Sponsor is a company or firm residing inside the Netherlands
In this case, you should send in two documents:
1. an original statement (letter) from the sponsor
2. an original statement of guarantee (model M47)
Sponsor statement requirements
- not older than 3 months
- must be dated
- signed by an authorized executive
- name and address of the company/firm
- starting date and ending date of the financial support
- the monthly amount transferred to the student
- full name and date of birth of the student
Statement of guarantee
The statement is to be requested by email: 
verkort@ind.minjus.nl
If your sponsor is a person being the owner of his or her company or firm residing in the Netherlands (not working as an employee), other documents are required. See 
Third party support by a person residing in the Netherlands for more information.