About Our Firm.

Beige is the new black.

Founded in 1987, Macias Gini & O’Connell LLP (MGO) is a statewide certified public accounting and business management firm with offices in Sacramento, Walnut Creek, Los Angeles, Century City, Newport Beach, and San Diego and a staff of over 230 professionals who are proud to be boring.

The firm offers a diverse array of assurance, tax and business management services to clients ranging from startup companies to middle-market public and private companies, Hollywood celebrities, the world’s largest public pension system and California’s largest local governments. MGO is an independent member of the BDO Alliance USA and is consistently ranked among the fastest growing CPA firms in the nation.

Many of our partners, directors and managers enjoyed extraordinary success while growing up in the “Big 4” accounting firms. This diversity of experience coupled with the firm's relentless focus on attracting and developing top talent has helped to earn MGO national recognition for thought leadership from both the profession and industry regulators.

Here's our impressive list of firm recognition.

  • Named "Best of Accounting' in Customer Satisfaction by the independent research firm, Inavero, 2014 
  • Named one of the Top 100 Accounting firms in the nation by Accounting Today,  2015, 2014 and 2013, 2012
  • Named one of the Top 100 Accounting firms in the nation by Inside Public Accounting, 2014, 2013, 2012
  • Named one of the 'Best of the Best' Accounting Firms in the nation, Inside Public Accounting, 2013
  • Named the '6th Fastest Growing Accounting Firm' in the nation, Accounting Today, 2013
  • Named on of the Top 20 Accounting Firms in California, CalCPA, 2014, 2013, 2012