International Outsourcing Services is a diversified offshore outsourcing company headquartered in California, USA, and outsourcing in the Philippines. IOS offers tailored outsourcing services to help growing businesses improve focus and increase corporate value by helping to solve your business and HR challenges so that you can focus on your core competencies. We are our client's preferred partner because we are small enough to work as an extension of their team while also being self-sufficient enough to develop strategies and solutions for just any challenge.