At Expert Controllers, we provide small and growing businesses with part-time, professional controller services that scale with your success. Our team specializes in cash flow management and financial reporting, giving you the back-office support you need to thrive.
Whether you're a partnership or a Management Service Organization, we help streamline your operations so you can focus on growth.
Part-time, scalable controller services
Specialization in cash flow management and financial reporting
Flexible service levels (Core, Professional, Executive)
Services
Bookkeeping & Payables Management
Handles day-to-day bookkeeping and accounts payable, from vendor invoices to reconciliations, maintaining clear financial records.
Payroll Setup & Administration
Manages payroll processing, reporting, and compliance using trusted third-party providers, ensuring accurate and timely payments.
Financial Statements & Reporting
Prepares clear, timely financial reports that inform decision-making and support growth.
Vendor & Insurance Liaison
Serves as the point of contact with banks, vendors, and insurance brokers, managing relationships and resolving issues.
HR Strategy & Staffing Recommendations
Provides insight on team structure, evaluates staffing needs, and recommends operational improvements as businesses grow.
M&A & Retirement Planning Support
Offers analysis on mergers and acquisitions, and helps review potential exit strategies.
Credentials & Certifications
Anthony Coroneos
Since 15 years
Theresa Walsh
Since 10 years
Ann Marie Leonard
Since 30+ years
Frequently Asked Questions
What types of businesses do you work with? +
We specialize in serving small to mid-sized service businesses with one or multiple locations, including dental and medical practices, law firms, and commercial landlords.
Do you offer part-time controller services? +
Yes, our services are designed to be flexible and scalable. We provide fractional controller support that grows with your business.
What accounting software do you use? +
We primarily use QuickBooks Online. We handle the setup and manage access, making it easy for you to stay informed and compliant.
Can you help with payroll? +
Absolutely. We coordinate payroll using trusted third-party providers and ensure all related regulations are followed.
How do you get started? +
We'll walk you through everything we need— from business registrations to software access, including bank and payroll logins. You can send bills via email or mail, and we take care of the rest.
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