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CrewbookPublished August 21, 2026AI translation
契約から請求までをひとつの流れにまとめる考え方
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"I switched contracts from paper to the cloud, but by the end of the month, charges are piling up based on the number of documents sent"——we sometimes hear this kind of concern from freelancers using electronic contract services. Do you have this kind of worry?
Many electronic contract services have a pricing structure of "monthly base fee + per-document usage charges." As the number of contracts increases, costs grow proportionally, making it difficult to forecast monthly expenses.
Another often-overlooked issue is the fragmentation that occurs after a contract is completed.
Each tool is well-designed and specialized in its own field, but you end up manually transcribing project names, client names, and amounts every time you switch between tools. While contracts are digitized, the overall workflow remains fragmented in many cases.
Crewbook is a business management SaaS for freelancers that connects "proposal → contract → invoice → payment confirmation" on the same project data.
From Free (¥0・up to 3 projects), you can use basic features including contracts, invoices, electronic signatures, and freee integration. If you want to review not just contracts but also the proposals and invoicing before and after them all together, try it once.
→ Try Pro free trial: https://crewbook.jp
「契約書を紙からクラウドに切り替えたのに、月末になると送信件数分の料金が積み上がっている」——電子契約サービスを使っているフリーランスから、こんな声を聞くことがあります。こんな悩み、ありませんか。
多くの電子契約サービスは「月額基本料＋送信1件ごとの従量課金」という料金構造です。契約数が増えるほどコストも比例して増え、月々の見通しを立てにくくなります。
もう一つ見落とされがちなのが、契約が終わったあとの分断です。
どのツールも専門分野に特化した良い設計ですが、案件名・クライアント名・金額をツールをまたぐたびに手で転記することになります。契約書は電子化されているのに、業務全体で見ると分断されたままというケースは少なくありません。
Crewbookは「提案→契約→請求→入金確認」を同じ案件データの上でつなげるフリーランス向け業務管理SaaSです。
Free（¥0・3案件まで）から契約書・請求書・電子サイン・freee連携を含む基本機能が使えます。契約だけでなく、その前後の提案や請求までまとめて見直したい方は、一度試してみてください。
→ Pro 無料トライアルを試す: https://crewbook.jp
