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Your Trusted Accounting Partner in Calabasas, CA
At GSC, Certified Public Accountants, we have built a reputation as a leading accounting firm serving individuals and businesses across Southern California. Our team combines deep expertise in tax management, financial planning, and assurance services with a commitment to personalized client attention. With decades of collective experience, our seasoned professionals deliver tailored solutions that address both immediate needs and long-term financial goals. We prioritize transparency, ethical practices, and continuous education to stay ahead of evolving tax regulations and industry standards. Our mission is to empower clients through strategic financial guidance, ensuring they achieve stability and growth in a complex economic landscape.

By fostering trust and maintaining rigorous quality standards, we have earned the loyalty of our client base, many of whom have relied on our services for over 20 years. Our approach emphasizes collaboration, proactive problem-solving, and a thorough understanding of each client's unique circumstances. This dedication to excellence has solidified our position as a respected authority in the accounting profession within the region.
Services
Tax Management Audits IRS Representation Financial Projections Cash Flow Analysis Entity Restructuring Budgeting Financial Planning Accounting Services Assurance Services
Highlights and features
  • We offer over 20 years of experience in accounting and tax advisory services.
  • Our team includes seasoned Certified Public Accountants with specialized industry knowledge.
  • We provide tailored financial strategies to meet each client's unique needs.
  • Our commitment to ethical standards ensures transparent and reliable service delivery.
  • We maintain rigorous quality controls for all audit and assurance engagements.
Associations and certifications
  • Certified Public Accountants (CPA)
Services
Tax Management Services
Our Tax Management Services help clients navigate complex tax regulations while minimizing liabilities. We provide strategic planning, compliance solutions, and audit support for individuals and businesses. Our team stays current with evolving tax laws to ensure optimal financial outcomes.
Audits, Reviews, and Compilation
We offer three assurance levels for financial statements: audits, reviews, and compilations. These services verify data accuracy, enhance credibility with stakeholders, and support informed decision-making for businesses of all sizes.
IRS Representation
Our IRS Representation service provides expert advocacy during tax audits. We handle communications with tax authorities, resolve disputes, and ensure compliance while protecting clients' interests throughout the process.
Cash Flow Analysis
This service optimizes business liquidity through detailed cash flow tracking and forecasting. We develop customized budgeting strategies to improve financial stability and support sustainable growth for our clients.
Entity Selection and Restructuring
We advise on optimal business entity choices and restructuring strategies. Our guidance helps clients maximize tax benefits, reduce liabilities, and align legal structures with long-term business objectives.
People
Charles (Chuck) T. McCann
Shareholder
Charles McCann is a seasoned CPA with extensive experience in accounting and financial advisory services. He specializes in providing strategic guidance to businesses and individuals across various industries.
Alex Rade
Shareholder
Alex Rade brings significant expertise in tax compliance and financial planning to GSC. As a CPA, he focuses on delivering tailored solutions that address complex financial challenges for clients.
Questions
What accounting services do you offer?
We provide tax planning, audits, financial projections, IRS representation, and cash flow analysis for individuals and businesses in Southern California.
How can you help with tax audits?
Our experienced CPAs represent clients during IRS audits, ensuring compliance and advocating for favorable outcomes through expert documentation and communication.
Do you serve businesses outside Calabasas?
Yes, we serve clients throughout Southern California while maintaining our Calabasas office as our primary location.
What sets your firm apart?
Our combination of technical expertise, personalized service, and commitment to continuous professional development distinguishes us from other accounting firms.
Are your services available year-round?
We offer year-round accounting support, including tax planning, financial reporting, and advisory services to help businesses maintain compliance and growth.