← All Orange County area categories

Top 100 Accounting & Tax Companies in the Orange County area — Graded

407 accounting & tax companies in the Orange County area clear our data floor — verified in at least two independent sources with a working phone or website — and are graded by one published formula. The top 100 are below; the full ranked list is split by area. Grades refreshed monthly; data current as of 2026-10-25.

Orange County (407)
1
95AI ScoreTop 1%
Liberty Tax Service
Garden Grove · Website
Legitimacy96
Online action94
Reviewsno data yet
Coverage 35% · 2026-10-25
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2
88AI ScoreTop 1%
Good Jobs
Garden Grove · Website
Legitimacy93
Online action85
Reviewsno data yet
Coverage 35% · 2026-10-25
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3
88AI ScoreTop 1%
H&R Block
Fountain Valley · Website
Legitimacy93
Online action85
Reviewsno data yet
Coverage 35% · 2026-10-25
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4
88AI ScoreTop 1%
H&R Block
Costa Mesa · Website
Legitimacy93
Online action85
Reviewsno data yet
Coverage 35% · 2026-10-25
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5
88AI ScoreTop 2%
H&R Block
Westminster · Website
Legitimacy93
Online action85
Reviewsno data yet
Coverage 35% · 2026-10-25
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6
88AI ScoreTop 2%
H&R Block
San Clemente · Website
Legitimacy93
Online action85
Reviewsno data yet
Coverage 35% · 2026-10-25
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7
88AI ScoreTop 2%
H&R Block
Costa Mesa · Website
Legitimacy93
Online action85
Reviewsno data yet
Coverage 35% · 2026-10-25
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8
88AI ScoreTop 2%
H&R Block
Costa Mesa · Website
Legitimacy93
Online action85
Reviewsno data yet
Coverage 35% · 2026-10-25
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9
88AI ScoreTop 3%
H&R Block
Lake Forest · Website
Legitimacy93
Online action85
Reviewsno data yet
Coverage 35% · 2026-10-25
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10
88AI ScoreTop 3%
H&R Block
Mission Viejo · Website
Legitimacy93
Online action85
Reviewsno data yet
Coverage 35% · 2026-10-25
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11
88AI ScoreTop 3%
H&R Block
Santa Ana · Website
Legitimacy93
Online action85
Reviewsno data yet
Coverage 35% · 2026-10-25
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12
88AI ScoreTop 3%
H&R Block
Irvine · Website
Legitimacy93
Online action85
Reviewsno data yet
Coverage 35% · 2026-10-25
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13
81AI ScoreTop 4%
Advanced Billing Consultants
Rancho Santa Margarita · Website
Legitimacy96
Online action70
Reviewsno data yet
Coverage 35% · 2026-10-25
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14
81AI ScoreTop 4%
Advanced Credit Consultant
Irvine · Website
Legitimacy96
Online action70
Reviewsno data yet
Coverage 35% · 2026-10-25
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15
81AI ScoreTop 4%
Liberty Tax
Garden Grove · Website
Legitimacy96
Online action70
Reviewsno data yet
Coverage 35% · 2026-10-25
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16
80AI ScoreTop 4%
Kannoth & Associates CPA, Inc.
Lake Forest · Website
Legitimacy93
Online action70
Reviewsno data yet
Coverage 35% · 2026-10-25
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17
73AI ScoreTop 5%
Alpine Group
Santa Ana · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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18
73AI ScoreTop 5%
Art of Tax
Santa Ana · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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19
73AI ScoreTop 5%
Atsource
Fountain Valley · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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20
73AI ScoreTop 5%
Carlson Accountancy Corporation
Tustin · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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21
73AI ScoreTop 6%
Carrot & Co.
Irvine · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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22
73AI ScoreTop 6%
Cmc Tax Services, Inc.
Tustin · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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23
73AI ScoreTop 6%
Federal Tax Network
Newport Beach · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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24
73AI ScoreTop 6%
Ferguson, Timar & Company
Fullerton · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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25
73AI ScoreTop 7%
HBLA Certified Public Accountants, Inc.
Irvine · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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26
73AI ScoreTop 7%
Incentadvise, Inc.
San Juan Capistrano · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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27
73AI ScoreTop 7%
Momen Tax Services
Fountain Valley · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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28
73AI ScoreTop 7%
Munson, Eisenman and Giangrande
Fullerton · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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29
73AI ScoreTop 8%
N2 Tax and Bookkeeping
Mission Viejo · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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30
73AI ScoreTop 8%
Nienow & Tierney, LLP
Tustin · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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31
73AI ScoreTop 8%
RD Tax Service, Inc.
Brea · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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32
73AI ScoreTop 8%
Real World Business Solutions Company
Laguna Niguel · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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33
73AI ScoreTop 9%
San Juan Financial, LTD
San Juan Capistrano · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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34
73AI ScoreTop 9%
SH tax consulting group
Buena Park · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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35
73AI ScoreTop 9%
Tax Advice Guys
Huntington Beach · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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36
71AI ScoreTop 9%
Accountax Aid
Yorba Linda · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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37
71AI ScoreTop 10%
Advantage Accounting Group
Yorba Linda · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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38
71AI ScoreTop 10%
AFP Saddington LLP
Irvine · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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39
71AI ScoreTop 10%
Bere Income Tax & Services
Costa Mesa · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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40
71AI ScoreTop 10%
Bharmal & Associates
Irvine · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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41
71AI ScoreTop 11%
Collaso Tax Services
Newport Beach · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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42
71AI ScoreTop 11%
Corporate Audit Partners
San Juan Capistrano · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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43
71AI ScoreTop 11%
Cortes & Co
Placentia · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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44
71AI ScoreTop 11%
El Triunfo Corporation
Santa Ana · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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45
71AI ScoreTop 12%
Genske Mulder & CO LLP
Costa Mesa · Website
Legitimacy96
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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46
71AI ScoreTop 12%
Golden Empire Accounting and Tax
Santa Ana · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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47
71AI ScoreTop 12%
Keystone CPA
Fullerton · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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48
71AI ScoreTop 12%
Masler & Associates, Inc.
Irvine · Website
Legitimacy96
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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49
71AI ScoreTop 13%
MinowCPA Corporation
Newport Beach · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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50
71AI ScoreTop 13%
Newport Medical Solutions
Orange · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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51
71AI ScoreTop 13%
OC Financial Services
Fullerton · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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52
71AI ScoreTop 13%
Piterak's Accounting & Tax Services
Yorba Linda · Website
Legitimacy96
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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53
71AI ScoreTop 14%
Rogers Business Services
Placentia · Website
Legitimacy96
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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54
71AI ScoreTop 14%
S&R Accounting Professionals, LLP
Anaheim · Website
Legitimacy96
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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55
71AI ScoreTop 14%
Small Business Tax
Orange · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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56
71AI ScoreTop 14%
Statim
Brea · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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57
71AI ScoreTop 15%
Tax Pros
San Clemente · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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58
71AI ScoreTop 15%
Tehrani and Velez LLP
Irvine · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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59
70AI ScoreTop 15%
American Income Tax Preparation
Orange · Website
Legitimacy93
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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60
70AI ScoreTop 15%
arc mercury
Santa Ana · Website
Legitimacy93
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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61
70AI ScoreTop 15%
Daniel Teran CPA
Los Alamitos · Website
Legitimacy93
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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62
70AI ScoreTop 16%
Fidelity Tax Relief
Tustin · Website
Legitimacy93
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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63
70AI ScoreTop 16%
Lagniappe Accounting Inc
Garden Grove · Website
Legitimacy93
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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64
70AI ScoreTop 16%
Mary's Income Tax
Garden Grove · Website
Legitimacy93
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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65
70AI ScoreTop 16%
Maurer, Gittings & Graf
Orange · Website
Legitimacy93
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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66
70AI ScoreTop 17%
Solutions Income Tax
Orange · Website
Legitimacy93
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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67
70AI ScoreTop 17%
The Pun Group LLP
Santa Ana · Website
Legitimacy93
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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68
69AI ScoreTop 17%
Belmudez Tax Services
Anaheim · Website
Legitimacy96
Online action49
Reviewsno data yet
Coverage 35% · 2026-10-25
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69
69AI ScoreTop 17%
Lee & Associates Accountancy
Newport Beach · Website
Legitimacy96
Online action49
Reviewsno data yet
Coverage 35% · 2026-10-25
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70
68AI ScoreTop 18%
Arcoiris Income Tax
Orange · Website
Legitimacy93
Online action49
Reviewsno data yet
Coverage 35% · 2026-10-25
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71
68AI ScoreTop 18%
Hassan Rashwan, CPA
Anaheim · Website
Legitimacy93
Online action49
Reviewsno data yet
Coverage 35% · 2026-10-25
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72
68AI ScoreTop 18%
My Tax Doc
Orange · Website
Legitimacy93
Online action49
Reviewsno data yet
Coverage 35% · 2026-10-25
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73
68AI ScoreTop 18%
Redeemed Tax and Insurance
Brea · Website
Legitimacy93
Online action49
Reviewsno data yet
Coverage 35% · 2026-10-25
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74
66AI ScoreTop 19%
Lcptracker
Orange · Website
Legitimacy100
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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75
64AI ScoreTop 19%
Brookseed Partners
Trabuco Canyon · Website
Legitimacy96
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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76
64AI ScoreTop 19%
Divine Group LLC
Orange · Website
Legitimacy96
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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78
64AI ScoreTop 20%
TT Tax and Accounting Services
Garden Grove · Website
Legitimacy96
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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79
63AI ScoreTop 20%
Able-Wagner
Anaheim · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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80
63AI ScoreTop 20%
Art's Income Tax
Santa Ana · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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81
63AI ScoreTop 20%
Brighton Jones
Newport Beach · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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82
63AI ScoreTop 21%
Endeavor Consulting
Irvine · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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83
63AI ScoreTop 21%
JNK Accountancy Group
Garden Grove · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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84
63AI ScoreTop 21%
Joseph Vu & Associates
Garden Grove · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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85
63AI ScoreTop 21%
SmartBean® Bookkeeping and Payroll
Orange · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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86
63AI ScoreTop 22%
Sroka & Co CPAs
Irvine · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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87
57AI ScoreTop 22%
White Nelson Diehl Evans Llp
Irvine · Website
Legitimacy100
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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88
56AI ScoreTop 22%
Superior Tax Relief
Santa Ana · Website
Legitimacy97
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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89
55AI ScoreTop 22%
123 Income Tax Inc.
Santa Ana · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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90
55AI ScoreTop 23%
A&l Certified Public Accountants
Anaheim · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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91
55AI ScoreTop 23%
Abregov Parrino, Llp
Irvine · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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92
55AI ScoreTop 23%
Accupay
Huntington Beach · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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93
55AI ScoreTop 23%
Actual Accounting
Irvine · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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94
55AI ScoreTop 24%
Advanced Bookkeeping Services
Huntington Beach · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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95
55AI ScoreTop 24%
Aguilar Income Tax
Santa Ana · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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96
55AI ScoreTop 24%
Alexander Schurawel Cpa
Irvine · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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97
55AI ScoreTop 24%
Alliance Tax Advocate
Santa Ana · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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98
55AI ScoreTop 25%
Alpha Tax
Westminster · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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99
55AI ScoreTop 25%
Altus Economics, Inc.
Tustin · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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100
55AI ScoreTop 25%
Anaheim Tax Services
Anaheim · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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See every graded accounting & tax company: Orange County

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 →