About NEXACC · Est. 2021 · Phoenix, AZ · Serving clients nationwide
NEXACC was founded in 2021 with a simple premise: an owner-led company deserves the same financial discipline as a funded corporation — accurate books, compliant payroll, proactive tax, and clean revenue collection — without hiring a department to get it. Five years on, we run that back office for companies from first-year startups to multi-entity groups, in Arizona and well beyond.
2,021
Founded
Phoenix, Arizona
Hundreds [VERIFY]
Businesses served
Exact count confirmed annually
14+
Years of founder experience
Accounting, finance and operations
7
Home states, clients nationwide
Arizona, Maine, New Jersey, North Dakota, Oregon, Washington, Texas
Day 5
Median month-end close
Business day 5
96%
First-pass claim acceptance
Medical billing book
Figures are drawn from our engagement records and are refreshed annually.
Mission · Vision · Values
Behind every ledger there is a person who signs the checks, makes payroll on Friday, and lies awake on the 28th wondering whether the month worked. We have never met a “small” business. We have met founders betting their savings, practice owners treating patients all day and chasing claims all night, tradespeople pricing jobs off last quarter’s numbers, and executives who need six entities to tell one true story. Each of them deserves to be understood before they are advised. That is the standard NEXACC was built on in 2021, and it is the standard we keep — in Arizona and in every state we serve.
To give every business we serve — whatever its size, wherever it operates — financial operations that are accurate, on time, and understood, so that the people who run it can decide with confidence instead of guessing with hope.
A country where the size of a business never decides the quality of its financial management — where the owner of a two-person shop and the CFO of a fifty-person group work from the same clean numbers, the same calm, and the same clarity about what comes next.
We measure progress toward it one closed month at a time.
Values are only real if they cost something. Each of ours shows up in a habit you can check.
We ask before we tell. Every engagement starts with understanding what keeps you up at night and what “good” would look like for you — not with a package. You are not a ticket number or a transaction count; you are the reason the work exists.
Habit: A 30-minute consultation before any proposal, and a scope written around your situation, not ours.
Books that flatter you are worthless. If margins are thinner than you thought, if a claim pattern is bleeding revenue, if the entity structure is going to cost you at tax time, you will hear it from us first, clearly, with a plan attached.
Habit: Every monthly close includes a “what to watch” section. Nothing is buried.
The most valuable thing a finance team can give an owner is the ability to stop thinking about finance. We take that seriously. Deadlines are tracked before they arrive, notices are handled before they escalate, and the close lands on the same day every month so you can plan your life around it.
Habit: Business-day-5 close, deadline calendar for every state you touch, one-business-day reply.
One lead accountant is accountable for your whole picture — books, payroll, tax, billing, credentialing. When something crosses a line between services, it is still our problem, not yours to referee between vendors.
Habit: A named lead with a direct line. “That’s not our department” is not a sentence we use.
Trust should not require faith. Our credentials link to the bodies that issued them, our prices are published, our standards are written into engagement letters. Judge us on evidence.
Habit: Every badge on this site clicks through to Intuit, the BBB, the IRS or the USPTO. Prices are public and identical in every state.
You did not start a clinic to become a billing expert, or a construction company to master multi-state payroll, or a startup to learn ASC 606. We honor your craft by carrying the financial craft for you — with the same seriousness you bring to yours.
Habit: Specialists on each service line: certified medical billers, multi-state payroll specialists, year-round tax planners, senior accountants on every close.
The best outcome of our work is a business that becomes stronger than it needs us to be — cleaner books for a sale, a model that survives a lender, a founder who finally reads their own P&L with confidence. We build toward your independence, not your dependence.
Habit: No long-term contracts. Written summaries that teach, not just report. Lender-ready and investor-ready files on request, any month.
Different businesses carry different weights. Here is what we understand about yours before we ever open your books.
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“I started NEXACC because I had spent fourteen years watching good businesses make bad decisions on bad numbers — not because the owners were careless, but because no one had ever given them numbers they could trust and understand. Every client we take on, from a one-person startup to a multi-entity group, gets the same promise I would want for my own company: tell me the truth, tell me on time, and tell me in a way I can act on. Everything else on this page is just that promise, written down.”
Julius Ndahiro — Founder, Managing Partner & CFO
Read Julius’s profileThirty minutes, no pitch, no obligation. Tell us the one thing about your finances you’d rather not think about, and we’ll tell you exactly what we’d do about it.
Julius Ndahiro — Founder, Managing Partner & CFO
Julius has spent more than 14 years inside the numbers of real businesses — in accounting and finance leadership, in building and running professional teams, and as an owner himself. Before founding NEXACC in 2021 he led finance functions where the books, payroll, tax and cash had to reconcile every month because decisions depended on them. He built NEXACC to bring that standard to companies that had never been offered it.
He remains hands-on: every NEXACC engagement is scoped by Julius, and every monthly close is reviewed under his standards before it is delivered. He also serves as CFO and co-founder of an integrated agribusiness group in East Africa — experience that shapes how NEXACC thinks about cash discipline, multi-entity structure and operating in more than one jurisdiction at once.
NEXACC is not a generalist bookkeeper who “also does” payroll. Each service line is run by people who have done that work for years — and every client has a single lead accountant who is accountable for all of it.
Senior accountants who have run month-end for multi-entity groups, startups through Series B, and cash-based trades businesses. Every ledger is reviewed by a second set of eyes before it goes out.
Meet the teamCertified billers with deep experience in behavioral health, medical and dental practices, working daily inside Kipu, TheraNest, Avea, ICANotes, BestNotes, SimplePractice and the major clearinghouses. They know Medicaid programs by name — AHCCCS, MaineCare, NJ FamilyCare, Apple Health, Oregon Health Plan, Texas Medicaid — and how each one denies a claim.
Meet the teamMulti-state payroll specialists who track state withholding, paid-leave programs, unemployment accounts and sales-tax nexus so registrations happen before the first paycheck, not after the first notice.
Meet the teamPlanners who work year-round, not in April: entity strategy, estimated payments, state filings, and representation when an IRS or state notice arrives.
Meet the teamOperators who build 13-week cash models, lender-ready plans and driver-based forecasts, and who sit in the room when the decision is being made.
Meet the teamEvery engagement is staffed by a dedicated lead in a U.S. time zone, with senior review behind them. Individual team members are introduced directly during onboarding.
Managing Partner & CFO
Fractional CFO engagements, tax strategy, multi-entity structuring
Senior Accountant, Close & Reporting
Month-end close, multi-entity consolidations, second-tier review
Revenue Cycle Lead, Medical Billing
Behavioral health and primary care claims, denials, A/R follow-up
Credentialing Specialist
Payer enrollment, CAQH maintenance, Medicaid program applications
Payroll & Compliance Specialist
Multi-state payroll, withholding registrations, sales-tax nexus
Client Accounting Manager
Onboarding, workflow automation, day-to-day client communication
US-based lead accountants. Senior review on every deliverable. No offshoring of your books without your written consent.
Proof: the close date is written into every engagement letter.
Proof: reconciliation reports are attached to each monthly package.
Proof: prices are published at /pricing and are the same in every state.
Proof: a named lead accountant with a direct line, not a ticket queue.
Proof: what changed, what to watch, what we recommend — in plain English.
Proof: IRS and state correspondence comes to us first and goes back with a resolution plan.
We work with companies at every stage — the founder who just registered an LLC, the practice adding a third location, the group consolidating six entities before a sale. What they share is the need for numbers they can act on.
and remote clients across the U.S.
NEXACC is a Phoenix, Arizona firm — our office is open for in-person meetings, and we know Arizona TPT, AHCCCS and local lenders first-hand. But since 2021 our client base has grown well past state lines. We now serve businesses and practices across the country, with concentrated experience in Maine, New Jersey, North Dakota, Oregon, Washington and Texas — including resolving state revenue-department audits, setting up state paid-leave programs, and enrolling providers with state Medicaid plans. Every client, local or remote, gets the same close calendar, the same published price and the same lead accountant.
7321 S 15th Dr, Phoenix, AZ 85041
Every accreditation below links to the issuing body. Click any of them.
Credentials | Verified, not claimed
Every badge below links straight to Intuit's directory — click any one and confirm it yourself. No screenshots, no claims you have to take on faith.
QuickBooks OnlineCertified — Level 2Cloud ledgers, bank feeds, month-end close
QuickBooks DesktopCertifiedLegacy files, job costing, clean migrations
QuickBooks EnterpriseCertifiedInventory, advanced reporting, user roles
QuickBooks WorkforceCertifiedPayroll records and employee self-service
Intuit Enterprise SuiteCertifiedMulti-entity groups and consolidationsNEXACC is an independent accounting firm and a member of the QuickBooks ProAdvisor Program. QuickBooks and Intuit are trademarks of Intuit Inc.
NEXACC is an independent accounting firm and a member of the QuickBooks ProAdvisor Program. Attest services (reviews and audits) are not performed by NEXACC.
“Working with NEXACC has been the most rewarding decision my company has ever made. Our books finally reconcile every month and I know where we stand before the close is even finished.”
Dushime Ines
Founder & Owner · Professional services firm
Trustpilot Verified ReviewThirty minutes. Bring your current setup and your biggest frustration. You'll leave with a clear read on what we'd do about it — whether or not you hire us.
Reviews: BBB · ProAdvisor · Trustpilot
