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Your Trusted Partner for Accounting & Tax Solutions
For over four decades, Don Armstrong, Inc. has dedicated itself to meeting the financial needs of small businesses and individuals with unwavering professionalism and respect. Our team combines expertise, experience, and energy to ensure every client receives personalized attention tailored to their unique circumstances. As a firm built on integrity, we pride ourselves on maintaining high standards, delivering specialized knowledge, and offering the collective expertise of our entire team to every client. Our commitment to continuous professional education ensures we remain at the forefront of tax and financial expertise, providing insightful advice to help clients make informed decisions.

We prioritize responsiveness, ensuring prompt communication, flexible appointments, and timely delivery of tax returns and financial statements. With a legacy rooted in Oklahoma, our team brings diverse business experience across industries, including accounting, payroll, hospitality, and real estate, positioning us to serve clients comprehensively. Our approach emphasizes trust, transparency, and a dedication to exceeding client expectations through every interaction.
Services
Tax Preparation Tax Planning IRS Audit Representation Payroll Services Business Accounting
Highlights and features
  • We offer 40+ years of combined experience in accounting and tax services.
  • Our team includes licensed CPAs with expertise across multiple industries.
  • We provide personalized service with prompt communication and flexible appointments.
  • Our professionals hold advanced degrees and certifications in taxation and accounting.
  • We combine technical expertise with a deep understanding of local business needs.
What people say
Expertise Personalized service Prompt communication Trusted advisor Long-term reliability
Services
Tax Preparation
Our tax preparation services ensure accurate and timely filing for individuals and businesses. We specialize in navigating complex tax codes to maximize refunds and minimize liabilities. With personalized attention, we address unique financial situations while maintaining compliance with federal and state regulations.
IRS Audit Representation
We provide expert representation during IRS audits, protecting your interests with professional advocacy. Our team handles all communications and documentation, leveraging deep tax code knowledge to resolve disputes efficiently. Clients receive strategic guidance to navigate audit processes with confidence.
Payroll Services
Comprehensive payroll solutions ensure accurate employee payments and tax compliance. We manage payroll processing, tax filings, and year-end reporting, allowing businesses to focus on operations. Our services reduce administrative burdens while maintaining adherence to evolving labor regulations.
Business Accounting
We deliver tailored accounting solutions for small businesses, including financial statement preparation and cash flow management. Our services support informed decision-making through accurate financial tracking and analysis. Clients benefit from customized reporting to enhance business performance and growth strategies.
Tax Planning
Proactive tax planning helps individuals and businesses optimize financial outcomes year-round. We develop strategies to reduce tax liabilities while aligning with long-term goals. Our approach combines technical expertise with personalized advice to ensure tax-efficient financial planning.
People
Don W. Armstrong
CPA, Founder
With over 40 years of experience, Don Armstrong combines expertise in accounting, payroll, and business ownership across diverse industries. He graduated from the University of Baltimore and previously worked with national and local CPA firms before founding his practice.
Michelle Linnemann
Accountant
Michelle brings 30+ years of accounting and payroll experience, including business ownership in antiques and veterinary services. A Norman native, she graduated from the University of Oklahoma and actively contributes to local organizations like Business Networking International.
Sherry Hill
Payroll Specialist
Sherry has worked with Don Armstrong CPA for 20 years, specializing in payroll services. She previously owned multiple businesses and serves as treasurer for organizations including Cleveland County Habitat for Humanity, demonstrating her financial expertise and community commitment.
Lauren Walls
CPA
Lauren joined the firm in 2014, offering 25+ years of experience in accounting and tax services. A University of Texas at Arlington graduate, she serves diverse industries including oil & gas and healthcare while actively participating in Norman's homeschool community.
Questions
What accounting services do you offer for small businesses?
We provide tax preparation, financial statements, cash flow management, payroll services, and business advisory solutions tailored to small businesses.
Do you offer free initial consultations?
Yes, we provide complimentary initial consultations to understand your financial needs and recommend appropriate services.
How do you handle IRS audit representation?
Our CPAs professionally represent clients during IRS audits, managing communications and documentation to resolve issues efficiently and protect your interests.
Are your accountants certified professionals?
Yes, our team includes licensed CPAs with advanced degrees and certifications in taxation and accounting specialties.
What areas do you serve?
We primarily serve Norman, Oklahoma, and surrounding communities, offering personalized accounting solutions for local businesses and individuals.