The Importance of Internship Letters and Certificates in Indonesia 2026
As Indonesia continues to grow economically, the value of internship letters and certificates has become increasingly significant for students and professionals alike. These documents not only validate practical experience but also serve as critical tools for career advancement. In 2026, the demand for skilled workers is expected to rise, making internship certificates indispensable for job seekers.
This article provides 16 professional examples of internship-related letters and certificates, tailored to the Indonesian job market. These templates are designed to help individuals effectively communicate their skills and experiences to potential employers.
1. Internship Completion Certificate
PT. Maju Bersama
Jl. Sudirman No. 12
Jakarta, Indonesia
15 March 2026
This is to certify that Ahmad Firdaus has successfully completed his internship program at PT. Maju Bersama from January 2026 to March 2026. During his tenure, he demonstrated exceptional skills in digital marketing and contributed significantly to our team.
Sincerely,
Ms. Rina Widyastuti
HR Manager
2. Internship Offer Acceptance Letter
Universitas Indonesia
Fakultas Ekonomi
Depok, Indonesia
10 February 2026
Dear Mr. Adi Wijaya,
I am pleased to accept the internship offer extended to me by your esteemed organization. I am eager to contribute to your team and gain valuable experience in the field of financial analysis.
Sincerely,
Nurul Aini
3. Request for Internship Extension
PT. Cipta Karya
Jl. Gatot Subroto No. 45
Bandung, Indonesia
20 April 2026
Dear Ms. Lestari Wati,
I am writing to request an extension of my internship period to further develop my skills in project management. I am confident that additional time will allow me to contribute more effectively to your team.
Sincerely,
Budi Hartono
4. Internship Experience Certificate
Rumah Sakit Umum
Jl. Cik Di Tiro No. 7
Yogyakarta, Indonesia
25 May 2026
This is to certify that Siti Aisyah has completed her internship program in the medical administration department. Her dedication and professionalism were greatly appreciated during her time with us.
Sincerely,
Dr. M. Faisal
Hospital Director
5. Internship Reference Letter
Universitas Gadjah Mada
Fakultas Teknik
Yogyakarta, Indonesia
1 June 2026
To Whom It May Concern,
This letter serves as a recommendation for Rizki Andika, who completed his internship in our civil engineering department. His performance was outstanding, and we highly recommend him for future opportunities.
Sincerely,
Prof. Dr. Ir. Budiarto
6. Internship Program Completion Letter
PT. Global Teknologi
Jl. Bintaro No. 34
Tangerang, Indonesia
30 July 2026
Dear Alexander Tan,
We are pleased to inform you that you have successfully completed the internship program at PT. Global Teknologi. Your contributions to our software development team were invaluable.
Sincerely,
Mr. Daniel Sutanto
CEO
7. Internship Certificate of Appreciation
Hotel Indonesia Kempinski
Jl. Thamrin No. 1
Jakarta, Indonesia
15 August 2026
This certificate is awarded to Nadia Putri in appreciation of her outstanding performance during her internship in the hospitality management department.
Sincerely,
Ms. Astrid Wibisono
General Manager
8. Internship Offer Letter
PT. Indah Logistik
Jl. Raya No. 78
Surabaya, Indonesia
5 September 2026
Dear Wahyu Pratama,
We are delighted to offer you an internship position in our supply chain management department. We believe your skills and enthusiasm will be a great asset to our team.
Sincerely,
Mr. Herry Susanto
Operations Manager
9. Internship Experience Verification Letter
Bank Central Asia
Jl. Sudirman No. 33
Jakarta, Indonesia
10 October 2026
This letter confirms that Putri Widyastuti has completed her internship in the banking and finance department. Her dedication and professionalism were exemplary.
Sincerely,
Ms. Risma Andriani
HR Manager
10. Internship Program Evaluation Letter
Universitas Indonesia
Fakultas Hukum
Depok, Indonesia
20 November 2026
Dear Andi Setiawan,
We are pleased to inform you that your performance during the internship program in the legal studies department has been evaluated as outstanding. Your contributions were highly valued.
Sincerely,
Prof. Dr. Sri Widowati
11. Internship Certificate of Completion
PT. Mega Karya
Jl. Kebon Jeruk No. 12
Jakarta, Indonesia
25 December 2026
This is to certify that Bayu Kusuma has successfully completed his internship program in the engineering department. His dedication and innovative ideas were greatly appreciated.
Sincerely,
Mr. Tono Wibowo
Project Manager
12. Internship Reference Request Letter
Universitas Gadjah Mada
Fakultas Kedokteran
Yogyakarta, Indonesia
1 January 2026
Dear Dr. Maria Wijayanti,
I am writing to request a reference letter for my internship application in the medical research field. Your recommendation would greatly enhance my application.
Sincerely,
Anisa Nurmalasari
13. Internship Program Confirmation Letter
PT. Cipta Karya
Jl. Gatot Subroto No. 45
Bandung, Indonesia
15 February 2026
Dear Mr. Adi Wijaya,
We are pleased to confirm your participation in our internship program. You will be assigned to the project management department, where you will gain hands-on experience.
Sincerely,
Ms. Lestari Wati
HR Manager
14. Internship Experience Letter
Rumah Sakit Umum
Jl. Cik Di Tiro No. 7
Yogyakarta, Indonesia
25 March 2026
This letter confirms that Siti Aisyah has gained valuable experience in the medical administration department during her internship. Her performance was commendable.
Sincerely,
Dr. M. Faisal
Hospital Director
15. Internship Program Evaluation Letter
Universitas Indonesia
Fakultas Ekonomi
Depok, Indonesia
1 April 2026
Dear Ahmad Firdaus,
Your performance during the internship program in the financial analysis department has been evaluated as outstanding. Your contributions were highly valued by our team.
Sincerely,
Prof. Dr. Sri Widowati
16. Internship Certificate of Excellence
PT. Global Teknologi
Jl. Bintaro No. 34
Tangerang, Indonesia
30 May 2026
This certificate is awarded to Alexander Tan in recognition of his exceptional performance during his internship in the software development department.
Sincerely,
Mr. Daniel Sutanto
CEO
Conclusion
The examples provided above demonstrate the significance of internship letters and certificates in Indonesia for 2026. These documents not only validate experience but also serve as powerful tools for career advancement. By using these templates, individuals can effectively communicate their skills and experiences to potential employers, enhancing their chances of success in the competitive job market.