Insights

Growth through merger LTSP recently merged into Marcum's California region, indicating potential access to a larger national client base and cross-sell opportunities for expanded assurance, tax, and advisory services.

Mid market focus With a revenue range of 1 to 10 million and 11-50 employees, LTSP sits in the mid-market segment, presenting a strong opportunity to offer scalable accounting, CFO advisory, and integration services for growing privately held firms.

Local dominance LTSP is positioned as a top public accounting firm in Orange County, suggesting familiarity with regional regulations and networks that can be leveraged to win multi-firm competitive bids and regional project work.

Digital footprint Tech stack includes Drupal, Shopify, Google Analytics, and modern JS libraries, indicating openness to digital transformation projects, data analytics, website monetization, and e-commerce enablement for clients.

Strategic partnerships Recent news about Marcum partnership signals potential for collaboration on cross-sell opportunities, combined service offerings, and referrals to accelerate client acquisition for both firms.

Lesley, Thomas, Schwarz & Postma Tech Stack

Lesley, Thomas, Schwarz & Postma uses 8 technology products and services including Fusion Ads, Google Hosted Libraries, Drupal, and more. Explore Lesley, Thomas, Schwarz & Postma's tech stack below.

  • Fusion Ads
    Advertising
  • Google Hosted Libraries
    Content Delivery Network
  • Drupal
    Content Management System
  • Shopify
    E-commerce
  • Font Awesome
    Font Scripts
  • jQuery
    Javascript Libraries
  • Lodash
    Javascript Libraries
  • Google Analytics
    Web Analytics

Lesley, Thomas, Schwarz & Postma's Email Address Formats

Lesley, Thomas, Schwarz & Postma uses at least 1 format(s):
Lesley, Thomas, Schwarz & Postma Email FormatsExamplePercentage
FLast@ltsp-cpa.comJDoe@ltsp-cpa.com
81%
Last@ltsp-cpa.comDoe@ltsp-cpa.com
12%
First.Last@ltsp-cpa.comJohn.Doe@ltsp-cpa.com
3%
LastF@ltsp-cpa.comDoeJ@ltsp-cpa.com
4%

Frequently Asked Questions

What is Lesley, Thomas, Schwarz & Postma's phone number?

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You can contact Lesley, Thomas, Schwarz & Postma'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 Lesley, Thomas, Schwarz & Postma's official website and social media links?

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Lesley, Thomas, Schwarz & Postma's official website is ltsp-cpa.com and has social profiles on LinkedIn.

How much revenue does Lesley, Thomas, Schwarz & Postma generate?

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As of July 2026, Lesley, Thomas, Schwarz & Postma's annual revenue is estimated to be $1M - $10M.

What is Lesley, Thomas, Schwarz & Postma's SIC code NAICS code?

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Lesley, Thomas, Schwarz & Postma'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 Lesley, Thomas, Schwarz & Postma have currently?

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As of July 2026, Lesley, Thomas, Schwarz & Postma has approximately 36 employees across 3 continents, including North AmericaAfricaEurope. Key team members include Tax Manager: M. J.Tax Manager: M. A.Audit Staff: D. B.. Explore Lesley, Thomas, Schwarz & Postma's employee directory with LeadIQ.

What industry does Lesley, Thomas, Schwarz & Postma belong to?

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Lesley, Thomas, Schwarz & Postma operates in the Accounting industry.

What technology does Lesley, Thomas, Schwarz & Postma use?

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Lesley, Thomas, Schwarz & Postma's tech stack includes Fusion AdsGoogle Hosted LibrariesDrupalShopifyFont AwesomejQueryLodashGoogle Analytics.

What is Lesley, Thomas, Schwarz & Postma's email format?

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Lesley, Thomas, Schwarz & Postma's email format typically follows the pattern of FLast@ltsp-cpa.com. Find more Lesley, Thomas, Schwarz & Postma email formats with LeadIQ.

When was Lesley, Thomas, Schwarz & Postma founded?

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Lesley, Thomas, Schwarz & Postma was founded in 1976.
Lesley, Thomas, Schwarz & Postma logo

Lesley, Thomas, Schwarz & Postma

AccountingCalifornia, United States11-50 Employees

Lesley, Thomas, Schwarz & Postma (LTSP, Inc.) operates as a full-service certified public accounting firm based in Newport Beach, California. The firm provides a broad range of customized accounting and advisory services aimed at solving business problems and supporting clients’ goals, grounded in experience, integrity, and professional commitment. Serving a diverse client base within Orange County, LTSP emphasizes professional excellence, timely service, and personal attention to meet each client’s unique needs, and is affiliated with the American Institute of Certified Public Accountants and the California Society of CPAs. In 2022, LTSP entered a partnership with and merged into Marcum’s California region, reflecting a notable development in its regional positioning within the accounting industry.

Section iconCompany Overview

Phone number
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1976
Employees
11-50

Section iconFunding & Financials

  • $1M - $10M

    Lesley, Thomas, Schwarz & Postma's revenue is estimated to be in the range of $1M - $10M

Section iconFunding & Financials

  • $1M - $10M

    Lesley, Thomas, Schwarz & Postma's revenue is estimated to be in the range of $1M - $10M

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