Xenium is an HR and Employer Services provider who serves companies with limited to no internal HR resources, and those that have internal staff who can benefit from specialized support and training. Xenium also manages the most successful Professional Employer Organization (PEO) in the Pacific NW, giving small and medium-sized companies access to best practice advice and an economy of scale for integrated services including HR, payroll, group health benefits, 401(k), and Workers%u2019 Compensation.