Accounting, Tax & Advisory Services
Our Denver specialists deliver more than bookkeeping services in Denver. We provide complete financial support designed to improve profitability, streamline operations, and build lasting trust. From tax services in Denver and payroll services in Denver to strategic business consulting in Denver, we help businesses stay prepared year-round.
Serving businesses in all 50 states · Tax, bookkeeping, payroll and advisory support · Denver-based, remote-friendly service
What Can We Help You With Today?
Select a service to learn more about how we can support your business.
Bookkeeping & Monthly Financials
Clean books delivered every month
Tax Preparation
Accurate, timely tax returns
Tax Planning & Strategy
Proactive savings year-round
Payroll Compliance
W-2s, 1099s, and filings handled
Sales Tax Filings
Multi-state compliance made easy
IRS Audit Defense
Expert representation when you need it
Cost Segregation Studies
Accelerate depreciation on real estate
Trusted by Denver Businesses
See why Colorado businesses choose Centennial Accounting Group as their financial partner.
"I've been working with Centennial Accounting Group for over 8 years. This firm has always taken care of me. They have great prices, I trust them and I have recommended them to all my friends and family. Thank you!"
Sam Salman
Owner, Five Stars Mechanical
"Very professional. Made sure that I understood everything that was happening as it was happening. Best accounting services I have ever received."
MaryKate Adams
Owner, MKSkin
"Centennial Accounting Group is always very professional and very knowledgeable. I would highly recommend them if you are looking for any financial services."
Abod Ali
Owner, Denver Car Choice
- Free 30-min consultation, no obligation
- Response within 1 business day
- Confidential & secure
Built for Businesses Like Yours
We specialize in supporting growing businesses across key industries nationwide.
Why Clients Choose Centennial Accounting Group
We don't just crunch numbers, we deliver outcomes that help your business grow.
Tax-Ready Books Delivered Monthly
Your financials are organized, reconciled, and ready for tax time, no scrambling required.
Proactive Planning to Reduce Surprises
We identify tax-saving opportunities throughout the year so you keep more of what you earn.
Compliance Protection Across the Board
From payroll to sales tax to IRS audits, we handle the complexity so you stay protected.
Proudly Serving Clients Coast to Coast
Serving clients nationwide with expertise across all 50 states
Comprehensive Accounting Solutions
From tax preparation to full-service bookkeeping, we provide the financial expertise your Denver business needs to thrive.
Denver Tax Preparation & Tax Services
Expert individual and small business tax preparation in Denver. We maximize deductions and maintain full compliance with Colorado and federal tax laws.
Accounting Services
Full-service accounting solutions including financial statements, reporting, compliance, and strategic guidance for your business.
Denver Bookkeeping Services
Small business bookkeeping in Denver, monthly bookkeeping, catch-up, bank reconciliation, and QuickBooks support.
Tax Planning
Year-round tax strategies to minimize liability and optimize your financial position for the future.
Accounting Consulting Services
Accounting consulting and business advisory in Denver, profitability, cash flow, entity structure, and growth planning.
Company Formation
Start your LLC today. We handle state filing, EIN, operating agreement, everything you need to launch legally.
Denver Payroll Services
Accounting and payroll services for small business, processing, tax filings, W-2s, 1099s, and multi-state compliance.
Sales Tax Services
Multi-state sales tax compliance, automated filings, and audit representation for growing businesses.
Audit Defense
Expert IRS and state tax audit representation, penalty abatement, and assessment negotiation.
CFO Services
Fractional CFO leadership, capital advisory, financial modeling, KPI dashboards, and exit planning for growing businesses.
Cost Segregation Studies
Engineering-based cost segregation for real estate owners, accelerate depreciation and unlock major first-year tax savings.
Expertise Across Industries
We understand the unique financial challenges of different industries. Our specialized knowledge helps businesses nationwide succeed.
Retail & E-commerce
Healthcare & Medical
Restaurants & Hospitality
Contractors & Construction
Real Estate & Property
Professional Services
Small Businesses
Transportation & Logistics
Don't see your industry? We serve businesses of all types nationwide.
Industries We Serve →Your Dedicated Financial Partners
Centennial Accounting Group has proudly served Denver and the greater Colorado community. Our team of enrolled agents and financial specialists brings experience to every client relationship.
We're more than just number crunchers, we're your strategic partners in achieving financial success. From startups to established enterprises, we help Colorado businesses manage their accounting, taxes, and bookkeeping with precision and care.
- Experienced accounting and tax professionals
- Colorado-based, community-focused
- Personalized service for every client
- Year-round support, not just at tax time
Excellence
We hold ourselves to the highest standards of accuracy and professionalism.
Integrity
Honesty and transparency guide every client relationship we build.
Responsiveness
Your questions get answered quickly. Your deadlines are our deadlines.
Tell Us About Your Business
Send us a quick message and we'll point you in the right direction, no pressure, no obligations.
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Explore Our Most Requested Services
Bookkeeping Catch-Up
Behind on your books? We'll get you current fast.
Learn more about Bookkeeping Catch-UpS-Corp Election Strategy
Save on self-employment taxes with the right structure.
Learn more about S-Corp Election StrategySales Tax Compliance
Multi-state filing and nexus analysis made simple.
Learn more about Sales Tax ComplianceIRS Audit Defense
Expert representation when you receive a notice.
Learn more about IRS Audit DefenseDenver Accounting FAQs
Where is Centennial Accounting Group located in Denver?
Centennial Accounting Group is a Denver-based accounting and tax firm serving Denver, Aurora, Centennial, Lakewood, and the surrounding metro. Call (720) 603-9700 or book a free consultation online.
Do you handle bookkeeping for Denver small businesses?
Centennial Accounting Group provides monthly bookkeeping, catch-up bookkeeping, and QuickBooks cleanup for Denver small businesses. Most new clients start with a free 30-minute consultation.
Do you prepare tax returns in Denver, Colorado?
Yes. We prepare individual and business tax returns for Denver residents and Colorado businesses, including S-corps, LLCs, and partnerships. Same-week appointments are usually available.
What are your office hours?
Our Denver office is open Monday through Friday from 9 AM to 5 PM Mountain Time. You can also book a consultation online any time.
How much do your accounting services cost?
Bookkeeping typically starts around $400 per month and tax returns start around $350, depending on complexity. We provide a fixed-fee quote after your free consultation, no surprise billing.
A Better Accounting Partner Starts Here
Join the businesses who trust Centennial Accounting Group for reliable, year-round financial support.
Free 30-minute consultation • No obligation • Serving clients nationwide
Know Someone Who Needs Our Services?
We love referrals! Earn free tax returns, discounts, and even revenue share opportunities when you refer business owners and professionals to us.
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Serving all of Colorado
Virtual & in-person meetings
Thank you for spreading the word about Centennial Accounting Group. Your trust and referrals mean the world to us!