Who We Are

Since 1942, we have offered proactive and responsive advisory, assurance and tax services to family-owned businesses, entrepreneurs, and other successful individuals throughout the United States and abroad. We are incredibly passionate about the clients that we serve, and we work endlessly so you can sleep more soundly at night. We take pride in truly knowing who our clients are. Knowing your business really is our business. Although we work hard, we also like to have fun too. Whether it’s Nerf wars in the office, fun monthly staff meetings, or exuberant firm retreats, we are everyday people who care.

Why Us

At gish SEIDEN, we treat you like family. We do not see you as just a number in our books; we know you by your name. Having a close, personal relationship with you is not only something that we really value, we believe it is necessary. We put in the long hours so you don’t have to. We stay current on the latest accounting news and tax laws and have a highly committed team that will work with you every step of the way.

Nexia

gish SEIDEN LLP is a member of Nexia, a leading, global network of independent accounting and consulting firms that are members of Nexia International Limited. Nexia International Limited, a company registered in the Isle of Man, does not provide services to clients. Please see the “Member firm disclaimer” for further details.

Our History

75+ years

2017

The Tax Cuts and Jobs Act (TCJA) was passed by Congress. The firm moves to new offices at the Warner Center Towers in Woodland Hills, CA and celebrates its 75-year anniversary.

2012

Stan Arutti, Lance Lobdell, and Darryl Gross become partners where they remain today.

2008

The firm name is updated to the legacy partner names, gish SEIDEN LLP.

2006

Maureen O’Gara becomes the firm’s first female managing partner in its 64-year history.

1998

QuickBooks dominated the market for day-to-day bookkeeping.

1993

Lynnette Shidner becomes the firm’s first female partner in the firm’s 51-year history.

1992

The firm celebrates its 50-year anniversary.

1991

The World Wide Web is launched.

1986

U.S. Congress passed The Tax Reform Act (TRA). Martin Seiden becomes a partner where he remains today.

1981

The Economic Recovery Tax Act (ERTA) was signed into law under President Ronald Reagan.

1978

VisiCalc, the 1st spreadsheet computer program, became prevalent and marked a huge upgrade in the field of accounting.

1975

Firm becomes a founding member of Accounting Group International (currently Nexia), an international tax and accounting association.

1967

The firm celebrates its 25-year anniversary.

1965

Bob Seiden becomes a partner where he remained until his retirement.

1942

The firm, formerly known as “Gish & Gish” was founded by brothers Earle and George Gish in Beverly Hills.

Awards and Recognitions

Partner with a firm you can trust. Our CPAs work hard to achieve your goals, but we have plenty of our own too. Take a look at some of our accolades

Make-A-Wish Tri-Counties

2017, gish SEIDEN is named Community Partner of the Year for its contributions to Make-A-Wish Tri-Counties