ALTRES is a second-generation, family-owned business, serving the people and businesses of Hawai'i for over 50 years. Our family of companies includes: ALTRES Staffing – Hawai‘i’s largest employment services company, connecting the right people with the right opportunities so careers grow and companies thrive. simplicityHR – a full-service HR partner providing payroll, benefits, HR support, risk management, and training to businesses across Hawai'i.
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The ALTRES annual revenue was $20.2 million in 2026.
Barron Guss is the President and CEO of ALTRES.
181 people are employed at ALTRES.
ALTRES is based in Honolulu, Hawaii.
The NAICS codes for ALTRES are [56133, 5613, 561, 56, 561330].
The SIC codes for ALTRES are [73, 736].