Insights

Growth potential Mid-market accounting firm with 11-50 employees and revenue between $50M-$100M presents opportunities for expanded advisory services, client profitability optimization, and succession planning as they scale.

Technology use Adoption of cloud and modern web technologies (Cloudflare, JSON-LD, jQuery, Swiper, reCAPTCHA, Google Tag Manager, Bootstrap, HTTP/3) suggests openness to digital tools and upgraded client portals, data security enhancements, and automated reporting solutions.

Client lifecycle Brand positioning around 'Accounting for Life' indicates a holistic, personal financial planning angle that can be paired with business advisory, treasury management, and wealth/asset structuring services for clients across life stages.

Market positioning Comparable peers include large firms with broad capabilities; opportunities exist to differentiate through personalized service, niche industries, or regional expertise to capture share from mid-tier market segments seeking intimacy of a smaller firm with robust capabilities.

Expansion opportunities Regional presence in Napa and growth signals imply potential for client acquisition in nearby SMBs, family-owned businesses, and high-net-worth individuals needing integrated tax, audit, and advisory services.

G & J Seiberlich & Co LLP Tech Stack

G & J Seiberlich & Co LLP uses 8 technology products and services including Cloudflare, JSON-LD, jQuery, and more. Explore G & J Seiberlich & Co LLP's tech stack below.

  • Cloudflare
    Content Management System
  • JSON-LD
    Javascript Frameworks
  • jQuery
    Javascript Libraries
  • Swiper
    Javascript Libraries
  • reCAPTCHA
    Security
  • Google Tag Manager
    Tag Management
  • Bootstrap
    UI Frameworks
  • HTTP/3
    Web & Portal Technology

G & J Seiberlich & Co LLP's Email Address Formats

G & J Seiberlich & Co LLP uses at least 2 format(s):
G & J Seiberlich & Co LLP Email FormatsExamplePercentage
First@gjscollp.comJohn@gjscollp.com
55%
First.Last@gjscollp.comJohn.Doe@gjscollp.com
30%
Last@gjscollp.comDoe@gjscollp.com
10%
FirstL@gjscollp.comJohnD@gjscollp.com
5%

Frequently Asked Questions

What is G & J Seiberlich & Co LLP's phone number?

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You can contact G & J Seiberlich & Co LLP's main corporate office by phone at . 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 G & J Seiberlich & Co LLP's official website and social media links?

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G & J Seiberlich & Co LLP's official website is www.gjs.cpa and has social profiles on LinkedIn.

How much revenue does G & J Seiberlich & Co LLP generate?

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As of August 2026, G & J Seiberlich & Co LLP's annual revenue is estimated to be $50M - $100M.

What is G & J Seiberlich & Co LLP's SIC code NAICS code?

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G & J Seiberlich & Co LLP's SIC code is 7389 - Business Services, Not Elsewhere Classified NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does G & J Seiberlich & Co LLP have currently?

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As of August 2026, G & J Seiberlich & Co LLP has approximately 40 employees across 1 continents, including North America. Key team members include President: C. B.Partner: A. A.Partner: J. T.. Explore G & J Seiberlich & Co LLP's employee directory with LeadIQ.

What industry does G & J Seiberlich & Co LLP belong to?

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G & J Seiberlich & Co LLP operates in the Accounting industry.

What technology does G & J Seiberlich & Co LLP use?

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G & J Seiberlich & Co LLP's tech stack includes CloudflareJSON-LDjQuerySwiperreCAPTCHAGoogle Tag ManagerBootstrapHTTP/3.

What is G & J Seiberlich & Co LLP's email format?

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G & J Seiberlich & Co LLP's email format typically follows the pattern of First@gjscollp.com. Find more G & J Seiberlich & Co LLP email formats with LeadIQ.

When was G & J Seiberlich & Co LLP founded?

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G & J Seiberlich & Co LLP was founded in 1950.
G & J Seiberlich & Co LLP logo

G & J Seiberlich & Co LLP

AccountingCalifornia, United States11-50 Employees

G & J Seiberlich & Co LLP is an accounting firm based in Napa, California, offering services that focus on managing income, business activity, and financial assets to help clients pursue long-term financial goals. The firm emphasizes a holistic view of life stages and how money flows through earning, spending, and saving, aiming to support clients in achieving a stable financial foundation. Serving individuals and small to mid-sized businesses, the practice positions itself within the accounting industry by addressing the financial planning and asset management needs that accompany various life milestones. Located in the Napa area, the firm operates with a regional footprint and provides personalized, life-centered accounting support. The description reflects a professional emphasis on helping clients align their financial decisions with their broader life objectives. An identified recent development is the firm’s ongoing engagement in its core accounting and financial advisory services within the local market.

Section iconCompany Overview

Phone number
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1950
Employees
11-50

Section iconFunding & Financials

  • $50M - $100M

    G & J Seiberlich & Co LLP's revenue is estimated to be in the range of $50M - $100M

Section iconFunding & Financials

  • $50M - $100M

    G & J Seiberlich & Co LLP's revenue is estimated to be in the range of $50M - $100M

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