Insights

Strong Industry Legacy With over 75 years of experience and being one of the oldest CPA firms in Southern California, Diehl Evans & Co. has built a solid reputation in accounting, especially in real estate taxation and governmental audits. This longevity and expertise position them as a reliable partner for complex finance and compliance services.

Expanding Service Portfolio The firm has diversified beyond traditional accounting into auditing and consulting across multiple industries and government agencies, offering opportunities to introduce advanced financial technology solutions and advisory services to enhance their current offerings.

Mid-Size Growth Potential Operating with a team of 51-200 employees and generating revenues between 1 million and 10 million dollars, the company presents a significant growth opportunity for scalable accounting and financial management solutions tailored for mid-sized firms.

Technological Infrastructure Utilizing a tech stack that includes PHP, MySQL, Bootstrap, and other web-related technologies, there is potential for adding innovative cloud-based accounting tools, automation, and data analytics platforms to improve efficiency and client engagement.

Market Expansion Opportunities Given their deep client base in Orange County and their expertise in real estate and government sectors, targeted sales efforts in emerging regional markets or sectors like public sector finance, real estate tech, or compliance automation could drive further growth.

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Diehl Evans & Co., LLP Tech Stack

Diehl Evans & Co., LLP uses 8 technology products and services including RSS, WordPress, MySQL, and more. Explore Diehl Evans & Co., LLP's tech stack below.

  • RSS
    Content Management System
  • WordPress
    Content Management System
  • MySQL
    Database
  • NameBright
    Domain Name Services
  • JSON-LD
    Javascript Frameworks
  • jQuery Migrate
    Javascript Libraries
  • Bootstrap
    UI Frameworks
  • TouchSwipe
    Web Tools And Plugins

Media & News

Diehl Evans & Co., LLP's Email Address Formats

Diehl Evans & Co., LLP uses at least 1 format(s):
Diehl Evans & Co., LLP Email FormatsExamplePercentage
FirstL@diehlevans.comJohnD@diehlevans.com
100%

Frequently Asked Questions

Where is Diehl Evans & Co., LLP's headquarters located?

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Diehl Evans & Co., LLP's main headquarters is located at 5 Corporate Park Suite 100 Irvine, California 92606 United States. The company has employees across 1 continents, including North America.

What is Diehl Evans & Co., LLP's phone number?

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You can contact Diehl Evans & 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 Diehl Evans & Co., LLP's official website and social media links?

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Diehl Evans & Co., LLP's official website is diehlevans.com and has social profiles on LinkedIn.

What is Diehl Evans & Co., LLP's SIC code NAICS code?

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Diehl Evans & Co., LLP's SIC code is 8721 - Accounting, Auditing, and Bookkeeping Services NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does Diehl Evans & Co., LLP have currently?

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As of February 2026, Diehl Evans & Co., LLP has approximately 51 employees across 1 continents, including North America. Key team members include Accounting Staff: D. F.Administrator: L. B.. Explore Diehl Evans & Co., LLP's employee directory with LeadIQ.

What industry does Diehl Evans & Co., LLP belong to?

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Diehl Evans & Co., LLP operates in the Accounting industry.

What technology does Diehl Evans & Co., LLP use?

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Diehl Evans & Co., LLP's tech stack includes RSSWordPressMySQLNameBrightJSON-LDjQuery MigrateBootstrapTouchSwipe.

What is Diehl Evans & Co., LLP's email format?

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Diehl Evans & Co., LLP's email format typically follows the pattern of FirstL@diehlevans.com. Find more Diehl Evans & Co., LLP email formats with LeadIQ.

Diehl Evans & Co., LLP

AccountingCalifornia, United States51-200 Employees

Diehl Evans & Co., LLP is an accounting firm based in Irvine, California, at 5 Corporate Park Suite 100, Irvine, California 92606. The firm employs between 51 and 200 people. Founded in the 1920s in Santa Ana, the firm became Diehl, Evans and Company in 1954 and is described as one of the oldest CPA firms in Southern California. It developed expertise in real estate taxation and accounting in Orange County and has since expanded to offer auditing and consulting services to clients across multiple industries, including governmental agencies. Reported revenue is in the range of $1 million to $10 million.

Section iconCompany Overview

Headquarters
5 Corporate Park Suite 100 Irvine, California 92606 United States
Phone number
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Employees
51-200

Section iconMedia & News

Section iconFunding & Financials

  • $1M$10M

    Diehl Evans & Co., LLP's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    Diehl Evans & Co., LLP's revenue is estimated to be in the range of $1M$10M

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