Areas served: Sunnyvale, CA and surrounding Santa Clara County
Sunnyvale's accounting and tax landscape reflects the city's position in Silicon Valley, with practitioners serving both established tech companies and emerging startups alongside traditional small businesses. The concentration of software and hardware firms has created demand for specialists in equity compensation, R&D tax credits, and multi-state nexus issues. This directory catalogs licensed CPAs, enrolled agents, and tax preparation services throughout Sunnyvale, evaluated by professional credentials, industry expertise, and service capabilities.
Sunrise Tax Pro Services is a professional tax and accounting firm in San Jose, CA, led by principal Tomas Gonzalez. They specialize in comprehensive tax preparation and consulting for individuals and small businesses in Silicon Valley, with expertise in complex scenarios including Affordable Care Act compliance, startup taxation, payroll services, and audit representation. With a 4.9-star rating from 49 reviews, they serve the San Jose community with personalized service and extended weekday hours through 6:30 PM.
“Very professional and responsive to clients’ needs. Online communication and transactions are very safe and convenient right now. I didn’t have to travel from Oakland to San Jose to complete my income taxes, every thing was completed online. I recommend Sunrise Tax Pro Services since I have been a client for years.”
— J. M., Google Review · 4.9 ★ avg from 49 reviewsBhuiyan & Associates, CPA is a full-service certified public accounting firm in Santa Clara, CA, serving Silicon Valley's high-tech community, small businesses, and nonprofit organizations. Led by experienced CPAs with deep expertise in stock options, international tax preparation, and real estate tax planning, the firm offers comprehensive accounting, bookkeeping, tax services, and strategic financial planning. With a 4.7-star rating from 87 Google reviews, they're known for precision, responsiveness, and helping clients maximize returns while navigating complex tax scenarios unique to the tech industry and Silicon Valley entrepreneurship.
“Mohammed's expertly handles taxes, accounting, and challenging financial situations. He is both methodical and deeply knowledgeable in his field, plus has a Welcoming personality, —highly recommended!”
— G, Google Review · 4.7 ★ avg from 87 reviewsFinloTax is a Sunnyvale-based accounting firm specializing in comprehensive tax, bookkeeping, and CFO services for startups and small businesses across California. Led by a team of experienced enrolled agents and tax specialists with over 15 years of experience, they provide everything from startup incorporation and bookkeeping to tax planning, R&D tax credits, and international compliance (FBAR, FATCA). Known for their weekly 'Tax Thursdays' live strategy sessions and personalized approach, they've served 1,000+ clients with a perfect 5-star rating from 114 Google reviews.
“I've been using their services for the last 2 years and have been more than satisfied with their professionalism. Sudhakar and Prachi have very patiently answered all my tax related questions and have helped me with my tax prep very effectively. They are prompt in their communication, proactive in their timelines and knowledgeable in their craft. I'd recommend their services to anyone looking for tax advice.”
— Rishav Anand, Google Review · 5 ★ avg from 114 reviewsKNL & Company, CPA is a San Jose accounting firm run by Katherine N. Lee, CPA, specializing in small business tax planning, bookkeeping, and financial consulting. Known for personalized service and extended evening hours, they serve entrepreneurs, startups, and small businesses throughout Silicon Valley with proactive tax strategies that minimize liability and maximize deductions.
“I had a fairly complicated tax situation that included a home sale, rental property, and a home-based business. Jessica is an excellent accountant who provides incredibly detailed assistance and thoughtful guidance. She was extremely helpful throughout the entire tax preparation process, responded to my questions promptly, and filed everything efficiently. I’m very happy with the results and truly appreciate her professionalism and expertise.”
— james peng, Google Review · 5 ★ avg from 54 reviewsMartinez Corp. is a family-owned tax preparation and financial services firm in Santa Clara, CA, led by experienced tax professionals who serve individuals and small businesses. They specialize in tax filing (in-person, online, or drop-off), insurance services, bookkeeping, and immigration paperwork assistance. With a 4.9-star rating from 248 Google reviews, they're known for personalized service, bilingual support, and flexible appointment options that fit busy schedules.
“Best service! If you need someone that will take the time to explain your taxes, come here! Ask for Manny!”
— Ricardo Zambrano, Google Review · 4.9 ★ avg from 248 reviewsAlpha B Group is a virtual accounting firm specializing in tax preparation, tax planning, and bookkeeping services for tech employees, self-employed professionals, and small businesses with fewer than 100 employees. Founded by accountants who understand the complexities of startup culture and entrepreneurship, they emphasize proactive tax planning throughout the year rather than reactive filing. Their fully remote model makes them accessible for clients throughout California.
Vik Randhawa, CPA is a licensed CPA firm in Newark, California, run by Vikram Randhawa, a certified public accountant specializing in tax preparation, financial planning, and business accounting services. The firm serves individuals, business owners, executives, and independent professionals across the Bay Area with personalized tax strategy, bookkeeping, QuickBooks consulting, and IRS problem resolution. With a 4.9-star rating and a reputation for responsive service and proactive tax guidance, Vik Randhawa, CPA helps clients in Newark, Fremont, Union City, Hayward, and Milpitas navigate complex tax laws, maximize deductions, and achieve long-term financial stability.
“We recently started working with Vik Randhawa CPA firm for our startup's accounting and tax needs, and have had an amazing experience so far. With their responsiveness, exceptional knowledge, and proactive guidance, our financial processes are being effectively handled with care. We're confident that with their continued support, we are building a sturdy foundation for true long-term growth. Thanks to Vik and his team there has already been an abundance of effective consulting regarding bookkeeping and addressing financial decisions in great detail, even within a short amount of time!”
— Sequoia Wireless, Google Review · 4.9 ★ avg from 58 reviewsSagarmatha Tax & Accounting Services is a full-service accounting firm in Sunnyvale established in 2010, led by Bishnu Karki, a registered and accredited tax preparer with a Master's in Accounting. They provide comprehensive tax preparation for individuals, businesses, and nonprofits; payroll services including W2/1099 filing; bookkeeping with financial statements; sales tax services; business formation and consulting; and health insurance services through Covered California. Available year-round with a focus on professional, cost-effective service.
Bookkeeping Pro & Tax Services Inc in Sunnyvale, CA is run by Ravi, a tax and accounting professional specializing in strategic tax planning, bookkeeping cleanup, and IRS/FTB audit representation. They serve small businesses and individuals throughout the South Bay with personalized service, evening and weekend availability, and a 5.0-star rating from 28 Google reviews. Known for turning organized bookkeeping into tax savings and helping clients resolve compliance issues.
Paramount Tax & Accounting Silicon Valley Central is a full-service tax and accounting firm in Campbell, CA, staffed by licensed tax professionals. They specialize in personal and business tax preparation, bookkeeping, payroll services, and corporate tax planning for individuals, small businesses, partnerships, LLCs, and corporations throughout the San Jose/Campbell area. With a 4.8-star rating from 89 reviews, they offer both in-person and virtual consultations, plus $1 million tax audit defense coverage through Protection Plus.
“Elayne was/is amazing! She has done our taxes and is our Accounting touch point for the past 3 years. I would totally recommend her for anyone interested in quality accounting.”
— Jesus Miramontes, Google Review · 4.8 ★ avg from 88 reviewsJ&C Insurance Multiservices Inc is a full-service insurance and financial services agency based in Sunnyvale, serving the San Francisco Bay Area. They provide comprehensive insurance solutions including auto, home, life, and business coverage, along with accounting and tax preparation services. The agency combines personalized insurance expertise with financial and accounting support, making them a one-stop shop for clients seeking integrated insurance and business services.
Abacus Tax and Accounting Inc. is a professional accounting firm in San Jose, CA, specializing in tax preparation, bookkeeping, and business consulting for individuals and small businesses. With a perfect 5.0-star rating from 19 Google reviews, they provide personalized financial services including tax planning, QuickBooks support, payroll processing, and year-round tax strategy. Located in South San Jose and serving the greater Silicon Valley area.
“Linda Weathers of Abacus Tax and Accounting helped us with our taxes for 2022 and we couldn't be happier. She was well informed, patient and through with details in advising us with the best possible options. I'll highly recommend Linda to folks for help with their business and personal tax needs. Thanks Linda.”
— Alok Garg, Google Review · 5 ★ avg from 19 reviewsJulia Brown CPA is a San Jose accounting firm led by Julia Brown, a licensed Certified Public Accountant serving individuals, small businesses, and international clients. The practice specializes in stock option taxation (ESPP, ISO, RSU), self-employment tax planning, rental property strategies including 1031 exchanges, expat tax compliance, nonprofit organization returns, and IRS/FTB representation. Fluent in English, Mandarin, Cantonese, and Hakka, the firm serves the greater San Jose and Silicon Valley area with personalized attention and guaranteed 24-hour response times.
“I would like to share my overall positive experience with Julia Brown who has been reliably preparing my tax returns over multiple years. Julia is great and easy to work with. She follows clear processes and expresses exact requests from her side to fulfill her specific tax tasks. She always offers very quick communication respectively feedback on any client questions. The tax documents are prepared at high precision and with on-time delivery. To summarize I can more than recommend Julia as a highly professional CPA who offers trustful and reliable services. Her professional way of work and communication has never left any complaints from my side. I am very thankful for knowing her and benefiting from her in-depth tax expertise over several years.”
— Bernhard Büttgen, Google Review · 4.8 ★ avg from 50 reviewsH&R Block's Sunnyvale office at 717 E El Camino Real provides professional tax preparation, bookkeeping, and payroll services backed by the world's largest tax services provider. With a 4.7-star rating from 147+ Google reviews, this location serves Sunnyvale and the greater South Bay area with both in-person and virtual tax filing options. Their tax pros handle everything from simple returns to complex situations including ITIN applications, small business taxes, and earned income tax credit assistance.
“Jenni is the best!!!! Every year I love to get my taxes down from Jenni. I love Jenni beautiful spirit….”
— Nora Johnson, Google Review · 4.7 ★ avg from 147 reviewsKeystone Tax LLC is a full-service tax and accounting firm in Sunnyvale, CA, founded and led by Ellen Domorad, EA (Enrolled Agent). The firm specializes in tax preparation, tax planning, IRS representation, and small business accounting for individuals and businesses throughout Silicon Valley. With a 4.8-star rating from 35+ reviews, Keystone Tax serves clients in Sunnyvale, San Jose, Mountain View, and Cupertino with personalized solutions for complex tax situations, business formation, QuickBooks support, and payroll services.
“Year after year Ellen has made tax season a dream for me. As my previous year's reviews have also attested, intelligent, professional, prompt and accurate work--and, always, kindness--is her way. Ellen Domorad is the best!”
— Marilyn Gottlieb-Roberts, Google Review · 4.8 ★ avg from 35 reviewsH&R Block at 456 E El Camino Real in Sunnyvale, CA offers professional tax preparation services backed by the world's largest tax services provider. With a 4.6-star rating from over 300 reviews, this office provides in-person tax filing, ITIN applications, small business bookkeeping, and payroll services. The team guarantees 100% accuracy and maximum refunds, serving individuals and small businesses throughout Sunnyvale and the South Bay area.
Sanjiv Gupta CPA serves the Indian American community in Fremont, CA with personal and business tax services, foreign income reporting, and high-income tax planning. Led by Sanjiv Gupta, a CPA with over 20 years of experience helping NRIs navigate US tax compliance, the firm specializes in FBAR reporting, multi-country asset disclosure, and tax-saving strategies for small business owners. Rated 4.6 stars on Google with 193 reviews, the practice offers in-person consultations at three Bay Area locations or remote appointments worldwide.
“I had an excellent experience with my CPA, Sanjiv Gupta. He clearly explained the tax implications of relocating to India and how I could have better strategized my trades. His advice was honest, genuine, and truly focused on my best interests. He also helped me understand that, given my current tax situation, staying in the U.S. may not be the most beneficial option. I really appreciate his clarity, transparency, and professionalism — highly recommended!”
— Krishna Krishna, Google Review · 4.6 ★ avg from 193 reviewsDe Guzman & Cadieux CPAs is a full-service accounting firm serving Milpitas and the surrounding Silicon Valley area. They provide comprehensive tax preparation, bookkeeping, payroll services, and financial consulting for both individuals and businesses. With CPA credentials and specialized expertise in tax strategy, they help clients navigate complex financial situations and maximize their bottom line.
KPGCPA Financial Services Inc. is a licensed California CPA firm led by Koshy P. George, specializing in tax preparation, business advisory, and IRS problem resolution for individuals and businesses in San Jose. With a team of CPAs, Enrolled Agents, and tax professionals, they provide personalized, efficient, and affordable accounting services, including QuickBooks consulting and year-round tax planning. Rated 4.6 stars on Google, they serve small business owners, executives, and independent professionals throughout the South Bay.
Kifer CPA is a full-service accounting firm in Sunnyvale, California, led by experienced CPAs specializing in tax planning, business advisory, and accounting services for high-net-worth individuals, small to mid-size businesses, and multinational companies in the Asia-Pacific region. The firm provides bilingual service in English, Mandarin, and Taiwanese, offering personalized tax strategies and year-round financial guidance to clients throughout Silicon Valley and the San Francisco Bay Area.
CL Tax & Accounting Service is a full-service accounting firm in Fremont, CA, staffed by enrolled agents (EAs), CPAs, and Certified Acceptance Agents (CAAs). They specialize in business tax preparation for corporations, partnerships, and sole proprietorships, along with ITIN services, corporation registration, bookkeeping, payroll, and notary services. Known for proactive tax planning strategies that maximize after-tax income, they serve the Fremont and surrounding Bay Area communities with affordable pricing and quick E-file refunds.
Raymond Young CPA is a full-service accounting firm in Fremont, CA, serving business owners, executives, and individuals with tax preparation, business accounting, QuickBooks support, and IRS problem resolution. Led by Raymond Young, a California-licensed CPA, the firm specializes in small business CFO services, tax planning, and helping clients maximize deductions while staying compliant. Known for their affordable, experienced, and client-focused approach, they hold a 4.8-star rating and serve the East Bay community.
“Raymond is amazing. He’s always on top of everything. He really helped me get out of IRS situation. And helped me get back on track. He always prepares my taxes and finances timely. He’s trustworthy and really cares. I recommend his to everyone. So glad to have found this CPA and his team.”
— Brian Nguyen, Google Review · 4.8 ★ avg from 12 reviewsSanjay Taxpro is a full-service tax and accounting firm in Milpitas, CA, led by Sanjay Muppaneni, an IRS Enrolled Agent (EA), AICPA member, and IRS Certified Acceptance Agent with over 16 years of experience. The firm specializes in personal and business tax filing, ITIN processing, tax planning, bookkeeping, payroll services, and LLC formation, serving individuals, small businesses, and corporations with a particular focus on immigrant tax needs. With over 10,000 satisfied clients and a 4.4-star rating from 858+ Google reviews, Sanjay Taxpro offers extended evening and weekend hours for maximum convenience.
Jing Zhang CPA is a certified public accounting firm in Cupertino, CA, serving individuals and businesses in Silicon Valley. Led by CPA Jing Zhang, the practice specializes in tax preparation, business accounting, and financial consulting for tech professionals, entrepreneurs, and small businesses. With a perfect 5.0-star rating, Jing Zhang CPA provides personalized service and deep expertise in navigating complex tax situations common in the Bay Area.
“Jing Zhang CPA is an exceptional professional. She is highly knowledgeable, detail-oriented, and always goes the extra mile to ensure everything is accurate and compliant. Her dedication to her clients truly stands out — she responds promptly, explains complex tax matters in a clear way, and makes the whole process smooth and stress-free. On top of her professionalism, she is also incredibly patient and friendly, making every interaction a pleasant experience. I truly appreciate her outstanding service and would highly recommend her to anyone seeking a reliable and trustworthy CPA.”
— Billy Feng, Google Review · 5 ★ avg from 6 reviewsSilicon Valley CPA Firm in Cupertino, CA specializes in accounting, tax preparation, and financial advisory services for high-tech companies, startups, and individuals in the Bay Area. Their experienced team provides comprehensive tax planning, forensic accounting, part-time CFO services, QuickBooks implementation, and cryptocurrency accounting. With a 4.5-star rating and extended weekday hours (8 AM–7 PM), they serve tech professionals, entrepreneurs, and businesses across healthcare, legal, and construction industries throughout Silicon Valley.
Ami Shah CPA is a full-service accounting firm in San Jose, CA led by Ami Shah, a certified public accountant with 18+ years of experience. The firm specializes in tax services, accounting, consulting, and international tax matters including offshore voluntary disclosure and FBAR compliance. With a 4.5-star rating from 25+ Google reviews, they're known for personalized service and attention to detail for both businesses and individual clients throughout Silicon Valley.
“Working with Ami Shah has been a truly exceptional experience. As a CPA, she combines deep technical knowledge with a genuine commitment to client success. Ami is not only meticulous in her approach to accounting and tax strategy, but also incredibly responsive and easy to communicate with—something that's rare and extremely valuable in this field. She has guided us through complex tax situations with clarity and confidence, always helping us make informed decisions while staying compliant. What stands out most is her proactive nature—she doesn’t just respond to problems, she anticipates them and offers smart solutions before they arise. If you’re looking for a trusted advisor who genuinely cares about your financial well-being and treats your business like her own, I highly recommend Ami Shah, CPA. She’s a true professional and a pleasure to work with.”
— Vishal Bhatia, Google Review · 4.5 ★ avg from 25 reviewsFinloTax is the top-ranked accounting and tax firm in Sunnyvale with a Lantern Score of 84.80/100 and a 5-star rating from 114 reviews. They specialize in serving tech startup founders, small business owners, and self-employed individuals with integrated tax planning, bookkeeping, and CFO services.
FinloTax (Lantern Score: 84.80/100) and Alpha B Group (Lantern Score: 83.03/100) are specifically recommended for tech startup founders. FinloTax offers comprehensive tax optimization and payroll compliance services, while Alpha B Group is a virtual accounting firm that specializes in tech employees and startups with fewer than 100 employees.
Multiple firms serve self-employed professionals, including KNL & Company, CPA (Lantern Score: 83.68/100), Victoria Armigo, EA (Lantern Score: 81.04/100), and Sunrise Tax Pro Services (Lantern Score: 78.28/100). These firms provide tax preparation, bookkeeping, and specialized services like IRS representation and tax strategy for self-employed individuals.
Martinez Corp. Taxes and Insurance (Lantern Score: 83.67/100) and J&C Insurance Multiservices Inc (Lantern Score: 80.94/100) both specifically serve Spanish-speaking clients. Martinez Corp. is family-owned in nearby Santa Clara and offers personal tax preparation and bookkeeping, while J&C provides bundled insurance and tax services.
No accounting firms in the Sunnyvale area are open on weekends based on current listing data. All 27 firms operate Monday through Friday only.
KNL & Company, CPA (Lantern Score: 83.68/100) and Julia Brown CPA (Lantern Score: 80.33/100) both specialize in rental property owners and real estate investors. Bhuiyan & Associates, CPA (Lantern Score: 79.51/100) also serves real estate investors as part of their full-service accounting practice for Silicon Valley professionals.