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home Education Commercial assistant

Commercial assistant

For adults
Services & Sales
vocational training

As a sales representative, you sell products or services to other companies. You primarily work from the office. You communicate by phone and email and know how to effectively build a conversation. You present your product clearly and collaborate with the customer. You sometimes negotiate on price, delivery time, or agreements. You work diligently and communicate professionally.

A key part of your job is maintaining customer relationships. You'll follow up on appointments, maintain contact, and ensure customer satisfaction. You'll create quotes, process orders, and oversee the entire sales process. You'll also monitor market developments and capitalize on new opportunities. This means you'll be responsible for the sales process from start to finish.

At Summa, you'll gain the knowledge and skills you need to perform this work effectively and independently. The program aligns with real-world business practices and prepares you for a sustainable commercial role.

Want to know more?

For more information, please email: business@summaenbedrijf.nlWe will contact you shortly.

This is a course for adults. If you are looking for a regular vocational education course, please see .

More information.

Costs

The statutory tuition fee for the 2025-2026 school year is €735.

For an estimate of the additional costs for this course, please see mbowebshop.nlEvery year, by July 1st, all school fees for the following academic year are announced there. To actually order, you must log in with your Summa account.

Summa training courses and teaching materials provided by Summa are exempt from VAT. Read more about training costs.

Duration

The course lasts 2 years and you will receive lessons 1 day a week.

Entry Requirements

For the vocational training (level 3) and middle management training (level 4) you must meet one of the following conditions:

  • You have a diploma in pre-vocational secondary education (VMBO) with a pre-vocational secondary education (VMBO) track, a theoretical pre-vocational secondary education (VMBO) track, or a mixed pre-vocational secondary education (VMBO) track.
  • You have an (older) diploma from lbo, vbo, mavo or mavo-vbo.
  • You have a basic vocational training diploma (level 2) or a diploma from another vocational training course (level 3).
  • You have proof that you have successfully completed the first three years of pre-university or senior general secondary education (havo) or pre-university education (vwo).
  • You have another diploma or certificate that has been recognized by the government.

You work at least 24 hours per week at an accredited training company. You attend school one day a week.

Costs

The statutory tuition fee for the 2025-2026 school year is €735.

For an estimate of the additional costs for this course, please see mbowebshop.nlEvery year, by July 1st, all school fees for the following academic year are announced there. To actually order, you must log in with your Summa account.

Summa training courses and teaching materials provided by Summa are exempt from VAT. Read more about training costs.

Duration

The course lasts 2 years and you will receive lessons 1 day a week.

Entry Requirements

For the vocational training (level 3) and middle management training (level 4) you must meet one of the following conditions:

  • You have a diploma in pre-vocational secondary education (VMBO) with a pre-vocational secondary education (VMBO) track, a theoretical pre-vocational secondary education (VMBO) track, or a mixed pre-vocational secondary education (VMBO) track.
  • You have an (older) diploma from lbo, vbo, mavo or mavo-vbo.
  • You have a basic vocational training diploma (level 2) or a diploma from another vocational training course (level 3).
  • You have proof that you have successfully completed the first three years of pre-university or senior general secondary education (havo) or pre-university education (vwo).
  • You have another diploma or certificate that has been recognized by the government.

You work at least 24 hours per week at an accredited training company. You attend school one day a week.

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