ALTRES
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About ALTRES
ALTRES, Inc. is a Honolulu, Hawaii-based Professional Employer Organization founded in 1969 by Bill Guss, originally established as Labor Services Inc. to provide flexible workforce solutions to Oahu warehouses, trucking companies, and naval shipyards. In the 1990s, ALTRES consolidated its business lines under one brand and created the first Professional Employer Organization in Hawaii, Employee Management Corporation, which became the foundation for its modern PEO division, simplicityHR by ALTRES. Today ALTRES is one of the largest home-grown HR and staffing companies in Hawaii, offering payroll processing, employee benefits administration, workers compensation management, and HR compliance support through tiered simplicityHR service packages, alongside a proprietary human resources information system called HR Symphony. The company also operates specialty staffing divisions including ALTRES Medical, ALTRES Tech, and ALTRES Home Care. ALTRES is ESAC accredited and maintains a mainland-facing office in Scottsdale, Arizona for businesses with Hawaii-based employees. Headquartered at the ALTRES Building in Honolulu, the company has served the Hawaii business community for more than five decades, growing from a single dockside labor pool into a full-service PEO and staffing group.
Certifications
ESAC accreditation is awarded by the Employer Services Assurance Corporation, the PEO industry's gold-standard independent accreditor. It requires a PEO to meet more than 40 financial, ethical, and operational standards on an ongoing basis. ALTRES holds ESAC accreditation — a distinction held by roughly 10% of PEOs in the United States.
Why businesses choose ALTRES
Company Details
ALTRES in Your State
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Pros & Cons
ALTRES is the default choice for many long-established Hawaii businesses because of its five-decade local track record and the breadth of its staffing and PEO offerings under one roof. The tradeoff is that ALTRES does not carry IRS CPEO certification, so businesses that need the added federal tax liability protections that certification provides should weigh this alongside its local reputation. Best for: Hawaii-based small and mid-sized businesses that want an established local partner with staffing options beyond standard PEO services.