J. van der Graaff
Good advice and fast shipping.
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Tromm International B.V.
tromm.comAverage score
The displayed average score is not only based on our own evaluations but in many cases also on reviews from external sources if they have been added to the profile. This way, for example, we can include Google's score in the calculation.
Calculation of the score
The rating is based on a 'Likert scale', in this case, consisting of 1 to 5 stars. The displayed score is the average of all ratings, with and without review text.
External sources
In addition to the score calculated with our own reviews, reviews from external platforms can also be included in the average score at ValuedShops. These reviews count equally in the average score. Thus, 100 reviews at ValuedShops (with an average of 4.5) and 100 reviews collected elsewhere (with an average of 4) lead to an average score of 4.25.
Average score
The displayed average score is not only based on our own evaluations but in many cases also on reviews from external sources if they have been added to the profile. This way, for example, we can include Google's score in the calculation.
Calculation of the score
The rating is based on a 'Likert scale', in this case, consisting of 1 to 5 stars. The displayed score is the average of all ratings, with and without review text.
External sources
In addition to the score calculated with our own reviews, reviews from external platforms can also be included in the average score at ValuedShops. These reviews count equally in the average score. Thus, 100 reviews at ValuedShops (with an average of 4.5) and 100 reviews collected elsewhere (with an average of 4) lead to an average score of 4.25.
498 reviews last 12 months
Last 12 months review count
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Reviews from external sources are not included in this count.
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Member of ValuedShops since 2025
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ValuedShops reviews
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- Alain NEVERSThis review was collected through ValuedShops and is traceable to a purchase at Tromm International B.V., indicating a genuine experience.
How we verify reviewsperfect - fast - to recommend - thank you
Translated with AI How would you rate Tromm International B.V.?
- BOKONI MONGBONGOThis review was collected through ValuedShops and is traceable to a purchase at Tromm International B.V., indicating a genuine experience.
How we verify reviews - Erik CooremansThis review was collected through ValuedShops and is traceable to a purchase at Tromm International B.V., indicating a genuine experience.
How we verify reviews - Ronald Van LoyThis review was collected through ValuedShops and is traceable to a purchase at Tromm International B.V., indicating a genuine experience.
How we verify reviews - Jorg BendersThis review was collected through ValuedShops and is traceable to a purchase at Tromm International B.V., indicating a genuine experience.
How we verify reviews