Trust & Proof: 株式会社 PROBIT – Signal Evidence & AI Readability

株式会社 PROBIT

(https://probit.co.jp) 📸 Data Snapshot: May 19, 2026
Trust & Proof — The Lens

Count trust words (review, testimonial, rating, verified) against real outbound proof links (Google, Trustpilot, Clutch, G2, Yelp). Lots of trust language with zero verification links is trust theatre. Unlinked logo galleries count against it.

Trust & Proof Verifiable evidence vs. Trust Theatre.
8 Impact Weight: 20 / 100
40% Reputation

The site displays a trust_theatre_flag across all pages due to a review_count of 1 with a proof_links_count of 0. While it claims certifications like ‘Security Action Two Stars’ and ‘Privacy Mark,’ it fails to provide outbound verification links to the issuing bodies (JIPDEC, etc.). This lack of external proof paths for listed credentials qualifies as trust theatre, even if the claims are likely legitimate for a Japanese SME.

The proof density is skewed toward administrative facts (capital: 1M JPY, listing specific banks like Mitsubishi UFJ) rather than service outcomes. The ratio of ‘administrative proof’ to ‘client-success proof’ is high. While the history page lists several certifications, the lack of external links or portfolio items makes the service claims feel like unverified assertions.

Trust & Proof is read by weighing trust language against real verification. Below is the page-by-page tally of review mentions and external proof links, then the schema markup that may (or may not) declare verifiable ratings and identity proof.

🛡️ Trust Signals — reviews, proof links, trust-theatre check
6Review mentions (all pages)
0External proof links (all pages)
PageReviewsProof links
/ (home) 1 0
/企業情報/ 1 0
/事業内容/ 1 0
/沿革/ 1 0
/採用情報/ 1 0
/情報セキュリティ基本方針/ 1 0
🔗 Identity & Technical Layer — schema JSON-LD: declared ratings, reviews & identity proof
Homepage — no schema detected (entity gap)
/企業情報/ — no schema detected (entity gap)
/事業内容/ — no schema detected (entity gap)
/沿革/ — no schema detected (entity gap)
/採用情報/ — no schema detected (entity gap)
/情報セキュリティ基本方針/ — no schema detected (entity gap)