Insights

Auditing Expansion LSL CPAs LLP shows strong audit and attestation services within a sizable regional market and recently engaged with an AI-powered platform to transform financial audit delivery, signaling openness to scalable, tech-enabled audit offerings that could be complemented with additional automation and analytics services.

Tech Adoption Active use of a modern tech stack including Fieldguide for AI-driven audit delivery, Google Ads, HubSpot Analytics and Microsoft 365 indicates a readiness to leverage digital tools. This creates opportunities to cross-sell data analytics, CRM optimization, marketing analytics, or cloud-based compliance solutions to current clients.

Growth Potential With revenue in the 100M–250M range and a workforce of 51–200, LSL CPAs LLP sits between mid-size and large regional firms, presenting a target for advisory, tax planning, and managed services aimed at growing mid-market clients and government/non-profit entities in need of scalable accounting and governance solutions.

Diverse Clientele Serving businesses, governments and nonprofits across multiple industries, LSL’s diversified client base offers cross-selling opportunities for industry-specific advisory, risk management, and compliance programs, as well as potential efficiency improvements through shared services and benchmarking.

Regional Leadership As one of the largest CPA firms headquartered in Orange County with peer-review capabilities, LSL can be a partner for multi-location or regional expansion for clients seeking reputable assurance, internal controls enhancements, and strategic financial planning coupled with scalable audit and tax services.

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LSL, LLP Tech Stack

LSL, LLP uses 8 technology products and services including Google Ads, HubSpot Analytics, Microsoft Clarity, and more. Explore LSL, LLP's tech stack below.

LSL, LLP's Email Address Formats

LSL, LLP uses at least 4 email formats:
LSL, LLP Email FormatsExamplePercentage
First.Last@lslcpas.comJohn.Doe@lslcpas.com
93%
Last@lslcpas.comDoe@lslcpas.com
5%
FLast@lslcpas.comJDoe@lslcpas.com
1%
Fir.Last@lslcpas.comJoh.Doe@lslcpas.com
1%

Frequently Asked Questions

What is LSL, LLP's phone number?

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You can contact LSL, 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 LSL, LLP's official website and social media links?

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LSL, LLP's official website is lslcpas.com and has social profiles on LinkedIn.

How much revenue does LSL, LLP generate?

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As of October 2026, LSL, LLP's annual revenue is estimated to be $100M - $250M.

What is LSL, LLP's SIC code and NAICS code?

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LSL, 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 LSL, LLP have currently?

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As of October 2026, LSL, LLP has approximately 186 employees across 2 continents, including North America and Africa. Key team members include Partner - Assurance & Advisory: C. S., Partner: A. T. and Partner: D. H. Explore LSL, LLP's employee directory with LeadIQ.

What industry does LSL, LLP belong to?

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LSL, LLP operates in the Accounting industry.

What technology does LSL, LLP use?

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LSL, LLP's tech stack includes Google Ads, HubSpot Analytics, Microsoft Clarity, WordPress, CookieYes, WooCommerce, Microsoft 365 and Vimeo.

What is LSL, LLP's email format?

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LSL, LLP's email format typically follows the pattern of First.Last@lslcpas.com. Find more LSL, LLP email formats with LeadIQ.

When was LSL, LLP founded?

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LSL, LLP was founded in 1929.
LSL, LLP logo

LSL, LLP

AccountingCalifornia, United States51-200 Employees

LSL CPAs is an accounting firm based in Irvine, California, operating across the United States. The firm delivers comprehensive tax, audit, consulting, advisory, and accounting services with industry-specific expertise for businesses, governments, and non-profits.

It serves a nationwide client base and has the capacity to work with larger organizations while keeping a personal, attentive engagement. The firm emphasizes continuity by maintaining a consistent team of advisers, including both senior and emerging leaders, and maintains high professional standards demonstrated by its ability to conduct peer reviews of other CPA firms. In April 2026, Fieldguide Inc. signed LSL CPAs LLP as a new client, with LSL selecting Fieldguide to transform its financial audit delivery using an AI-powered platform.

Section iconCompany Overview

Phone number
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1929
Employees
51-200

Section iconFunding & Financials

  • $100M - $250M

    LSL, LLP's revenue is estimated to be in the range of $100M - $250M

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