Phoenix, AZ · Accounting Firms
Find an Accounting Firm in Phoenix, AZ
Compare multi-partner accounting firms for the full range of services — tax, audit, bookkeeping, and advisory — under one roof. Match firm size and specialty to what your business actually needs. Serving Phoenix, AZ and the surrounding region — Phoenix CPAs serve semiconductors, real estate, healthcare, and one of the country's fastest-growing small-business markets.
Why Phoenix clients hire firms
Local context for accounting firms in Phoenix, AZ
Dominant local industries
- Semiconductors (TSMC, Intel ecosystem)
- Real estate & construction
- Healthcare
- Aerospace & defense
- Tourism & hospitality
Arizona tax climate
Arizona has a flat 2.5% personal income tax — one of the lowest flat rates in the country — and a 4.9% corporate income tax. Transaction Privilege Tax (TPT) is the state's gross-receipts sales tax.
Key local deadline
Apr 15
Arizona individual income tax due — flat 2.5% rate (one of the lowest flat rates in the country).
When to hire
- You need more than one service (tax, audit, bookkeeping, advisory) and want one relationship
- Your business is growing past what a solo practitioner can support
- You need an audit, review, or compilation for a lender or investor
- You want bench depth so one person leaving doesn't disrupt your engagement
- You operate across multiple entities, states, or business lines
What they do
- Tax compliance and planning across individuals, businesses, and entities
- Audit, review, and compilation engagements
- Bookkeeping and outsourced accounting oversight
- Advisory: CFO-level guidance, M&A support, valuation
- Multi-state and multi-entity coordination
Typical fees
What it costs
Low end
$1,500
per month for ongoing engagements
High end
$8,000+
per month for ongoing engagements
Notes
Partner rates typically run $300–$650/hr, senior managers $200–$400/hr, staff $100–$200/hr. Fixed-fee monthly retainers for small-to-midsize businesses commonly run $1,500–$8,000/month depending on service scope.
Compare
Multi-Partner Firm vs Solo Practitioner
| Factor | Multi-Partner Firm | Solo Practitioner |
|---|---|---|
| Bench depth | Team continuity if one person leaves | Single point of failure |
| Service breadth | Tax, audit, bookkeeping, advisory under one roof | Usually tax-focused only |
| Audit / assurance capability | Available at most firms | Rare |
| Personal relationship | Varies by firm size | Typically closer, more personal |
| Typical cost | Higher, reflects team overhead | Lower, direct relationship |
Questions to ask
- What's the partner-to-staff ratio, and who actually works on my account?
- What industries make up most of your client base?
- Do you handle audit and assurance work, or only tax and bookkeeping?
- What's your escalation process if my usual contact is unavailable?
- How do you price — hourly, fixed monthly, or project-based?
- Can you support us if we expand to new states or entities?
Red flags
- Can't clearly explain who on the team handles your day-to-day work
- No peer review or quality-control documentation available on request
- Pushes a one-size-fits-all package regardless of your industry
- Unclear or shifting pricing without a written engagement letter
- No experience with your entity structure or multi-state footprint
Documents to prepare
- Last 2–3 years of business and personal tax returns
- Current financial statements or bookkeeping file
- Entity documents: formation, EIN, ownership structure
- Any lender, investor, or bonding reporting requirements
- List of services you're consolidating from other vendors
By city
Accounting Firms in Phoenix in major U.S. cities
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Accounting Firms serving Phoenix, AZ
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FAQ
Accounting Firms in Phoenix — common questions
How much does accounting firms cost in Phoenix?+
Phoenix accounting firms typically charge $1,500–$8,000+ per month for ongoing engagements. Partner rates typically run $300–$650/hr, senior managers $200–$400/hr, staff $100–$200/hr. Fixed-fee monthly retainers for small-to-midsize businesses commonly run $1,500–$8,000/month depending on service scope.
Do I need a Arizona-licensed CPA to work with a accounting firms in Phoenix?+
For Arizona state filings, your preparer should hold a CPA license from the Arizona Board of Accountancy or be an Enrolled Agent. Out-of-state pros can prepare your federal return but should not sign as a CPA on Arizona returns. Arizona has a flat 2.5% personal income tax — one of the lowest flat rates in the country — and a 4.9% corporate income tax.
What's the difference between an accounting firm and a solo CPA?+
A firm has multiple licensed CPAs plus support staff, giving it bench depth and broader service capability. Solos work alone or with one or two assistants, often at lower cost with a more personal relationship.
How do I evaluate an accounting firm before hiring?+
Check peer-review status, partner-to-staff ratio, industry concentration, software stack, and typical turnaround times. Ask for two or three references from clients in your industry and get a sample engagement letter before committing.
How much do accounting firms charge?+
Partner rates typically run $300–$650/hour, senior managers $200–$400/hour, and staff $100–$200/hour. Fixed monthly retainers for small-to-midsize businesses commonly run $1,500–$8,000 depending on scope.
Do I need a firm that offers audit services?+
Only if you need an audit, review, or compilation — commonly required by lenders, investors, bonding companies, or grant funders. Not every firm offers assurance services, so confirm this upfront if you might need it.
Can an accounting firm handle multiple entities or states?+
Most multi-partner firms can, which is one of the main reasons growing businesses move from a solo practitioner to a firm — consolidated tax and reporting across entities and jurisdictions under one relationship.
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2026 CPA Pricing Guide
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