Ambrose is a professional employer organization (PEO) providing outsourced human resources administration, payroll, and benefits services to small businesses. Founded in 1997, Ambrose’s purpose is to help small businesses to focus on their core business. Ambrose is a niche PEO focused exclusively on business services firms, financial service firms, marketing and advertising firms, technology companies, and other professional service firms. Ambrose services clients across the country and has offices in Boca Raton, Los Angeles, New York, Short Hills, Stamford, and Washington D.C.