Oasis Acquisitions

Oasis has acquired several Professional Employer Organizations (PEOs) over the last few years including A1 HR, Advantage Employer Solutions, Inc. (AES), Advantec, Aureon HR, Diversified Human Resources (DHR), Doherty Employer Services, Fortune Industries, Kelly Staff Leasing, National HR Advantage, Inc., Professional Employer Plans, Inc. (PEP), Smart Payroll Solutions and Staff One HR. These acquisitions, coupled with organic growth, have combined to make Oasis one of the nation’s largest PEOs.

Oasis provides Human Resources, Employee Benefits, Healthcare Reform Support, Payroll Administration, and Risk Management PEO services to clients nationwide. As a PEO, we offer businesses comprehensive human resources-related products and services that can cut administrative costs, reduce liabilities and enhance employee benefits.

In addition to traditional PEO services, Oasis is also an expert on Healthcare Reform (ACA) and can help you navigate the complexities of the legislation in order to make the best possible decisions for your business. We assist our clients by providing affordable, compliant medical plans and comprehensive administration to reduce the burden of Healthcare Reform.

When you partner with Oasis, your business can benefit in a number of ways. You become better positioned to:

  • Focus on Your Core Business – Remove nonrevenue-producing tasks and spend more time on what counts: Developing and retaining customers.
  • Reduce Administrative Costs – Outsource your Human Resources, Benefits and Payroll administrative tasks to a provider that has economies of scale and broad expertise.
  • Become an Employer of Choice – Provide world-class benefits programs that enable you to attract and retain great employees.
  • Maintain Peace of Mind – Protect your business, mitigate employer liabilities and help ensure legal compliance with our Healthcare Reform administration, Risk Management support and Human Resources compliance.

Oasis’ acquisition strategy has not only increased the number of clients and employees that Oasis serves, but has also afforded the opportunity for Oasis to have offices and service centers in locations that are beneficial to our clients. Below is some information on the acquisitions that Oasis has completed in the last few years.

Aureon HR

Aureon HR became part of the Oasis family in 2018. Aureon had been a leading HR outsourcing company based in the midwest for more than 30 years and continues to operate from its locations in West Des Moines, IA and Denver, CO.

Staff One HR

Oasis acquired Staff One HR in 2017. Founded in 1988, Staff One HR is based in Texas with offices in Oklahoma, Tennessee and Colorado. This acquisition strengthened Oasis’ presence in the south central U.S. with the addition of a service center in Texas.

Diversified Human Resources (DHR)

Diversified Human Resources (DHR) became part of Oasis in 2017. DHR, founded in 1996, has offices in Arizona, Colorado and California. This acquisition increased Oasis’ presence in the western U.S.

Fortune Industries

Fortune Industries, a PEO group comprised of Century II, Inc. (Brentwood, TN), Employer Solutions Group, Inc. (Phoenix and Tucson, AZ, Loveland, CO, and Provo, UT), and Professional Staff Management, Inc. (Indianapolis, IN), became part of Oasis in 2016. This acquisition expands Oasis’ geographic reach in multiple regions and provides Fortune clients with additional product offerings.

Doherty Employer Services

Doherty Employer Services became part of Oasis in 2015. Doherty, headquarted in Edina, Minnesota, was a comprehensive human resources outsourcing company offering PEO services for more than 35 years. Oasis retained the Doherty location/service center, expanding its geographical footprint in Minnesota.


A1HR became part of Oasis in December of 2015. A1HR, a regional PEO headquartered in Tampa, FL, strengthens Oasis’ reach in this important Florida market, especially in the hospitality vertical industry. It also adds an additional service center with specialized capabilities.


Advantec became part of Oasis in 2011. Advantec, based in Tampa, Florida, was a comprehensive PEO offering services to clients for more than 13 years prior to joining Oasis.

National HR Advantage, Inc.

National HR Advantage was acquired by Oasis in 2009. This Palm Beach Gardens, Florida PEO, was providing PEO services to a wide range of client types prior to the acquisition. Its Palm Beach Gardens office was relocated to the Oasis headquarters in West Palm Beach.

Professional Employer Plans, Inc. (PEP) and Advantage Employer Solutions, Inc. (AES)

Oasis acquired Professional Employer Plans and Advantage Employer Solutions in 2008. Primarily based in Tampa, Professional Employer Plans and Advantage Employer Solutions served small- and medium-sized businesses in a variety of industries.

Kelly Staff Leasing

Kelly Staff Leasing became part of Oasis in 2006. Prior to joining with Oasis, Kelly Staff Leasing had provided PEO services to clients for more than 20 years. The acquisition included Kelly Staff Leasing’s operations center in San Diego, California which housed its payroll processing.

Other Acquisitions

Previously, Oasis also acquired PEM, King Companies, Smart Payroll Solutions and Sharp Personnel.

For more information about Oasis, please contact us at 866-709-9401 or fill out the Free Consultation form.


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