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Tax Lawyers in Boulder, CO: 2026 rankings

82 tax lawyers ranked by LFR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Highest LFR Score in Boulder: Reliance Tax Group, LFR Score 66/100; 5.0★ from 202 Google reviews.

  2. 3

    Open 24 hours (per Google): Tax Resolution Experts, posts 24/7 hours; ranked #3 of 82.

  3. 44

    Most-reviewed: The Harris Law Firm, 498 Google reviews at 4.4★, the most of 82 ranked; ranked #44.

Rankings can't be bought. Lawyers can't pay to change their rank or score. How we rank

82 Boulder tax lawyers are ranked here by LFR Score, from nine published factors. 16 are open 24/7, 29 open Saturdays and 27 open Sundays, based on posted hours. The median Google rating is 4.9★ across 82 rated law firms.

Top 10 tax lawyers in Boulder at a glance

Ranked by our published LFR Score from public data, not by payment; a rank is not an endorsement or a prediction of results.

Top 10 tax lawyers in Boulder at a glance
RankBusinessLFR ScoreGoogle ratingBased inHoursNotable for
1Reliance Tax Group665.0★ (202)Broomfield, 11 mi away—Top score
2V Tax Professional Ltd655.0★ (12)BoulderSat · Sun—
3Tax Resolution Experts655.0★ (5)BoulderOpen 24 hrs (Google)Open 24 hours
4Tax Relief World - Tax Debt Resolution Attorneys, Free Consultation645.0★ (4)BoulderOpen 24 hrs (Google)—
5New Mill Tax & Accounting645.0★ (56)Thornton, 20 mi awaySat—
6Dickmann Tax Group634.9★ (148)Denver, 25 mi away——
7Boxelder Consulting & Tax Relief634.7★ (280)Denver, 28 mi away——
8Colorado Pure Tax Resolution625.0★ (3)BoulderSat · Sun—
9ToshTax, LLC624.9★ (56)Broomfield, 14 mi away——
10Master Tax Relief | Tax Debt Settlement Lawyers625.0★ (4)Arvada, 15 mi awayOpen 24 hrs (Google)—

All 82 tax lawyers in Boulder, in rank order

Ordered by LFR Score, a 0–100 score from nine published factors. Paid placement never changes the order.

Ranked by our published LFR Score from public data, not by payment; a rank is not an endorsement or a prediction of results.

Scores below: based on 7 of 9 factors; bar status and recency not yet collected. Hatched segments mark factors we don't have yet.

  1. Ranked #1 in Boulder

    Based in Broomfield, 11 mi away

    66/100LFR Score

    Ranked #1 because of its Google rating and practice area focus: 5.0★ from 202 Google reviews, listed on Google as “Tax attorney”.

    • 5.0★ from 202 Google reviews
    Hours
    Mon–Fri 7 AM–6 PM · Sat–Sun closed
    Address
    11001 W 120th Ave Ste 400, Broomfield, CO 80021
  2. Based in Denver, 25 mi away

    63/100LFR Score

    Ranked #6 because of its Google rating and practice area focus: 4.9★ from 148 Google reviews, listed on Google as “Tax attorney”.

    • 4.9★ from 148 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1001 Bannock St Ste 480, Denver, CO 80204
  3. Based in Broomfield, 14 mi away

    62/100LFR Score

    Ranked #9 because of its Google rating and practice area focus: 4.9★ from 56 Google reviews, listed on Google as “Tax attorney”.

    • 4.9★ from 56 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat–Sun closed
    Address
    13966 Lake Isle Ln, Broomfield, CO 80023
  4. Based in Westminster, 16 mi away

    62/100LFR Score

    Ranked #11 because of its Google rating and practice area focus: 5.0★ from 10 Google reviews, listed on Google as “Tax attorney”.

    • 5.0★ from 10 Google reviews
    Hours
    Mon–Wed 10 AM–6 PM · Thu 11 AM–6 PM · Fri–Sat 10 AM–6 PM · Sun 10 AM–5 PM
    Address
    3051 W 105th Ave #350193, Westminster, CO 80031
  5. Based in Denver, 25 mi away

    61/100LFR Score

    Ranked #15 because of its Google rating and practice area focus: 5.0★ from 5 Google reviews, listed on Google as “Tax attorney”.

    • 5.0★ from 5 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    789 Sherman St 2nd fl, Denver, CO 80203
  6. Based in Denver, 23 mi away

    61/100LFR Score

    Ranked #16 because of its Google rating and practice area focus: 5.0★ from 4 Google reviews, listed on Google as “Tax attorney”.

    • 5.0★ from 4 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2301 Blake St Ste 100, Denver, CO 80205
  7. Based in Erie, 13 mi away

    60/100LFR Score

    Ranked #19 because of its Google rating and practice area focus: 5.0★ from 24 Google reviews, listed on Google as “Tax attorney”.

    • 5.0★ from 24 Google reviews
    Hours
    Mon–Fri 9 AM–3 PM · Sat–Sun closed
    Address
    870 Sunridge Pl, Erie, CO 80516
  8. Based in Denver, 28 mi away

    60/100LFR Score

    Ranked #20 because of its Google rating and practice area focus: 4.9★ from 52 Google reviews, listed on Google as “Tax attorney”.

    • 4.9★ from 52 Google reviews
    Hours
    Mon–Fri 7 AM–6 PM · Sat–Sun closed
    Address
    2555 S Santa Fe Dr H-225, Denver, CO 80223
  9. Based in Denver, 21 mi away

    60/100LFR Score

    Ranked #23 because of its Google rating and practice area focus: 5.0★ from 6 Google reviews, listed on Google as “Tax attorney”.

    • 5.0★ from 6 Google reviews
    Hours
    Mon–Sat 10 AM–6 PM · Sun 10 AM–5 PM
    Address
    3700 Tennyson St #12003, Denver, CO 80212
  10. Based in Lakewood, 28 mi away

    60/100LFR Score

    Ranked #24 because of its Google rating and practice area focus: 5.0★ from 3 Google reviews, listed on Google as “Tax attorney”.

    • 5.0★ from 3 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3900 S Wadsworth Blvd Ste 200, Lakewood, CO 80235
  11. Based in Greenwood Village, 34 mi away

    60/100LFR Score

    Ranked #25 because of its Google rating and practice area focus: 4.5★ from 17 Google reviews, listed on Google as “Tax attorney”.

    • 4.5★ from 17 Google reviews
    Hours
    Mon–Sun 7 AM–10 PM
    Address
    7350 E Progress Pl #100, Greenwood Village, CO 80111

Tax lawyers ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in LFR Score order; each links to its profile. We publish the top 50 of 82 ranked tax lawyers here; the rest are on their profiles.

tax lawyers in Boulder, ranks 26 to 50
RankBusinessLFR ScoreGoogle ratingDistance
26Tax Relief World605.0★ (7)37 mi
27Amy G Injury Firm594.9★ (307)32 mi
28Fusion Legal & Tax594.8★ (41)29 mi
29C MART Tax Relief - Tax Resolution Attorneys, Tax Debt Settlement595.0★ (5)39 mi
30Master Tax Relief595.0★ (4)37 mi
31Amy G Injury Firm584.9★ (95)19 mi
32V Tax Professional Ltd585.0★ (5)31 mi
33RP Financial Services585.0★ (77)12 mi
34David A. Sprecace, P.C.574.6★ (11)24 mi
35Philip M. Falco, Attorney, CPA574.2★ (13)24 mi
36Ruth Tax Law565.0★ (7)25 mi
37Syndicate Accounting and Tax Services563.0★ (6)33 mi
38Michael M Noyes PC564.0★ (16)29 mi
39Law Office of Carl Miller564.6★ (10)31 mi
40V Tax Professionals Ltd555.0★ (121)34 mi
41Blackfin IRS Solutions553.8★ (24)32 mi
42The Harris Law Firm544.8★ (47)In Boulder
43Spies Tax Connections545.0★ (104)27 mi
44The Harris Law Firm534.4★ (498)23 mi
45McGuire Law Firm534.8★ (24)23 mi
46BC Tax, LLC534.4★ (137)12 mi
47Law Office of David M. Serafin534.9★ (157)28 mi
48Keating & Lyden, LLC515.0★ (8)In Boulder
49Integrity Financial Associates, Inc.514.3★ (39)13 mi
50McGann Law Group514.8★ (19)12 mi

Also serving Boulder

20 more tax lawyers within 40 mi that we can't rank yet: too few reviews, or a practice area we couldn't confirm. Listed A to Z.

Unranked tax lawyers serving Boulder
BusinessGoogle ratingDistance
Battan Alpert Hutchings LLP4.9★ (51)In Boulder
Debbie Taussig Law LLC5.0★ (94)In Boulder
Frascona, Joiner, Goodman and Greenstein, P.C.4.7★ (164)In Boulder
Gard Law Firm, LLC4.8★ (102)In Boulder
Hartney Law LLC5.0★ (39)In Boulder
K. Scott Hamerslough P.C.4.5★ (58)In Boulder
Keith Moskowitz Bankruptcy Lawyer5.0★ (125)In Boulder
Kottke & Brantz, LLC4.8★ (39)In Boulder
Law Office of James Newell5.0★ (40)In Boulder
Life & Legacy Law5.0★ (92)In Boulder
McCabe Law4.8★ (46)In Boulder
Pixel Law5.0★ (106)In Boulder
Ragab Law Firm, P.C.4.7★ (73)In Boulder
Ronquillo Law Firm5.0★ (93)In Boulder
Steven Louth Law Offices4.6★ (80)In Boulder
Tenge Law Firm Boulder5.0★ (101)In Boulder
The Law Office Of Harvey J. Williamson, LLC5.0★ (100)In Boulder
The Moorhead Law Group4.9★ (133)In Boulder
The Wilhite Law Firm - Personal Injury Attorneys4.7★ (64)In Boulder
Watkins Law Firm LLC5.0★ (449)In Boulder

How we ranked Boulder tax lawyers

We scored 82 Boulder tax lawyers on nine factors, weighted as shown. A law firm is ranked when its practice area is confirmed and it has 3 or more Google reviews or a claimed profile. A law firm with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 9, 2026.

Paid placement never changes a rank or score. Attorney advertising businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

LFR Score factors and weights
FactorWeightComputed fromIn Boulder data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Bar status10%An active bar or law society record matched to a lawyer at the firm (not measured until a record source is loaded)Not yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed firm on the listMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly office hours, Saturday, Sunday, and phones answered 24/7Measured
Practice focus15%How clearly the firm practises this area (its Google category and name)Measured
Proximity5%An office in the city scores highest, less the farther away it isMeasured
Claimed profile10%The firm has claimed its Law Firms Ranked profile (free and paid earn the same)Measured
Law Firms Ranked reviews10%Verified client reviews collected by Law Firms Ranked: their rating and how many there areMeasured

How to choose a tax lawyer

  1. Check the lawyer’s status and any public discipline in the state bar or law society directory.
  2. Ask how many tax law matters the lawyer handles each year, and who at the firm will do the work.
  3. Get the fee arrangement in writing: hourly, flat or contingency, and which costs are charged on top.
  4. Ask how and how often the firm will update you, and how fast it answers calls and emails.
  5. Read recent reviews for how the firm communicated and billed, not only for outcomes.
  6. Ask whether the lawyer handles audits, collections and Tax Court, or only planning.
  7. Meet more than one firm; many offer a short first consultation, sometimes free.

Questions to ask a tax lawyer

  • How would you approach a matter like mine, and what are the realistic options?
  • How do you charge, and what will the total likely cost?
  • Who will be my main contact, and how quickly do you reply?
  • Do you handle audits and appeals yourself?
  • Is my situation civil, or could it become criminal?
  • Is there any conflict of interest that would stop you representing me?

Terms explained

Contingency fee
A fee that is a share of the money recovered, paid only if there is a recovery. Common in injury cases; not allowed for criminal defense or for securing a divorce.
Retainer
Money paid up front and held in a trust account, which the lawyer draws on as fees are earned.
Flat fee
One set price for a defined piece of work, such as a will or an uncontested matter.
Limited-scope representation
Paying a lawyer for part of a matter only, such as reviewing documents or coaching for one hearing (also called unbundled services).
Statute of limitations
The deadline to file a lawsuit or charge. It differs by state or province and by type of claim.
Good standing
A lawyer’s status as active and eligible to practise with a state bar or law society.
Law society
The body that licenses and disciplines lawyers in a Canadian province or territory.
Board certification
Recognition in a field of law by a state program or an organisation accredited for that purpose. Lawyers may only claim it when they hold it, naming the certifying body.
Attorney–client privilege
The rule that keeps confidential communications between a client and lawyer, made for legal advice, out of court.
Conflict check
The search a firm runs before taking a matter to make sure it does not represent someone on the other side.
Pro bono
Legal work done for free, usually for people who cannot afford a lawyer.
Legal aid
Publicly funded legal help for people with low incomes, through legal aid offices, public defenders or provincial legal aid plans.

Tax lawyers in Boulder: frequently asked questions

Which tax lawyer has the highest LFR Score in Boulder?

By LFR Score, the highest-ranked tax lawyer in Boulder, CO is Reliance Tax Group with an LFR Score of 66/100. It has 5.0★ from 202 Google reviews. V Tax Professional Ltd (#2) and Tax Resolution Experts (#3) follow. We ranked 82 tax lawyers on nine factors, last updated November 9, 2026.

How many tax lawyers are there in Boulder?

LawFirmsRanked ranks 82 tax lawyers serving Boulder, CO. 7 of them are based in Boulder; the rest serve it from nearby towns. Another 20 within 40 mi are listed but not ranked yet. Counts are as of November 2026.

Which tax lawyers in Boulder are open 24/7?

16 ranked tax lawyers in Boulder post 24/7 hours. The highest-ranked are Tax Resolution Experts (#3), Tax Relief World - Tax Debt Resolution Attorneys, Free Consultation (#4) and Master Tax Relief | Tax Debt Settlement Lawyers (#10). Hours come from each law firm's Google listing as of November 2026, so call to confirm.

Which tax lawyers in Boulder work on weekends?

29 of 82 ranked tax lawyers post Saturday hours and 27 post Sunday hours. The highest-ranked open Saturdays are V Tax Professional Ltd (#2), Tax Resolution Experts (#3) and Tax Relief World - Tax Debt Resolution Attorneys, Free Consultation (#4). Posted hours are office hours; many firms meet clients by appointment outside them.

What Google rating do Boulder tax lawyers have?

The median Google rating among 82 rated tax lawyers in Boulder is 4.9★, with a median of 10 reviews. The Harris Law Firm has the most, 498 reviews, and ranks #44. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does LawFirmsRanked rank tax lawyers?

Each tax lawyer gets a 0–100 LFR Score from nine published factors, led by reputation (25%), practice focus (15%), review volume (10%) and recency (10%). A law firm with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only law firms with a confirmed practice area and 3 or more reviews, or a claimed profile, are ranked.

Do tax lawyers outside Boulder count in this ranking?

Yes, if they are within 40 mi of the Boulder city center, our service radius for tax lawyers. Each listing shows where the law firm is based and how far away it is. Proximity is 5% of the LFR Score, so a nearby law firm gets a small edge.

Can tax lawyers pay to rank higher on LawFirmsRanked?

No. The LFR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured law firms may appear above the list, labelled Attorney advertising and showing their honest rank.

How do tax lawyers in Boulder, CO charge?

Tax lawyers usually bill hourly; some offer flat fees for defined work such as an offer in compromise. Lawyers using Clio billed an average of $446 an hour in this area (Clio Legal Trends data, October 2026; all areas $362). Ask for the fee arrangement in writing before you agree.

Should I hire a tax lawyer, a CPA or an enrolled agent?

All three can represent taxpayers before the IRS (Treasury Circular 230). A tax lawyer adds legal privilege for advice and can represent you in Tax Court and in criminal tax matters. This is general information, not legal advice.

How is this list of tax lawyers in Boulder, CO ranked?

By LFR Score only, from public data on reviews, practice focus, office location and hours. Firms labelled “Attorney advertising” paid for that placement; payment never changes a rank, and a rank is not an endorsement.

Does a lawyer need an office in Boulder?

No, but the lawyer must be licensed in your state (or, for federal matters such as immigration, in some state). A local office makes meetings and court appearances easier, so proximity is one of our factors.

Update log for Boulder

  1. November 2026: LFR Scores recalculated for 82 tax lawyers serving Boulder.