Stop building someone else's brand. It's time to build your own.
One-Stop PRO Tax Software gives tax professionals the tools, knowledge, and support they need to build their own successful businesses — professional software, your own branded platform, and a mentor who has been where you are.
Everything you need — all in one place.
No juggling vendors, no guessing alone. Software, branding, training, and support come together under one roof.
Professional tax preparation software
Reliable, professional-grade software built for real tax-office workflows, so you can prepare and file returns with confidence.
Your own branded software
Put your business name and logo in front of your clients. Build recognition for your brand — not ours.
Hands-on training & mentorship
Learn directly from an experienced tax professional and business owner — practical, step-by-step, and personal.
Return reviews & due diligence support
A second set of experienced eyes on your returns and help staying on top of due-diligence requirements.
Year-round guidance
Support doesn't disappear after April. Get answers and direction in the off-season while you plan and grow.
Support to build & grow your team
Ready to add preparers? Get guidance on bringing people on, training them, and running your office as it grows.
Wherever you are in your journey, we'll meet you there.
PTIN holders ready to become an ERO
You've been preparing returns — now you're ready to open your own office and file under your own name.
- Guidance through becoming an ERO
- Your own branded software
- Office setup and onboarding help
Experienced preparers seeking better support
You know taxes, but you're tired of being left on your own. Get a partner who actually picks up the phone.
- Return reviews and due diligence support
- Year-round guidance
- Help building and growing your team
Newcomers to the tax industry
Brand new? That's okay. We'll guide you every step of the way, from your first training to your first client.
- Hands-on training and mentorship
- Professional tax software
- A clear path to your own business
From first call to your own office.
Call or text us
Reach out at 956-559-5892. Tell us where you are and where you want to go.
Choose your path
We'll help you pick the setup that fits your experience and goals — no pressure, no confusion.
Get set up & trained
Launch your branded software and learn it hands-on with personal training and mentorship.
Grow with support
File with confidence, get your returns reviewed, and keep growing with year-round guidance.
Your name. Your logo. Your business.
When clients see your software, they should see you. Branded software helps you look established from day one and builds loyalty to your company — the brand you'll keep growing for years.
- Present a professional, established image
- Build equity in your own brand, not someone else's
- Backed by training and support behind the scenes
Samantha Garza
A powerful woman with 12 years of experience in the tax industry — a business owner, tax professional, mentor, and IRS Certified Acceptance Agent.
After years of learning, growing, and helping others succeed, Samantha created One-Stop PRO Tax Software to give tax professionals the tools, knowledge, and support they need to build their own successful businesses. She knows what it takes because she has done it herself — and she's committed to walking with you every step of the way.
Frequently asked questions
Do I need experience to get started?
No. Whether you're brand new to the tax industry or a seasoned preparer, we'll guide you every step of the way with hands-on training and mentorship.
I'm a PTIN holder. Can you help me become an ERO?
Yes. Helping PTIN holders take the next step and open their own office is one of the main reasons One-Stop PRO exists.
What does "branded software" mean?
It means the software carries your business name and brand, so you grow recognition for your own company instead of someone else's.
Is support only available during tax season?
No. We offer year-round guidance, so you have help planning, training, and growing even in the off-season.
Can you help me build a team?
Absolutely. When you're ready to add preparers, we'll support you in building and growing your team.
How do I get started?
Call or text 956-559-5892. We'll talk through your goals and help you choose the right path.
Stop building someone else's brand. Build your own.
Call or text today to talk with Samantha about the right path for you.
Your taxes, done right — by people who care.
One-Stop PRO doesn't just build software for tax professionals — we prepare taxes, too. Individuals, families, and small business owners get the same 12 years of experience and careful review behind every return.
Tax help for every situation.
Simple or complicated, first time or fifteenth — we'll take care of it.
Individual & family returns
W-2 employees, families with dependents, students, and retirees. We make sure you claim the credits and deductions you qualify for.
Self-employed & 1099
Independent contractors, gig workers, and side businesses. We help organize your income and expenses so nothing gets missed.
Small business returns
Tax preparation for small business owners, with guidance to help you stay organized all year long.
ITIN applications
As an IRS Certified Acceptance Agent, Samantha can help you apply for or renew an ITIN and review your identity documents.
Prior-year & amended returns
Missed a year or need to fix a return you already filed? We can help you get caught up and corrected.
Year-round tax help
Questions don't stop after tax season. Reach out any time for help with IRS letters, planning, and next year's return.
Come prepared, leave confident.
Bring whatever applies to you. Not sure if you need something? Bring it anyway, or call and ask — we're happy to help.
Questions? Call 956-559-5892- Photo ID for you (and your spouse, if filing jointly)
- Social Security cards or ITINs for everyone on the return
- W-2s from every employer
- 1099 forms (contract work, interest, unemployment, and more)
- Last year's tax return, if you have it
- Bank routing and account number for direct deposit
- Childcare provider name, address, and tax ID
- Form 1098 (mortgage interest) and 1098-T (tuition)
- Health insurance forms (1095-A if you have Marketplace coverage)
- Business income and expense records, if self-employed
Four simple steps to filed.
Book your appointment
Call or text 956-559-5892 to schedule a time that works for you.
Bring your documents
Use the checklist above so we have everything we need the first time.
We prepare & review
Your return is carefully prepared and reviewed before anything is filed.
Sign & e-file
Review your return, sign, and we file it electronically for you.
Ready to file? Let's get started.
Book your appointment today. Are you a tax preparer? See our software for professionals.