Modern, straightforward tax help.
Clear communication. Honest pricing. Professional results.
Tax preparation and planning for individuals, families, small businesses, S-corps, rentals, and trusts — with a simple, stress-free process.
Why Duncan & Co
Tax help should feel human. I focus on clear explanations, fair pricing, and a comfortable, judgment-free experience.
Bullet list:
• Transparent, upfront pricing
• No-pressure, judgment-free appointments
• Secure online document upload
• Remote Support
• Enrolled Agent representation
• 10,000+ tax returns prepared
Who i work with
Individuals, families, landlords, self-employed professionals, S-corps, LLCs, corporations, and anyone who prefers a simple, modern tax experience over confusing, rushed appointments.
How it works
How It Works
Step 1 — Book
Choose a time that works for you online.
Step 2 — Upload
Securely upload your documents before the appointment.
Step 3 — Review
We go through everything together — clearly and without pressure.
Step 4 — File
Your return is filed, you receive copies, and we discuss what to expect for the year ahead.
Simple. Modern. Predictable.
About Duncan & Co
I’m Keith Duncan, an Enrolled Agent based in Modesto, CA. I’ve prepared over 10,000 tax returns for individuals, families, landlords, and small businesses, and I’m licensed to represent taxpayers before the IRS.
My goal is simple: make taxes clear, accurate, and as stress-free as possible.
Ready to make tax season easier?
Whether you're filing as an individual or running a business, you deserve a clear, simple tax experience. Book a time that works for you — I’ll handle the rest.