Accounting Firm

Semple, Marchal & Cooper, LLP

Phoenix, AZ

PCAOB-Registered FirmVerify

PCAOB-registered public accounting firm (PCAOB ID 178). Registered with the PCAOB on 2003-10-20.

Directory listing sourced from public records. To claim or update this profile, get listed.

Compare or get matched

Want options? Get 3 free quotes from similar firms.

Free matching

Tell us what you need. Up to 3 verified CPAs reply within 1 business day. No fees, no pressure.

Side-by-side

Stack verified pros next to each other on pricing, specialties, and experience before you reach out.

Free PDF

Real fee benchmarks for tax prep, bookkeeping, payroll, and advisory — by service and business type.

Internal links

Advisor-grade guides

CPA-ready playbooks and templates you can use today — instant downloads, no signup required.

The Small Business Tax & Profit Playbook

A CPA-ready guide to deductions, quarterly taxes, S-Corp strategy, owner pay, cash flow, and year-round tax planning.

Business Tax Deduction Checklist

A CPA-curated checklist of 80+ business deductions most owners miss — organized by category so you can sweep it before filing.

The Definitive Bookkeeping Cleanup & Recovery Guide

The CPA's step-by-step playbook for diagnosing messy books, reconstructing missing history, and restoring a clean, audit-ready ledger.

The Freelancer Tax Guide

The practical tax playbook for freelancers, contractors, and solo creatives — deductions, quarterly estimates, and self-employment strategies.

The Year-End Tax Planning Guide

The CPA's December playbook — practical strategies to reduce your tax bill before the year closes.

The Premium Bookkeeping Template Pack

Automated dashboards, multi-account reconciliations, and CPA-ready reporting workbooks for serious owners and bookkeepers.

Tax & Bookkeeping Resource Library

Our complete advisor-grade collection — every premium asset an owner needs to run clean books, lower taxes, and recover messy ledgers, in one bundle.