.

How HR responsibilities show up in practice

HR responsibilities often appear as connected parts of the employee lifecycle rather than as isolated tasks.

For example, after a candidate accepts an offer, HR may help complete background checks, handle paperwork and schedule first-day orientation and training. That sequence shows how recruitment, hiring, onboarding, compliance and employee support can overlap in practice.

Benefits administration works in a similar way. It is not only a benefits label. It may involve enrollment activity, COBRA administration, invoice reconciliation, reporting and employee support. This shows how HR frequently combines process management with direct employee communication.

For readers trying to understand role boundaries, the article presents HR as the function that typically supports these processes, even when other leaders or staff interact with employees along the way. In that sense, HR is both a support function and a coordinating function.

How does HR add value to a company?

HR can help employers get more value from their investment in people. Value comes from supporting employees effectively while also helping the organization operate more consistently and with less risk.

Recruiting and hiring talent

HR helps employers recruit and hire strong candidates. Hiring support matters because employee quality affects business performance and organizational growth.

Improving efficiency and productivity

HR can help improve efficiency and productivity through integrating HR solutions and more consistent workforce processes. When employee administration is organized well, day-to-day operations may run more smoothly.

Reducing compliance-related risk

HR supports compliance to help reduce the risk of fines, penalties and lawsuits. This value connects directly to HR’s role in tracking requirements and maintaining compliant workplace practices.

Supporting employee engagement

HR can help foster workplace cultures that keep employees engaged. Employee engagement is tied to how people are welcomed, supported, developed and treated at work.

Helping inform business decisions

HR can use people analytics and benchmark data to support more informed business decisions. This shows that HR can contribute not only to execution but also to organizational decision-making.

Building adaptability through training

HR can help employees become more adaptable through ongoing training programs. Training supports both employee development and business readiness.

Why HR matters across the organization

HR matters to employers because employee-related responsibilities affect both day-to-day operations and broader business outcomes. Payroll, hiring, benefits, policies and employee issues all influence how the organization functions.

HR also matters because it connects people management with compliance support. That combination is important for organizations that need to support employees while reducing exposure to workplace-related risk.

For readers in different roles, the value of HR may differ slightly. A business owner may focus on coverage and risk. A manager may focus on onboarding, policies and employee issues. An administrator may focus on processes and paperwork. An early-career HR practitioner may focus on understanding the full scope of the function. This article supports those entry points by explaining the same core function from a broad business perspective.

Types of HR support

When it comes to managing HR, employers generally have two broad options: Use an internal team or work with a third party. The choice depends largely on workforce size and business needs. As an organization grows, HR needs may become more complex. Multistate hiring, remote work, benefits administration and leave law management may require more formal HR processes or specialized support.

Internal HR departments

Internal HR professionals usually know the business, its processes, its policies and its employees well. That familiarity can help them answer questions quickly and respond directly to workplace issues.

Internal HR may be a fit for organizations that want HR support embedded within the business and closely connected to daily operations.

External partners

Organizations sometimes use third-party providers for specialized or full-service HR expertise and assistance. External support may supplement an in-house HR person or team, or replace some internal HR responsibilities. A professional employer organization (PEO), is one example of third-party HR support and may involve a co-employment relationship.

Considering ADP as an external HR partner

According to Nelson Hall, businesses that use ADP’s HR outsourcing solution, save 64% annually in employee and manager HR administration, late fees, and error corrections.

Because HR outsourcing companies work with many clients across different industries and business sizes, they have unique expertise compared to a single HR department.

“ADP TotalSource has taken out the guesswork when it comes to being compliant and is also an advocate for my employees. I'm able to have a team on my side and I feel like I can go to an HR situation with no worries because I have a team behind me to guide me. ADP TotalSource has allowed me to feel confident in my job and in my ability to help my employees.”
Vice President of Administration and HR, EDC Technologies, Inc.

Internal HR vs. external support

Support model	What the article emphasizes
Internal HR	Familiarity with company processes, policies and employees; may answer questions and address issues quickly.
External support	Can provide specialized or broader HR assistance; may supplement or replace some internal HR responsibilities.
Decision factor	Workforce size and business needs.

Interested in finding out what external HR support could look like for your business? Learn about ADP’s HR outsourcing options today.

Frequently asked questions about HR

Why is it called HR?

Human resources is aptly named because people are an asset that businesses depend upon to achieve their objectives. In fact, of all the resources available to employers, people are the most valuable.

Why is HR important?

HR is important because it helps employers recruit in-demand talent and create safe, inclusive workplaces where employees can bring their best selves to work. In addition, many HR responsibilities, such as payroll and regulatory compliance, are essential to avoiding costly violations.

What are the seven functions of HR?

There are many HR functions, but seven of the most common are:

1. Payroll and payroll tax administration
2. Regulatory compliance
3. Benefits administration
4. Recruitment and hiring
5. Workforce training and development
6. Employee relations
7. Workplace policymaking

Disclaimer This article is a starting point for understanding HR responsibilities and support models. ADP is not providing legal, tax or other professional services through this content.