导读：如何专业地结束一段合作关系？
在商务合作中，因战略调整、项目结束或资源变化等原因，终止合作在所难免。然而，如何以得体、尊重的方式传达这一决定，是职场沟通的重要一课。一封措辞得当的英文终止合作邮件，不仅能维护双方关系，还能展现你的专业素养。
本文精选8个实用英文邮件模板，涵盖不同情境（如项目结束、合同到期、战略调整等），每封邮件均附中文翻译、点评与重点词汇/句式标注，帮助你在真实场景中灵活运用，提升商务英语写作能力。
模板一：项目顺利完成后的合作终止
📤Subject: Conclusion of Our Collaboration on the [Project Name] Project
Dear [Recipient's Name],
I hope this message finds you well. I would like to extend our sincere appreciation for your collaboration on the [Project Name] project. Thanks to your team’s dedication and expertise, we successfully achieved all our objectives within the agreed timeline.
As the project has now been completed, we will be concluding our formal cooperation. We truly value the partnership and the positive outcomes we’ve achieved together.
Should future opportunities arise, we would be delighted to work with you again. Thank you once again for your support and professionalism.
Best regards,
[Your Name]
📤主题：关于[项目名称]项目的合作结束通知
亲爱的[收件人姓名]：
希望您一切安好。我们衷心感谢您在[项目名称]项目中的合作。得益于贵团队的投入与专业，我们已如期圆满完成所有目标。
目前项目已顺利结束，我们将正式终止合作关系。我们非常珍视此次合作以及共同取得的成果。
若未来有机会，我们非常乐意再次合作。再次感谢您的支持与专业精神。
此致
[你的名字]
✍️点评与重点：
适用于项目圆满结束后的友好收尾。关键词：“extend our sincere appreciation”（表达诚挚感谢）和“concluding our formal cooperation”（正式终止合作）语气专业且不失温度。结尾表达未来合作意愿，有助于关系维护。
模板二：因战略调整终止合作
📤Subject: Notification of Partnership Termination Due to Strategic Realignment
Dear [Recipient's Name],
After careful consideration, we have decided to restructure our business strategy, which includes a reassessment of current partnerships. As a result, we regret to inform you that we will be discontinuing our collaboration with your organization effective [Date].
We sincerely appreciate the trust and effort you have invested in our partnership. This decision was not made lightly, and we remain grateful for the value we’ve created together.
We will ensure a smooth transition and are available to discuss any necessary handover procedures.
Warm regards,
[Your Name]
📤主题：因战略调整通知终止合作关系
亲爱的[收件人姓名]：
经过慎重考虑，我们决定调整业务战略，其中包括对现有合作关系的重新评估。因此，我们遗憾地通知您，自[日期]起，我们将终止与贵方的合作。
我们衷心感谢您在合作中投入的信任与努力。此决定并非轻率做出，我们依然感激共同创造的价值。
我们将确保平稳过渡，并愿意就必要的交接事宜进行沟通。
此致
[你的名字]
✍️点评与重点：
关键词：“strategic realignment”（战略调整）和“discontinuing our collaboration”（终止合作）表达客观原因，避免情绪化。使用“regret to inform”体现尊重与遗憾，是正式通知中的常用表达。
模板三：合同到期不再续约
📤Subject: Non-Renewal of Contract – [Contract Name]
Dear [Recipient's Name],
This email is to formally notify you that we will not be renewing our contract, [Contract Name], which expires on [Expiry Date].
We appreciate the professional service and support your team has provided throughout the contract period. The collaboration has been valuable, and we have learned a great deal from working with you.
We will fulfill all remaining obligations under the current agreement and are happy to assist with any transition needs.
Thank you again for your partnership. We wish you continued success in your future endeavors.
Sincerely,
[Your Name]
📤主题：关于[合同名称]合同不再续约的通知
亲爱的[收件人姓名]：
此邮件旨在正式通知您，我们决定不再续签将于[到期日]到期的[合同名称]。
感谢贵团队在合同期内提供的专业服务与支持。此次合作富有价值，我们从与您的共事中获益良多。
我们将履行当前协议下的所有剩余义务，并乐意协助任何过渡需求。
再次感谢您的合作。祝贵方未来事业蒸蒸日上。
此致
[你的名字]
✍️点评与重点：
适用于合同自然到期、不再续约的情况。关键词：“non-renewal of contract”是标准表达；“fulfill all remaining obligations”强调责任履行，体现诚信。结尾祝福语提升整体好感度。
模板四：因预算削减终止合作
📤Subject: Partnership Termination Due to Budget Constraints
Dear [Recipient's Name],
Due to recent budget reductions within our organization, we are required to reevaluate all external partnerships. After thorough review, we have made the difficult decision to discontinue our collaboration with your team effective [Date].
We truly value the quality of work and responsiveness you have consistently demonstrated. This decision is strictly financial and does not reflect on the performance or value of your services.
We will work with you to ensure a professional and orderly transition.
Best regards,
[Your Name]
📤主题：因预算限制终止合作关系
亲爱的[收件人姓名]：
由于我方近期预算削减，需重新评估所有外部合作关系。经全面审查，我们艰难地决定自[日期]起终止与贵团队的合作。
我们非常认可您团队一贯展现的工作质量与响应速度。此决定纯属财务原因，绝非对您服务表现或价值的否定。
我们将与您协作，确保专业且有序的过渡。
此致
[你的名字]
✍️点评与重点：
关键词：“budget constraints”（预算限制）和“difficult decision”（艰难决定）有助于缓和语气。强调“does not reflect on performance”可避免对方误解，维护关系。
模板五：供应商合作关系终止
📤Subject: Discontinuation of Vendor Relationship
Dear [Recipient's Name],
After a comprehensive evaluation of our vendor portfolio, we have decided to streamline our supplier base. As part of this initiative, we will no longer be procuring services from your company after [Date].
We appreciate the reliability and quality you have consistently delivered. Your team has been a valued partner, and we thank you for your support over the years.
We will settle all outstanding invoices promptly and are available to discuss any final requirements.
Respectfully,
[Your Name]
📤主题：终止供应商合作关系
亲爱的[收件人姓名]：
在全面评估我方供应商组合后，我们决定精简供应商体系。作为该计划的一部分，自[日期]起，我们将不再向贵公司采购服务。
感谢贵方一贯提供的可靠服务与高质量交付。贵团队是我们重视的合作伙伴，感谢多年来给予的支持。
我们将及时结清所有未付发票，并可就最终需求进行沟通。
此致
[你的名字]
✍️点评与重点：
关键词：“vendor portfolio”（供应商组合）和“streamline our supplier base”（精简供应商体系）体现决策的专业性。“valued partner”表达尊重，有助于保持良好行业口碑。
模板六：合作关系因表现未达预期而终止
📤Subject: Termination of Collaboration – Performance Review
Dear [Recipient's Name],
Following a recent performance review of our ongoing projects, we have decided to terminate our collaboration with your organization, effective immediately.
While we acknowledge the efforts made, the results have not met the agreed-upon benchmarks. We believe this step is necessary to align with our operational goals.
We will follow the termination clauses outlined in our agreement and ensure all formalities are completed promptly.
We appreciate your understanding and professionalism during this transition.
Sincerely,
[Your Name]
📤主题：终止合作——基于绩效评估
亲爱的[收件人姓名]：
在对当前项目进行绩效评估后，我们决定立即终止与贵方的合作关系。
我们认可贵方的努力，但成果未达到约定标准。我们认为此举有助于实现我方运营目标。
我们将依据协议中的终止条款，及时完成所有手续。
感谢您在此过渡期间的理解与专业态度。
此致
[你的名字]
✍️点评与重点：
此模板用于绩效不佳情况，语气需坚定但不失礼节。关键词：“agreed-upon benchmarks”（约定标准）提供客观依据；“follow the termination clauses”强调合规性，避免争议。
模板七：友好协商后共同决定终止
📤Subject: Mutual Agreement to Conclude Our Partnership
Dear [Recipient's Name],
Following our recent discussion, we would like to confirm that both parties have mutually agreed to conclude our partnership as of [Date].
We appreciate the open and constructive dialogue throughout this process. It has been a pleasure working with your team, and we are proud of what we’ve accomplished together.
We will coordinate the final deliverables and ensure a seamless transition.
Thank you for your collaboration and understanding. We wish you all the best moving forward.
Best regards,
[Your Name]
📤主题：双方共同决定终止合作关系
亲爱的[收件人姓名]：
根据我们近期的沟通，现确认双方已达成一致，将于[日期]正式结束合作关系。
感谢整个过程中坦诚而富有建设性的交流。与贵团队合作令人愉快，我们为共同取得的成果感到自豪。
我们将协调最终交付事项，确保平稳过渡。
感谢您的合作与理解。祝您未来一切顺利。
此致
[你的名字]
✍️点评与重点：
关键词：“mutually agreed”（共同同意）体现合作性质；“open and constructive dialogue”（坦诚建设性对话）突出沟通质量。适用于双方协商一致的和平分手。
模板八：因公司重组终止合作
📤Subject: Partnership Termination Due to Organizational Restructuring
Dear [Recipient's Name],
Due to internal organizational restructuring, certain departments and external collaborations are being reevaluated. As a result, we regret to inform you that our partnership will be discontinued effective [Date].
We sincerely thank you for your contributions and the strong working relationship we’ve built. Your support has been instrumental in our progress.
We will provide a detailed transition plan and remain available for any questions or support during this period.
With appreciation,
[Your Name]
📤主题：因公司重组终止合作关系
亲爱的[收件人姓名]：
由于公司内部重组，部分部门及外部合作正在重新评估。因此，我们遗憾地通知您，我们的合作关系将于[日期]起终止。
我们衷心感谢您的贡献以及建立的良好工作关系。您的支持对我们的发展至关重要。
我们将提供详细的过渡计划，并在此期间随时解答疑问或提供协助。
此致谢意
[你的名字]
✍️点评与重点：
关键词：“organizational restructuring”（公司重组）为中性理由，避免归责。“instrumental in our progress”（对进展至关重要）高度肯定对方价值，有助于维持良好印象。
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