Analyzing 9,834,9439.8M ReviewsFor 27,69627.7K Experts
We graded 9 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 6,259 Google reviews of 29 top-rated notary publics nationwide; 9 of them in Oklahoma City, OK. Updated November 11, 2026.
Pick the job — we re-rank companies by how customers rated that exact job.
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 notary publics).
| # | 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). |
|---|---|---|---|---|---|
| 1 |  Nationwide Process Servers, International Private Investigations, Notary Public, Polygraph Examinations, & Skip TracingOklahoma City, OK | A 99How 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%100+69.2Reliability 31%98+30.2Experts Score= 99Not 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––A– | 5.00 | — |
| 2 |  Sneaky Cat Private Eyes, Process Servers, Lie Detection, Mediation Service, Mobile Notary, & Skip TracingOklahoma City, OK | A 99How 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%99+68.5Reliability 31%98+30.2Experts Score= 99Not 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––A– | 4.99 | — |
| 3 |  Oklahoma City Mediation Services, Lie Detector Tests, Edmond Process Servers, Norman Private Detectives & Notary PublicOklahoma City, OK | A 98How 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%99+68.5Reliability 31%96+29.5Experts Score= 98Not 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––A– | 5.00 | — |
| 4 |  Nationwide Process Servers, International Private Investigations, Notary Public, Polygraphs, Mediation, & Skip TracingOklahoma City, OK | 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 69%98+67.8Reliability 31%95+29.2Experts Score= 97Not 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––A– | 4.96 | — |
| 5 |  Edmond, Oklahoma Private Investigators, Process Servers, Mediation Service, Notary Public & Mobile Notary, & Polygraph TestsOklahoma City, OK | 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 69%97+67.2Reliability 31%97+29.8Experts Score= 97Not 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––A– | 4.97 | — |
| 6 |  Certified Mobile Notary ServiceOklahoma City, OK | A 96How 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%90+13.7Craft & service penalty98−0.2Experts Score= 96Not 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 | — |
| 7 |  Process Servers, Civil & Criminal Private Detectives, Mobile Notary, Mediators, Document Retrieval & Polygraph TestsOklahoma City, OK | A 92How 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%93+59.1Reliability 28%89+25.1Replies to reviews 8%90+7.4Experts Score= 92Not enough data for value; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA––AA | 4.88 | — |
| 8 |  Private Investigations, Process Serving, Mediation Services, Polygraphs, Notary Public, Skip Tracing, & Expert WitnessesOklahoma City, OK | 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 64%86+54.6Reliability 28%82+23.2Replies to reviews 8%78+6.4Experts Score= 84Not enough data for value; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA––AB | 4.87 | — |
| 9 |  PLS Check CashersOklahoma City, OK | 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%79+43.1Reliability 24%64+15.5Value 14%81+11.5Replies to reviews 7%89+6.3Craft & service penalty77−2.3Momentum penalty69−3.1Experts Score= 71Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBBABA | 4.75 | — |
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”. |
|---|
How the 9 notary publics we rated in Oklahoma City, OK compare, and what customers praise most.
A = score 80+, F = below 20.
Average stars per company.
Share of Google review highlights.
All price verdicts left with reviews.
Share calling it great / reasonable / overpriced.
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 notary publics in Oklahoma City, OK average 5.0★ on Google across 2,042 reviews. Nationwide Process Servers, International Private Investigations, Notary Public, Polygraph Examinations, & Skip Tracing has the top rating (5.0★), and PLS Check Cashers has the most reviews (1,094). Updated November 10, 2026.
10 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (2,042 reviews combined) and currently operating. Request a call back and the company will phone you directly.
“We needed to find a notary public to help notarize a car title. This mobile notary came to our house and helped notarized our vehicle title the same evening. Very professional service. Will use again.” — Google review
“Nationwide process servers did a wonderful job taking care of my process serving needs. They did not delay! Thank you for your hard work!” — Google review
“I would highly recommend Nationwide process services. They do excellent work and I was beyond impressed with their work and fast service. It took 3 days I was so impressed with their fast service. I wish I could give…” — Google review
“I really appreciate the way they handled everything. They made me feel comfortable, listened to my concerns, and treated me with kindness and respect. Their professionalism and understanding made a big difference in…” — Google review
“Maria was awesome she helped figure out an issue with my card and helped tremendously. One of the better PLS spots in town for sure.” — Google review
“Yohana was fast and efficient and was able to see us on a Sunday! Will most definitely come back for all our notary needs.” — Google review
“I went through two servers trying to get a HVAC technician served to decided not to do the job after I had paid him. They got it done quickly and promptly and very professional would highly recommend them. Will…” — Google review
“Glenna is so nice and helpful! She was available when I really needed to get documents notarized and she was a delight to talk to.” — Google review
“We needed the notary service in the evening, at a hospital. The service was quick and completely professional. I couldn’t have asked for anything more.” — Google review
“Very professional and prompt to respond. They completed my request in less than 48 hours. Very satisfied with their service.” — Google review
We scan Google Maps for notary public listings in and around Oklahoma City, 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.
Nationwide Process Servers, International Private Investigations, Notary Public, Polygraph Examinations, & Skip Tracing has the highest Google rating on our Oklahoma City list: 5.0 out of 5 from 111 reviews (as of November 10, 2026).
PLS Check Cashers has the most Google reviews among the companies listed here: 1,094, with a 4.8★ average.
Only open Oklahoma City-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.
Also in Oklahoma City: Weed Control Services · Adult Education · Chimney Inspection Services · Physical Therapists · House Cleaning Services · Airport Shuttle Services · Photographers · Auto Body Shops · Video Production Companies · Carpet Cleaning · Child Development Centers · Document Preparation Services · Pet Stores · Basement Cleaning Services · Wrongful Termination Lawyers · Water Feature Installation · Framing Contractors
Analyzing 9,834,9439.8M ReviewsFor 27,69627.7K Experts