MyBest Denver

The 15 Best Accounting Firms in Denver

Denver accounting firms serve very different needs, from routine tax planning for a small business to outsourced finance leadership, bookkeeping recovery or a formal business valuation. The right choice depends on your entity, industry and stage of growth.

This comparison brings forward firms serving trades, law practices, real estate, short-term rentals, Colorado owners and businesses moving beyond basic bookkeeping.

How this guide is ordered

The order reflects the specificity of each firm’s stated fit for business size, industry and accounting need. Tax strategy, bookkeeping, valuation, controller support and specialized business experience carry more weight than a broad service label alone. Some eligible businesses may purchase enhanced visibility, which can influence their placement.

Top 3 Ranking Map How to choose

Explore 15 Accounting Firms in Denver

Citadel CPA Group LLC #1

Citadel CPA Group LLC

583 reviews
6041 S Syracuse Way #310, Centennial, CO 80112, United States
Best for
Small-business tax planningReal-estate tax strategy

Citadel CPA Group is a Denver certified public accounting firm serving individuals and businesses with tax preparation, accounting, and proactive tax planning. Its work is organized through cloud-based tools that let clients upload documents, review returns, sign electronically, and access financial information without relying entirely on in-person paperwork.

The firm is particularly relevant to small-business owners, real-estate investors, entrepreneurs, and individuals managing trusts or estates. Tax strategy extends beyond filing, with attention to property decisions, business planning, and ways to understand the broader effects of financial choices. Explanations are presented in a clear, structured format, including video walkthroughs of completed returns. Appointments are recommended for consultations and tax-planning work.

What stands out
  • Cloud-based tax and accounting workflow

Colorado Business CPA, LLC #2

Colorado Business CPA, LLC

4.8114 reviews
The Edward Building, 8400 E Prentice Ave #1401, Greenwood Village, CO 80111, United States
Best for
Colorado small-business ownersBusiness valuations and tax planning

Colorado Business CPA, LLC is a Denver certified public accounting firm focused on small-business tax planning, preparation, and broader financial strategy. The practice works with business owners on deductions, entity decisions, tax liabilities, financial statements, valuations, and advisory needs rather than treating tax filing as an isolated annual task.

Its approach is suited to owners who want a clearer view of how accounting decisions affect growth and long-term business value. The firm also serves individuals and families, with detailed explanations designed to make complex tax situations easier to follow. Consultations are available online as well as through scheduled appointments. Advance scheduling is important, particularly for business advisory or planning work.

What stands out
  • Strategy-led support for business owners

SBA CPA #3

SBA CPA

4.975 reviews
7823 W 38th Ave, Wheat Ridge, CO 80033, United States

SBA CPA is a Denver accounting firm providing integrated bookkeeping, accounting, payroll, tax, and business consultation services. Its model is built for small and mid-sized businesses that need more than routine record keeping, with customized support intended to improve financial management, profitability, and day-to-day decision-making.

The firm also provides virtual CFO guidance and business consulting, giving growing companies access to higher-level financial planning without building a full internal finance department. Services are adapted to different industries and can include support for acquisitions, mergers, and organizational changes. SBA CPA also works with individual tax matters, making it a useful option for owners who prefer business and personal financial support under one practice.

What stands out
  • Integrated accounting and virtual CFO support

Hristopoulos CPA's #4

Hristopoulos CPA's

557 reviews
6050 Greenwood Plaza Blvd Ste 110, Greenwood Village, CO 80111, United States
Best for
Service businesses and tradesPersonal and business tax planning

Hristopoulos CPA’s is a Denver certified public accounting practice handling personal and business taxes, bookkeeping, payroll, tax preparation, and IRS-related matters. Its work emphasizes proactive planning, looking at income, expenses, assets, liabilities, and longer-term goals rather than limiting the relationship to return filing.

The practice is well suited to service businesses, trades, independent professionals, corporations, partnerships, and fiduciary situations. A straightforward online portal supports document exchange and communication, while the firm’s explanations are designed to make tax obligations and planning decisions easier to understand. Online appointments are available, and scheduling ahead is recommended for tax-planning consultations.

What stands out
  • Proactive planning for varied business structures

Redpoint Financial Group | CPA #5

Redpoint Financial Group | CPA

4.963 reviews
4785 Tejon St, Denver, CO 80211, United States
Best for
Businesses outgrowing basic bookkeepingOutsourced CFO or controller support

Redpoint Financial Group is a Denver CPA firm providing bookkeeping, payroll, tax preparation, accounting, and CFO advisory support. The practice takes a hands-on approach to financial operations, using reporting and analysis to identify ways businesses can improve cash flow, pricing, budgeting, cost control, and profitability.

Its services extend from routine books and tax work to outsourced or part-time CFO, controller, manager, and staff functions. That breadth makes Redpoint relevant to businesses that have outgrown a basic bookkeeper or need a more coordinated finance operation. Support is available to businesses beyond Colorado as well as those based in Denver. Appointments are recommended for a tailored engagement.

What stands out
  • Hands-on finance support beyond bookkeeping

FinOp Group #6

FinOp Group

536 reviews
4530 Tennyson St, Denver, CO 80212, United States
Best for
Small and growing law firmsFractional CFO and finance operations

FinOp Group is an accounting firm in Denver with a clear specialization in law firm financial operations. Its services cover bookkeeping, accounting, payroll, reporting, and higher-level consulting, including fractional CFO support for practices that need stronger financial visibility without adding a full-time executive.

The firm’s legal-industry focus is useful for attorneys and firms managing trust-related operations, growing teams, retirement funds, or more complex reporting needs. A responsive, hands-on style supports timely answers and accurate financial information, while outsourced finance functions can act as an extension of an internal practice team. FinOp is best considered by law firms seeking dedicated accounting expertise rather than a general personal-tax provider.

What stands out
  • Accounting designed for law firms

4Corners #7

4Corners

4.5114 reviews
7525 W 10th Ave 2nd Floor, Lakewood, CO 80214, United States
Best for
Bilingual small-business ownersIRS tax-resolution matters

4Corners provides bookkeeping, accounting, tax services, tax resolution, payroll support, and business advisory for companies in Denver and beyond. The firm works in both English and Spanish and supports businesses at different stages, from routine financial organization to complex tax problems, software decisions, and longer-term planning.

Its tax-resolution work is aimed at substantial IRS debt, while the broader practice handles everyday business accounting, bookkeeping, payroll, and advisory needs. The team-based structure can be helpful for owners who want coordinated support rather than a single isolated filing service, with guidance intended to make financial information more useful for decisions. Appointments are recommended for consultations and specialized tax matters.

What stands out
  • Bilingual accounting and tax resolution

Complete CPA Solutions, LLC #8

Complete CPA Solutions, LLC

523 reviews
7887 E Belleview Ave Suite #1100, Centennial, CO 80111, United States
Best for
Denver small businessesShort-term rental tax guidance

Complete CPA Solutions, LLC is a Denver certified public accounting firm serving individuals and small businesses with tax preparation, bookkeeping, accounting, and business advisory. The firm’s CPA-led model keeps monthly bookkeeping and tax work connected, helping maintain current records while identifying planning opportunities throughout the year.

Services include monthly bookkeeping, financial reporting, catch-up and cleanup work, outsourced accounting support, and guidance for short-term rental tax questions. Communication is a notable part of the process, with detailed explanations and video breakdowns that help make unfamiliar tax issues easier to follow. Online consultations are available alongside scheduled in-person appointments. This practice is a strong fit for small-business owners who want one team handling both books and taxes.

What stands out
  • Bookkeeping and tax work under one team

Unique Accounting - CPA Firm #9

Unique Accounting - CPA Firm

4.923 reviews
4610 S Ulster St Ste 150, Denver, CO 80237, United States
Best for
Business acquisitions and due diligenceIndividuals and corporations needing tax support

Unique Accounting - CPA Firm supports individuals and businesses with tax preparation, bookkeeping, financial statements, and strategic accounting advice. Its service style is notably direct and responsive, with updates provided proactively and attention to keeping complicated business decisions understandable.

The firm can assist with business acquisitions and due diligence as well as ongoing corporate accounting and personal tax returns. That combination is useful for owners moving through a transition, purchasing a company, or replacing an established accountant on short notice. Consultations are structured to clarify the financial strategy before ongoing work begins. Appointments are recommended for tax, acquisition, and advisory consultations.

What stands out
  • Responsive support for business transitions

HDenver
#10

HDA Accounting Group PLLC

4.724 reviews
8400 E Crescent Pkwy Ste 670, Greenwood Village, CO 80111, United States

HDA Accounting Group PLLC focuses on dental-practice accounting in Denver, combining industry-specific bookkeeping and tax work with profit-focused reporting and business guidance. Its reporting is designed to help practice owners monitor financial performance, review key indicators, and compare results against relevant benchmarks.

The firm’s support extends beyond preparing financial statements to proactive tax planning, practice profitability analysis, business strategy, succession planning, and access to related wealth-management or retirement resources. This specialized perspective is particularly relevant to dentists launching, expanding, or evaluating a practice. HDA is best suited to dental professionals who want accounting advice connected to operational and long-term practice decisions.

What stands out
  • Dental-specific profitability reporting

DDenver
#11

Douglas S. Noonan, CPA, P.C.

4.715 reviews
20971 E Smoky Hill Rd Ste 106, Aurora, CO 80015, United States
Best for
Small-business owners needing ongoing tax guidance

Douglas S. Noonan, CPA, P.C. is a Denver certified public accounting practice serving small businesses, families, and individual taxpayers. The work covers bookkeeping, taxes, quarterly statements, employee documents, business structuring, and ongoing guidance on changes in tax law.

A responsive, approachable style makes the practice useful for owners who want to ask detailed questions and understand the reasoning behind tax decisions. Support has included helping growing businesses move to an S corporation and advising mobile service companies as their operations expand. Online appointments are available, while scheduled consultations are recommended for new business or tax-planning matters.

What stands out
  • Personal guidance for small businesses

  • Quarterly statements and tax support

Cornelius CPAs #12

Cornelius CPAs

4.712 reviews
650 S Cherry St #610, Denver, CO 80246, United States
Best for
Cannabis businesses needing CPA support

Cornelius CPAs is a Denver certified public accounting firm offering tax preparation, planning, bookkeeping, payroll, audits, advisory, and business services. One of its clearest specialties is cannabis accounting, where complicated state and federal tax requirements call for focused industry knowledge.

The firm also supports startups and established companies with back-office services, cash-flow management, strategic planning, succession planning, QuickBooks assistance, and IRS-related matters. Its approach combines detailed tax work with practical business guidance, helping owners understand their obligations while planning for the next stage of growth. Appointments are required or recommended for consultations, with on-site service available.

What stands out
  • Specialized cannabis tax expertise

Complete Controller Denver, CO - Bookkeeping Service #13

Complete Controller Denver, CO - Bookkeeping Service

520 reviews
1600 Broadway #1600, Denver, CO 80202, United States
Best for
Small businesses outsourcing bookkeeping

Complete Controller provides bookkeeping services in Denver for businesses that need organized, responsive financial support without building the function internally. The service emphasizes accurate records, timely communication, problem-solving, and clear explanations of bookkeeping processes, making it approachable for owners who are new to outsourcing.

The team can work through different levels of support, from routine bookkeeping needs to more involved financial administration. Online appointments and on-site services are available, while the onboarding process is designed to understand the company’s requirements before placing it on the appropriate service platform. This is a practical fit for small businesses seeking ongoing bookkeeping with a responsive team rather than occasional data entry.

What stands out
  • Responsive outsourced bookkeeping team

  • Support for first-time outsourcing

Don Stewart, CPA, P.C. #14

Don Stewart, CPA, P.C.

56 reviews
3190 S Vaughn Way Suit 550, Aurora, CO 80014, United States

Don Stewart, CPA, P.C. is a Denver certified public accountant known for clear explanations, practical tax guidance, and a personable working style. The practice supports individuals and small businesses, with attention to identifying legitimate savings opportunities and answering questions without making the process feel opaque.

A consultation can also help determine whether a particular tax situation falls within the firm’s specialty, with straightforward guidance when another specialist is more appropriate. That candid approach is useful for people seeking an informed starting point rather than a one-size-fits-all filing service. Appointments are recommended.

What stands out
  • Candid, practical tax guidance

  • Helpful fit assessment

Bley & Zeitlin, CPAs #15

Bley & Zeitlin, CPAs

4.311 reviews
475 W 12th Ave Unit E, Denver, CO 80204, United States
Best for
LLC and S-corporation ownersProfessionals combining business and personal tax

Bley & Zeitlin, CPAs is a Denver accounting practice serving businesses and individuals with tax preparation, planning, and ongoing CPA guidance. The team works across different business structures, including sole-member LLCs and S corporations, while also handling personal returns and situations involving IRS correspondence.

Its approach centers on thorough preparation, practical explanations, and responsive support through the filing process. That makes the firm relevant to business owners who want to understand their tax obligations rather than simply submit paperwork, as well as professionals managing both personal and business finances. Appointments are recommended, particularly for new business formation or detailed tax planning.

What stands out
  • Guidance across varied business structures

  • Responsive IRS correspondence support

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Map of accounting firms in Denver

No verified neighborhoods are attached to these firms, so the map is most useful for checking how far an office is from your workplace or home. The selection is organized around service fit rather than a particular Denver district.

Before traveling, ask whether the initial consultation is in person, remote or hybrid. That can make a specialized firm practical even when its office is not the closest option.

Use it alongside the full selection: location, travel time, and nearby alternatives often affect the final decision.

Accounting services covered

  • Small-business tax planningPlan business taxes with attention to structure, deadlines and decisions that affect the coming filing period.
  • Real-estate tax strategyDiscuss tax planning for real-estate activity, ownership structures and related financial decisions.
  • Business valuationsObtain guidance for understanding a company’s value during planning, ownership changes or strategic decisions.
  • Bookkeeping cleanupBring overdue or disorganized books up to date before filing, financing, sale preparation or a change in accounting support.
  • Outsourced CFO supportAdd fractional CFO or controller assistance when the business needs financial oversight beyond routine bookkeeping.
  • Law-firm accountingFind support shaped for small and growing law firms, including outsourced legal bookkeeping and finance operations.
  • IRS tax resolutionDiscuss a tax-resolution matter with a firm that specifically handles communication and planning around IRS issues.

How to compare accounting firms

  1. Define the immediate deliverable: Ask whether you need a tax return, forward-looking tax plan, cleaned books, valuation or ongoing financial management before requesting proposals.
  2. Check industry experience: Ask for examples of work with your business type, especially if you operate a trade, law practice, real-estate business or short-term rental.
  3. Clarify the monthly scope: Have the firm list what recurring bookkeeping, reporting, payroll coordination or controller work is included and what is billed separately.
  4. Ask who does the work: Confirm whether a CPA, bookkeeper, controller or CFO handles each part of the engagement and who will answer routine questions.
  5. Confirm meeting logistics: Before visiting, verify consultation format, document delivery method, response expectations and whether remote service is available.

Frequently asked questions

When does a business need more than basic bookkeeping?

Consider broader support when you need cash-flow forecasting, management reporting, tax strategy, valuation work or help making financial decisions. An outsourced CFO or controller arrangement may suit a growing business that is not ready for a full-time hire.

Can an accounting firm help with an IRS matter?

Some firms specifically handle IRS tax-resolution matters, while others focus on preparation or planning. Ask what type of notice or case they accept, who will represent you and what documents they need for an initial review.

What should a law firm ask before outsourcing bookkeeping?

Ask about legal-industry experience, trust-account procedures, reporting cadence, document security and the division of responsibility between the firm and the provider. Clarify whether the service includes cleanup, monthly work or only a one-time project.

Is a local office required for accounting support?

Not always. Many accounting tasks can be handled remotely, but confirm how documents are exchanged, how meetings take place and how quickly questions are answered.

For complex work, ask whether in-person meetings are available when needed.

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