Business Details
50+ Years
experience
Certified Public Accountants Serving Chatsworth and Beyond
Founded in 1975, Dalton Mathias & Deever, CPAs has established itself as a trusted leader in accounting, taxation, and financial consulting. Our firm combines decades of industry experience with a personalized approach, serving clients across Southern California, the United States, and internationally. Our team of certified professionals, including partners with Big 4 accounting firm backgrounds, delivers tailored solutions for individuals and businesses of all sizes. We prioritize client relationships, treating every client like family while maintaining the highest standards of expertise and integrity.With five professional staff members and four office locations, we provide accessible, reliable service backed by continuous adaptation to evolving financial regulations and technologies. Our commitment to excellence is reflected in long-term client partnerships, some spanning over 20 years, and recognition as QuickBooks Certified Pro Advisers. From tax preparation to business consulting, we empower clients with actionable insights and comprehensive financial strategies.
Services
Individual Taxation
Business Taxation
Financial Statements
Bookkeeping Services
Payroll Processing
QuickBooks Support
Tax Consulting
Financial Planning
Details
- Year established: 1975
Highlights and features
- We have over 45 years of accounting experience since 1975
- Our partners include former Big 4 accounting firm professionals
- QuickBooks Certified Pro Advisers for software integration expertise
- Personalized approach tailored to individual client circumstances
- Served international clients with multi-jurisdictional tax expertise
What people say
Never regretted it
Sound business management
Experience and know-how
Personal atmosphere
Greatest service
Services
Individual Taxation
We prepare and file personal tax returns for residents and non-residents with complex financial situations. Our CPAs ensure compliance with federal, state, and international tax regulations while maximizing deductions. Clients benefit from our expertise in handling unique circumstances like cross-border income and investment portfolios.
Business Taxation
Our firm handles business tax returns for corporations, partnerships, and LLCs of all sizes. We specialize in multi-state tax compliance, entity selection, and tax-saving strategies. Businesses receive proactive advice on quarterly estimates and year-end planning to minimize liabilities.
QuickBooks Support
As QuickBooks Certified Pro Advisers, we offer system setup, data cleanup, and ongoing support for businesses using QuickBooks. Our services ensure accurate financial tracking and reporting while optimizing software features for small to mid-sized companies.
Financial Consulting
We provide strategic financial guidance for business growth, cash flow management, and systems design. Our consulting services help clients implement effective accounting processes and make data-driven decisions for long-term success.
Payroll Processing
Our comprehensive payroll services include wage calculations, tax withholding, and regulatory compliance. Businesses receive accurate, timely payroll processing with year-round support for tax filings and year-end reporting requirements.
People
Craig R. Mathias
Partner
CPA and CGMA with Big 4 audit experience, 14-year CSUN faculty member, and tax section member of AICPA. Specializes in accounting systems and business taxation.
Terry D. Deever
Partner
CPA and CFP with 25+ years in public accounting, specializing in tax planning and financial systems. Holds securities representative registration and business advisory expertise.
Sanaz Aminian
Senior Staff Accountant
Enrolled Agent with extensive accounting experience, holding business administration degree and EA certification since 2022. Provides expert tax preparation and advisory services.
R. Curtis Dalton
Founding Partner
CPA and firm founder (1975-2005) with Big 4 tax division background. Established firm's core values of knowledge, fortitude, honesty, and vision that continue guiding operations.
Monica Carr
Office Manager
Key administrative leader managing office operations and client communications. Coordinates scheduling and serves as primary contact for client service coordination.
Questions
What accounting services do you offer?
We provide individual and business tax preparation, financial statements, bookkeeping, payroll, QuickBooks support, and financial consulting.
Do you serve clients outside Southern California?
Yes, we serve clients throughout California, the United States, and internationally from our Southern California offices.
How experienced is your team?
Our partners have over 45 combined years of experience, including former Big 4 accounting firm professionals and QuickBooks Certified Advisers.
What tax updates should clients know about?
We track critical changes like SALT limitations, retirement distribution rules, and corporate transparency requirements affecting our clients.
