Which AI named 辻・本郷税理士法人 most often?

Gemini named 辻・本郷税理士法人 in 100% of its answers, while ChatGPT did not mention the firm at all.

What source did the AI answers cite most?

zeiri4.com was the most-cited source, with a 20.3% share of citations, followed by meetsmore.com at 12.3%.

How was the survey conducted?

Branding Works sent the same question to ChatGPT (gpt-5.1) and Gemini (gemini-3.1-pro) three times per measurement day over 28 days, collecting 168 valid responses.

Large Language ModelsAI Business & IndustryASCII.jp4h agoNov 6, 2026, 16:00 JST

辻・本郷税理士法人 tops AI picks for tax firms at 50%

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3 Key Points

What happened
In Branding Works' October 2026 survey of ChatGPT and Gemini answers, 辻・本郷税理士法人 appeared in 50% of responses, ahead of ベンチャーサポート税理士法人 at 47% and 税理士ドットコム at 36.9%.
Why it matters
The firm's top-of-mind position in AI answers suggests visibility inside generated recommendations is becoming a distinct channel from traditional search ranking, per the survey's framing.
What to watch
Branding Works is accepting sign-ups for its AI search optimization plan through the end of December 2026, with work starting within the year for those who apply by then.

WHO IT HITSMarketing and PR teams at tax accounting firms, and the comparison sites they court, now face a channel where an AI's answer can surface a competitor by name — with roughly one in five citations traced to zeiri4.com.

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Context & Analysis

The survey's split between the two AI models is the detail worth pausing on. Gemini named 辻・本郷税理士法人 in every answer, while ChatGPT mentioned the firm in none, and ChatGPT declined to name any specific brand in 88% of its responses — often asking the user clarifying questions instead. That gap means a firm's standing depends heavily on which assistant a prospective client happens to use, not on a single cross-platform ranking.

The citation data adds another layer: the top sources behind AI answers are comparison and ranking sites, with zeiri4.com alone accounting for 20.3% of citations. Branding Works frames this as a structural point — which directories a firm appears in may shape whether an AI recommends it at all. The firm is also selling services around that premise, including a two-month AI search optimization plan priced at ¥250,000 per month (¥500,000 total, excluding tax).

FAQ

Which AI named 辻・本郷税理士法人 most often?: Gemini named 辻・本郷税理士法人 in 100% of its answers, while ChatGPT did not mention the firm at all.
What source did the AI answers cite most?: zeiri4.com was the most-cited source, with a 20.3% share of citations, followed by meetsmore.com at 12.3%.
How was the survey conducted?: Branding Works sent the same question to ChatGPT (gpt-5.1) and Gemini (gemini-3.1-pro) three times per measurement day over 28 days, collecting 168 valid responses.

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