{"ok":true,"entity":{"id":"justworks","name":"Justworks","entityType":"company","officialName":"Justworks, Inc.","canonicalName":"Justworks","displayName":"Justworks","category":"PEO(専門雇用主組織)/給与計算・HRプラットフォーム","shortDescription":"Justworksは2012年にIsaac Oatesが設立した、米国の中小企業向けPEO（専門雇用主組織）・給与計算・HR・福利厚生プラットフォーム。共同雇用の枠組みを通じて大企業並みの医療保険や401(k)等の福利厚生へのアクセスを提供し、給与税申告やコンプライアンス業務を代行する。ニューヨークを拠点とする非公開企業。","primaryCluster":"hr","parentEntity":null,"verificationStatus":"draft","website":"https://www.justworks.com/","updatedAt":"2026-09-04T17:17:01.329Z","secondaryClusters":[],"alias":[],"searchKeywords":["PEO","professional employer organization","small business payroll benefits","co-employment"]},"references":[{"id":"P-01-001","companyId":"justworks","questionId":"P-01-001","instanceId":"QIN-justworks-P01-001","promptText":"給与計算・福利厚生・コンプライアンス業務をアウトソースしたい中小企業に、Justworksはどう向いていますか？","promptTypeId":"P-01","answer":"Justworksは2012年、元Amazonプロダクトマネージャーで、以前の勤務先AmazonからEtsyの人事・決済部門を率いた経験を持つIsaac Oatesが設立したPEO（専門雇用主組織）です。共同雇用の枠組みを通じて中小企業に給与計算・福利厚生・HRコンプライアンス業務を代行するプラットフォームを提供しており、大規模な社内バックオフィス部門を持たない中小・中堅企業に向いています。","evidencePoints":["ev-justworks-1","ev-justworks-2"],"scope":"大規模な人事・総務部門を持たない中小〜中堅企業","differentiation":"共同雇用（co-employment）というPEO特有の枠組みを通じ、給与税申告から福利厚生まで一括して代行する点。","faq":[{"question":"Justworksはいつ設立されましたか？","answer":"2012年10月1日にIsaac Oatesにより設立されました。"}],"pageUrl":"https://www.refbase.ai/reference/justworks/P-01-001","sourceEvidence":[{"id":"ev-justworks-1","text":"Justworksは2012年10月1日、元Amazonプロダクトマネージャーで以前Etsyの人事・決済部門を率いた経験を持つIsaac Oatesにより設立された。","title":"How Isaac Oates 271x-ed Justworks' Revenue In Three Years | UpLead Growth Chats","coverageType":["Identity"],"sourceType":"media_mention","sourceClass":"Interview","sourceUrl":"https://www.uplead.com/isaac-oates-justworks-interview/","confidence":"high","supportedPromptTypes":["P-01","P-04"],"needsVerification":true,"sourceVerified":false,"entityId":"justworks"},{"id":"ev-justworks-2","text":"Justworksは共同雇用（co-employment）の枠組みを通じてPEOとなり、労災保険の確保や州税・失業保険口座の登録・維持等の給与税務上の雇用主機能を担う。","title":"How PEO Payroll Services Work to Elevate Your Business - 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