Orange County's Full-Service Accounting Firm

Financial Clarity
That Powers Your
Business Forward

Over 25 years of personalized accounting, tax, and business consulting for Corporations, LLCs, Sole Proprietors, Trusts, Estates, and Individuals — across Orange County, Los Angeles County, and out of state.

25+
Years of Experience
6
Entity Types Served
10+
Service Specialties
Why Newport ATS

Built on Trust. Backed by Experience.


25+

Years of Experience

More than two decades serving Corporations, LLCs, Sole Proprietors, Trusts, Estates, and Individuals across Southern California and beyond.

Genuinely Personalized

Every client receives a custom-built plan. We invest real time understanding your needs before recommending a single service.

Full-Spectrum Services

From bookkeeping and payroll to business formation and audit support — one trusted firm for every financial need.

Multi-Region Reach

Serving Orange County, Los Angeles County, and out-of-state clients with the same consistent, high standard of care.

Trust & Reliability, Always

Our client relationships are built on a foundation of integrity — you know you can count on us to deliver, every single time.

Flexible Availability

Open Mon–Fri 9AM–5PM and Saturday 10AM–2PM, with Sunday appointments available — because your schedule matters.

What We Do

Every Financial Need, One Trusted Partner.

From day-to-day bookkeeping to complex tax strategy and audit support — we handle every dimension of your financial operations with precision and care.


Full Service Accounting

Comprehensive accounting management that keeps your financials accurate, compliant, and ready to support every business decision.

Tax Services

Strategic tax preparation and planning for individuals, corporations, LLCs, trusts, and estates — designed to minimize liability.

Bookkeeping

Meticulous, organized bookkeeping that gives you a clear, real-time picture of your financial health without the administrative burden.

Payroll Support

Accurate, timely payroll processing and tax compliance so your team gets paid correctly and your business stays compliant.

Sales Tax Reporting

Reliable sales tax calculation, reporting, and filing to keep your business fully compliant across all applicable jurisdictions.

Business Formation

Expert guidance to structure and launch your business correctly from day one, setting the foundation for long-term success.

Business Consulting

Strategic advice grounded in deep financial expertise to help you make smarter decisions and drive sustainable growth.

Audit Services

Professional audit support to help you navigate the process with confidence, accuracy, and the assurance that your records are airtight.

Accounting Software Solutions

QuickBooks Pro Advisory, software conversions, installation, and hands-on training to maximize your accounting platform.

Insurance Support

Guidance on how insurance intersects with your business finances, ensuring you're properly covered and accurately recorded.

Newport Accounting team at work
Professional accounting consultation
10+
Service Specialties
Newport Accounting & Tax Services - Newport Beach office
About Our Firm

A Relationship Built on Trust & Reliability

At Newport Accounting & Tax Services, every professional relationship is built on two uncompromising foundations: trust and reliability. For over 25 years, clients across Orange County, Los Angeles County, and out of state have counted on us — because we show up, follow through, and always work in their best interest.

We serve the full spectrum of clients: Corporations, LLCs, Sole Proprietors, Trusts, Estates, and Individuals. No matter your structure or stage of growth, you receive the same depth of expertise and the same personalized attention.

Headquartered in Newport Beach, California, our firm blends the sophistication of a seasoned accounting practice with the personal touch of a boutique relationship. When you work with Newport Accounting & Tax Services, you're not a case number — you're a long-term partner.

Serving OC, LA County & Out-of-State clients
Certified QuickBooks Pro Advisor
All entity types: Corporations, LLCs, Trusts, Estates & Individuals
Boutique, personalized approach — never a case number
Work With Us
Why We're Different

Expertise You Can Actually Rely On

25+ Years of Proven Expertise

Decades of real-world experience across every entity type means we've seen your situation before — and we know how to solve it.

Certified QuickBooks Pro Advisor

From software selection and installation to team training and ongoing optimization, we make QuickBooks work the way your business needs it to.

Customized for Every Client

No two businesses are alike. We invest the time to understand your unique needs before crafting a service plan designed specifically for you.

One Firm, Every Financial Need

Accounting, tax, payroll, audits, business formation — we cover every facet of your financial operations so you never juggle multiple providers.

Serving OC, LA & Out of State

Whether you're in Newport Beach, across Los Angeles County, or operating out of state, we deliver the same high standard of service.

Growth-Focused Consulting

We go beyond the numbers — our business consulting services translate financial insight into actionable strategies that help your business grow.

How It Works

From First Call to Long-Term Partnership

1

Initial Consultation

We begin with a focused conversation to understand your business structure, financial situation, and what you need most from an accounting partner.

2

Needs Assessment

We evaluate your accounting, tax, and compliance landscape to identify gaps, risks, and opportunities unique to your situation.

3

Custom Service Plan

Based on your assessment, we design a tailored plan that matches your specific requirements — no bundled services you don't need.

4

Expert Execution

Our team handles your accounting, tax filings, payroll, reporting, and more with precision and on-time delivery you can depend on.

5

Ongoing Partnership

We stay actively engaged year-round, providing proactive guidance and adjustments as your business evolves and your needs change.

Common Questions

Frequently Asked Questions

We serve Corporations, LLCs, Sole Proprietors, Trusts, Estates, and Individuals. Whether you're a growing business or an individual with complex tax needs, we have the depth of experience to help.

No — we serve clients throughout Orange County and Los Angeles County, as well as clients operating out of state. We're structured to work effectively with clients wherever they're located.

Yes. As a certified QuickBooks Pro Advisor, we help businesses select the right version, handle installation, train staff, and optimize the software for your specific workflows.

Absolutely. Our business formation services guide you through choosing the right entity structure and setting everything up correctly from the start — so you're built for both growth and compliance.

Yes. We provide full payroll support to ensure your employees are paid accurately and on time, while keeping you compliant with all payroll tax obligations.

We specialize in accounting software conversions, ensuring a smooth transition with no loss of historical data, plus training so your team hits the ground running on the new platform.

We're open Monday through Friday from 9:00 AM to 5:00 PM, and Saturday from 10:00 AM to 2:00 PM. Sunday appointments are also available by request for clients who need added flexibility.

Simply call us at 949.290.6735 or reach out via email to schedule an initial consultation. We'll take it from there and make the process straightforward.

Ready to Get Started?

Let's Build Your Financial Clarity Together

Schedule a consultation with Newport Accounting & Tax Services today. Over 25 years of expertise, personalized to your unique situation.


Phone
949.290.6735
Email
kristi@newportats.com
Location
Newport Beach, CA
Hours
Mon–Fri 9AM–5PM
Sat 10AM–2PM · Sun by Appt