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Crewbook — お問い合わせから会計まで、ワンリンクで完結
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For freelancers creating an estimate for the first time, I've organized in an easy-to-understand way the types of items you should include, how to write "what's not included," how to compare with documents that arrive after an order is placed, and how to think about saving estimates sent via email, with links to official information.
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Crewbook — お問い合わせから会計まで、ワンリンクで完結
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"I was asked to submit a quote for my first project, but I don't know what to write." "If I just send the amount, I'm worried they'll say later, 'I thought this was included too.'"—When creating a quote for the first time, the points of confusion are surprisingly common.
In practice, a quote functions as a proposal that says "I will perform work of this scope, under these conditions, for this amount." With just an amount, misunderstandings like the following tend to occur:
The format of a quote varies by business. That said, using common items found in most quotes as a foundation can reduce omissions.
A quote where it's unclear whether tax is included or excluded tends to be a source of discrepancies in price recognition. If you're unsure about tax treatment, please confirm with a specialist such as a tax accountant.
If you're unsure, write in the remarks section the number of revisions (e.g., "Up to 2 revisions after initial submission are included"), requests outside the scope ("separate quote"), material preparation, and how out-of-pocket expenses are handled. This allows the client and contractor to start work on the same premise.
Under the Freelance Act, ordering businesses that commission work to freelancers are required to clearly indicate transaction terms in writing or by electronic means (such as email) at the time of commissioning. Verbal communication alone is not acceptable. The specified matters include the content of the work, delivery date, amount of compensation, and payment date (which can be confirmed on the Fair Trade Commission's special website https://www.jftc.go.jp/freelancelaw_2026/).
A quote is a proposal from the contractor before ordering, while the indication of transaction terms is what the ordering business shows when commissioning—these are different situations. Developing a habit of comparing written documents or emails received after ordering with the scope, amount, delivery date, and payment terms in the quote can reduce confirmation oversights.
Quotes sent as PDFs via email are also listed as examples of transaction information in electronic transactions in the National Tax Agency's guidance on the Electronic Bookkeeping Preservation Act, and individual business operators are subject to preservation requirements. Details on preservation methods and requirements are provided in the National Tax Agency's guidance (https://www.nta.go.jp/law/joho-zeikaishaku/sonota/jirei/07denshi/01.htm)で最新の内容をご確認ください。
With Crewbook, you can create quotes, proposals, contracts, delivery notes, and invoices for each project. Creating these documents is available from the Free plan (¥0, up to 3 projects).
The full text summarizing the types of items and the relationship with the Freelance Act and Electronic Bookkeeping Preservation Act, with links to official information, is available here.
→ Full explanation article: https://crewbook.jp/blog/first-freelance-estimate
→ Try Crewbook: https://crewbook.jp/?utm_source=tsukutta&utm_medium=article
※This article is information provided by Crewbook. It includes introduction of our own service.
This article is general information provision, and for individual judgments regarding taxes and legal matters, please confirm with specialists such as tax accountants, lawyers, or administrative scriveners. The content of the system is as of the time of creation.
「初めての案件で見積書を出してほしいと言われたけれど、何を書けばいいのか分からない」「金額だけ書いて送ったら、後から『これも含まれていると思っていた』と言われそうで不安」——。初めて見積書を作るとき、迷う点は意外と共通しています。
実務では、見積書は「この範囲の仕事を、この条件で、この金額で行います」という提案として働きます。金額だけだと、次のようなすれ違いが起きやすくなります。
見積書の書式は事業者ごとに異なります。そのうえで、多くの見積書に共通する項目を土台にすると書き漏れを減らせます。
税込か税抜かが読み取れない見積書は、金額の認識がずれる原因になりがちです。消費税の扱いに迷うときは、税理士などの専門家にご確認ください。
迷ったら備考欄に、修正の回数(例:「初回提出後の修正は2回まで含みます」)、範囲外の追加依頼(「別途お見積り」)、素材の用意、実費の扱いを書いておくと、発注者と受注者が同じ前提で仕事を始められます。
フリーランス法では、フリーランスに業務を委託する発注事業者は、委託したときに、取引条件を書面または電磁的方法(メールなど)で明示することが求められています。口頭だけでは認められません。明示事項には、業務の内容、納期、報酬の額と支払期日などが含まれます(公正取引委員会の特設サイト https://www.jftc.go.jp/freelancelaw_2026/ で確認できます)。
見積書は発注前の受注者からの提案、取引条件の明示は委託したときに発注者が示すもの、と場面が違います。発注後に届く書面やメールが、見積書の範囲・金額・納期・支払条件と食い違っていないか、見比べる習慣をつけておくと確認漏れを減らせます。
PDFにしてメールで送る見積書も、国税庁の電子帳簿保存法の案内では電子取引の取引情報の例に挙がっており、個人事業者も保存の対象です。保存の方法や要件の細部は、国税庁の案内(https://www.nta.go.jp/law/joho-zeikaishaku/sonota/jirei/07denshi/01.htm)で最新の内容をご確認ください。
Crewbookでは、案件ごとに見積書・提案書、契約書、納品書、請求書を作成できます。これらの書類作成はFreeプラン(¥0・3案件まで)から使えます。
項目の型や、フリーランス法・電子帳簿保存法との関係を、公式情報へのリンク付きでまとめた全文はこちらです。
→ 解説記事の全文: https://crewbook.jp/blog/first-freelance-estimate
→ Crewbook を試す: https://crewbook.jp/?utm_source=tsukutta&utm_medium=article
※本記事はCrewbookが提供する情報です。自社サービスの紹介を含みます。
本記事は一般的な情報提供であり、税務・法務に関する個別の判断は、税理士・弁護士・行政書士などの専門家にご確認ください。制度の内容は作成時点のものです。