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    16+ Internship Letter Start-up Internship Guide

    10 Mins Read

    Table of Contents

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    • Introduction to Start-up Internship Letters
    • 1. Internship Offer Letter
    • 2. Internship Application Letter
    • 3. Internship Confirmation Letter
    • 4. Internship Rejection Letter
    • 5. Internship Reference Letter
    • 6. Internship Thank You Letter
    • 7. Internship Extension Letter
    • 8. Internship Termination Letter
    • 9. Internship Acceptance Letter
    • 10. Internship Recommendation Letter
    • 11. Internship Completion Letter
    • 12. Internship Offer Acceptance Letter
    • 13. Internship Rejection Letter Due to Visa Issues
    • 14. Internship Reference Request Letter
    • 15. Internship Program Cancellation Letter
    • 16. Internship Follow-Up Letter
    • Conclusion

    Introduction to Start-up Internship Letters

    Internship letters are essential for both students and start-ups. They provide a formal agreement that outlines the terms of the internship, ensuring clarity and mutual understanding. For start-ups, these letters are particularly important as they help establish professional relationships and set clear expectations. In this guide, we will explore 16 different internship letter examples tailored for start-ups, covering various scenarios and situations.

    1. Internship Offer Letter

    TechStart Solutions
    123 Innovation Street
    Silicon Valley, CA 95001

    October 15, 2023

    John Doe
    456 Student Lane
    College Town, NY 12345

    Dear Mr. Doe,

    We are pleased to offer you the position of Marketing Intern at TechStart Solutions. Your internship will begin on November 1, 2023, and last for 6 months. You will be working closely with our marketing team to develop innovative campaigns.

    Please confirm your acceptance by signing and returning the enclosed copy of this letter by October 25, 2023.

    Sincerely,
    Sarah Johnson
    HR Manager

    2. Internship Application Letter

    Jane Smith
    789 Campus Drive
    University City, TX 78901

    September 20, 2023

    GreenTech Innovations
    321 Eco Street
    Austin, TX 78701

    Dear Hiring Manager,

    I am writing to express my interest in the Software Development Intern position at GreenTech Innovations. With a strong background in computer science and a passion for sustainable technology, I am eager to contribute to your team.

    I have attached my resume for your review. I look forward to the opportunity to discuss how I can contribute to your innovative projects.

    Sincerely,
    Jane Smith

    3. Internship Confirmation Letter

    NextGen Solutions
    456 Future Road
    Boston, MA 02101

    November 10, 2023

    Michael Brown
    987 Student Avenue
    Cambridge, MA 02138

    Dear Mr. Brown,

    We are delighted to confirm your internship with NextGen Solutions as a Data Analysis Intern. Your internship will commence on January 2, 2024, and will last for 4 months.

    Please find attached the detailed terms of your internship. We look forward to welcoming you to our team.

    Best regards,
    Emily Davis
    Internship Coordinator

    4. Internship Rejection Letter

    Innovation Hub
    654 Creative Street
    Chicago, IL 60601

    October 28, 2023

    Laura Wilson
    321 Student Lane
    Evanston, IL 60201

    Dear Ms. Wilson,

    Thank you for your application to the Product Management Intern position at Innovation Hub. We appreciate the time you took to apply and share your qualifications with us.

    After careful consideration, we regret to inform you that we will not be moving forward with your application at this time. Please know that this decision is not a reflection on your abilities, but rather due to the highly competitive nature of our program.

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    We wish you the best of luck in your future endeavors and hope you will consider applying again in the future.

    Sincerely,
    David Lee
    Hiring Manager

    5. Internship Reference Letter

    StartUp Mentor
    987 Guidance Street
    New York, NY 10001

    November 5, 2023

    Emily Chen
    654 Student Road
    Brooklyn, NY 11201

    Dear Ms. Chen,

    It is with great enthusiasm that I write this letter of recommendation for Alex Johnson, who recently completed an internship with our company. Alex served as a Marketing Intern and demonstrated exceptional skills in digital marketing and social media management.

    During his internship, Alex consistently showed initiative and a strong work ethic. His contributions to our marketing campaigns were invaluable, and he quickly became an integral part of our team.

    I am confident that Alex will excel in any future endeavors and would be a valuable asset to any organization.

    Sincerely,
    Sarah Thompson
    Internship Supervisor

    6. Internship Thank You Letter

    David Martinez
    321 Student Street
    Los Angeles, CA 90001

    December 1, 2023

    TechStart Solutions
    456 Innovation Road
    Los Angeles, CA 90002

    Dear Team,

    I wanted to take a moment to express my sincere gratitude for the opportunity to intern with TechStart Solutions as a Software Development Intern. This experience has been invaluable to my professional and personal growth.

    I greatly appreciate the guidance and support I received from the team. The hands-on experience and the opportunity to work on real projects have significantly enhanced my skills in web development and problem-solving.

    Thank you again for this incredible opportunity. I am confident that the knowledge and experience I gained will serve me well in my future career.

    Sincerely,
    David Martinez

    7. Internship Extension Letter

    FutureTech Inc.
    789 Progress Street
    San Francisco, CA 94101

    January 15, 2024

    Emma Taylor
    654 Student Avenue
    San Francisco, CA 94102

    Dear Ms. Taylor,

    We hope this message finds you well. We are writing to inform you that we would like to extend your internship with FutureTech Inc. as a Product Design Intern for an additional 3 months.

    Your contributions to our product design team have been exceptional, and we believe that extending your internship will be mutually beneficial. The new end date for your internship will be April 30, 2024.

    Please confirm your availability by signing and returning the attached agreement by January 25, 2024.

    Best regards,
    Michael Green
    Internship Program Manager

    8. Internship Termination Letter

    Innovation Labs
    321 Research Street
    Seattle, WA 98101

    February 10, 2024

    Olivia Bennett
    987 Student Road
    Seattle, WA 98102

    Dear Ms. Bennett,

    We regret to inform you that we will be terminating your internship with Innovation Labs, effective February 28, 2024. This decision was not made lightly and is due to unforeseen business circumstances that require us to reduce our internship program.

    We appreciate the contributions you have made during your time with us and are grateful for your hard work. We will provide you with a positive reference for any future opportunities.

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    If you have any questions, please do not hesitate to reach out.

    Sincerely,
    James Wilson
    Internship Coordinator

    9. Internship Acceptance Letter

    Sophia Rodriguez
    456 Student Lane
    Miami, FL 33101

    March 5, 2024

    GreenTech Solutions
    789 Eco Street
    Miami, FL 33102

    Dear Hiring Manager,

    I am writing to formally accept the offer to join GreenTech Solutions as a Sustainability Intern. I am thrilled about the opportunity to contribute to your team and gain valuable experience in the field of sustainable technology.

    As discussed, I will begin my internship on April 1, 2024, and will commit to working 20 hours per week for a duration of 6 months. I have attached the signed copy of the internship agreement for your records.

    Thank you for this opportunity. I look forward to working with the team.

    Sincerely,
    Sophia Rodriguez

    10. Internship Recommendation Letter

    StartUp Academy
    654 Learning Street
    Denver, CO 80201

    April 12, 2024

    Alexandra White
    987 Student Drive
    Denver, CO 80202

    Dear Ms. White,

    It is with great pleasure that I write this letter of recommendation for Samuel Johnson, who recently completed an internship with StartUp Academy as a Business Development Intern. Samuel demonstrated exceptional skills in market research and business strategy during his time with us.

    Samuel’s ability to analyze market trends and develop actionable insights was impressive. He played a key role in helping us identify new business opportunities and was a valuable asset to our team.

    I am confident that Samuel will excel in any future endeavors and would be a great addition to any organization.

    Sincerely,
    Robert Brown
    Internship Supervisor

    11. Internship Completion Letter

    TechInnovators Inc.
    321 Innovation Road
    Austin, TX 78701

    May 15, 2024

    Emily Davis
    654 Student Street
    Austin, TX 78702

    Dear Ms. Davis,

    We are pleased to confirm that you have successfully completed your internship with TechInnovators Inc. as a Product Design Intern. Your dedication and contributions to our product design team have been outstanding.

    We appreciate the hard work and creativity you brought to our team. Your efforts have made a significant impact on our current projects, and we are grateful for your involvement.

    We wish you the best of luck in your future endeavors and hope that the experience you gained with us will be beneficial to your career.

    Sincerely,
    Sarah Johnson
    Internship Program Manager

    12. Internship Offer Acceptance Letter

    Michael Johnson
    789 Student Avenue
    Chicago, IL 60601

    June 1, 2024

    Innovation Hub
    456 Creative Street
    Chicago, IL 60602

    Dear Hiring Manager,

    I am writing to formally accept the offer to join Innovation Hub as a Software Engineering Intern. I am excited about the opportunity to work with your team and contribute to the development of innovative software solutions.

    As agreed, I will begin my internship on June 15, 2024, and will work for 24 weeks. I have attached the signed internship agreement for your records.

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    Thank you for this opportunity. I look forward to being part of your team and gaining valuable experience in the field of software engineering.

    Sincerely,
    Michael Johnson

    13. Internship Rejection Letter Due to Visa Issues

    GlobalStart Solutions
    321 Global Street
    New York, NY 10001

    July 10, 2024

    Linda Green
    654 Student Road
    New York, NY 10002

    Dear Ms. Green,

    Thank you for your application to the International Business Intern position at GlobalStart Solutions. We were impressed by your qualifications and enthusiasm for the role.

    Unfortunately, we regret to inform you that we will not be able to move forward with your application at this time. Due to recent changes in our visa sponsorship policy, we are unable to offer internships to international students at this time.

    We appreciate your interest in joining our team and hope that you will consider applying again in the future if circumstances change.

    Sincerely,
    David Smith
    Hiring Manager

    14. Internship Reference Request Letter

    Emily Wilson
    987 Student Lane
    Boston, MA 02101

    August 5, 2024

    NextGen Solutions
    456 Future Street
    Boston, MA 02102

    Dear Team,

    I hope this message finds you well. I am writing to request a letter of recommendation based on my internship experience as a Data Analysis Intern at NextGen Solutions.

    I am currently applying for a graduate program and would greatly appreciate it if you could provide a letter highlighting my contributions and skills during my time with your team.

    Please let me know if you need any additional information from me to make the process smoother.

    Thank you in advance for your support.

    Best regards,
    Emily Wilson

    15. Internship Program Cancellation Letter

    StartUp Academy
    789 Learning Street
    Denver, CO 80201

    September 20, 2024

    Alexandra White
    654 Student Drive
    Denver, CO 80202

    Dear Ms. White,

    We regret to inform you that we will be canceling our internship program for the upcoming semester. This decision was made due to unforeseen organizational changes that require us to focus on internal restructuring.

    We understand that this news may be disappointing and apologize for any inconvenience this may cause. We appreciate the time and effort you invested in your application and hope you will consider applying for future opportunities with us.

    Thank you for your understanding.

    Sincerely,
    Robert Brown
    Internship Program Manager

    16. Internship Follow-Up Letter

    David Martinez
    321 Student Street
    Los Angeles, CA 90001

    October 15, 2024

    TechStart Solutions
    456 Innovation Road
    Los Angeles, CA 90002

    Dear Team,

    I hope this message finds you well. I am writing to follow up on my application for the Marketing Intern position at TechStart Solutions. It has been two weeks since I submitted my application, and I wanted to express my continued interest in the role.

    I would be more than happy to provide any additional information or answer any further questions you may have. Please let me know if there are any updates regarding the status of my application.

    Thank you for considering my application. I look forward to the opportunity to contribute to your team.

    Sincerely,
    David Martinez

    Conclusion

    These 16 internship letter examples provide a comprehensive guide for both start-ups and interns. They cover various scenarios, from offering and accepting internships to terminating or extending them. By using these templates, start-ups can maintain professional communication and ensure clear expectations for all parties involved. Remember to tailor each letter to your specific needs and maintain a professional tone throughout.

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