Main Street Accountancy Inc.
Offering high-quality accounting, taxation, and bookkeeping services at budget-friendly prices, Main Street Accountancy is the first choice for small businesses.
Established in 2015, Main Street Accountancy, Inc. is a professional corporation and licensed as a certified public accountancy corporation by California Board of Accountancy.
Company Profile
Main Street Accountancy was launched to serve the small businesses and entrepreneurs who are the backbone of the US economy. Located at the heart of Silicon Valley, you may think that like every other CPAs, the focus is always on those multi-million high-tech firms. However, Main Street Accounting is different, focused on the needs and budgets of small businesses just like yours, we are dedicated to the unique needs of small businesses in California today.
Our service leverages the latest digital technology to deliver highly secure, cloud-based solutions with convenient online access and rapid turnaround.
While you stay focused on growing your business, we’ll handle your accounting with precision, speed, and care.
Bringing deep experience and meticulous attention to detail, the team at Main Street Accountancy is committed to delivering exceptional service, accurate and effective work, and the comprehensive support you deserve.
Whether you're just starting out or seeking a trusted CPA to guide you toward your next business milestone, we're here to help.
As of today, we serve over 250 small business clients, offering a tailored range of services to meet each business’s unique needs.
With a proven track record spanning more than 12 years, we assist hundreds of individuals and families each year in electronically filing their returns—saving thousands of dollars in taxes while safeguarding their hard-earned income.
We proudly uphold the AICPA Code of Professional Conduct and comply with all applicable laws, regulations, and professional standards.
Our Mission
Our mission is to deliver high-quality, trusted accounting and tax services at value-driven pricing—while upholding the highest standards of customer service, accuracy, and discretion.
We are committed to helping our clients navigate financial complexities with confidence, building lasting relationships through integrity, responsiveness, and personalized support.
Core Values
Respect
Trust
Quality
Integrity
We conduct every client interaction with honesty, fairness, and the highest ethical standards. Trust is the foundation of everything we do.
We uphold the highest standards in every aspect of our work, delivering precise, reliable service that our clients can count on.
We stand by our word and honor our commitments, building lasting relationships through transparency and reliability.
We value every client, treating each individual with dignity, professionalism, and genuine care.
Meet Our Principals
Sophia Le
CPA, Founder
Sophia, CPA and founder of Main Street Accountancy, brings extensive experience in accounting for businesses of all sizes—including global corporations like ExxonMobil. With a deep understanding of the unique challenges faced by entrepreneurs and small business owners, she launched Main Street Accountancy in 2015 to serve and uplift the small business community and working-class families.
Sophia is known for her meticulous attention to detail and her commitment to delivering exceptional service. Beyond providing expert tax and accounting solutions, she is passionate about educating and empowering clients to reach their full potential.
As the head of our firm’s tax and accounting services, Sophia ensures every client receives personalized, high-quality support rooted in integrity and care.
Thinh Nguyen
MBA, EA
From cash flow analysis to tailored financing solutions, Thinh has provided strategic support and guidance to a wide range of business banking clients. He now brings that insight, expertise, and financial acumen to Main Street Accountancy, where he continues to serve entrepreneurs and small businesses with dedication and precision.
As a seasoned tax advisor, Thinh leverages his extensive experience and deep knowledge of tax law—gained through years of dedicated research—to offer thoughtful guidance and personalized solutions. He’s always ready to answer your questions and help you navigate complex tax issues with clarity and confidence, while upholding the firm’s core values of quality, transparency, and excellence.
Thinh oversees payroll and bookkeeping services, and leads the preparation of business tax returns as well as specialty tax returns, including trust and estate returns, forms 5500 series for retirement plans, R&D credit, cost segregation, etc.
His commitment to empowering clients through education and expert service is at the heart of everything he does.