Insights

Niche Tax Services Small firm with 2-10 employees and full-service tax and accounting capabilities suggests strong potential for outbound outreach focusing on personalized, high-touch services to individual and small business clients in St. Charles MO and nearby markets.

Midmarket Revenue Revenue range of $1M–$10M indicates the firm is scale-ready for additional tax planning, payroll, and estate/trust services, presenting opportunities for upsell of advisory and compliance packages to existing clients and referrals.

Tech Stack Fit Reliance on standard web and open-source technologies (PHP, Apache, Debian, jQuery) alongside analytics and fonts suggests openness to modernization projects, cloud-based practice management, or secure client portals that appeal to growth-focused clients.

Competitive Position Operating in a space with large players (H&R Block, TaxAct, PwC Tax) but a much smaller team creates a marketing angle around personalized service, trusted advisor relationships, and flexible pricing for individuals and small businesses.

Growth Opportunities Recent expansion opportunities appear aligned with expanding services to IRS/state problem resolution, estates and trusts, and payroll/accounting for small businesses—present cross-sell and upsell avenues to both existing clients and prospects seeking full-service tax support.

Similar companies to CSL Tax Advisors, LLC

CSL Tax Advisors, LLC Tech Stack

CSL Tax Advisors, LLC uses 8 technology products and services including Font Awesome, Google Fonts API, jQuery, and more. Explore CSL Tax Advisors, LLC's tech stack below.

  • Font Awesome
    Font Scripts
  • Google Fonts API
    Font Scripts
  • jQuery
    Javascript Libraries
  • UPS
    Logistics
  • Debian
    Operating Systems
  • PHP
    Programming Languages
  • Piwik
    System Analytics & Monitoring
  • Apache HTTP Server
    Web Servers

CSL Tax Advisors, LLC's Email Address Formats

CSL Tax Advisors, LLC uses at least 1 format(s):
CSL Tax Advisors, LLC Email FormatsExamplePercentage
First@csltax.comJohn@csltax.com
100%

Frequently Asked Questions

What is CSL Tax Advisors, LLC's phone number?

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You can contact CSL Tax Advisors, LLC'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 CSL Tax Advisors, LLC's official website and social media links?

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CSL Tax Advisors, LLC's official website is csltax.com and has social profiles on LinkedIn.

How much revenue does CSL Tax Advisors, LLC generate?

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As of July 2026, CSL Tax Advisors, LLC's annual revenue is estimated to be $1M - $10M.

What is CSL Tax Advisors, LLC's NAICS code?

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CSL Tax Advisors, LLC's NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does CSL Tax Advisors, LLC have currently?

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As of July 2026, CSL Tax Advisors, LLC has approximately 4 employees across 1 continents, including North America. Key team members include Tax Assistant: L. C.Tax Office Receptionist: K. W.. Explore CSL Tax Advisors, LLC's employee directory with LeadIQ.

What industry does CSL Tax Advisors, LLC belong to?

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CSL Tax Advisors, LLC operates in the Accounting industry.

What technology does CSL Tax Advisors, LLC use?

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CSL Tax Advisors, LLC's tech stack includes Font AwesomeGoogle Fonts APIjQueryUPSDebianPHPPiwikApache HTTP Server.

What is CSL Tax Advisors, LLC's email format?

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CSL Tax Advisors, LLC's email format typically follows the pattern of First@csltax.com. Find more CSL Tax Advisors, LLC email formats with LeadIQ.

When was CSL Tax Advisors, LLC founded?

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CSL Tax Advisors, LLC was founded in 1987.
CSL Tax Advisors, LLC logo

CSL Tax Advisors, LLC

AccountingMissouri, United States2-10 Employees

CSL Tax Advisors, LLC is a small accounting practice based in St. Charles, Missouri. It provides a full range of tax and accounting services for individuals and businesses, covering individual income tax return preparation, business tax compliance, payroll, and general accounting support. The firm also assists clients with resolving tax issues with the Internal Revenue Service and state authorities, and it prepares tax returns for estates and trusts. Operating in the accounting field, CSL Tax Advisors positions itself as a local resource for clients seeking comprehensive tax planning, compliance, and problem resolution. The company serves a mix of individual and business clients in the St. Charles area, delivering services that address both routine filing needs and more complex tax situations.

Section iconCompany Overview

Phone number
Website
csltax.com
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1987
Employees
2-10

Section iconFunding & Financials

  • $1M - $10M

    CSL Tax Advisors, LLC's revenue is estimated to be in the range of $1M - $10M

Section iconFunding & Financials

  • $1M - $10M

    CSL Tax Advisors, LLC's revenue is estimated to be in the range of $1M - $10M

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