← Top 100 Plumbing in the Orange County area

Plumbing Companies in Orange County — Graded

All 86 graded plumbing companies in Orange County, California, in market rank order. Same published formula, no paid placements. Data current as of 2026-10-25.

1
88AI ScoreTop 2%
Henley's Plumbing and Air
Yorba Linda · Website
Legitimacy93
Online action85
Reviewsno data yet
Coverage 35% · 2026-10-25
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2
73AI ScoreTop 3%
Advanced Improvements
Fullerton · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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3
73AI ScoreTop 4%
ServiceFirst Restoration, Inc.
Laguna Hills · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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4
73AI ScoreTop 5%
Sun Coast Plumbing
San Juan Capistrano · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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5
71AI ScoreTop 6%
Benrich Service Company
Costa Mesa · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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6
71AI ScoreTop 7%
Brea/Orange County Plumbing, Heating & Air Conditioning, Inc.
Brea · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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7
71AI ScoreTop 9%
Do It Right Plumbers Inc.
Orange · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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8
71AI ScoreTop 10%
Equity Plumbing
Tustin · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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9
71AI ScoreTop 11%
Irvine Pipe and Supply
Santa Ana · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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10
71AI ScoreTop 12%
Parzival Plumbing
Costa Mesa · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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11
70AI ScoreTop 13%
Minuteman Industries
Garden Grove · Website
Legitimacy93
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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12
70AI ScoreTop 14%
Water Heater Warehouse
Fullerton · Website
Legitimacy93
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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13
69AI ScoreTop 16%
Galaxy Plumbing And Repair
Laguna Hills · Website
Legitimacy96
Online action49
Reviewsno data yet
Coverage 35% · 2026-10-25
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14
69AI ScoreTop 17%
Hobi Plumbing
Anaheim · Website
Legitimacy96
Online action49
Reviewsno data yet
Coverage 35% · 2026-10-25
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15
69AI ScoreTop 18%
Water Heater Man
Orange · Website
Legitimacy96
Online action49
Reviewsno data yet
Coverage 35% · 2026-10-25
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16
68AI ScoreTop 19%
Integrity Repipe
San Clemente · Website
Legitimacy93
Online action49
Reviewsno data yet
Coverage 35% · 2026-10-25
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17
68AI ScoreTop 20%
Magna Plumbing
Anaheim · Website
Legitimacy93
Online action49
Reviewsno data yet
Coverage 35% · 2026-10-25
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18
68AI ScoreTop 21%
Weiss 1 Plumbing
Costa Mesa · Website
Legitimacy93
Online action49
Reviewsno data yet
Coverage 35% · 2026-10-25
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19
64AI ScoreTop 23%
Cali's Choice Plumbing & Restoration
Irvine · Website
Legitimacy96
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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20
64AI ScoreTop 24%
Pfs Group
Orange · Website
Legitimacy96
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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21
63AI ScoreTop 25%
Prevent Backflow and Plumbing
Anaheim · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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22
63AI ScoreTop 26%
Silvers Plumbing Inc.
La Habra · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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23
63AI ScoreTop 27%
Westar Plumbing Co.
Huntington Beach · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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24
61AI ScoreTop 28%
Mike Diamond Plumbing, Hvac & Electrical - Anaheim
Anaheim · Website
Legitimacy96
Online action34
Reviewsno data yet
Coverage 35% · 2026-10-25
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25
59AI ScoreTop 30%
Integrity Repipe
Aliso Viejo · Website
Legitimacy93
Online action34
Reviewsno data yet
Coverage 35% · 2026-10-25
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26
59AI ScoreTop 31%
Mike Diamond Plumbing, HVAC & Electrical
Costa Mesa · Website
Legitimacy93
Online action34
Reviewsno data yet
Coverage 35% · 2026-10-25
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27
59AI ScoreTop 32%
Plumbing & Maintenance Supply
Stanton · Website
Legitimacy93
Online action34
Reviewsno data yet
Coverage 35% · 2026-10-25
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28
57AI ScoreTop 33%
Chick's Plumbing
Capistrano Beach · Website
Legitimacy100
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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29
57AI ScoreTop 34%
Socal Plumbing & Rooter Inc.
Brea · Website
Legitimacy100
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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30
55AI ScoreTop 35%
A2z Plumbing Services, Inc.
Anaheim · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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31
55AI ScoreTop 37%
Beach West Plumbing
Costa Mesa · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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32
55AI ScoreTop 38%
C & R Drains
Costa Mesa · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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33
55AI ScoreTop 39%
California Rooter And Plumbing Inc.
Santa Ana · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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34
55AI ScoreTop 40%
Coast 2 Coast Plumbing
Stanton · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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35
55AI ScoreTop 41%
Coast Plumbing, Heating & Air, Inc.
Fountain Valley · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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36
55AI ScoreTop 42%
Crandall's Plumbing Inc.
Huntington Beach · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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37
55AI ScoreTop 44%
Creative Design Plumbing
Huntington Beach · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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38
55AI ScoreTop 45%
Devinney Plumbing, Inc.
Huntington Beach · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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39
55AI ScoreTop 46%
Dymek's Freedom Plumbing, Inc
Anaheim · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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40
55AI ScoreTop 47%
Four Star Plumbing
San Clemente · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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41
55AI ScoreTop 48%
Gallagher Plumbing
Orange · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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42
55AI ScoreTop 49%
Heaton & Son Plumbing
Orange · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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43
55AI ScoreTop 50%
J & P Plumbing
Orange · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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44
55AI ScoreTop 52%
J's Plumbing
Anaheim · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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45
55AI ScoreTop 53%
Jacot Plumbing, Inc.
Garden Grove · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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46
55AI ScoreTop 54%
Las Colinas
Placentia · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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47
55AI ScoreTop 55%
Lots Plumbing Inc.
Fullerton · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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48
55AI ScoreTop 56%
MJF Plumbing
Mission Viejo
Legitimacy96
Online action24
Reviewsno data yet
Coverage 35% · 2026-10-25
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49
55AI ScoreTop 57%
Optimal Plumbing
Lake Forest · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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50
55AI ScoreTop 59%
Optimum Plumbing Services
Santa Ana · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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51
55AI ScoreTop 60%
Pennine Plumbing
Fullerton · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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52
55AI ScoreTop 61%
Pipeline Restoration Plumbing
Santa Ana · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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53
55AI ScoreTop 62%
Pristine Plumbing Inc
Irvine · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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54
55AI ScoreTop 63%
Professional Plumbing Inc
Fountain Valley · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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55
55AI ScoreTop 64%
Purdy Plumbing & Drain
Fullerton · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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56
55AI ScoreTop 66%
Regency Plumbing & Piping Inc
Orange · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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57
55AI ScoreTop 67%
Robert Fischer Plumbing
San Clemente · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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58
55AI ScoreTop 68%
Scott English Plumbing Inc.
Anaheim · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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59
55AI ScoreTop 69%
Scott Harrison Plumbing And Heating, Inc.
Stanton · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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60
55AI ScoreTop 70%
Severson Plumbing Inc.
Irvine · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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61
55AI ScoreTop 71%
Shoreline Plumbing
Costa Mesa · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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62
55AI ScoreTop 73%
Sterling Plumbing
Santa Ana · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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63
55AI ScoreTop 74%
Tankless Solutions
Los Alamitos · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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64
55AI ScoreTop 75%
Verne's Plumbing
Buena Park · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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65
55AI ScoreTop 76%
Watertight Plumbing Inc
Huntington Beach · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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66
55AI ScoreTop 77%
Whole House Water Filter
San Clemente · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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67
54AI ScoreTop 78%
A & I Professional Services
Fullerton · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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68
54AI ScoreTop 80%
Ameri-Cal Repipe & Plumbing
Buena Park · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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69
54AI ScoreTop 81%
American West Services
Newport Beach · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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70
54AI ScoreTop 82%
Doheny plumbing inc
San Clemente · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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71
54AI ScoreTop 83%
First Option Plumbing
Anaheim · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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72
54AI ScoreTop 84%
Flow Technology Plumbing, Inc.
Buena Park · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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73
54AI ScoreTop 85%
Ground Up Plumbing CO
Fullerton · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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74
54AI ScoreTop 87%
Iron Mountain Plumbing
Yorba linda · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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75
54AI ScoreTop 88%
PMC Plumbing Inc.
Anaheim · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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76
54AI ScoreTop 89%
Repipe Top Team
Costa Mesa · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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77
54AI ScoreTop 90%
Xcel Plumbing
Irvine · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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78
54AI ScoreTop 91%
Xtreme Plumbers
Los Alamitos · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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79
41AI ScoreTop 92%
A Rivas Plumbing
San Clemente
Legitimacy96
Online action0
Reviewsno data yet
Coverage 35% · 2026-10-25
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80
41AI ScoreTop 94%
Carr Plumbing Contractors
Orange
Legitimacy96
Online action0
Reviewsno data yet
Coverage 35% · 2026-10-25
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81
41AI ScoreTop 95%
G & W Plumbing And Repipe
Buena Park
Legitimacy96
Online action0
Reviewsno data yet
Coverage 35% · 2026-10-25
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82
41AI ScoreTop 96%
J & Sj Contractors
Placentia
Legitimacy96
Online action0
Reviewsno data yet
Coverage 35% · 2026-10-25
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83
41AI ScoreTop 97%
Klean Plumbing
Anaheim
Legitimacy96
Online action0
Reviewsno data yet
Coverage 35% · 2026-10-25
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84
41AI ScoreTop 98%
Liquid Plumbing
Anaheim
Legitimacy96
Online action0
Reviewsno data yet
Coverage 35% · 2026-10-25
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85
41AI ScoreTop 99%
Proficient Plumbing & Rooter Inc.
Orange
Legitimacy96
Online action0
Reviewsno data yet
Coverage 35% · 2026-10-25
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86
40AI ScoreTop 100%
The Family Plumber
Los Alamitos
Legitimacy93
Online action0
Reviewsno data yet
Coverage 35% · 2026-10-25
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How the AI Score works

Every company carries an AI Score from 1–100, computed by one published formula from the signals measurable today — legitimacy and online action, verified across at least two independent sources (open place datasets and public registries). The formula's other factors — blended reviews, complaint record, and responsiveness — carry no weight in the score until licensed data sources for them exist. When they land, the score re-spreads across the full formula.

One disclosed exception: a score of 100 is reserved for RankMyCompany clients; every other score is computed by the same formula for everyone. Scores are not spread artificially — companies with identical measured data share identical scores — and each listing also shows its rank and its percentile within its category.

Missing-data rule: when a factor has no lawful data source for a company yet, its weight redistributes proportionally across the factors that do have data, and every score shows its data-coverage %. Coverage rises as licensed sources are added; scores are recomputed monthly and score history is kept for every company.

No score is ever adjusted by hand, sold, or removed for payment. Companies marked RMC Client are scored by the exact same formula as everyone else — the 100 cap above is the only exception, and it is disclosed here rather than hidden. If your company's underlying data is wrong, file a correction on the dispute page — disputes fix the data, and the corrected data flows into the next ranking run.

Place data: © OpenStreetMap contributors (ODbL) and Overture Maps Foundation (CDLA Permissive 2.0). Listings are refreshed monthly; a score change from a refresh takes effect only after the new score holds for two consecutive runs. Formula changes are published as a new methodology version — never applied silently.

Read the full standard — The RMC Standard →