Top Service Providers in Denver, CO: Vetted Lawyers, Dentists, CPAs, IT and Marketing (2026 Guide)

Denver has grown fast, and its professional services have grown with it. Downtown and LoDo hold the larger law and accounting firms, Cherry Creek and the Highlands are full of dental and medical practices, and the neighborhoods around City Park and Capitol Hill have long-running family practices that rarely advertise. This guide gathers the Denver, CO providers listed on Top Service Providers, grouped by profession, with notes on how to confirm a Colorado license before you book.

How we vet Denver providers

Each listing here was checked before publication: the business is active, the practitioner holds the Colorado license their profession requires, and public reviews and disciplinary records show nothing alarming. Treat it as a vetted shortlist rather than a ranking. The full set lives on our Denver directory page.

Lawyers in Denver

Colorado attorneys are regulated by the Colorado Supreme Court’s Office of Attorney Regulation Counsel, which publishes a free attorney search showing license status and public discipline. Denver has firms of every size; for injury, family and criminal matters a focused practice usually serves individuals better than a large general firm.

If you were injured, start with our guide to personal injury lawyers in Denver, which covers Colorado’s time limits and how contingency fees work. Before any consultation, read what to ask before you hire a lawyer, and browse all vetted lawyers.

Doctors and dentists in Denver

Colorado’s Department of Regulatory Agencies (DORA) runs a single license lookup covering physicians, dentists and most health professions. Denver’s dental market is competitive, which is good news for patients: many practices publish prices for implants and cosmetic work, and urgent-care clinics have taken pressure off emergency rooms for minor injuries.

Our guide to choosing the right dentist covers what to ask before committing to a treatment plan, and our healthcare costs guide explains what to expect on price. See every vetted doctor in the directory.

Accountants and CPAs in Denver

Colorado keeps a flat state income tax, but Denver adds its own Occupational Privilege Tax and local sales-tax rules that trip up new business owners. A Denver CPA who files these routinely is worth having before your first year-end, not after. CPA licenses are confirmed through DORA’s Board of Accountancy lookup.

  • JR Haeck CPA – tax preparation, planning and accounting for individuals and small businesses.
  • Fidelis CPAs – CPA firm offering tax, bookkeeping and advisory services to Denver businesses.
  • Hansen CPA – accounting and tax services for individuals and closely held businesses.

Read questions to ask before hiring a CPA and signs you need a business accountant, or browse all accountants and CPAs.

IT professionals in Denver

Denver’s business base includes a lot of 10-to-50 person companies, exactly the size that benefits most from outsourced IT: monitoring, backups, security and a help desk without a full-time hire.

  • Onset Solutions – managed IT services and technology support for Denver-area businesses.

See every listed IT professional.

Marketing agencies in Denver

Denver agencies compete hard for local business, which means you can insist on clear reporting and a contract you can leave. Ask who will run your account day to day and for examples in your industry.

  • Cultivator – Denver brand and marketing agency offering strategy, creative and digital campaigns.

Compare with other vetted marketing experts.

How to verify a Denver professional yourself

Two public tools cover nearly everyone here: the Office of Attorney Regulation Counsel’s attorney search for lawyers, and DORA’s license lookup for doctors, dentists and CPAs. Our guide to verifying professional credentials walks through both. If a provider is not in either system, ask them to explain before you pay.

Are you a Denver professional?

If you serve Denver and are not listed yet, you can add your listing and go through the same vetting. If your business already appears above, claim the profile to keep your details current and reply to reviews.

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