Introduction Last year, a tech partnership operating in California, New York, and Illinois discovered they owed $847,000 in
Simplify Your Finances with Expert CPA Services.
Comprehensive bookkeeping, tax preparation, CFO advisory, payroll, and accounts payable solutions—tailored for startups and small businesses.


After interviewing several firms and practitioners, I decided to affiliate with CPA Tax Accountants SDO CPA. Their team grew their tax & accounting knowledge at KPMG, multiple family offices, and Tax Management experience with EY LLP in Dallas, Texas. They bring a wealth of tax and accounting knowledge.
Steven rutherforD, CPA
Why Work With Us?
Tax laws are constantly evolving, making it harder for businesses to stay compliant and maximize financial efficiency. You need a team that understands the complexities of tax planning, bookkeeping, and accounting across individuals, corporations, and partnerships.
With experience from EY, KPMG, and leading family offices, our team brings deep expertise to help you automate your finances, optimize tax strategies, and stay ahead in an ever-changing landscape.
Small Business Payroll Services
Payroll solutions tailored to your business—built for growth, accuracy, and compliance.
Tax Preparation & Planning
Comprehensive tax services including individual and business tax filings, sales tax, international tax, cost segregation studies, and guidance on Section 179 deductions.
Accounting & Bookkeeping
Streamline your bookkeeping with our tech-forward solutions, ensuring your financials are accurate and current.
Smart Financial Solutions for Growing Businesses
- 1Expert CPA Guidance for Growing Businesses
Get tailored tax and accounting solutions designed to support your business at every stage. From bookkeeping to proactive tax strategy, we provide the expert insight you need to stay ahead. - 2Tech-Driven Financial Efficiency
We simplify your finances with modern, cloud-based tools—ensuring accurate bookkeeping, seamless payroll, and hassle-free tax compliance. - 3Proactive Tax Planning & Maximum Savings
Tax laws change constantly, but we keep you ahead of the curve. Our strategic approach helps minimize liabilities, maximize deductions, and keep your business fully compliant. - 4Scalable Financial Solutions That Grow With You
Whether you're a startup or an established business, our services adapt to your needs. From automated bookkeeping to CFO-level advisory, we provide the financial insights to help you scale. - 5A Reliable, Long-Term CPA Partner
Many CPAs disappear when you need them most. We’re here for the long haul—offering year-round support, expert guidance, and a responsive partnership to help your business thrive.
Meet The Team
We’re a diverse team that focuses on staying up to date with the hundreds of changes that happen every year in tax and accounting.
Serena Do, CPA
Managing Partner
Fawn, CPA
Accountant
Olivia
Bookkeeper
Finally—A CPA Firm That Understands Your Business.
We help individuals, businesses, and real estate investors reduce tax burdens, optimize finances, and streamline accounting—so you can focus on growth.
As business owners and real estate investors ourselves, we bring first-hand expertise, strategic tax planning, and real-world insights to help you succeed.
Individuals & Families
💰 Helping You Claim Eligible Tax Credits & Deductions
New tax laws can provide valuable savings opportunities. We help you navigate deductions and credits to ensure you make the most of available benefits.
📊 Smart Accounting, Payroll & Bookkeeping—Done for You
Save time and money by outsourcing your accounting, payroll, and bookkeeping to experts who understand small businesses.
Corporations & Partnerships
📈 Strategic Tax & Financial Planning for Growth
We help you plan, structure, and automate finances to maximize tax savings—so you can focus on scaling your business.
Real Estate Investors
🏡 Minimize Taxes & Maximize Depreciation
Proper tax planning can significantly reduce your tax liability. We help you leverage depreciation and smart tax strategies.
What our Clients Say
Von A.
Business owner & real estate investor
I found SDO CPA when my previous accountant retired. SDO CPA helps me with my complex personal, business, and real estate investments, so I don’t have to worry about it. I highly recommend them.
Paul S.
business owner
I’m too busy working with IT clients to worry about my accounting and bookkeeping. SDO CPA saves me from making mistakes, and they handle everything financial-related that I don’t know or have time for.
John C.
Individual & Real Estate Investor
SDO CPA handles tax preparation across my family and real estate investments. I strongly recommend getting a CPA on your team because their diverse knowledge will save your skin many times. SDO CPA is my go-to CPA.
Contact us
Open hours
Monday - Friday : 9 am - 5 pm
Location
214 S Main St, Suite 101C, Duncanville, Texas, 75116, US
We service Duncanville, Cedar Hill, DeSoto, Dallas, Grand Prairie, and clients all over the USA virtually.
Partnership & S-Corporation Guides

Multi-State Partnership Filing: Your Complete State-by-State Guide

One Big Beautiful Bill Act Tax Deductions: Complete Guide for Taxpayers
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How Trump’s One Big Beautiful Bill Transforms Small Business Taxes in 2025
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Choosing Your Financial Partner: A Startup’s Guide to Selecting the Right Accountant for Small Business Success
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How to Choose the Right Tax Preparer: A Comprehensive Guide for Individuals and Businesses
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Small Business Tax Deductions: The Complete 2025 Guide for Maximizing Your Write-Offs
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