📍 Antioch, CA · Contra Costa County · Bay Area

CPA Services for East Bay Small Businesses

Pure Strike CPA is a digital accounting firm built for small business owners across Contra Costa County, the East Bay, and the greater Bay Area — from Antioch and Clayton to Walnut Creek, Danville, Richmond, and beyond. We handle taxes, bookkeeping, LLC formation, and S-Corp strategy so you can focus on running your business.

What We Handle

  • Small business tax preparation & planning
  • Bookkeeping & monthly financials
  • LLC formation & S-Corp elections
  • Payroll and self-employment taxes
  • Multi-state sales tax & nexus guidance
  • Year-round advisory support
📍 Antioch · Brentwood · Clayton · Walnut Creek · Concord · Danville · Richmond & more
🏛️ Licensed CPAs
💻 100% Digital & Remote
📍 Based in Antioch, CA
Fast Turnaround
🔒 Secure Client Portal

CPA Services for Contra Costa County Small Businesses

From tax prep to entity strategy, we cover the accounting needs of sole proprietors, LLCs, S-Corps, and growing businesses across the East Bay.

📋

Small Business Tax Preparation

Accurate, on-time federal and California state tax returns for sole proprietors, LLCs, S-Corps, and partnerships throughout Antioch and Contra Costa County.

📊

Bookkeeping & Monthly Financials

Clean books delivered monthly. We reconcile accounts, categorize transactions, and give you P&L reports so you always know where your business stands.

🏢

LLC Formation & S-Corp Elections

Thinking about converting your sole proprietorship to an LLC or electing S-Corp status? We run the numbers and handle the paperwork — the right way, not just the fast way.

💼

Self-Employment & Payroll Taxes

We calculate estimated quarterly payments, manage SE tax liability, and set up payroll for owner-operators — keeping you compliant and penalty-free.

🌐

Multi-State Tax & Sales Nexus

Selling products or services outside California? We identify your nexus obligations and manage multi-state filings so you stay compliant as your business grows.

📈

Tax Planning & Business Advisory

Year-round strategy to minimize your tax bill. We're proactive — not just reactive — so there are no surprise bills when April rolls around.

A CPA Firm Built for
How You Actually Work

01

Digital-First, East Bay Focused

We're built to serve Antioch, Brentwood, Oakley, and the surrounding Contra Costa communities — without you ever needing to drive to an office. Everything runs through a secure client portal.

02

Real CPAs, Not a Tax Software

You're working with licensed CPAs who understand California small business tax law — not an automated platform that generates generic advice. We know the details that matter.

03

Straight Talk, No Jargon

We explain your numbers in plain English. Whether it's your first time filing as an LLC or you're planning an S-Corp election, we walk you through every decision.

04

Flat-Rate Pricing, No Surprises

Know exactly what you're paying before we start. No hourly billing, no hidden fees. Just predictable pricing that makes sense for small businesses.

Ready to Stop Guessing on Your Taxes?

Most East Bay small business owners are leaving money on the table or overpaying the IRS. A 30-minute call can show you exactly where you stand — no commitment needed.

Book a Free 30-Min Call

CPA Services Across Contra Costa County

East Contra Costa

📍 Antioch, CA
📍 Brentwood, CA
📍 Oakley, CA
📍 Pittsburg, CA
📍 Bay Point, CA
📍 Discovery Bay, CA

Central Contra Costa

📍 Concord, CA
📍 Walnut Creek, CA
📍 Clayton, CA
📍 Pleasant Hill, CA
📍 Martinez, CA
📍 Lafayette, CA
📍 Orinda, CA
📍 Moraga, CA

South Contra Costa

📍 Danville, CA
📍 San Ramon, CA
📍 Alamo, CA
📍 Blackhawk, CA

West Contra Costa

📍 Richmond, CA
📍 San Pablo, CA
📍 Hercules, CA
📍 Pinole, CA
📍 El Cerrito, CA
📍 Kensington, CA

East Bay & Alameda County

📍 Oakland, CA
📍 Berkeley, CA
📍 Dublin, CA
📍 Pleasanton, CA
📍 Livermore, CA
📍 Fremont, CA
📍 San Leandro, CA
📍 Castro Valley, CA
📍 Hayward, CA
📍 Union City, CA

Broader Bay Area (Remote)

📍 San Francisco, CA
📍 San Jose, CA
📍 Marin County, CA
📍 Solano County, CA

Digital CPA Services — Wherever You Are in the Bay Area

Pure Strike CPA is based in Antioch, CA and serves small business owners across all of Contra Costa County — from Clayton and Walnut Creek in the center, to Danville and San Ramon in the south, to Richmond and Hercules in the west.

We also cover the broader East Bay including Oakland, Berkeley, Dublin, Livermore, and Fremont, as well as clients throughout the Bay Area who prefer working with a remote-first CPA firm. Because we're fully digital, location is never a barrier.

Get Started Today

FAQs for East Bay Small Business Owners

Answers to the questions we hear most from Antioch and Contra Costa County business owners.

Do I need a CPA in Antioch, CA for my small business?

If you're running a business in Antioch or anywhere in Contra Costa County — whether as a sole proprietor, LLC, or S-Corp — a licensed CPA helps you minimize taxes, stay compliant with California law, and make smarter financial decisions year-round.

Should I convert my sole proprietorship to an LLC?

For most growing small businesses in California, converting to an LLC provides liability protection and opens the door to S-Corp taxation. We run a full analysis on your income, expenses, and self-employment tax burden before recommending anything.

What is an S-Corp election and could it save me money?

An S-Corp election allows LLC owners to split income between salary and distributions — potentially reducing self-employment taxes significantly. It's one of the most powerful tax strategies for profitable small business owners, but timing matters.

I sell products online — do I owe sales tax in other states?

Possibly. After the South Dakota v. Wayfair decision, most states require online sellers to collect sales tax once they hit certain revenue or transaction thresholds. We assess your nexus exposure and set up compliant filing in every state you're liable in.

How does working with a digital CPA work?

Everything is handled through a secure client portal. You upload documents, we prepare returns or financials, and we connect by phone or video for any questions. No office visits required — and we're local to the East Bay, so a call is always a call with someone who knows your area.

What does it cost to hire a CPA in Contra Costa County?

We offer flat-rate pricing based on the services you need. Most small business clients start in the range of a few hundred to a few thousand dollars annually depending on complexity. Book a free call to get a clear quote — no hourly surprises.

Talk to an Antioch CPA — Free, No Commitment

Whether you're behind on taxes, thinking about an LLC conversion, or just want a second opinion on your numbers — let's talk. A 30-minute call costs you nothing.

Pure Strike CPA · Antioch, CA · Serving Contra Costa County & East Bay