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Thon Beck Vanni Callahan & Powell, A Professional Corporation

ListedPersonal InjuryLos Angeles, CA● Accepting new clients
★★★★★ 4.9 · 184 Google reviews1 office7 attorneysEnglish · Spanish
Not statedFee model
FreeInitial consultation
24/7intake line
8Practice areas

About Thon Beck Vanni Callahan & Powell, A Professional Corporation

Thon Beck Vanni Callahan & Powell, A Professional Corporation is a personal injury firm with a single office in Pasadena.

The firm states that the first consultation is free; its intake line is open around the clock. It publishes material in English and Spanish. It does not state a fee model on its public pages, so none is recorded here.

What this firm has earned Every one from a measured value, with the evidence behind it

No public discipline

No named attorney carries a disbarment, a suspension or a disciplinary resignation on the State Bar of California's record, across the 6 we identified. Administrative suspensions, which the State Bar states are non-disciplinary, are not counted here

4.9 average over 184 reviews

A high rating is easy at low volume and hard to hold at this one. Pillar C scores it against the market rather than against five stars.

Service in Spanish

Published by the firm on its own pages, which is how this was measured rather than assumed from a name.

32 years average at the bar

Mean 32.2 years since admission across 6 of 7 named attorneys (longest 48, shortest 0) · NYS Attorney Registration database

LFL Certification Score Scored under Methodology v2.0 · rows tagged Registry, Observed or Ahrefs are measured; rows tagged Illustrative are sample values pending full verification

55out of 100
LFL Certification Score · Methodology v2.0Scored across 87 of the 87 points this firm's state lets anyone measure, out of 100 in the methodology: 13 of them need a register that California does not publish for us to read. Anything unscored counts neither for nor against the firm.

Listed

1 eligibility gate(s) still to be checked. 1 could not be answered from the available records (G3) and does not count against the firm. Strongest pillar: C; most headroom in pillar B (0/15).

10 points to Certified
65 needed · A+B+C floor met (62% of the A, B and C points assessed)
Most headroom: B1 Results published: +6 available · B2 Specificity: +5 available · E1 Free consult & fee transparency: +5 available
G1 LicensureNot checked5 of 7 named attorneys hold an active California licence. 1 do not (Thomas P. Beck: Inactive). No discipline is recorded against any of them, so this is a licence status rather than a finding of misconduct, and either record may be out of date.
G2 DisciplineNo named attorney carries a disbarment, a suspension or a disciplinary resignation on the State Bar of California's record, across the 6 we identified. Administrative suspensions, which the State Bar states are non-disciplinary, are not counted here
G3 Entity & officeNot published by CA1 physical location verified on Google Business Profile. California publishes no business register we are able to query, so the registration itself is not verified here. The state's own business search is the place to check it.
G5 WebsiteSite has served over HTTPS, a working phone number published, 7 named attorneys published.
G6 Footprint184 public client reviews across 1 Google listing, above the 10 minimum, and the firm's domain has been registered since 2001-12-06, so it has been operating for more than a year
Professional Standing
18/25
A2 ExperienceRegistryMean 32.2 years since admission across 6 of 7 named attorneys (longest 48, shortest 0) · NYS Attorney Registration database10 / 10
A6 Roster verifiabilityRegistry6 of 7 named attorneys matched to the California register; no bar number published on any bio4.5 / 9
A5 AccountabilityObservedmember of American Board of Trial Advocates · no professional liability cover disclosed, which is not scored here: plaintiff firms in this market do not publish it, and an absence shared by every firm separates none of them3 / 3
BPublished Outcomes
0/15
B1 Results publishedFirm-submittedThe firm publishes no case results we could read0 / 6
B2 SpecificityFirm-submitted0 case types named; no court or county named, so no result can be looked up0 / 5
B3 Results disclosureFirm-submittedNo prior-results disclaimer on the results page. A past result is not a prediction of another one, and the disclaimer is the sentence that says so0 / 4
CClient Experience
18/20
C1 Authentic volumeObserved184 Google reviews · Google Business Profile via Places API. 1 listing, counts summed and rating weighted by count4 / 5
C2 Rating qualityObservedGoogle rating 4.9 over 184 reviews → Bayesian 4.87 (prior 4.83 weighted as 100 reviews, from 1410 scored firms) · single platform, Google only5 / 6
C3 Review recencyGoogle5 of 5 sampled reviews are from the last 12 months (newest 2026-08-13) · a sample of five per business listing, not every review5 / 5
C5 Complaint shareGoogle0 of 5 sampled reviews rate 1 or 2 stars · a sample, so this is the shape of the complaints rather than a count of them4 / 4
DDigital Presence & Authority
8/25
D1 Website trust & experienceObservedCWV fail · no fee statement · privacy policy · no disclaimer · fresh content · scored out of 5 of the 7: nothing has measured accessibility or bar numbers on bios here yet, so it is not counted against this firm1.5 / 5
D2 Search authorityAhrefs · 2026-10-19DR 18.0 → 60th pct of 141-firm cohort (median 13) 2/3 · 1,154 referring domains, 50th pct 1/2 · 117 organic keywords / 1,071 visits·mo, 73th pct 1/2 · brand demand 0/1 (pending)4 / 8
D3 Local presenceGoogle1 operational Google Business Profile listing · 10 or more photos, which is where the API stops counting · 5 categories, hours published, which almost every listing here has and so separates nobody · the services list, Q&A and recent posts are owner-side fields the Places API does not expose, and NAP consistency across citations and local-pack rank have no source here, so the rest of this sub-factor leaves the scale rather than being scored as unearned1 / 1
D4 Content, E-E-A-T & schemaAhrefs · 2026-10-19JSON-LD detected 1/1 · not assessed on any firm yet, so content depth and earned media and AI citations leave the scale (4 pts)1 / 1
EAccess & Responsiveness
5/15
E1 Free consult & fee transparencyObservedFree consultation · fee model not published · the fee percentage itself is not published1 / 6
E3 Languages & accessibilityObservedEnglish, Spanish1.5 / 4
E4 AvailabilityObserved24/7 intake line2.5 / 5
Next automated re-check: Nov 1, 2026 · Cohort: Los Angeles Personal Injury (144 firms measured)How the score works →

Digital presence snapshot

Pillar D signals, re-measured monthly. Paid advertising is not scored.

Domain authority
18· 59th percentile
1,154 ref. domains · cohort median 13.5 · Ahrefs rank 10.8M
Observed · Ahrefs, 2026-10-19
Trust pages
2 / 2
blog · privacy policy
Observed
Core Web Vitals
Failmobile
Performance 60
Observed · PSI, 2026-10-12

Attorneys 6 attorneys · every licence checked against the California attorney register · 1 more person is named by the firm without a role, so we do not call them attorneys

DP
Dan PowellAdmitted in CA
GV
Greg VanniAdmitted in CA
KC
Kevin CallahanAdmitted in CA
RO
Raffi OhanianAdmitted in CA
JC
Joshua CieszynskiAdmitted in CA
TB
Thomas P. BeckAdmitted in CA

Also named by the firm

The firm lists this person among its team and prints no role beside the name, so we do not describe them as attorneys.

Client reviews

4.9
★★★★★
Based on 184 Google reviews · Google Business Profile via Places API. 1 listing, counts summed and rating weighted by count · Quotes below are testimonials published by the firm

Offices 1 location · main office: Thon Beck Vanni Callahan & O’Connor, A Professional Corporation

Thon Beck Vanni Callahan & O’Connor, A Professional Corporation140 S Lake Ave #208, Pasadena, CA 91101, USA