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Award-Winning Expertise in Tax & Accounting Services
Est. 2022, Ssquare Inc. brings over 20 years of tax expertise to individuals, businesses, and non-profits. From tax prep to payroll management, we're your trusted partner for financial success.
Personal & Business Tax Services
S Square Firm, led by Santosh Sah, E.A., is a trusted name in tax and accounting services. We specialize in supporting individuals, businesses, and non-profits with comprehensive solutions tailored to their financial goals. Whether you're starting a new business, managing foreign income, or planning taxes for high-net-worth individuals, our expertise ensures every aspect is handled with care and precision.
Learn More About Us500+ Free Tax Returns
Filed annually for all eligible students and seniors
400+ Clients Served
Spanning individuals, small businesses, and non-profits
20+ Years of Experience
Helping the Nepalese American community with tax services and savings
Services
At SSquare, we simplify the complex so you can focus on what matters most—running and growing your business. Our expert team delivers accurate, transparent, and reliable financial support tailored to your unique needs.
We are
With over 20 years of expertise, we've helped individuals and businesses save on taxes with reliable guidance, personalized support, and deep community commitment.
Gallery
A visual look at the people, recognition, and community moments that shape how SSquare shows up for clients.
ITIN Application
Expert assistance with Individual Taxpayer Identification Number applications.
Let us help you
Reach out and we'll get back to you within 24 hours.
Contact Us
Tell us what you need and we'll route you to the right tax, accounting, or consultation support.
Contact info
Office
1109 Kennedy Pl, Suite 2, Davis, CA 95616
Testimonials
Discover why businesses trust Ssquare Inc. for their financial and tax needs
“Santosh Sah did a great job on my taxes and setting up and organizing my business concerns for the smoothest and most accurate record keeping conditions. Santosh has a wonderful focus on details and accuracy. I felt much better knowing my tax preparation was in expert hands.”
Spring Warren
“I've been working with Santosh for my CPA needs for a couple of years now, and I couldn't recommend him more highly. He's incredibly responsive and always makes time to answer any questions I have, no matter how small. I really appreciate his attention to detail.”
Wendy Morales
“This is my second year filing with SSquare, after years of using a large national tax preparation chain, and I couldn't be happier with the switch. Santosh has made the entire process completely stress-free. He's incredibly helpful, highly knowledgeable, and treats every client like family.”
V N Narang
“I can't say enough amazing things about Santosh! As a small business owner it's not easy to find a reliable tax company. When I was referred to Santosh it truly saved me. He walked me through every step and what he recommended I did.”
Marissa Harmon
“Professional, knowledgeable tax preparation. Highly recommend SSquare Inc for tax preparation. Santosh was very helpful in navigating some complex tax questions that were important on many levels. Additionally, he responded on nights and weekends — exceptional accessibility.”
Brian Wagoner
“Santosh is an amazing tax preparer and also a great human being. I highly recommend him for your business taxes or personal taxes — whatever you need, he'll take care of you.”
Thomas Zane Schrader
“Santosh is very professional and he does your income taxes by the book — very polite. I highly recommend his service.”
Gabriela Martinez
“Santosh was recommended by a friend of mine and I am very happy to have worked with him on my tax return. He's very responsive and very patient. I am looking forward to continue working with him. Thank you Santosh!”
Lorence Oki
“Best tax experience I've had since opening up my business in 2018. Santosh is professional, communicative, and friendly. I would highly recommend him for small business owners looking for tax help!”
Ahrianna Navarrete
“Santosh has been doing my taxes for a couple of years now. Every year he gives me peace of mind that someone seasoned and knowledgeable is doing my taxes. He does an amazing job at answering all my questions and is always very prompt at getting back to me. Highly recommended!”
Paul Avila
“I've been a client since I started my real estate business and I can't express how grateful I am to have SSquare Inc doing my taxes. They are always willing to answer my questions or concerns — text or call, they always have the answer.”
Cindy Mena
“Santosh was fast and efficient with our tax filing and he recommended a good financial advisor that works closely with him. His communication was on point and we're looking forward to continue working with him again in the future.”
Brian Trinidad
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Featured Post
We're honored to be recognized as the Best of 2025 Tax Preparation Service. A huge thank you to our amazing clients and community for your continued trust and support.
More Blogs
We're honored to be recognized as the Best of 2025 Tax Preparation Service. A huge thank you to our amazing clients and community for your continued trust and support.
Read MoreTax season can feel overwhelming, especially when forms, deadlines, and rules keep changing every year. This guide breaks everything down into simple, actionable steps.
Read MoreNavigating U.S. taxes as a Nepalese American comes with unique considerations. Here's what you need to know to file accurately and maximize your refund.
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