Paychex is a leading provider of human resources, payroll, and benefits outsourcing solutions for small to medium-sized businesses in the United States. Headquartered in Rochester, New York, Paychex was founded in 1971 by Tom Golisano. It initially started as a payroll processing company but has expanded its services over the years to become a comprehensive provider of integrated human capital management solutions.

The company's headquarters is located at 911 Panorama Trail South, Rochester, New York, 14625, United States. Over the years, Paychex has grown through organic growth as well as acquisitions. It has established multiple regional offices across the United States to better serve its clients.

Paychex offers a wide range of products and services to help businesses manage their human resources needs effectively. Its primary solutions include payroll processing, HR management, time and attendance tracking, employee benefits administration, and retirement services. These services are designed to streamline and automate administrative tasks, ensuring compliance with various regulations and allowing businesses to focus on their core operations.

While Paychex primarily operates in the United States, it has expanded its presence globally through partnerships and acquisitions. Notably, in 2018, Paychex acquired Oasis Outsourcing, a Professional Employer Organization (PEO) that provided human resources and payroll services to small and medium-sized businesses across the United States. This acquisition helped Paychex strengthen its PEO services and expand its reach.

In terms of market position, Paychex is a dominant player in the HR outsourcing industry, serving over 670,000 clients across the United States. It has consistently ranked among the top payroll providers and HR outsourcing service providers in the country. Paychex operates in a highly competitive market, with competitors like ADP, Insperity, and TriNet.

Over the years, Paychex has achieved several milestones and accolades. In 2019, it was recognized by Forbes as one of America's Best Employers for Diversity. The company has also been recognized for its outstanding customer service and its commitment to innovation in human capital management solutions.

As of the latest information available, Paychex continues to grow and expand its services to meet the evolving needs of small to medium-sized businesses. Its focus on providing comprehensive human capital management solutions has positioned it as a trusted partner for businesses looking to outsource their HR functions. The company continues to invest in technology and expand its offerings to stay ahead in the market