Introduction to Start-up Internship Letters
Internship letters are essential for both start-ups and students or recent graduates looking to gain valuable work experience. These letters serve as formal agreements that outline the terms of the internship, including responsibilities, duration, and compensation. For start-ups, a well-crafted internship letter can attract top talent while establishing clear expectations.
In this article, we provide 25+ sample internship letters tailored for start-ups. These examples cover various scenarios, from offering internships to accepting applications. Each letter is professionally formatted and includes realistic details to serve as practical templates for your start-up.
Whether you’re a founder looking to build your team or a student seeking to intern at a start-up, these samples will guide you in creating clear, professional internship letters that meet your needs.
1. Start-up Internship Offer Letter
John Doe
CEO, TechStart Solutions
123 Innovation Lane
San Francisco, CA 94105
October 15, 2023
Dear Emily Smith,
We are pleased to offer you the position of Marketing Intern at TechStart Solutions. Your responsibilities will include social media management and content creation. The internship will run from November 1, 2023, to February 28, 2024, with a stipend of $1,500 per month.
Please confirm your acceptance by signing and returning the attached form by October 22, 2023.
Sincerely,
John Doe
2. Internship Acceptance Letter
Jane Wilson
123 Main Street
New York, NY 10001
October 20, 2023
Dear Hiring Manager at GreenTech Innovations,
I am writing to formally accept the offer for the Software Development Intern position. I am excited to contribute to your team and gain hands-on experience in AI development.
I will join on November 1, 2023, as agreed. Thank you for this opportunity.
Sincerely,
Jane Wilson
3. Internship Request Letter
Michael Brown
456 College Drive
Boston, MA 02134
October 10, 2023
Dear Dr. Sarah Johnson at MedTech Start-ups,
I am reaching out to express my interest in an internship at your company. I am a third-year biomedical engineering student with a passion for medical device innovation.
I would appreciate the opportunity to discuss potential opportunities. Thank you for considering my request.
Sincerely,
Michael Brown
4. Internship Rejection Letter
Sarah Taylor
HR Manager, FinTech Solutions
789 Financial Boulevard
Chicago, IL 60606
October 18, 2023
Dear David Lee,
Thank you for your application for the Financial Analyst Intern position. After careful consideration, we regret to inform you that we will not be moving forward with your application at this time.
We appreciate your interest in FinTech Solutions and wish you the best in your job search.
Sincerely,
Sarah Taylor
5. Internship Thank You Letter
Emily Davis
789 Startup Avenue
Austin, TX 78704
October 25, 2023
Dear Alex Turner at CreativeHub,
I wanted to express my gratitude for the opportunity to intern as a Graphic Design Intern this summer. The experience was invaluable, and I learned so much about branding and UI/UX design.
Thank you for your guidance and support throughout my internship.
Sincerely,
Emily Davis
6. Remote Internship Offer Letter
Robert Green
CEO, RemoteWorks
321 Remote Lane
Denver, CO 80210
October 12, 2023
Dear Sophia Martinez,
We are pleased to offer you a Remote Customer Support Intern position. You will work remotely and be responsible for client communication and ticket resolution.
The internship will last for three months, starting on November 1, 2023.
Sincerely,
Robert Green
7. Paid Internship Letter
Lisa Nguyen
HR Manager, Payroll Solutions
456 Payroll Street
Los Angeles, CA 90017
October 20, 2023
Dear Kevin White,
We are delighted to offer you the Paid Accounting Intern position. You will assist with financial reporting and budget analysis, with a monthly stipend of $2,000.
Please confirm your acceptance by October 27, 2023.
Sincerely,
Lisa Nguyen
8. Unpaid Internship Letter
James Wilson
Director, Non-Profit Start-up
123 Charity Lane
Washington, D.C. 20001
October 15, 2023
Dear Margaret Harris,
We invite you to join us as an Unpaid Fundraising Intern. While this is an unpaid position, you will gain valuable experience in non-profit management and fundraising strategies.
The internship will run from November 1, 2023, to January 31, 2024.
Sincerely,
James Wilson
9. Internship Extension Letter
Jennifer Smith
COO, Tech Innovators
654 Innovation Road
Seattle, WA 98122
October 22, 2023
Dear Daniel Kim,
We are pleased to offer you an extension of your Product Management Intern role until December 31, 2023. Your contributions to our product development team have been exceptional.
Please confirm your availability for the extension.
Sincerely,
Jennifer Smith
10. Internship Termination Letter
Michael Johnson
HR Manager, Green Energy Co.
987 Energy Drive
Portland, OR 97201
October 18, 2023
Dear Olivia Brown,
It is with regret that we must terminate your Renewable Energy Intern position, effective October 31, 2023. This decision was made due to unforeseen budget constraints.
We appreciate your contributions and wish you the best in your future endeavors.
Sincerely,
Michael Johnson
11. Internship Application Letter
Sophia Garcia
789 Student Lane
Miami, FL 33101
October 10, 2023
Dear Hiring Manager at FashionForward,
I am writing to apply for the Fashion Design Intern position. With a background in textile design and a passion for sustainable fashion, I am eager to contribute to your team.
Thank you for considering my application. I look forward to the opportunity to discuss how I can contribute to FashionForward.
Sincerely,
Sophia Garcia
12. Internship Confirmation Letter
Emma Davis
HR Coordinator, FoodTech Start-up
321 Food Lane
Austin, TX 78704
October 25, 2023
Dear Liam O’Connor,
We are pleased to confirm your Food Science Intern position, starting on November 1, 2023. You will be working closely with our product development team to create innovative food solutions.
Please find attached the detailed internship agreement for your review.
Sincerely,
Emma Davis
13. Internship Reference Letter
Olivia Green
CEO, EcoFriendly Products
456 Eco Lane
Denver, CO 80203
October 20, 2023
To Whom It May Concern,
This letter serves as a professional reference for Emily Carter, who interned with us as a Sustainability Intern. Emily demonstrated exceptional skills in environmental impact analysis and was a valuable asset to our team.
Please feel free to contact me for any further information.
Sincerely,
Olivia Green
14. Internship Completion Letter
David Brown
CEO, TechStart Solutions
789 Innovation Road
San Francisco, CA 94105
October 31, 2023
Dear Sophia Martinez,
Congratulations on successfully completing your Software Development Intern program. Your contributions to our AI project were outstanding, and we are grateful for your hard work.
We wish you the best in your future endeavors.
Sincerely,
David Brown
15. Internship Offer Withdrawal Letter
Sarah Johnson
HR Manager, FinTech Solutions
654 Financial Boulevard
Chicago, IL 60606
October 22, 2023
Dear Michael White,
Unfortunately, we are forced to withdraw the Financial Analyst Intern offer due to unexpected business circumstances. We apologize for any inconvenience this may cause.
We hope to consider your application in the future.
Sincerely,
Sarah Johnson
16. Internship Program Description Letter
James Wilson
Program Director, Start-up Internships
321 Start-up Lane
New York, NY 10001
October 15, 2023
Dear Prospective Interns,
We are excited to introduce our 2024 Start-up Internship Program, designed to provide hands-on experience in entrepreneurship and start-up operations. The program includes mentorship, professional development, and the opportunity to work on real-world projects.
Applications are now open for various roles across our start-up network.
Sincerely,
James Wilson
17. Internship Interview Invitation Letter
Jennifer Smith
HR Coordinator, CreativeHub
789 Creative Lane
Los Angeles, CA 90017
October 18, 2023
Dear Emily Davis,
Thank you for your application to the Graphic Design Intern position. We would like to invite you for an interview on October 25, 2023, at 2 PM PST.
Please confirm your availability and find the interview details attached.
Sincerely,
Jennifer Smith
18. Internship Application Follow-up Letter
Michael Johnson
789 Student Road
Boston, MA 02134
October 20, 2023
Dear Hiring Manager at GreenTech Innovations,
I am writing to follow up on my application for the Renewable Energy Intern position. It has been two weeks since I submitted my application, and I wanted to express my continued interest in the role.
Please let me know if there are any updates regarding my application.
Sincerely,
Michael Johnson
19. Internship Program Evaluation Letter
Lisa Nguyen
Program Manager, Start-up Internships
456 Start-up Street
Austin, TX 78704
October 25, 2023
Dear Internship Participants,
We hope you enjoyed your experience in our 2023 Start-up Internship Program. To help us improve, please take a few minutes to complete the attached evaluation form and share your feedback on the program.
Your input is invaluable to us.
Sincerely,
Lisa Nguyen
20. Internship Stipend Increase Letter
Robert Green
CEO, RemoteWorks
321 Remote Lane
Denver, CO 80210
October 22, 2023
Dear Sophia Martinez,
We are pleased to inform you that your Remote Customer Support Intern stipend has been increased to $1,800 per month, effective November 1, 2023. This adjustment reflects your exceptional performance and contributions to our team.
Thank you for your hard work and dedication.
Sincerely,
Robert Green
21. Internship Schedule Adjustment Letter
Emma Davis
HR Manager, FoodTech Start-up
654 Food Lane
Chicago, IL 60606
October 18, 2023
Dear Daniel Kim,
Please note that your Food Science Intern schedule has been adjusted to 20 hours per week, effective November 1, 2023. This change will allow for better alignment with our project timelines.
Let us know if you have any questions or concerns.
Sincerely,
Emma Davis
22. Internship Program Promotion Letter
Jennifer Wilson
Marketing Director, Start-up Internships
789 Start-up Road
San Francisco, CA 94105
October 15, 2023
Dear Students and Recent Graduates,
We are excited to announce our 2024 Start-up Internship Program, offering opportunities in software development, marketing, and product management. Gain hands-on experience and mentorship from industry experts.
Apply now to secure your spot in this transformative program.
Sincerely,
Jennifer Wilson
23. Internship Program Benefits Letter
Michael Johnson
Program Director, Start-up Internships
456 Start-up Street
New York, NY 10001
October 20, 2023
Dear Internship Applicants,
Our 2024 Start-up Internship Program offers a range of benefits, including professional mentorship, industry networking, and access to exclusive start-up events. Additionally, all interns will receive a completion certificate and a letter of recommendation.
Join us for a rewarding and enriching experience.
Sincerely,
Michael Johnson
24. Internship Application Deadline Extension Letter
Lisa Nguyen
HR Manager, Payroll Solutions
321 Payroll Lane
Los Angeles, CA 90017
October 22, 2023
Dear Prospective Applicants,
We are extending the application deadline for the Paid Accounting Intern position to November 1, 2023. This provides additional time for interested candidates to submit their applications.
We look forward to receiving your application.
Sincerely,
Lisa Nguyen
25. Internship Program Alumni Letter
James Wilson
Alumni Relations, Start-up Internships
789 Start-up Avenue
Austin, TX 78704
October 25, 2023
Dear Start-up Internship Alumni,
We are excited to launch our new Alumni Network for past interns. This platform will allow you to connect with fellow alumni, share career updates, and stay informed about upcoming opportunities.
Please join us for our inaugural alumni event on November 15, 2023.
Sincerely,
James Wilson
Conclusion
These 25 sample internship letters provide a comprehensive guide for both start-ups and interns. Whether you’re offering an internship, accepting an offer, or requesting an opportunity, these templates will help you craft professional and clear communication. Use these examples to ensure your internship letters are polished and effective.