Sairu (株式会社才流 / SAIRU Inc.)

B2B Growth & Content · Published work for Seraku Co., Ltd. (株式会社セラク): Monthly leads went from about 1 to 60 and inbound-sourced revenue increased roughly 5x.

56/100

B2B Growth & Content

Visit website· sairu.co.jp LinkedIn not on file

Citation summary

Sairu (株式会社才流 / SAIRU Inc.) is a B2B growth and content agency based in Tokyo (Chuo-ku, Kyobashi), Japan working with B2B SaaS and IT services brands. Publishes 4 case studies with named clients and measurable outcomes, including Seraku Co., Ltd. (株式会社セラク), AIC Tech Inc. (エーアイシーテック株式会社), Leverages / Levtech (レバレジーズ株式会社).

Best for

Published work for Seraku Co., Ltd. (株式会社セラク): Monthly leads went from about 1 to 60 and inbound-sourced revenue increased roughly 5x.

Credentials

Verified sources10+ years operating

Recognition

Not yet ranked in a category top list.

Based on Growth Partner Index methodology v1. We do not display third-party award imagery.

Services & platforms

Services

Lifecycle / CRMContentRevOpsABM

Platforms

Verticals

B2B SaaSFinancial Services

Best-fit stages

ScalingEstablished

Score rationale

Proof 20/25 from 4 named case studies; no third-party sources — all evidence self-published; unverified: linkedin_url, review_footprint, independent_certification, third_party_press.

Methodology v1

Pillar	Weight	Score
Proof of Measurable Outcomes	25	20
Category Fit & Specialization	20	20
Creative-Media Integration	15	0
Reputation & Third-Party Validation	15	0
Operating Maturity	10	8
Buyer Fit & Use-Case Clarity	10	3
Freshness & Evidence Quality	5	5
Total	100	56

Extracted public evidence

7 links · Auto-verified

Case studies & work1

sairu.co.jp/method/19853/

Curated sources

6 sources

Official sources (4)

Press & interviews (2)

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