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When you can't wait, these cpas & accountants in Thornton offer emergency response. Call now — most respond within the hour.
As of June 2026, RatingsNearMe ranks 15 cpas & accountants in Thornton, CO by the RNM Score — a 0–100 rating built from Google ratings, review volume, sentiment, and profile completeness. The top-ranked is Lynn CPAs LLC with a 4.8-star rating from 16 Google reviews and an RNM Score of 82/100. Also in the top tier: H&R Block and PL Tax Services. The average rating across all listed cpas & accountants in Thornton is 4.8 stars from 42 reviews per business on average.
CPA fees in Thornton: $150–$400/hr consultation; $300–$800 personal tax returns; $500–$2,500+ business returns.
Rankings updated June 10, 2026 · RNM Score = ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Thornton, CO is home to a variety of certified public accountants (CPAs) who provide tax preparation, financial planning, and other accounting services to local residents and businesses. When searching for a CPA in Thornton, consumers should consider factors such as specialization, experience, and client reviews.
- ✓Thornton, CO has several well-established CPA firms and tax preparation services
- ✓CPAs in Thornton offer a range of accounting, tax, and financial planning services
- ✓Consumers should research CPA qualifications and client reviews when selecting a provider
How to Choose a CPAs & Accountant in Thornton
What to look for
- • Certified Public Accountant (CPA) license
- • Experience working with clients in Thornton, CO or the surrounding Denver metro area
- • Specialization or expertise in the type of accounting services you need (e.g. tax preparation, financial planning, auditing)
- • Strong communication skills and ability to explain financial concepts clearly
Questions to ask
- • How long have you been practicing as a CPA in Thornton, CO?
- • What types of clients and industries do you typically work with?
- • Can you provide references from other Thornton-based clients?
Red flags
- ⚠ CPA does not have a valid license to practice in Colorado
- ⚠ Lack of experience working with clients in the Thornton area
- ⚠ Unwillingness to provide detailed information about services and fees
In Colorado, CPAs must be licensed by the State Board of Accountancy. Be sure to verify the CPA's license is active and in good standing before hiring.
Local Market Snapshot
15
Businesses listed
4.8★
Avg rating
42
Avg reviews
Jun 10, 2026
Last updated
Top Rated CPAs & Accountants
Highly rated Thornton CPA with 4.8 stars from 16 Google reviews.
90 W 84th Ave, Denver, CO 80260, USATrusted by hundreds with a strong 4.7-star rating from 215 Google reviews.
3788 E 104th Ave, Thornton, CO 80233, USAShoppers rave about this Thornton CPA, earning a flawless 5.0 stars from 57 reviews.
8965 Washington St, Thornton, CO 80229, USACPAs & Accountants Rankings in Thornton, CO
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | Lynn CPAs LLC90 W 84th Ave, Denver, CO 80260, USA | 4.8★ | 16 |
| #2 | H&R Block3788 E 104th Ave, Thornton, CO 80233, USA | 4.7★ | 215 |
| #3 | PL Tax Services8965 Washington St, Thornton, CO 80229, USA | 5.0★ | 57 |
| #4 | Harford Tax Services9101 Pearl St #210, Thornton, CO 80229, USA | 4.5★ | 42 |
| #5 | ATAX - Thornton, CO2150 E 88th Ave, Denver, CO 80229, USA | 4.7★ | 59 |
| #6 | New Mill Tax & Accounting12650 Jersey Cir E, Thornton, CO 80602, USA | 5.0★ | 55 |
| #7 | Winter Mountains Accounting and Tax13221 Garfield Pl, Thornton, CO 80241, USA | 4.6★ | 10 |
| #8 | ATAX Northglenn, CO11916 Washington St, Northglenn, CO 80233, USA | 5.0★ | 49 |
| #9 | Nomad Bookkeeping and Tax Services3360 E 140th Pl, Thornton, CO 80602, USA | 5.0★ | 29 |
| #10 | J&M Tax Services, LLP10701 Melody Dr Suite 620, Northglenn, CO 80234, USA | 5.0★ | 24 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated June 2026
All CPAs & Accountants in Thornton
Consistently rated 4.5 stars from 42 Google reviews by local clients.
9101 Pearl St #210, Thornton, CO 80229, USA
Trusted Thornton CPA with a 4.7-star rating from 59 Google reviews.
2150 E 88th Ave, Denver, CO 80229, USA
Earning a perfect 5.0-star rating from over 50 Google reviews in Thornton.
12650 Jersey Cir E, Thornton, CO 80602, USA
A trusted CPA with a strong 4.6-star rating from 10 Google reviews in Thornton.
13221 Garfield Pl, Thornton, CO 80241, USA
Known for exceptional service with a perfect 5.0-star rating from nearly 50 reviews.
11916 Washington St, Northglenn, CO 80233, USA
Exceptional 5.0-star rating from 29 Google reviews for this Thornton CPA.
3360 E 140th Pl, Thornton, CO 80602, USA
Consistently earns perfect 5.0-star ratings from over two dozen Google reviews.
10701 Melody Dr Suite 620, Northglenn, CO 80234, USA
Boasting a solid 4.4-star rating from 9 Google reviews, this CPA is locally trusted.
12021 Pennsylvania St, Thornton, CO 80241, USA
Boasting a perfect 5.0-star rating from early Google reviews.
3879 E 120th Ave, Thornton, CO 80233, USA
Highly rated local CPA with a perfect 5.0-star score from customers.
9883 Pearl St, Thornton, CO 80229, USA
Trusted by local clients, this Thornton CPA holds a 4.9-star rating from 56 reviews.
14350 Ivanhoe St, Thornton, CO 80602, USA
Exceptional 5.0-star rating from two Google reviews.
11160 Huron St #34, Northglenn, CO 80234, USA
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CPAs & Accountants in Thornton, CO — Compared
| # | Business | RNM Score | Rating | Reviews |
|---|---|---|---|---|
| 1 | Lynn CPAs LLC | 82/100 | 4.8 ★ | 16 |
| 2 | H&R Block | 82/100 | 4.7 ★ | 215 |
| 3 | PL Tax Services | 80/100 | 5.0 ★ | 57 |
| 4 | Harford Tax Services | 70/100 | 4.5 ★ | 42 |
| 5 | ATAX - Thornton, CO | 75/100 | 4.7 ★ | 59 |
| 6 | New Mill Tax & Accounting | 80/100 | 5.0 ★ | 55 |
| 7 | Winter Mountains Accounting and Tax | 65/100 | 4.6 ★ | 10 |
| 8 | ATAX Northglenn, CO | 80/100 | 5.0 ★ | 49 |
| 9 | Nomad Bookkeeping and Tax Services | 77/100 | 5.0 ★ | 29 |
| 10 | J&M Tax Services, LLP | 76/100 | 5.0 ★ | 24 |
Ranked by RatingsNearMe Score · ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · June 2026
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Frequently Asked Questions — CPAs & Accountants in Thornton
What is the difference between a CPA, bookkeeper, and tax preparer in Thornton?
A CPA (Certified Public Accountant) is licensed by the CO Board of Accountancy, can represent clients before the IRS, and carries liability coverage. A bookkeeper records day-to-day transactions but cannot sign tax returns or provide strategic tax advice. A tax preparer has no required credentials — anyone can prepare taxes. For business owners, complex returns, or IRS issues, a CPA is the right choice.
How do I verify a CPA's license in CO?
Search the CO Board of Accountancy's online license lookup (find it by Googling "CO Board of Accountancy license search"). You can also use NASBA's License Verification tool at nasba.org to search across all states. Always verify before sharing financial documents.
How much does a CPA charge in Thornton?
Typical rates in Thornton: $150–$400/hr for consultation; $300–$800 for a personal tax return; $500–$2,500+ for a small business return depending on complexity. Many CPAs offer flat-fee packages for straightforward situations. Get itemized quotes from at least 2–3 firms before committing.
Should I hire a local CPA or use online tax software?
Online software (TurboTax, H&R Block, FreeTaxUSA) works well for simple W-2 situations with no major life changes. A local CPA in Thornton is worth the cost if you own a business, have rental income, experienced a major event (divorce, inheritance, home sale), owe the IRS money, or want year-round tax planning — not just annual filing.
How are the cpas & accountants on this page ranked?
Rankings use a transparent algorithm: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Featured Partner listings have paid for enhanced visibility but must still earn their position through real customer reviews — sponsored listings are clearly labeled.
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How Rankings Work on This Page
Every cpas & accountants on RatingsNearMe is scored transparently: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Businesses labeled exclusive or premium are Featured Partners — they have paid for enhanced visibility but must still rank through real customer reviews. We cap sponsored boosts so bad businesses can never buy the top spot.
Editorial notice: Ratings are based on publicly available data from Google Business listings. Consumers should independently verify licensing, insurance, and credentials before hiring any service provider. Last updated: June 10, 2026.
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