Experts Reviews · 2026 Ratings

The Best DUI Lawyers in Waukesha, WI

We graded 10 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.

—typical jobMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range).
0%say the price was fairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.
4.88★average ratingPlain average of every Google star rating we collected for these companies.
2.5%bad jobs (1–2★, 2 yrs)Share of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.

From 21,059 Google reviews of 74 top-rated DUI lawyers nationwide; 10 of them in Waukesha, WI. Updated November 2, 2026.

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Overall ratings

Experts Score 0–100Experts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of DUI lawyers).

#CompanyScoreExperts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown.FactorsFactor grades, in orderSatisfaction (54%): Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Reliability (24%): How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Craft & service (0%): Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Value (14%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Momentum (0%): Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Replies to reviews (7%): How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.One letter per factor score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = below 20.★Google star rating as shown on Google Maps.Typical billMedian bill customers of this company reported in their reviews (needs 3+ priced reviews).
1Mastantuono Coffee & Thomas SC logoMastantuono Coffee & Thomas SCWaukesha, WIA 95How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%98+57.5Reliability 26%95+24.8Value 15%83+12.6Craft & service penalty99−0.1Experts Score= 95Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.AAAAA–5.00—
2McAvoy Law Offices LLC logoMcAvoy Law Offices LLCWaukesha, WIA 95How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 69%95+65.8Reliability 31%95+29.2Craft & service penalty98−0.2Experts Score= 95Not enough data for value, replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.AAA–A–4.97—
3Sterling Lawyers, LLC logoSterling Lawyers, LLCWaukesha, WIB 70How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 64%70+44.5Reliability 28%61+17.2Replies to reviews 8%100+8.2Experts Score= 70Not enough data for value; its weight is shared by the others.Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.BB–––A4.62—
4Bayer Law OfficesWaukesha, WIB 68How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%80+43.6Reliability 24%65+15.8Value 14%81+11.5Replies to reviews 7%14+1Craft & service penalty80−2Momentum penalty84−1.6Experts Score= 68Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.ABAAAF4.82—
5John Paul Marchan Attorney at Law logoJohn Paul Marchan Attorney at LawWaukesha, WIB 67How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 64%69+43.8Reliability 28%69+19.5Replies to reviews 8%41+3.4Craft & service penalty99−0.1Experts Score= 67Not enough data for value; its weight is shared by the others.Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.BBA–AC4.61—
6Lillesand Leonhard Law LLC logoLillesand Leonhard Law LLCWaukesha, WIB 60How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 64%62+39.4Reliability 28%45+12.7Replies to reviews 8%100+8.2Experts Score= 60Not enough data for value; its weight is shared by the others.Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.BC––AA4.48—
7DeLadurantey Law Office LLC logoDeLadurantey Law Office LLCWaukesha, WIC 57How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%61+33.3Reliability 24%33+8Value 14%97+13.7Replies to reviews 7%69+4.9Craft & service penalty99−0.1Momentum penalty76−2.4Experts Score= 57Grade C: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.BDAABB4.68—
8Kuchler & Cotton, S.C. logoKuchler & Cotton, S.C.Waukesha, WIC 55How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%63+34.4Reliability 24%42+10.2Value 14%87+12.3Replies to reviews 7%83+5.9Craft & service penalty99−0.1Momentum penalty25−7.5Experts Score= 55Grade C: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.BCAADA4.75—
9Grieve Law Criminal Defense logoGrieve Law Criminal DefenseWaukesha, WIC 54How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%68+37.1Reliability 24%63+15.3Value 14%39+5.5Replies to reviews 7%39+2.8Craft & service penalty81−1.9Momentum penalty56−4.4Experts Score= 54Grade C: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.BBADCD4.78—
10The Singleton Law Firm, LLC logoThe Singleton Law Firm, LLCWaukesha, WIC 49How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 64%60+38.1Reliability 28%34+9.6Replies to reviews 8%72+5.9Momentum penalty58−4.2Experts Score= 49Not enough data for value; its weight is shared by the others.Grade C: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.BD––CB4.62—

What jobs cost

What customers paid, from the price Google asks reviewers to report.

JobLow25th percentile: 1 in 4 customers paid less than this.TypicalMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range).High75th percentile: 1 in 4 customers paid more than this.FairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.

DUI Lawyers in Waukesha, WI at a glance

How the 10 DUI lawyers we rated in Waukesha, WI compare, and what customers praise most.

Experts Score grades

A = score 80+, F = below 20.

  • Grade A220%
  • Grade B440%
  • Grade C440%
  • Grade D00%
  • Grade F00%

Google ratings

Average stars per company.

  • 4.90★ and up220%
  • 4.80–4.89★110%
  • 4.60–4.79★660%
  • Below 4.60★110%

What customers praise

Share of Google review highlights.

  • Quality1,31824%
  • Professionalism1,74432%
  • Responsiveness1,36825%
  • Punctuality00%
  • Value1,07820%

Was the price fair?

All price verdicts left with reviews.

Not enough data yet.

Price verdicts by year

Share calling it great / reasonable / overpriced.

How we grade

Satisfaction (54%) — Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.

Reliability (24%) — How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.

Craft & service (penalty, up to −10) — Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.

Value (14%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.

Momentum (penalty, up to −10) — Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.

Replies to reviews (7%) — How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.

The 10 best-rated dui lawyers in Waukesha, WI average 4.7★ on Google across 1,360 reviews. Mastantuono Coffee & Thomas SC has the top rating (5.0★), and Grieve Law Criminal Defense has the most reviews (766). Updated November 1, 2026.

10 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (1,360 reviews combined) and currently operating. Request a call back and the company will phone you directly.

Grieve Law Criminal Defense logo
#1

Grieve Law Criminal Defense

4.8 ★★★★★ · 766 Google reviews
Criminal justice attorney · 225 Regency Ct Ste 200, Brookfield, WI 53045

“An exceptional authority in criminal defense! I first came to know Attorney Tom Grieve’s work through my membership with the USCCA/Delta Defense. Having dedicated many hours to their training videos—much of which Tom…” — Google review

View reviews
#2

Bayer Law Offices

4.8 ★★★★★ · 200 Google reviews
Criminal justice attorney

“My son received a speeding ticket while driving in Wisconsin. I contacted Bayer Law Offices and spoke with Attorney Mile. He was great, very professional and was able to appear in court and resolve the speeding…” — Google review

View reviews
Mastantuono Coffee & Thomas SC logo
#3

Mastantuono Coffee & Thomas SC

5.0 ★★★★★ · 33 Google reviews
Criminal justice attorney

“Craig is an amazing guy and an even better attorney he is very organized and fast thinking. He was able to get the charges I was allegedly arrested on reduced resulting in me not having a criminal record as an…” — Google review

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McAvoy Law Offices LLC logo
#4

McAvoy Law Offices LLC

5.0 ★★★★★ · 30 Google reviews
Law firm · 2727 N Grandview Blvd #207, Waukesha, WI 53188

“Excellent lawyer! Knowledgeable, personable and detail oriented. Pays attention to what the client wants and carefully explains the options. Will definitely recommend.” — Google review

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DeLadurantey Law Office LLC logo
#5

DeLadurantey Law Office LLC

4.7 ★★★★★ · 93 Google reviews
Attorney · 136 E Saint Paul Ave, Waukesha, WI 53188

“100% recommend. I called Nate and within minutes was called back. He gave me great advice and put my mind at ease about a scam debt collector that was calling me. Would absolutely recommend to anyone in this situation.” — Google review

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Kuchler & Cotton, S.C. logo
#6

Kuchler & Cotton, S.C.

4.7 ★★★★★ · 87 Google reviews
Trial attorney · 1535 E Racine Ave, Waukesha, WI 53187

“This is a Law firm that you can trust with your life. Extremely professional from the staff to the attorneys. If your battling a war like I was, these are the soldiers you want. Thank you Donna, Tony and Kate!” — Google review

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The Singleton Law Firm, LLC logo
#7

The Singleton Law Firm, LLC

4.6 ★★★★★ · 53 Google reviews
Criminal justice attorney · 2727 N Grandview Blvd Ste 118, Waukesha, WI 53188

“Good attorney, had to pay more because I missed court date and that’s okay. He worked with me in terms of a payment plan. Was very patient on that as I was sporadic on payments. But big ups to him, not rude just…” — Google review

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Sterling Lawyers, LLC logo
#8

Sterling Lawyers, LLC

4.6 ★★★★★ · 42 Google reviews
Divorce lawyer · N19 W24400 Riverwood Dr Ste 350, Waukesha, WI 53188

“Ryan Shope was a fantastic attorney. She walked me through the prenup process very patiently, through several revisions. I'd recommend Sterling Lawyers and especially Ryan Shope to anybody needing a family law attorney.” — Google review

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John Paul Marchan Attorney at Law logo
#9

John Paul Marchan Attorney at Law

4.6 ★★★★★ · 31 Google reviews
Attorney · 707 W Moreland Blvd #9, Waukesha, WI 53188

“Sin duda le doy 5 estrellas el abogado john Paul marchan,es muy profesional,amable y paciente,estuvo siempre en comunicación conmigo informándome sobre mi caso,es un excelente abogado.. estoy muy gradecida por…” — Google review

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Lillesand Leonhard Law LLC logo
#10

Lillesand Leonhard Law LLC

4.5 ★★★★★ · 25 Google reviews
Estate planning attorney · 20965 Crossroads Cir, Waukesha, WI 53186

“A big thank you to attorney Lillesand for the excellent service therefrom; who made the process enjoyable - whereupon we completed the forms listed hereunder; the price thereof was reasonable, notwithstanding the…” — Google review

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How we pick dui lawyers in Waukesha

We scan Google Maps for dui lawyer listings in and around Waukesha, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.

Frequently asked questions

Who is the highest-rated dui lawyer in Waukesha?

Mastantuono Coffee & Thomas SC has the highest Google rating on our Waukesha list: 5.0 out of 5 from 33 reviews (as of November 1, 2026).

Which dui lawyer in Waukesha has the most reviews?

Grieve Law Criminal Defense has the most Google reviews among the companies listed here: 766, with a 4.8★ average.

How are these dui lawyers chosen?

Only open Waukesha-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.

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