ITIN 申請準備サービス —IRS 認定代理人
世界中の国際クライアントから信頼されています。専門的なケアと保証された結果で ITIN 申請を処理し、プロセス全体を通じてパーソナライズされたサポートを提供します。
IRS が認定、実績で証明
私たちは IRS の公式リストに掲載された CAA であるだけでなく、多くのお客様の ITIN 承認通知を成功裏に取得した実績があります。
実績のある顧客成果
これらは、グローバルな顧客のために成功裏に取得した多くの公式 ITIN 承認通知 (CP565 フォーム) のほんの一部です。
ITIN への スムーズな道
IRS 認定受理代理人 (CAA) として、複雑なプロセス全体を管理します。お客様の手を煩わせません。
柔軟な料金設定お客様のニーズに合わせて
プランを選択してお支払い後、氏名・パスポート情報などの短い申請フォームにご記入ください。その後は私どもがすべて準備し、IRSへ申請いたします。
スタンダード ITIN
標準的な安全な処理で ITIN が必要な非居住者向け
- CAA パスポート確認（郵送不要）
- W-7 申請書類の完全な準備
- 5〜7 営業日以内に提出
- 隠れた費用なし
- 米国郵送先住所付き
プライオリティ ITIN
迅速な ITIN 取得と全面的なサポートを求める方向けの最速オールインクルーシブオプション
- スタンダードのすべてを含む
- 優先処理（5 営業日）
- 100% 返金保証
- 優先対応 & サポート
- ステップバイステップの更新
Testimonials
From Our Clients
Real experiences from non-residents who obtained their U.S. ITIN through ITINSERVICES.
Got my ITIN approved in 11 weeks through @itinservices. As a German freelancer, I was dreading the passport mailing process — but they handled everything remotely as a CAA. Zero stress, zero risk.
@sofia_mueller_deMarcus Tran
@marcustran_ca
Finally got my ITIN sorted after months of confusion. @itinservices walked me through the W-7 step by step and submitted everything on my behalf. 13 weeks later, approved.
Feb 18 2025Needed an ITIN to open a U.S. business bank account. @itinservices verified my passport remotely — no mailing required. Professional and smooth from start to finish.
@aishaokonkwoRyan Mitchell
@ryanmitchell_nz
Needed an ITIN as a New Zealand consultant working with U.S. clients. @itinservices made the entire process clear and painless. Got my ITIN in 11 weeks with zero back-and-forth.
Jan 05 2025Got my ITIN approved in 11 weeks through @itinservices. As a German freelancer, I was dreading the passport mailing process — but they handled everything remotely as a CAA. Zero stress, zero risk.
@sofia_mueller_deMarcus Tran
@marcustran_ca
Finally got my ITIN sorted after months of confusion. @itinservices walked me through the W-7 step by step and submitted everything on my behalf. 13 weeks later, approved.
Feb 18 2025Needed an ITIN to open a U.S. business bank account. @itinservices verified my passport remotely — no mailing required. Professional and smooth from start to finish.
@aishaokonkwoRyan Mitchell
@ryanmitchell_nz
Needed an ITIN as a New Zealand consultant working with U.S. clients. @itinservices made the entire process clear and painless. Got my ITIN in 11 weeks with zero back-and-forth.
Jan 05 2025Got my ITIN approved in 11 weeks through @itinservices. As a German freelancer, I was dreading the passport mailing process — but they handled everything remotely as a CAA. Zero stress, zero risk.
@sofia_mueller_deMarcus Tran
@marcustran_ca
Finally got my ITIN sorted after months of confusion. @itinservices walked me through the W-7 step by step and submitted everything on my behalf. 13 weeks later, approved.
Feb 18 2025Needed an ITIN to open a U.S. business bank account. @itinservices verified my passport remotely — no mailing required. Professional and smooth from start to finish.
@aishaokonkwoRyan Mitchell
@ryanmitchell_nz
Needed an ITIN as a New Zealand consultant working with U.S. clients. @itinservices made the entire process clear and painless. Got my ITIN in 11 weeks with zero back-and-forth.
Jan 05 2025Got my ITIN approved in 11 weeks through @itinservices. As a German freelancer, I was dreading the passport mailing process — but they handled everything remotely as a CAA. Zero stress, zero risk.
@sofia_mueller_deMarcus Tran
@marcustran_ca
Finally got my ITIN sorted after months of confusion. @itinservices walked me through the W-7 step by step and submitted everything on my behalf. 13 weeks later, approved.
Feb 18 2025Needed an ITIN to open a U.S. business bank account. @itinservices verified my passport remotely — no mailing required. Professional and smooth from start to finish.
@aishaokonkwoRyan Mitchell
@ryanmitchell_nz
Needed an ITIN as a New Zealand consultant working with U.S. clients. @itinservices made the entire process clear and painless. Got my ITIN in 11 weeks with zero back-and-forth.
Jan 05 2025Carlos Mendoza
@carlosmendoza_br
Investing in U.S. real estate as a Brazilian national is complex enough. @itinservices made the ITIN part effortless. Transparent pricing, no hidden fees, and they kept me updated throughout. Got my ITIN in 14 weeks.
Mar 12 2025Running an e-commerce business selling to U.S. customers meant I needed an ITIN for tax treaty benefits. @itinservices took care of everything. My ITIN arrived in 12 weeks with zero hassle.
@elenakowalski_plDaniel Park
@danielpark_kr
As a Korean developer contracting for U.S. tech companies, I needed an ITIN urgently. @itinservices handled my W-7 fast and kept communication clear throughout. Approved in 12 weeks. Very professional team.
Dec 20 2024Running a Shopify store with U.S. customers meant I needed an ITIN for tax obligations. @itinservices made it straightforward — W-7 prepared, passport verified remotely, done in 12 weeks.
@jwhitfield_auCarlos Mendoza
@carlosmendoza_br
Investing in U.S. real estate as a Brazilian national is complex enough. @itinservices made the ITIN part effortless. Transparent pricing, no hidden fees, and they kept me updated throughout. Got my ITIN in 14 weeks.
Mar 12 2025Running an e-commerce business selling to U.S. customers meant I needed an ITIN for tax treaty benefits. @itinservices took care of everything. My ITIN arrived in 12 weeks with zero hassle.
@elenakowalski_plDaniel Park
@danielpark_kr
As a Korean developer contracting for U.S. tech companies, I needed an ITIN urgently. @itinservices handled my W-7 fast and kept communication clear throughout. Approved in 12 weeks. Very professional team.
Dec 20 2024Running a Shopify store with U.S. customers meant I needed an ITIN for tax obligations. @itinservices made it straightforward — W-7 prepared, passport verified remotely, done in 12 weeks.
@jwhitfield_auCarlos Mendoza
@carlosmendoza_br
Investing in U.S. real estate as a Brazilian national is complex enough. @itinservices made the ITIN part effortless. Transparent pricing, no hidden fees, and they kept me updated throughout. Got my ITIN in 14 weeks.
Mar 12 2025Running an e-commerce business selling to U.S. customers meant I needed an ITIN for tax treaty benefits. @itinservices took care of everything. My ITIN arrived in 12 weeks with zero hassle.
@elenakowalski_plDaniel Park
@danielpark_kr
As a Korean developer contracting for U.S. tech companies, I needed an ITIN urgently. @itinservices handled my W-7 fast and kept communication clear throughout. Approved in 12 weeks. Very professional team.
Dec 20 2024Running a Shopify store with U.S. customers meant I needed an ITIN for tax obligations. @itinservices made it straightforward — W-7 prepared, passport verified remotely, done in 12 weeks.
@jwhitfield_auCarlos Mendoza
@carlosmendoza_br
Investing in U.S. real estate as a Brazilian national is complex enough. @itinservices made the ITIN part effortless. Transparent pricing, no hidden fees, and they kept me updated throughout. Got my ITIN in 14 weeks.
Mar 12 2025Running an e-commerce business selling to U.S. customers meant I needed an ITIN for tax treaty benefits. @itinservices took care of everything. My ITIN arrived in 12 weeks with zero hassle.
@elenakowalski_plDaniel Park
@danielpark_kr
As a Korean developer contracting for U.S. tech companies, I needed an ITIN urgently. @itinservices handled my W-7 fast and kept communication clear throughout. Approved in 12 weeks. Very professional team.
Dec 20 2024Running a Shopify store with U.S. customers meant I needed an ITIN for tax obligations. @itinservices made it straightforward — W-7 prepared, passport verified remotely, done in 12 weeks.
@jwhitfield_auI sell digital products on U.S. platforms and needed an ITIN to handle withholding taxes. @itinservices was efficient, clear, and reliable. Approved in 11 weeks. Would absolutely recommend.
@liamchen_sgElena Kowalski
@elenakowalski_pl
Professional, fast, and reliable. @itinservices handled my full application and kept me informed every step of the way. My ITIN arrived in 12 weeks with zero hassle. 10/10.
Nov 30 2024@itinservices made the ITIN process effortless. No hidden fees, clear communication, and my application was submitted within days. Got approved in 14 weeks. Highly recommend to any non-resident investor.
@carlosmendoza_brSofia Müller
@sofia_mueller_de
As a German freelancer invoicing U.S. clients, getting an ITIN felt overwhelming at first. @itinservices made it completely stress-free. CAA verification done remotely, ITIN approved in 11 weeks.
Jan 22 2025I sell digital products on U.S. platforms and needed an ITIN to handle withholding taxes. @itinservices was efficient, clear, and reliable. Approved in 11 weeks. Would absolutely recommend.
@liamchen_sgElena Kowalski
@elenakowalski_pl
Professional, fast, and reliable. @itinservices handled my full application and kept me informed every step of the way. My ITIN arrived in 12 weeks with zero hassle. 10/10.
Nov 30 2024@itinservices made the ITIN process effortless. No hidden fees, clear communication, and my application was submitted within days. Got approved in 14 weeks. Highly recommend to any non-resident investor.
@carlosmendoza_brSofia Müller
@sofia_mueller_de
As a German freelancer invoicing U.S. clients, getting an ITIN felt overwhelming at first. @itinservices made it completely stress-free. CAA verification done remotely, ITIN approved in 11 weeks.
Jan 22 2025I sell digital products on U.S. platforms and needed an ITIN to handle withholding taxes. @itinservices was efficient, clear, and reliable. Approved in 11 weeks. Would absolutely recommend.
@liamchen_sgElena Kowalski
@elenakowalski_pl
Professional, fast, and reliable. @itinservices handled my full application and kept me informed every step of the way. My ITIN arrived in 12 weeks with zero hassle. 10/10.
Nov 30 2024@itinservices made the ITIN process effortless. No hidden fees, clear communication, and my application was submitted within days. Got approved in 14 weeks. Highly recommend to any non-resident investor.
@carlosmendoza_brSofia Müller
@sofia_mueller_de
As a German freelancer invoicing U.S. clients, getting an ITIN felt overwhelming at first. @itinservices made it completely stress-free. CAA verification done remotely, ITIN approved in 11 weeks.
Jan 22 2025I sell digital products on U.S. platforms and needed an ITIN to handle withholding taxes. @itinservices was efficient, clear, and reliable. Approved in 11 weeks. Would absolutely recommend.
@liamchen_sgElena Kowalski
@elenakowalski_pl
Professional, fast, and reliable. @itinservices handled my full application and kept me informed every step of the way. My ITIN arrived in 12 weeks with zero hassle. 10/10.
Nov 30 2024@itinservices made the ITIN process effortless. No hidden fees, clear communication, and my application was submitted within days. Got approved in 14 weeks. Highly recommend to any non-resident investor.
@carlosmendoza_brSofia Müller
@sofia_mueller_de
As a German freelancer invoicing U.S. clients, getting an ITIN felt overwhelming at first. @itinservices made it completely stress-free. CAA verification done remotely, ITIN approved in 11 weeks.
Jan 22 2025米国ビジネスの 可能性を解放する
ITIN は単なる税番号ではありません。非居住者が米国で合法的に運営、バンキング、成長するための必須ツールです。
米国税務義務の履行
米国の税金を正確に申告し、IRS 要件に完全に準拠します — 米国でビジネスを行う非居住者には必須です。
税条約特典の申請
あなたの国と米国の国際租税条約に基づき、特定の米国収入に対する税率引き下げまたは全額免除を受けることができます。
米国銀行口座の開設
ITIN は米国の銀行口座を開設し、PayPal と Stripe を有効化し、グローバルに送受金するための鍵です。
決済サービスへの申請
ITIN を使用して、Stripe、PayPal、その他の非居住者ビジネス活動をサポートする決済サービスへのオンボーディングを完了します。
米国クレジットカードの申請
米国の信用履歴を構築し、プレミアムクレジットカードにアクセスし、便利な購買力と貴重な報酬プログラムをお楽しみください。
高額な IRS ペナルティの回避
毎回期限を守って申告。ITIN は重大な IRS ペナルティ、利息、コンプライアンス上の問題からあなたを守ります。
世界中の非居住者から信頼されています
フリーランサーから投資家まで、私たちのクライアントは迅速かつ安全に ITIN を承認され、パスポートを郵送する必要がありません。
クライアントストーリーを読む
“ITINSERVICES made the entire process straightforward. Within weeks, I had my ITIN approved and could invoice U.S. companies without any issues.”
“The team at ITINSERVICES was incredibly helpful and professional. My application was processed quickly.”
“ITINSERVICES guided me through every step, handled all the paperwork, and I received my ITIN faster than I expected.”
“ITINSERVICES was recommended to me, and they exceeded my expectations. The process was smooth and communication was clear throughout.”
“They handled everything efficiently, including verifying my passport without having to mail it.”
“ITINSERVICES provided exceptional service — they were responsive, knowledgeable, and got my ITIN approved without any hassle.”
“ITINSERVICES simplified everything and kept me informed at every stage. I highly recommend them to anyone needing an ITIN.”
“They verified my French passport without me having to mail it. My ITIN arrived in the exact timeframe they promised.”
よくある質問
ITIN プロセスについて知っておくべきすべてのこと。初めての方には、このガイドが役立ちます。