Arizona business accounting and financial services — Phoenix, Tucson
Arizona

The Lowest Flat Tax in the Nation.
Are You Actually Capturing It?

Bookkeeping, payroll, Controller, and CFO services built for Arizona businesses — construction, real estate, healthcare, and professional services. We build the financial infrastructure that captures Arizona's full competitive advantage. Clean books, compliant payroll, and real-time cash flow visibility — all of it.

How We Help

Real Situations.
Real Outcomes.

Every service we offer is built around a problem Arizona business owners actually face. Here's what that looks like in practice — and what becomes possible when the financial foundation is right.

01

When the Bank Says No — And the Books Are Why

The Scenario

Picture a Chandler HVAC company — two service vans, about $340,000 in revenue, busy enough that the owner is running calls six days a week. He goes to Desert Financial for a $55,000 equipment line to buy a third van and a new diagnostic unit. The bank says no. Not because the business isn't making money — it probably is. But the books are a mess. Business expenses are mixed with personal spending. There's no job costing. The P&L looks like a disaster even though cash is coming in.

What This Unlocks

Clean financials unlock things that messy books never can: a readable P&L that shows true profitability by service type, a balance sheet that supports a credit application, and a clear picture of what the business actually earns. A Chandler HVAC company at $340K with proper job costing and clean separation between business and personal is a fundable business. The same company with mixed books isn't — regardless of how many calls the vans are running.

Phoenix Metro HVACEquipment FinancingClean Books
Bookkeeping

$55K

Equipment line — the difference between clean books and mixed ones

02

The Books Looked Fine. They Weren't.

The Scenario

A client came to us after working with a cheaper bookkeeping service for several years. On the surface, the books looked okay — revenue was being recorded, expenses were being tracked. But when we reviewed the books in detail, we found two problems that had been compounding quietly for years. First: the owner had been making capital contributions to the business — putting their own money in to cover slow months — and those contributions had been coded as revenue. That inflated taxable income every single year.

What This Unlocks

Second: equipment purchases had been coded as owner contributions instead of fixed assets. That meant the business never took the depreciation deductions it was entitled to. Thousands of dollars in write-offs, gone. When we corrected the coding, the picture changed significantly. The owner was prepared to keep paying $60,000+ in taxes they didn't owe. They didn't have to. A cheaper bookkeeper records what happens. A good one understands what it means.

Real Client ScenarioBookkeeping ReviewArizona Tax Planning
Tax Planning

$60K+

In taxes the owner was prepared to keep paying — until the books were actually reviewed

03

From $500K to $2.8M — Without the Owner Having to Be There Every Day

The Scenario

Here's what a Scottsdale consulting firm at $500,000 in revenue typically looks like: the owner is doing everything — client work, proposals, invoicing, and trying to keep up with the books on Sunday nights. She knows she's leaving money on the table but doesn't know where. She can't take a vacation. She can't hire a second consultant because she doesn't know if she can afford one. She is the bottleneck in her own business.

What This Unlocks

The path from $500K to $2.8M isn't about working harder — it's about building the financial infrastructure that lets the business run without the owner being the answer to every question. That starts with a real P&L that shows which clients and service lines are actually profitable. Then a simple dashboard: revenue by client, overhead as a percentage of revenue, a 13-week cash flow forecast. With that foundation, an owner can hire, delegate, and grow — because the numbers tell the story clearly.

Scottsdale ConsultingGrowth PathController Services
Controller Services

$500K → $2.8M

What the maturity ladder looks like when financial systems keep pace with growth

04

When the Offer Comes, You Have 3 Weeks or 9 Months

The Scenario

Here's what acquisition readiness actually looks like in practice. A Tempe tech services company — 18 employees, $4.3M in revenue, seven years of steady growth — gets contacted by a PE-backed IT services rollup. The owner wasn't actively looking to sell. But the offer was real, and the number was interesting. What happens next depends entirely on one thing: whether the books are already right.

What This Unlocks

If the financials are clean, auditable, and consistently maintained — three years of management reporting, proper revenue recognition, clean separation of service lines — due diligence takes three weeks. If they're not, it takes six to nine months to reconstruct, and half the time the deal falls apart in the process. The difference isn't luck. It's whether the financial foundation was built before the opportunity arrived.

Tempe Tech ServicesPE Acquisition ReadyArizona Business Sale
CFO Services

3 Weeks

To close due diligence — versus 6-9 months if the books aren't already right

Client Results

What 406 Has Done for Businesses Like Yours

View all case studies
CONSTRUCTION

$8M to $40M Without Outgrowing Financial Systems

  • Owner signs checks once/month — not buried in daily ops
  • Scaled 5× with financial systems that kept pace
  • Acquisition-ready books and controller-level oversight
Read the full story
FINANCING & SBA

From Bank Rejection to a $7M SBA Financing Outcome

  • Rebuilt books and projections across 5 entities from scratch
  • Delivered SBA-grade lender package that positioned the deal
  • Restructured $7M in debt — saving $20,000/month
Read the full story
TECHNOLOGY & M&A

Interim CFO Through Big 4 Diligence & Cross-Border Acquisition

  • Stepped in as Interim CFO — no disruption to operations
  • Navigated KPMG due diligence for a Canadian acquirer
  • Deal closed on the owners' terms — clean books, clean exit
Read the full story
Testimonials

What Clients Say About Working With 406

“When we came in to sign our taxes, Jason had already filled out the S-Corp election paperwork and walked us through exactly how it would save us $13,000 this year. We didn’t ask for it — he just had it ready. That’s not something we’ve ever experienced from an accountant before.”

Jessie — Multi-Location Ice Cream Shop Owner

S-Corp Election & Tax Planning

Outcome: ~$13,000 projected annual tax savings
“I’ve worked with several consultants over the years. What blew me away was how quickly Carrie understood our entire operation — top to bottom — in less than a month. I’ve never seen anyone do that.”

Steve — Owner-Operator Trucking Company

Business Turnaround & Financial Advisory

Outcome: Full operational understanding within 30 days
Day-to-Day Financial Operations

The Foundation Has to Be Right Before Strategy Matters

Most Arizona businesses have a tax preparer. Very few have clean books, compliant payroll, and real-time financial visibility. That's the foundation we build first — because without it, every other service is built on sand.

Bookkeeping

Clean Books, Every Month

Arizona businesses — construction, real estate, technology, hospitality, and professional services — all need accurate, reconciled financials maintained monthly. We use QuickBooks Online or Xero, categorized correctly for your industry, and ready for your bank, your CPA, or your partners whenever they need it.

Monthly reconciliation — bank, credit card, operating accounts
Job costing and project-level margin tracking for construction and trades
Arizona Transaction Privilege Tax (TPT) tracking and compliance
Accounts payable and receivable management
Year-end close and CPA-ready workpapers
See Bookkeeping Services
Payroll

Arizona Payroll Done Right

Arizona's fast-growing economy — driven by in-migration from California and a booming construction and tech sector — means more employees, more complexity, and more compliance exposure. We process payroll accurately and manage Arizona state withholding, unemployment insurance filings, and multi-state payroll for businesses expanding across state lines.

Full-service payroll processing — weekly, bi-weekly, semi-monthly
Arizona state income tax withholding and unemployment insurance filing
Multi-state payroll for businesses with employees in California, Nevada, or Texas
Seasonal and construction workforce payroll management
W-2 and 1099 preparation and filing
See Payroll Services
Financial Leadership

Arizona’s 2.5% Flat Tax Is the Lowest in the Nation. But That Advantage Only Works If Your Financial Infrastructure Can Capture It.

Most Arizona business owners who relocated from California are still running their finances like they’re paying 13.3% income tax — over-insured, under-invested, and leaving deductions on the table. The tax savings are real. The question is whether your books are clean enough to prove it.

Our Controller and fractional CFO services give Arizona businesses the month-end close, PTE election planning, and management reporting that turns a tax advantage into a compounding growth engine.

01

PTE Election Planning

Arizona Pass-Through Entity election — bypasses the $10K SALT cap for S-Corp and partnership owners.

02

Month-End Close

Accurate, timely financials every month — not just at tax time.

03

California Transition

FTB residency risk, domicile structuring, and clean-break documentation for CA transplants.

04

Lender & Investor Ready

Books at the standard banks and investors require — before you need them.

Tax Rate Comparison

Top Marginal Income Tax Rate — State by State

Arizona’s 2.5% flat tax is the lowest in the nation among states with an income tax. A $500K earner moving from California to Arizona saves over $53,000 per year in state income tax alone.

Source: Tax Foundation, 2024. Arizona 2.5% flat rate effective Jan 1, 2023. Nevada and Wyoming have no state income tax.

Free · 3 Minutes

Are You Capturing Arizona’s Full Tax Advantage?

6 quick questions across cash visibility, financial systems, and tax strategy. Get a score and a specific recommendation — instantly.

Take the Free Assessment
No Commitment Required

Not Ready to Call? See Exactly How We Work First.

Browse our service pages to understand what Controller, CFO, bookkeeping, and tax planning actually look like — scope, deliverables, and who it’s right for.

Free · 3 Minutes

Are You Capturing Arizona's Full Tax Advantage?

Take our 6-question assessment and find out where your financial infrastructure stands — and what's costing you money right now.

Take the Free Assessment
FAQ

Arizona Business Owner Questions

Arizona's Tax Advantage Is Real.
Let's Make Sure You're Using It.

Whether you're in Phoenix construction, Scottsdale professional services, or Tucson manufacturing — we build the financial systems that let you capture Arizona's full competitive advantage.