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Catalyst CPA
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Business Services

Catalyst CPA Business Services

We deliver full-scope business accounting and CPA services for Inland Empire and California small businesses. Choose a service below to learn more.

Looking for our locations? See our service areas across the Inland Empire and Southern California.

Catalyst CPA provides bookkeeping, tax preparation, IRS resolution, S-Corp setup, payroll, and business automation to small businesses across the Inland Empire and California. All services are delivered by a California-licensed CPA (License #158599) — no junior staff signing under a senior's PTIN. Free 30-minute discovery call to scope the work and get a flat-fee quote.

Who Catalyst CPA Serves

The service mix above is built for owner-operator businesses doing roughly $100K to $5M in revenue. That's the band where DIY bookkeeping breaks down but a Big-Four firm is overkill. We're full-service for that segment, and selective for outside it.

Real Estate Investors

Rental property accounting, depreciation schedules, 1031 exchanges, cost segregation, and Schedule E preparation.

Contractors & Trades

1099 vs W-2 worker classification, job costing, vehicle/tool depreciation, S-Corp election to cut SE tax.

Professional Services

Solo and small-team consultants, agencies, attorneys, designers — QBO bookkeeping plus quarterly tax planning.

E-Commerce & Online

Multi-state sales tax nexus, marketplace facilitator rules, COGS accounting, inventory tracking.

Restaurants & Hospitality

Tip reporting, employee classification, vendor reconciliation, and California labor-compliant payroll.

Startups & New Entities

LLC formation, S-Corp election timing, founder compensation, and clean books from day one.

How an Engagement Starts

Every new client follows the same intake — no surprises, no scope creep.

StepWhat HappensTiming
1Free 30-minute discovery call. We scope the work and quote a flat fee — no hourly billing surprises.Same week
2Engagement letter signed via TaxDome. You see exactly what's included and what's not.Within 48 hrs
3Document collection through the secure client portal. We give you a checklist — no guessing.3-7 days
4Work executed by Adham personally. Bookkeeping engagements onboarded same week.Per scope
5Review call to walk through findings, returns, or financials before anything's signed/filed.Before delivery

Business Services — Frequently Asked Questions

Do I have to be local to Moreno Valley to hire Catalyst?

No. About half of our active clients are remote — anywhere in the United States. Federal tax work is handled federally, and state work is handled per state-by-state registration. Everything runs through a secure portal.

Are services priced hourly or flat-fee?

Flat fee for nearly everything — tax returns, S-Corp setup, LLC formation, monthly bookkeeping retainers. Hourly is reserved for IRS controversy work where the scope genuinely can't be predicted up front, and even then you get an estimate before any hour is billed.

Can Catalyst handle both my bookkeeping and my taxes?

Yes — and we strongly recommend it. When the same firm keeps your books and prepares your return, the return is faster to file, cheaper to prepare, and substantially less likely to draw an IRS notice. Most of our clients use us for both.

What if I'm years behind on bookkeeping or tax returns?

That's specifically what we do. See QuickBooks Cleanup for prior-period catch-up bookkeeping, and Late Tax Filing Help for back-year tax returns. We handle clients 6 months to 6+ years behind regularly.

Can Catalyst represent me in an IRS audit or notice response?

Yes. As a CPA, Adham has unlimited practice rights before the IRS — audit, collection, and appeals. Notice responses are included for clients on a retainer.