Insights

Growing Market Presence Stephano Slack LLC has demonstrated rapid growth and market expansion, including mergers with firms like Boyer & Boyer and Kimmel, Lorah & Associates, as well as recent office expansions in the Philadelphia and Delaware regions. This indicates increasing demand for comprehensive accounting services within its target middle-market segment, presenting opportunities for tailored service offerings.

Recognition and Awards The company has received notable industry recognition, including being named one of Accounting Today's Fastest-Growing Firms of 2026 and winning the Silver 'Philly Favorites' Award for Best Accounting Firm in 2025. Such accolades suggest a strong market reputation and credibility that can be leveraged to attract high-value clients seeking reputable accounting partnerships.

Technological Efficiency Utilizing a modern tech stack such as QuickBooks, Cloudflare, MySQL, and Adobe Fonts, Stephano Slack emphasizes technological efficiency and data security. This focus on technology adoption signals potential for engaging clients interested in innovative accounting solutions and digital transformation services.

Client-Centric Approach The firm’s commitment to providing timely, reliable financial information and creative tax and business advice positions it as a trusted partner for privately owned middle-market companies. Selling value-driven services like financial advisory, compliance, or cloud-based accounting systems aligns well with their client-focused approach.

Strategic Partnerships Recent collaboration with Appluent Business Solutions and expansion into new geographic markets reveal a strategic focus on innovative digital partnerships and regional growth. Opportunities exist to offer specialized services in digital transformation, ERP integrations, or industry-specific solutions to help clients optimize their operations.

Stephano Slack LLC Tech Stack

Stephano Slack LLC uses 8 technology products and services including UserWay, QuickBooks, Cloudflare, and more. Explore Stephano Slack LLC's tech stack below.

  • UserWay
    Accessibility
  • QuickBooks
    Accounting And Finance
  • Cloudflare
    Content Management System
  • MySQL
    Database
  • Twemoji
    Font Scripts
  • Microsoft
    Miscellaneous
  • Adobe Fonts
    Web Fonts
  • Nginx
    Web Servers

Media & News

Stephano Slack LLC's Email Address Formats

Stephano Slack LLC uses at least 1 format(s):
Stephano Slack LLC Email FormatsExamplePercentage
FLast@stephanoslack.comJDoe@stephanoslack.com
89%
First.Last@stephanoslack.comJohn.Doe@stephanoslack.com
8%
Last@stephanoslack.comDoe@stephanoslack.com
2%
LFirst@stephanoslack.comDJohn@stephanoslack.com
1%

Frequently Asked Questions

Where is Stephano Slack LLC's headquarters located?

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Stephano Slack LLC's main headquarters is located at 125 Strafford Avenue Wayne, Pennsylvania 19087 United States. The company has employees across 4 continents, including North AmericaAsiaAfrica.

What is Stephano Slack LLC's phone number?

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You can contact Stephano Slack 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 Stephano Slack LLC's official website and social media links?

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Stephano Slack LLC's official website is stephanoslack.com and has social profiles on LinkedIn.

How much revenue does Stephano Slack LLC generate?

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As of February 2026, Stephano Slack LLC's annual revenue is estimated to be $7M.

What is Stephano Slack LLC's SIC code NAICS code?

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Stephano Slack LLC'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 Stephano Slack LLC have currently?

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As of February 2026, Stephano Slack LLC has approximately 111 employees across 4 continents, including North AmericaAsiaAfrica. Key team members include Chief Financial Officer: T. C.Partner: M. S.Partner: J. F.. Explore Stephano Slack LLC's employee directory with LeadIQ.

What industry does Stephano Slack LLC belong to?

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Stephano Slack LLC operates in the Accounting industry.

What technology does Stephano Slack LLC use?

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Stephano Slack LLC's tech stack includes UserWayQuickBooksCloudflareMySQLTwemojiMicrosoftAdobe FontsNginx.

What is Stephano Slack LLC's email format?

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Stephano Slack LLC's email format typically follows the pattern of FLast@stephanoslack.com. Find more Stephano Slack LLC email formats with LeadIQ.

Stephano Slack LLC

AccountingPennsylvania, United States51-200 Employees

Stephano Slack is a regional CPA firm specializing in middle-market companies. Our commitment is to provide privately owned businesses with timely, reliable financial information, as well as creative business and tax advice necessary to achieve their goals. 

2022 Awards
Philadelphia Business Journal Best Places to Work 2022
Philadelphia Inquirer Top Workplaces 2022

Section iconCompany Overview

Headquarters
125 Strafford Avenue Wayne, Pennsylvania 19087 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 iconFunding & Financials

  • $100M$250M

    Stephano Slack LLC's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    Stephano Slack LLC's revenue is estimated to be in the range of $100M$250M

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