Skip links


Terms and Conditions


nielsjanszen, a Growhub OÜ brand, VAT ID: EE102049532 Reg. no: 14430690 Sepapaja tn 6, 15551 Tallinn, Estonia.

Customer: the person with whom nielsjanszen has entered into an agreement.

Parties: nielsjanszen and customer together.

Consumer: a customer who is an individual acting for private purposes.


These term and conditions will apply to all quotations, offers, activities, orders, agreements and deliveries of services or products by or on behalf of nielsjanszen.

Parties can only deviate from these conditions if they have explicitly agreed upon in writing.

The parties expressly exclude the applicability of supplementary and/or deviating general terms and conditions of the customer or of third parties.

Offers and Quotations

Offers and quotations from nielsjanszen are without engagement, unless expressly stated otherwise.

An offer or quotation is valid for a maximum of 2 weeks from its date, unless another acceptance period is stated in the offer or quotation.

If the customer does not accept an offer or quotation within the applicable time frame, the offer or quotation will lapse.

Offers and quotations do not apply to repeated orders, unless the parties have agreed upon this explicitly and in writing.


Upon acceptance of a quotation or offer without engagement, nielsjanszen reserves the right to withdraw the quotation or offer within 3 days after receipt of the acceptance, without any obligations towards the customer.

Verbal acceptance of the customer only commits nielsjanszen after the customer has confirmed this in writing (or electronically).


All prices used by nielsjanszen, are in euros, are exclusive of VAT and exclusive of any other costs such as administration costs, levies and travel- shipping- or transport expenses, unless expressly stated otherwise or agreed otherwise.

nielsjanszen is entitled to adjust all prices for its products or services, shown in its shops, on its website or otherwise, at any time.

The price with regard to services is determined by nielsjanszen on the basis of the actual working hours.

The price is calculated according to the usual hourly rates of nielsjanszen, valid for the period in which she carries out the work, unless a different hourly rate has been agreed.

If the parties have agreed on a total amount for a service provided by nielsjanszen, this is always a target price, unless the parties have explicitly agreed upon in writing on a fixed price, which can not be deviated from.

nielsjanszen is entitled to deviate up to 10% of the target price.

If the target price exceeds 10%, nielsjanszen must let the customer know in due time why a higher price is justified.

If the target price exceeds 10%, the customer has the right to cancel the part of the order that exceeds the target price by 10%.

nielsjanszen has the right to adjust priced annually.

nielsjanszen will communicatie price adjustments to the customer prior to the moment te price increase becomes effective.

The customer has the right to terminate the contract with nielsjanszen if (s)he does not agree with the price increase.

Payments and payment term (Services)

The customer must pay invoices of nielsjanszen within 14 days, unless parties have made other agreements about this or if the invoice has a different payment term.

Payment terms are considered as fatal payment terms. This means that if the customer has not paid the agreed amount of the lastert on the last day of the payment term, he is legally in default, without nielsjanszen having to send the customer a reminder or to put him in default.

nielsjanszen reserves the right to make a delivery conditional upon immediate payment or require adequate security for the total amount of services or products.

Consequences of late payment

If the customer does not pay within the agreed term, nielsjanszen is entitled to charge an interest of 1% per month from the day the customer is in default, whereby a part of a month is counted for a whole month.

When the customer is in default, he is also due to extrajudicial collection costs and may be obliged to pay any compensation to nielsjanszen.

The collection costs are calculated on the basis of the Reimbursement for extra extrajudicial collection costs.

If the customer does not pay on time, nielsjanszen may suspend its obligations.

In the event of liquidation, bankruptcy, attachment or suspension of payment on behalf of the customer, the claims of nielsjanszen on the customer are immediately due and payable.

If the customer refuses to cooperate with the performance of the agreement by nielsjanszen, he is still obliged to pay the agreed price to nielsjanszen.

Suspension of obligations by the customer

The customer waives the right to suspend the fulfilment of any obligations arising from this agreement.


The customer waives his right to settle any debt to nielsjanszen with any claim on nielsjanszen.


The customer undertakes to insure and keep insured the following items adequately against fire, explosion and water damages as well as theft:

- goods delivered that are necessary for the execution of the underlying agreement
- goods being property of nielsjanszen that are present at the premises of the customer
- goods that have been delivered under retention of title

At the first request of nielsjanszen, the customer provides the policy for these insurances for inspection


When parties have entered into an agreement with services included, these services only contain best-effort obligations  for nielsjanszen, not obligations of results.

Performance of the agreement

nielsjanszen executes the agreement to the best of its knowledge and ability and in accordance with the requirements of good workmanship.

nielsjanszen has the right to have the agreed services (partially) performed by third parties.

The execution of the agreement takes place in mutual consultation and after written agreement and payment of the possibly agreed advance by the customer.

It is the responsibility of the customer that nielsjanszen can start the implementation of the agreement on time.

If the customer has not ensured that nielsjanszen can start the implementation of the agreement in time, the resulting additional costs and/or extra hours will be charged to the customer.

Duty to inform by the customer

The customer shall make available to nielsjanszen all information, data and documents relevant to the correct execution of the agreement to in time and in the desired format and manner.

The customer guarantees the correctness, completeness, and reliability of the information, data, and documents made available, even if they originate from third parties, unless otherwise ensuing from the nature of the agreement.

If and insofar as the customer requests this, nielsjanszen will return the relevant documents.

If the customer does not timely and properly provides the information, data or documents reasonably required by nielsjanszen and the execution of the agreement is delayed because of this, the resulting additional costs and extra hours will be charged to the customer.

Duration of the agreement

The agreement between nielsjanszen and the customer is entered into for an indefinite period of time, unless it results otherwise from the nature of the agreement or the parties have expressly agreed otherwise in writing.

If a fixed-term contract has been entered into, it will be tacitly converted into an open-ended contract at the end of the term, unless 1 of the parties terminates the contract with due observance of a notice period of 2 month(s), or if a consumer terminates the agreement with due observance of a notice period of 1 month / the agreement ends at the end of the fixed term.

If parties have agreed upon a term for the completion of certain activities, this is never a strict deadline, unless specified explicitly, otherwise in writing. If this term is exceeded, the customer must give nielsjanszen a written reasonable term to terminate the activities, before it may either terminate the contract or claim damages.

Cancellation of the contract for an indefinite period of time

The customer can terminate an agreement that has been concluded for an indefinite period at any time with due observance of a notice period of 2 months.

A consumer has the right to terminate an agreement for an indefinite period with due observance of a notice period of 1 month.

Intellectual Property

nielsjanszen retains all intellectual property rights (including copyright, patent rights, trademark rights, design and design rights, etc.) on all designs, drawings, writings, data carriers or other information, quotations, images, sketches, models, scale models, etc., unless parties have agreed otherwise in writing.

The customer may not copy or have copied the intellectual property rights without prior written permission from nielsjanszen, nor show them to third parties and/or make them available or use them in any other way.


The client keeps any information he receives (in whatever form) from nielsjanszen confidential.

The same applies to all other information concerning nielsjanszen of which he knows or can reasonably suspect that it is secret or confidential, or of which it can expect that its disclosure may cause damage to nielsjanszen.

The customer takes all necessary measures to ensure that he keeps the information referred to in paragraphs 1 and 2 secret.

The obligation of secrecy described in this article does not apply to information:

- which was already made public before the customer heard this information or which later became public without being the result of a violation of the customer’s duty to confidentiality

- which is made public by the customer due to a legal obligation

The confidentiality obligation described in this article applies for the duration of the underlying agreement and for a period of 3 years after the end thereof.


If the customer violates the articles of these general terms and conditions about secrecy or intellectual property, then he forfeits on behalf of nielsjanszen an immediately due and payable fine of €1000 if the customer is a consumer and €5000 if the customer is a company, for each violation and in addition an amount of 5% of the aforementioned amount for each day that this violation continues.

No actual damage, prior notice of default or legal proceedings are required in forfeiting the fine referred to in the first paragraph of this article.

The forfeiture of the fine referred to in the first paragraph of this article shall not affect the other rights of nielsjanszen including its right to claim compensation in addition to the fine.


The customer indemnifies nielsjanszen against all third-party claims that are related to the products and/or services applied by nielsjanszen.


The customer must examine a product or service provided by nielsjanszen as soon as possible for possible shortcomings.

If a delivered product or service does not comply with what the customer could reasonably expect from the agreement, the customer must inform nielsjanszen of this as soon as possible, but in any case within 1 month after the discovery of the shortcomings.

Consumers must inform nielsjanszen of this within two months after detection of the shortcomings.

The customer gives a detailed description as possible of the shortcomings, so that nielsjanszen is able to respond adequately.

The customer must demonstrate that the complaint relates to an agreement between the parties.

If a complaint related to ongoing work, this can in any case not lead to nielsjanszen being forced to perform other work than has been agreed.

Giving notice

The customer must provide any notice of default to nielsjanszen in writing.

It is the responsibility of the customer that a notice of default actually reaches nielsjanszen (in time).

Joint and several Client liabilities

If nielsjanszen enters into an agreement with several customers, each of them shall be jointly and severally liable for the full amounts due to nielsjanszen under that agreement.

Liability of nielsjanszen

nielsjanszen is only liable for any damage the customer suffers if and insofar as this damage is caused by intent or gross negligence.

If nielsjanszen is liable for any damage, it is only liable for direct damages that results from or is related to the execution of an agreement.

nielsjanszen is never liable for indirect damages, such as consequential loss, loss profit, lost savings or damage to third parties.

If nielsjanszen is liable, its liability is limited to the amount paid by a closed (professional) liability insurance and in the absence of (full) payment by an insurance company of the damages the amount of the liability is limited to the (part of the) invoice to which the liability relates.

All images, photos, colors, drawings, descriptions on the website or in a catalog are only indicative and are only approximate and can not lead to any compensation and/or (partial) dissolution of the agreement and/or suspension of any obligation.

Expiry period

Every right of the customer to compensation from nielsjanszen shall, in any case, expire within 12 months after the event from which the liability arises directly or indirectly. This does not exclude the provisions in article 6:89 of the Dutch Civil Code.


The customer has the right to dissolve the agreement if nielsjanszen imputably fails in the fulfilment of his obligations, unless this shortcoming does not justify termination due to its special nature or because it is of minor significance.

If the fulfilment of the obligations by nielsjanszen is not permanent or temporarily impossible, dissolution can only take place after nielsjanszen is in default.

nielsjanszen has the right to dissolve the agreement with the customer, if the customer does not fully or timely fulfil his obligations under the agreement, or if circumstances give nielsjanszen good grounds to fear that the customer will not be able to fulfil his obligations properly.

Force Majeure

In addition to the provisions of article 6:75 Dutch Civil Code, a shortcoming of nielsjanszen in the fulfilment of any obligations to the customer cannot be attributed to nielsjanszen in any situation independent of the will of nielsjanszen, when the fulfilment of its obligations towards the customer is prevented in whole or in part or when the fulfilment of its obligations cannot reasonably be required from nielsjanszen.

The force majeure situation refers to in paragraph 1 is also applicable – but not limited to: state of emergency (such as civil war, insurrection, riots, natural disasters, etc.) defaults and force majeure of suppliers, deliverymen or other third parties; unexpected disturbances of power, electricity, internet, computer or telecoms; computer viruses, strikes, government measures, unforeseen transport problems, bad weather conditions and work stoppages.

If a situation of force majeure arises as as result of which nielsjanszen cannot fulfil one or more obligations towards the customer, these obligations will be suspended until nielsjanszen can comply with it.

From the moment that a force majeure situation has lasted at least 30 calendar days, both parties may dissolve the agreement in writing in whole or in part.

nielsjanszen does not owe any (damage) compensation in a situation of force majeure, even if it has obtained any advantages as a result of the force majeur situation.

Modification of the agreement

If, after the conclusion of the agreement and before its implementation, it appears necessary to change or supplement its contents, the parties shall timely and in mutual consultation adjust the agreement accordingly.

Changes in the general terms and conditions

nielsjanszen is entitled to amend or supplement these general terms and conditions.

Changes of minor importance can be made at any time.

Major changes in content will be discussed by nielsjanszen with the customer in advance as much as possible.

Consumers are entitled to cancel the agreement in the event of a substantial change to the general terms and conditions.

Transfer of rights

The customer can not transfer its rights deferring from an agreement with nielsjanszen to third parties without the prior written consent of nielsjanszen.

This provision applies as a clause with a property law effect as referred to in Section 3:83 (2) Dutch Civil Code.

Consequences of nullity or annul-lability   

If one or more provisions of these general terms and conditions prove null or annullable, this will not affect the other provisions of these terms and conditions.

A provision that is null or annullable shall, in that case, be replaced by a provision that comes closest to what nielsjanszen had in mind when drafting the conditions on that issue.

Applicable law and competent court

Dutch law is exclusively applicable to all agreements between the parties.

The Dutch court in the district where nielsjanszen is established is exclusively competent in case of any disputes between parties, unless the law prescribes otherwise.

 Drawn up on 17 November 2020