Individual Tax Preparation
Federal and state individual income tax preparation with careful review of income, deductions, credits, investments, businesses, rental properties, and other applicable tax considerations.
Schedule a Tax Consultation
NOW ACCEPTING NEW TAX CLIENTS
Centennial Accounting Group provides professional tax preparation, tax planning, business tax, and tax resolution services throughout Colorado. From Denver and the Front Range to clients across the state, our accounting and tax team helps individuals and businesses stay compliant, reduce tax exposure, and make informed financial decisions.
New clients are currently being accepted. Schedule your consultation to discuss your tax situation with our team.
Professional tax services across Colorado
Looking for a tax accountant in Denver or elsewhere in Colorado? Centennial Accounting Group provides year-round tax support designed to go beyond simply filing a return.
We work with individuals, entrepreneurs, small businesses, established companies, and organizations throughout Colorado, while maintaining a strong presence in the Denver metropolitan area. Our clients stay with us through the year, so questions about estimated payments, a new business, a property sale, or a letter from the IRS get answered when they come up, not months later.
Tax services
Federal and state individual income tax preparation with careful review of income, deductions, credits, investments, businesses, rental properties, and other applicable tax considerations.
Schedule a Tax ConsultationTax preparation and compliance support for LLCs, partnerships, S corporations, C corporations, and other business entities.
Discuss Your Business TaxesProactive tax planning designed to help individuals and businesses understand potential tax exposure before filing deadlines arrive.
Book a Tax Planning ConsultationTax preparation and planning for S corporations, including shareholder considerations, reasonable compensation coordination, estimated taxes, and year-round tax strategy.
Book a Tax ConsultationFederal and state partnership return preparation and tax support for multi-member businesses and investment entities.
Book a Tax ConsultationTax compliance and planning support for corporations operating in Colorado and across multiple jurisdictions.
Book a Tax ConsultationAssistance reviewing IRS and state tax notices, past-due filings, tax balances, and other compliance matters. Every case is different, and no outcome is guaranteed.
Discuss Your Tax SituationSupport for individuals and businesses with income, employees, operations, investments, or filing obligations across multiple states.
Book a Tax ConsultationNew clients are currently being accepted. Pick a live time below and talk through your situation with our tax team.
Book a Tax ConsultationFor business owners
Colorado businesses work with Centennial Accounting Group for tax preparation, tax planning, accounting coordination, and support that continues after the return is filed.
Whether you need a Denver business tax accountant for a growing S corporation or Colorado business tax services for a multi-member LLC, our team prepares federal and state returns and looks ahead at the year to come. Small business tax preparation in Denver is only part of the work: Colorado business tax planning, estimated payments, entity questions, and owner compensation are reviewed together, so your business and personal returns tell the same story.

New clients are currently being accepted. Pick a live time below and talk through your situation with our tax team.
Discuss Your Business TaxesMore than tax preparation
When the people preparing your taxes also understand your books, payroll and cash flow, issues surface earlier and you get clearer visibility throughout the year, not just in April.
Why Centennial Accounting Group
Tax questions don't only happen during tax season. Our team is available throughout the year.
Support for both personal and business tax matters, often for the same client.
Serving businesses and individuals throughout Colorado with a strong Denver-area presence.
A focus on planning and preparation rather than waiting until filing deadlines.
Tax, accounting, bookkeeping, sales tax, resolution, and advisory support coordinated through one firm.
Service area
Our office is in Cherry Creek, and we serve clients across the Denver metro area and the rest of Colorado. Meet in person or by video, whichever suits you.
Looking specifically for Denver individual returns? See our Denver tax preparation page.
3773 Cherry Creek N Dr, West Tower Suite 630, Denver, CO 80209 · Monday to Friday, 9:00 AM to 5:00 PM Mountain Time
New clients are currently being accepted. Pick a live time below and talk through your situation with our tax team.
Book a Tax ConsultationFAQ
Yes. Centennial Accounting Group is currently accepting new tax clients. Prospective clients can schedule a consultation to discuss their tax situation and determine the appropriate next steps.
Yes. Centennial Accounting Group provides individual and business tax services for clients throughout Denver, the Denver metro area, and across Colorado.
Yes. We provide tax and accounting services to businesses throughout Colorado and can also assist companies with multi-state operations.
Yes. We work with both individuals and businesses, and many clients have us handle both. During the consultation we look at your business entity, your personal return, and how they connect, then agree on the right scope.
Both. Depending on your needs, our work can include preparing your returns and proactive tax planning during the year, so decisions are made before filing deadlines rather than after.
Yes. In an initial consultation our team can review prior-year filing needs, unfiled returns, and other outstanding compliance matters, and explain what would be involved in bringing them current.
Yes. We review IRS and Colorado Department of Revenue notices, explain what they mean, and help you decide how to respond. Every situation is different, so we cannot guarantee a particular result, but you will know your options.
Earlier is better. Scheduling well before a filing deadline leaves time to gather documents, plan, and avoid rushed decisions. If a deadline or notice is already close, book now and tell us the date.
New clients are currently being accepted. Pick a live time below and talk through your situation with our tax team.
Book a Tax Consultation
NOW ACCEPTING NEW TAX CLIENTS
Whether you need individual tax preparation, business tax services, tax planning, prior-year assistance, or help understanding a tax notice, open the form and choose a current consultation time.
Monday to Friday, 9:00 AM to 5:00 PM Mountain Time