Insights

Strategic Niche Longstanding accounting and advisory firm with over 75 years of experience serving family-owned businesses and entrepreneurs across domestic and international offices, indicating potential for cross-border tax and advisory services.

Industry Focus Specialized knowledge in craft breweries, dealerships, hospitality, manufacturing and distribution, professional services and real estate presents opportunities to upsell targeted services tailored to these sectors.

Tech Enablement Adopts a modern tech stack (QuickBooks, AWS, Shopify, Microsoft 365, Mailchimp, analytics tools) enabling scalable digital service delivery and potential for expanding cloud-based advisory offerings.

Growth Footprint Revenue in the multi-million range and a team size indicative of mid-market capability; potential to pursue larger engagements, strategic partnerships, or expanded rollouts with similar firms in the Nexia network.

People & Expertise Skilled, team-based approach with diverse tax, audit and advisory capabilities; recent hiring activity noted and a focus on staying current with laws, signaling readiness to support complex compliance and planning engagements.

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gish SEIDEN LLP Tech Stack

gish SEIDEN LLP uses 8 technology products and services including QuickBooks, Matomo, Amazon Web Services, and more. Explore gish SEIDEN LLP's tech stack below.

QuickBooks
Accounting And Finance
Matomo
Analytics
Amazon Web Services
Cloud Hosting
Shopify
E-commerce
Mailchimp
Email
Microsoft 365
Email
Brevo
Live Chat
Piwik PRO Core
Web Analytics

Media & News

gish SEIDEN LLP hired Christy Kasper on Jan 1st '17
Christy Kasper joined gishSEIDEN LLP in 2017, bringing over a decade of tax and audit experience.
Nov 20, 2024 | labusinessjournal.com

gish SEIDEN LLP's Email Address Formats

gish SEIDEN LLP uses at least 3 email formats:

gish SEIDEN LLP Email Formats	Example	Percentage
FLast@gishseiden.com	JDoe@gishseiden.com	83%
Last@gishseiden.com	Doe@gishseiden.com	15%
FirstLast@gishseiden.com	JohnDoe@gishseiden.com	2%

Frequently Asked Questions

What is gish SEIDEN LLP's phone number?

You can contact gish SEIDEN LLP's main corporate office by phone at

+1-818-854-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is gish SEIDEN LLP's official website and social media links?

gish SEIDEN LLP's official website is gishseiden.com and has social profiles on LinkedIn.

How much revenue does gish SEIDEN LLP generate?

As of September 2026, gish SEIDEN LLP's annual revenue is estimated to be $10M - $25M.

What is gish SEIDEN LLP's SIC code and NAICS code?

gish SEIDEN LLP's SIC code is 8721 - Accounting, Auditing, and Bookkeeping Services and NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does gish SEIDEN LLP have currently?

As of September 2026, gish SEIDEN LLP has approximately 49 employees across 2 continents, including North America and Asia. Key team members include Partner: D. C., Senior Manager: B. W. and Audit Manager: R. D. Explore gish SEIDEN LLP's employee directory with LeadIQ.

What industry does gish SEIDEN LLP belong to?

gish SEIDEN LLP operates in the Accounting industry.

What technology does gish SEIDEN LLP use?

gish SEIDEN LLP's tech stack includes QuickBooks, Matomo, Amazon Web Services, Shopify, Mailchimp, Microsoft 365, Brevo and Piwik PRO Core.

What is gish SEIDEN LLP's email format?

gish SEIDEN LLP's email format typically follows the pattern of FLast@gishseiden.com. Find more gish SEIDEN LLP email formats with LeadIQ.

When was gish SEIDEN LLP founded?

gish SEIDEN LLP was founded in 1942.

gish SEIDEN LLP

Q: What is gish SEIDEN LLP's official website and social media links?

gish SEIDEN LLP's official website is gishseiden.com. gish SEIDEN LLP has social profiles on LinkedIn.

Q: How many employees does gish SEIDEN LLP have currently?

gish SEIDEN LLP has approximately 49 employees.

Q: What technology does gish SEIDEN LLP use?

gish SEIDEN LLP's tech stack includes Adobe Fonts, reCAPTCHA, Apache HTTP Server, Priority Hints, ShareThis.

Q: What is gish SEIDEN LLP's NAICS code?

gish SEIDEN LLP's NAICS code is 5412 (Accounting, Tax Preparation, Bookkeeping, and Payroll Services).

AccountingCalifornia, United States11-50 Employees

gish SEIDEN LLP is a California-based accounting and advisory firm that provides strategic business support beyond standard tax work. Its client base includes family-owned businesses and entrepreneurs with operations in the United States and abroad, and the firm aims to help them navigate a complex business landscape. The team develops tailored strategies to help clients manage their financial future. With a history spanning more than seven decades, gish SEIDEN has developed in-depth knowledge across industries such as craft breweries, dealerships, hospitality, manufacturing and distribution, professional services, and real estate. The firm relies on a collaborative, team-based approach, bringing together professionals in advisory, accounting, and tax to provide integrated service. It is a member of Nexia and operates from Woodland Hills, California.

Company Overview

Phone number: +1-818-854-****
Website: gishseiden.com
SIC Code: 8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code: 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded: 1942
Employees: 11-50