Insights

Boutique SMB Focus A small, California-based CPA firm serving small to medium-sized businesses and entities, presenting an opportunity to upsell bundled services such as attestation, tax planning, and advisory offerings to growing client companies seeking outsourced finance support.

Secure Collaboration Emphasis on secure portals and e‑mail for flexible timing and reduced travel, suggesting a value proposition for clients with remote or multi-location operations and a potential cross-sell of cloud-based bookkeeping, month-end close, and compliance services.

Technology Stack Current tech includes WordPress, Microsoft 365, Google Cloud, and analytics tooling; sales opportunities exist around modernizing clients’ tech stacks, workflow automation, data security, and integration for better financial reporting and compliance.

California Reach Target within California presents opportunities in state and local tax advisory, SSAE/SOC engagements, and industry-specific compliance for local businesses, potentially expanding services to regional nonprofits, professional services, and manufacturing SMEs.

Revenue Growth Potential With under $1M revenue and a lean team, there is room to scale through add-on services, recurring monthly retainers, and cross-sell to existing clients of similar firms in the network, including mid-market firms seeking outsourced attestations and financial statement services.

Similar companies to STEPHAN MUELLER, CPA

STEPHAN MUELLER, CPA Tech Stack

STEPHAN MUELLER, CPA uses 8 technology products and services including iCIMS, WordPress, Microsoft 365, and more. Explore STEPHAN MUELLER, CPA's tech stack below.

STEPHAN MUELLER, CPA's Email Address Formats

STEPHAN MUELLER, CPA uses at least 1 email format:
STEPHAN MUELLER, CPA Email FormatsExamplePercentage
Last@stevemuellertax.comDoe@stevemuellertax.com
100%

Frequently Asked Questions

What is STEPHAN MUELLER, CPA's official website and social media links?

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STEPHAN MUELLER, CPA's official website is stevemuellertax.com and has social profiles on LinkedIn.

How much revenue does STEPHAN MUELLER, CPA generate?

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As of August 2026, STEPHAN MUELLER, CPA's annual revenue is estimated to be <$1M.

What is STEPHAN MUELLER, CPA's SIC code and NAICS code?

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STEPHAN MUELLER, CPA'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 STEPHAN MUELLER, CPA have currently?

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As of August 2026, STEPHAN MUELLER, CPA has approximately 2 employees across 1 continents, including North America. Key team members include Owner: S. M. and Owner: S. M. Explore STEPHAN MUELLER, CPA's employee directory with LeadIQ.

What industry does STEPHAN MUELLER, CPA belong to?

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STEPHAN MUELLER, CPA operates in the Accounting industry.

What technology does STEPHAN MUELLER, CPA use?

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STEPHAN MUELLER, CPA's tech stack includes iCIMS, WordPress, Microsoft 365, Google Cloud, Floating UI, WP Engine, PHP and Piwik PRO Core.

What is STEPHAN MUELLER, CPA's email format?

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STEPHAN MUELLER, CPA's email format typically follows the pattern of Last@stevemuellertax.com. Find more STEPHAN MUELLER, CPA email formats with LeadIQ.

When was STEPHAN MUELLER, CPA founded?

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STEPHAN MUELLER, CPA was founded in 2011.
STEPHAN MUELLER, CPA logo

STEPHAN MUELLER, CPA

AccountingCalifornia, United States2-10 Employees

STEPHAN MUELLER, CPA is a boutique accounting firm based in Hayward, California, delivering attestation services, financial statement preparation, accounting, SSAE engagements, tax planning and compliance, and consulting for small and medium-sized businesses and other entities. The firm emphasizes accuracy, timeliness, and security in its work product and supports clients through collaborative processes that leverage secure portals and email to gather and process information, potentially increasing scheduling flexibility and reducing travel. Serving the California market, it positions itself as prioritizing public interest and client service, offering straightforward feedback and a forward-looking approach to engagements. The company operates with a small professional team and is situated in the Hayward area, focusing on professional services in the accounting industry.

Section iconCompany Overview

SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
2011
Employees
2-10

Section iconFunding & Financials

  • <$1M

    STEPHAN MUELLER, CPA's revenue is estimated to be in the range of <$1M

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