Guy A. Nicio, CPA, MST

Partner Tax & Accounting Services

Guy joined Windes in 1998 and is a partner in the firm’s Tax and Accounting Services department. He focuses on tax planning, compliance, and consulting with small- to middle-market businesses and their owners, working closely with his clients to analyze and maintain the most tax efficient structure to suit each client’s unique situation.

Guy possess technical expertise and knowledge in the areas of federal and multi-state income tax for corporations, partnerships, limited liability companies and individuals, payroll, sales and use tax, property taxes, accounting, tax credits/incentives, and audit representation.

He serves a wide variety of clients in the real estate, construction, manufacturing, professional services, healthcare, and restaurant industries, as well as high-net-worth individual clients.

Guy also heads the firm’s Comprehensive Office Solutions Group, which provides client accounting services such as bookkeeping, payroll solutions, sales and use tax compliance, business property tax returns, accounting software implementation and conversions, and staff training.


Bachelor of Science, Accounting
The University of Phoenix

Master of Science, Taxation
Golden Gate University


Professional Affiliations

  • American Institute of Certified Public Accountants, Member
  • California Society of Certified Public Accountants, Member
Community Affiliations

  • Bruin Professionals, Long Beach Chapter, Moderator and Host