Colorado · CO

Find CPAs & accounting professionals in Denver

Denver CPAs serve tech, aerospace, cannabis, and the Front Range's outdoor and energy economies.

Denver directory

Verified professionals serving Denver

As verified CPAs, accountants, and firms claim profiles, they will appear here. Be among the first listed in Denver.

Local hiring guide

Common CPA services in Denver

The work Denver residents and small businesses most often hire a CPA to handle.

  • Annual business and individual tax preparation
  • Tax planning and quarterly estimates
  • Bookkeeping and monthly close
  • Entity selection and formation (LLC, S-corp, C-corp)
  • Payroll setup and filings
  • IRS notice response and audit representation
  • Financial statement preparation (compilation / review)

Average CPA pricing

What CPAs typically cost in Denver

Typical fee ranges across common engagement types. Final pricing depends on complexity, deadlines, and any cleanup work required.

Individual return

W-2 households, RSU/equity comp, real estate owners

$350 – $1,000

Small business return

Tech S-corps, cannabis dispensaries, outdoor brands

$1,200 – $4,000

Monthly bookkeeping + tax

Growing SaaS, cannabis, and retail brands

$750 – $3,000 / mo

Fractional CFO

VC-backed startups and multi-state cannabis operators

$3,000 – $9,000 / mo

Illustrative ranges only — request quotes from listed CPAs for exact pricing.

Local business requirements

What Denver businesses need to file and renew

State and local filings most often missed by out-of-state or newly formed businesses.

Denver business license

City and County of Denver requires a sales/use tax license (free) for any business making retail sales, plus occupational privilege tax (OPT, $5.75/mo per employee earning $500+).

Home-rule sales tax

Denver self-administers its 4.81% city sales tax separately from the 2.9% state tax — businesses file with both Denver Treasury and the state Department of Revenue.

Cannabis tax

Colorado adds a 15% retail marijuana excise tax and 15% retail sales tax on top of standard sales taxes — a major engagement area for cannabis CPAs.

Industries

Small-business industries shaping Denver

The local economy your Denver CPA should already know how to serve.

Tech & software

Aerospace & defense

Cannabis

Energy & renewables

Outdoor recreation & apparel

Decision guide

When to hire a CPA vs. a bookkeeper

A bookkeeper records the past. A CPA shapes the future — taxes, structure, strategy.

Hire a bookkeeper when…

  • You need day-to-day transaction categorization and bank reconciliations
  • You want monthly financials but no tax filings or planning
  • Revenue is under ~$500K and your structure is simple (sole prop / single-member LLC)
  • You already have a CPA for taxes and just need clean books

Hire a CPA when…

  • You're filing business taxes (S-corp, C-corp, partnership)
  • You need tax planning, entity restructuring, or multi-state filings
  • You received an IRS or state tax notice or are facing an audit
  • You're raising capital, selling a business, or doing equity comp planning
  • Your books are a mess and you need cleanup plus a long-term advisor

Before you sign

Questions to ask any Denver CPA before hiring

Use this checklist on your first call. Strong CPAs welcome these questions.

  1. Are you a licensed CPA in this state? What's your license number?
  2. What industries do you specialize in, and how many clients like me do you serve?
  3. Who actually does the work — you, a staff accountant, or an offshore team?
  4. How do you bill — hourly, fixed-fee, or monthly retainer? What's typical for my size?
  5. What software do you use (QuickBooks, Xero, NetSuite), and do I get access to my files?
  6. How do you handle IRS notices or audits if they come up later?
  7. What's your response-time expectation during and outside of tax season?
  8. Can you provide references from clients in my industry?

Stay compliant

Tax deadlines and Colorado notes

Federal deadlines plus the state and local filings that catch most filers off guard.

Apr 15

Colorado individual income tax due — flat 4.4% rate.

Apr 15

Colorado corporate income tax due — flat 4.4% rate.

Monthly / quarterly

Colorado state sales tax + home-rule city sales tax (Denver self-administers at 4.81% city + 8.81% combined).

Apr 30

Denver Personal Property Declaration due to the City Assessor.

Jan 31

W-2s and 1099-NEC due to recipients and the IRS.

Mar 15

S-corp (1120-S) and partnership (1065) returns or 6-month extension.

Apr 15

Individual (1040) and C-corp (1120) returns; Q1 estimated taxes due.

Jun 16

Q2 estimated taxes due.

Sep 15

Q3 estimates; extended S-corp and partnership returns due.

Oct 15

Extended individual and C-corp returns due.

Informational only — not tax advice. Confirm current deadlines with your CPA or the relevant authority.

Nearby

Nearby cities to Denver

Major metros our directory also serves.

FAQ

Frequently asked questions about CPAs in Denver

How much does a CPA cost in Denver?

Denver CPAs typically charge $225–$475/hour, individual returns $350–$1,000, and small-business returns $1,200–$4,000. Cannabis CPAs charge a significant premium because of 280E tax complexity and additional excise filings.

What is Denver's Occupational Privilege Tax?

Denver's OPT is a 'head tax' of $5.75/month per employee earning $500+ within Denver, plus $4/month employer share. It's filed quarterly with Denver Treasury — often missed by out-of-state employers placing remote staff in Denver.

How do Colorado home-rule sales taxes work?

71 Colorado cities (including Denver) self-administer their own sales tax separately from the state. Businesses selling into multiple home-rule cities may need to register and file with each city individually — though the Colorado SUTS portal now centralizes most filings.

Compare your options

Hiring a verified Denver CPA vs. DIY

FactorVerified Denver CPADIY / generalist
Local tax knowledgeDenver state + local filingsFederal only
Audit defenseRepresents you to the IRSYou handle correspondence
Year-round planning
Typical fee$200–$3,500 / engagement$0 software + your hours
Specialty matchIndustry-experiencedGeneral-purpose

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2026 CPA Pricing Guide

Real fee benchmarks for tax prep, bookkeeping, payroll, and advisory — by service and business type.

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