#1
Avance Professional Services - East Main
“The staff is very knowleable and very helpful. The owners are some of the most proffesional people i have had the pleasure of doing business with. True proffessional. Thank you.” — Google review
Experts Reviews · 2026 Ratings
The Best Document Preparation Services in Norwalk, CT
We graded 7 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).
96%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.
1.8%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 4,040 Google reviews of 40 top-rated document preparation services nationwide; 7 of them in Norwalk, CT. Updated November 1, 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 document preparation services).
| # | Company | ScoreExperts 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). |
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| 1 |  Liebert & Associates CPANorwalk, CT | A 97How 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%96+25Value 15%98+14.9Craft & service penalty98−0.2Experts Score= 97Not 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 | — |
| 2 | Avance Professional Services - East MainNorwalk, CT | A 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 55%94+51.3Reliability 24%95+23Value 14%97+13.7Replies to reviews 7%99+7Craft & service penalty99−0.1Experts Score= 95Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.93 | — |
| 3 |  Avance Professional Services - West MainNorwalk, CT | A 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%96+56.3Reliability 26%96+25Value 15%90+13.7Craft & service penalty98−0.2Experts 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– | 4.95 | — |
| 4 |  Integral LLCNorwalk, CT | A 84How 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%90+62.3Reliability 31%87+26.8Momentum penalty49−5.1Experts Score= 84Not 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. | AA––C– | 4.93 | — |
| 5 |  By The Book TaxesNorwalk, CT | A 84How 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%87+51.1Reliability 26%76+19.8Value 15%86+13.1Experts Score= 84Not 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. | AB–AA– | 4.86 | — |
| 6 |  Carta, McAlister & Moore, LLCNorwalk, CT | B 73How 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%79+54.7Reliability 31%75+23.1Momentum penalty57−4.3Experts Score= 73Not enough data for value, replies to reviews; its weight is shared by the others.Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BB––C– | 4.84 | — |
| 7 |  Avance Professional Services NorwalkNorwalk, CT | B 71How 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%78+42.5Reliability 24%62+15Value 14%93+13.2Replies to reviews 7%100+7.1Craft & service penalty99−0.1Momentum penalty36−6.4Experts Score= 71Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBAADA | 4.85 | — |
What jobs cost
What customers paid, from the price Google asks reviewers to report.
| Job | Low25th 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”. |
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Document Preparation Services in Norwalk, CT at a glance
How the 7 document preparation services we rated in Norwalk, CT compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A571%
- Grade B229%
- Grade C00%
- Grade D00%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up457%
- 4.80–4.89★343%
- 4.60–4.79★00%
- Below 4.60★00%
What customers praise
Share of Google review highlights.
- Quality18225%
- Professionalism21729%
- Responsiveness17924%
- Punctuality00%
- Value16222%
Was the price fair?
All price verdicts left with reviews.
- Great price18461%
- Reasonable9933%
- Overpriced124%
- Not sure52%
Price verdicts by year
Share calling it great / reasonable / overpriced.
2025
2026
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 8 best-rated document preparation services in Norwalk, CT average 4.9★ on Google across 481 reviews. Avance Professional Services - West Main has the top rating (5.0★), and Avance Professional Services - East Main has the most reviews (95). Updated October 28, 2026.
8 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (481 reviews combined) and currently operating. Request a call back and the company will phone you directly.
#2
Andrea Tax and Financial Services LLC
“Amazing service, took kind of long but they were so thorough and made sure they did everything right. I also learned a lot of about taxes. The service was great and I will definitely be returning.” — Google review
#3
Integral LLC
“Excelente servicio ! Me ayudaron con todo mi proceso de cambio de estatus y con mis Taxes! Son súper amables y atentos !” — Google review
#4
Avance Professional Services - West Main
“Always have a great, easy, efficient experience with Avance! Alexandra Aquino, our accountant, is very friendly and welcoming and will get your taxes done very quickly. What's more they are extremely affordable!…” — Google review
#5
Avance Professional Services Norwalk
“Excelente atención al cliente, puntualidad, los asesores son muy amables en especial Santiago, sin duda volveré y los recomiendo totalmente…. !gracias por su buen servicio!” — Google review
#6
Liebert & Associates CPA
“I’ve had an excellent experience working with Liebert Associates. Every CPA I’ve worked with there has been extremely professional, responsive, and helpful throughout the process. Brian, the founder, has personally…” — Google review
#7
By The Book Taxes
“We had an excellent experience working with Mike on our income taxes and highly recommend him. He is responsive, organized, and makes the filing process straightforward and easy to navigate. We will absolutely…” — Google review
#8
Carta, McAlister & Moore, LLC
“Glen Moore is the best attorney I have ever worked with. He helped my wife and I so much throughout our home buying journey. Ensuring we were protected, covered, and all items were properly addressed for a clean…” — Google review
How we pick document preparation services in Norwalk
We scan Google Maps for document preparation service listings in and around Norwalk, 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 document preparation service in Norwalk?
Avance Professional Services - West Main has the highest Google rating on our Norwalk list: 5.0 out of 5 from 42 reviews (as of October 28, 2026).
Which document preparation service in Norwalk has the most reviews?
Avance Professional Services - East Main has the most Google reviews among the companies listed here: 95, with a 4.9★ average.
How are these document preparation services chosen?
Only open Norwalk-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.