Introduction to Internship Letters and Reports in Indonesia 2026
In Indonesia, internship letters and reports are essential documents for students and professionals alike. They serve as formal records of internship experiences, skills gained, and contributions made during the program. With the increasing demand for skilled workers, crafting a well-written internship letter and report is crucial for making a strong impression on employers and academic institutions.
This guide provides 16+ professional examples of internship letters and reports tailored for Indonesia in 2026. These examples cover various industries, from technology and finance to healthcare and education. Each letter and report is designed to meet the specific needs of Indonesian businesses and academic requirements.
1. Internship Application Letter for IT Company
John Doe
Jl. Sudirman No. 12
Jakarta, 10220
Indonesia
Jakarta, 15 March 2026
Hiring Manager
PT. Tech Indonesia
Jl. Gatot Subroto No. 45
Jakarta, 10200
Indonesia
Dear Hiring Manager,
I am writing to express my interest in the internship program at PT. Tech Indonesia. As a third-year computer science student at Universitas Indonesia, I am eager to apply my skills in software development and contribute to your team.
Key skills: Programming (Python, Java), Web Development, Database Management.
I look forward to the opportunity to discuss how I can contribute to your projects.
Best regards,
John Doe
2. Internship Completion Certificate Request
Jane Smith
Jl. Menteng No. 78
Jakarta, 10310
Indonesia
Jakarta, 20 April 2026
HR Department
PT. Global Solutions
Jl. HR. Rasuna Said No. 12
Jakarta, 10220
Indonesia
Dear HR Team,
I am writing to request a completion certificate for my internship period from January to April 2026. My experience at PT. Global Solutions has been invaluable, and I would like to include this certificate in my academic records.
Please let me know the process and required documents for obtaining the certificate.
Thank you for your assistance.
Best regards,
Jane Smith
3. Internship Offer Acceptance Letter
Michael Brown
Jl. Kuningan No. 45
Jakarta, 10250
Indonesia
Jakarta, 10 May 2026
Internship Committee
PT. Indonesia Investama
Jl. Sudirman No. 33
Jakarta, 10220
Indonesia
Dear Internship Committee,
I am pleased to accept the internship offer for the position of Financial Analyst at PT. Indonesia Investama. I am confident that this opportunity will enhance my skills in financial analysis and investment strategies.
Key areas of focus: Financial modeling, market analysis, and portfolio management.
I look forward to contributing to your team starting from June 2026.
Best regards,
Michael Brown
4. Internship Report Submission Letter
Sarah Johnson
Jl. Teuku Cik Di Tiro No. 67
Jakarta, 10300
Indonesia
Jakarta, 25 May 2026
Academic Office
Universitas Indonesia
Jl. Salemba No. 4
Jakarta, 10430
Indonesia
Dear Academic Office,
Please find attached my internship report for the period of January to April 2026 at PT. Global Solutions. The report includes details of my responsibilities, achievements, and learning outcomes during the internship.
Thank you for your guidance throughout this academic process.
Best regards,
Sarah Johnson
5. Internship Extension Request Letter
David Wilson
Jl. Puri Kembangan No. 90
Jakarta, 11610
Indonesia
Jakarta, 1 June 2026
Internship Coordinator
PT. Indonesia Teknologi
Jl. Bintaro No. 45
Jakarta, 12345
Indonesia
Dear Internship Coordinator,
I am writing to request an extension of my internship period at PT. Indonesia Teknologi. I have thoroughly enjoyed my time here and believe that an additional month would allow me to complete ongoing projects and gain more experience.
Proposed extension period: 1 July to 31 July 2026.
Thank you for considering my request.
Best regards,
David Wilson
6. Internship Termination Letter
Emily Davis
Jl. Cilandak No. 12
Jakarta, 12560
Indonesia
Jakarta, 5 June 2026
HR Manager
PT. Indonesia Manufacturing
Jl. Cikupa No. 78
Tangerang, 15110
Indonesia
Dear HR Manager,
Due to unforeseen personal circumstances, I regret to inform you of my decision to terminate my internship at PT. Indonesia Manufacturing, effective 15 June 2026.
I appreciate the opportunities provided during my time here.
Best regards,
Emily Davis
7. Internship Reference Letter Request
Daniel Martinez
Jl. Karawaci No. 34
Tangerang, 15110
Indonesia
Tangerang, 10 June 2026
Supervisor
PT. Indonesia Automotive
Jl. Daan Mogot No. 45
Jakarta, 11520
Indonesia
Dear Supervisor,
I am writing to request a reference letter for my future academic and professional endeavors. Your endorsement would carry significant weight, and I would be grateful for your support.
Key achievements during internship: Process optimization, quality control, and team collaboration.
Thank you for considering my request.
Best regards,
Daniel Martinez
8. Internship Thank You Letter
Sophia Rodriguez
Jl. Serpong No. 67
Tangerang, 15320
Indonesia
Tangerang, 15 June 2026
Team Leader
PT. Indonesia Retail
Jl. Alam Sutera No. 12
Tangerang, 15110
Indonesia
Dear Team Leader,
I would like to express my sincere gratitude for the opportunity to intern at PT. Indonesia Retail. The experience has been invaluable, and I have learned a great deal about retail management and customer service.
Thank you for your guidance and support throughout my internship.
Best regards,
Sophia Rodriguez
9. Internship Evaluation Report Submission
Olivia Green
Jl. BSD No. 45
Tangerang, 15320
Indonesia
Tangerang, 20 June 2026
Internship Coordinator
PT. Indonesia Education
Jl. Puri Lippo No. 78
Tangerang, 15110
Indonesia
Dear Internship Coordinator,
Please find attached my internship evaluation report for the period of March to June 2026. The report includes my feedback on the program structure, learning outcomes, and suggestions for improvement.
Key feedback areas: Program structure, mentorship quality, and practical learning opportunities.
Thank you for your attention to this matter.
Best regards,
Olivia Green
10. Internship Program Completion Letter
William Brown
Jl. Gading Serpong No. 90
Tangerang, 15110
Indonesia
Tangerang, 25 June 2026
HR Department
PT. Indonesia Healthcare
Jl. Kebon Jeruk No. 12
Jakarta, 11520
Indonesia
Dear HR Department,
I am writing to confirm the successful completion of my internship program at PT. Indonesia Healthcare. The experience has significantly enhanced my understanding of healthcare management and operations.
Key accomplishments: Patient data management, process optimization, and team collaboration.
Thank you for the opportunity to contribute to your organization.
Best regards,
William Brown
11. Internship Offer Rejection Letter
Emma Taylor
Jl. Pamulang No. 34
Tangerang, 15415
Indonesia
Tangerang, 1 July 2026
Internship Committee
PT. Indonesia Energy
Jl. Ciledug No. 45
Jakarta, 12230
Indonesia
Dear Internship Committee,
After careful consideration, I regret to inform you that I must decline the internship offer for the position of Renewable Energy Analyst at PT. Indonesia Energy.
I appreciate the opportunity and wish the team continued success in the future.
Best regards,
Emma Taylor
12. Internship Experience Letter
James Wilson
Jl. Karawang No. 67
Karawang, 41311
Indonesia
Karawang, 5 July 2026
HR Manager
PT. Indonesia Manufacturing
Jl. Tol Karawang No. 12
Karawang, 41310
Indonesia
Dear HR Manager,
I am writing to confirm my internship experience at PT. Indonesia Manufacturing from April to June 2026. During this period, I gained hands-on experience in production planning and quality control.
Key responsibilities: Production scheduling, quality assurance, and supply chain management.
Thank you for the opportunity to contribute to your team.
Best regards,
James Wilson
13. Internship Application Follow-Up Letter
Grace White
Jl. Bekasi No. 78
Bekasi, 17111
Indonesia
Bekasi, 10 July 2026
Internship Coordinator
PT. Indonesia Logistics
Jl. Cikarang No. 45
Bekasi, 17550
Indonesia
Dear Internship Coordinator,
I am writing to follow up on my internship application submitted on 1 July 2026. I would appreciate any updates regarding the status of my application and the next steps in the selection process.
Thank you for your time and consideration.
Best regards,
Grace White
14. Internship Program Evaluation Letter
Michael Clark
Jl. Cikupa No. 90
Tangerang, 15110
Indonesia
Tangerang, 15 July 2026
Internship Committee
PT. Indonesia Technology
Jl. BSD No. 12
Tangerang, 15320
Indonesia
Dear Internship Committee,
I am writing to provide feedback on the internship program I completed at PT. Indonesia Technology. Overall, the program was well-structured and provided valuable learning opportunities.
Areas for improvement: Mentorship program, practical assignments, and feedback mechanisms.
Thank you for your attention to this matter.
Best regards,
Michael Clark
15. Internship Certificate Request Follow-Up
Sophia Martin
Jl. Serang No. 45
Serang, 42111
Indonesia
Serang, 20 July 2026
HR Department
PT. Indonesia Construction
Jl. Cilegon No. 78
Serang, 42110
Indonesia
Dear HR Department,
I am writing to follow up on my request for an internship completion certificate submitted on 1 July 2026. Could you please provide an update on the status of my request?
Thank you for your prompt attention to this matter.
Best regards,
Sophia Martin
16. Internship Experience Confirmation Letter
Daniel Harris
Jl. Tangerang No. 12
Tangerang, 15110
Indonesia
Tangerang, 25 July 2026
Academic Office
Universitas Indonesia
Jl. Salemba No. 4
Jakarta, 10430
Indonesia
Dear Academic Office,
I am writing to confirm my internship experience at PT. Indonesia Technology from May to July 2026. The internship provided me with hands-on experience in software development and project management.
Key achievements: Software development, team collaboration, and project delivery.
Thank you for your support throughout this academic process.
Best regards,
Daniel Harris
Conclusion
Crafting professional internship letters and reports is a critical skill for students and professionals in Indonesia. The examples provided in this guide demonstrate how to effectively communicate your intentions, experiences, and achievements in a formal and professional manner. By following these templates, you can create compelling documents that meet the expectations of employers and academic institutions in Indonesia.
Remember to tailor each letter and report to the specific requirements of the organization or institution you are addressing. This will ensure that your documents stand out and make a positive impression.