Terms & conditions

These proposed terms cover professional services supplied under the JustAppz brand: websites, custom business apps, automation, consulting and integrations. They are drafted for business-to-business engagements with clients acting in the course of a business or profession.

Supplier: JustAppz, established in Amsterdam, The Netherlands (KvK 97657905, VAT identification number NL005280210B35), operated by Janvier Jessurun. Contact: info@justappz.nl · www.justappz.nl. The legal form and full registered address should be confirmed by legal review before these terms are used with clients. These draft terms are not yet incorporated into any contract and browsing this site does not create a paid engagement.

Consumer engagements require separate review and appropriate information, withdrawal rights and mandatory protections. Nothing here excludes rights that cannot lawfully be excluded.

An engagement begins only after both parties agree a written proposal identifying the supplier, scope, deliverables, fees, payment schedule and applicable terms. Email acceptance can document agreement. Website prices are indicative, excluding VAT unless stated otherwise, and are not binding offers.

The applicable terms must be provided before or when the agreement is made in a form the client can retain. A footer link alone is not a substitute for properly incorporating them. Specific written project agreements take priority over these general terms where they conflict.

A first conversation or existing demo does not commit either party to development. A custom prototype is chargeable only when its scope and price have been accepted.

The proposal defines included functionality, deliverables, exclusions, supported environments, milestones and handover. We perform the agreed services with reasonable professional care. No sales, revenue, efficiency or other business outcome is guaranteed unless expressly agreed in writing.

The client supplies timely decisions, accurate requirements, lawful content, necessary access and a person authorised to approve work. The client is responsible for rights to materials it supplies. We may refuse instructions that are unlawful or create an unreasonable security risk.

Timelines depend on agreed assumptions, cooperation and third-party availability. A binding deadline must be expressly agreed as such. Delays and their expected effects should be communicated promptly.

New requirements or changes to approved work need a written agreement on scope, price and schedule before extra work begins. Hourly investigations or uncertain tasks should have an agreed rate and capped budget.

Each project must set objective acceptance criteria, a reasonable review period and the handover process. The client reports material deviations with enough detail to reproduce them; we have a reasonable opportunity to correct work that fails the agreed specification. Minor defects do not remove the obligation to address them.

No automatic acceptance deadline or warranty period is set by this draft. Those details must be agreed in the proposal. New preferences or features are changes, not defects merely because they arise during review.

The proposal sets the price, VAT treatment, invoice due dates, deposits if any, and payment milestones. Invoices state the payment details of JustAppz (IBAN NL88 KNAB 0776 6600 55); payments should only be made to the account stated on the invoice. Monthly services are optional and separate unless explicitly included. There is no unlimited development or hidden compulsory subscription.

Hosting, domains, licences, messaging, AI/API usage and other third-party charges are separately itemised unless included in writing. Cost increases and spending limits should be agreed before additional costs are incurred.

For overdue undisputed B2B invoices, statutory commercial interest and reasonable collection costs may apply as permitted by Dutch law. We first notify the client and provide a reasonable opportunity to pay before a proportionate suspension. A genuinely disputed amount should be discussed promptly; the undisputed part remains payable.

The client keeps ownership of its pre-existing content, data and materials. We retain rights in our pre-existing tools, reusable modules, methods and general know-how. Third-party and open-source materials remain subject to their own licences.

After payment for the relevant deliverables, the client receives the usage rights expressly agreed in the proposal, sufficient for the agreed purpose. Exclusive ownership or assignment of newly created intellectual property requires an explicit written agreement and any legally required deed; it is not implied by commissioning the work.

The proposal must specify source-code access, repository and account ownership, editable files, documentation, export formats, licence restrictions and handover assistance. We do not publish client names, confidential screens or case studies without permission.

Integrations depend on technical feasibility, provider rules, licences, APIs and access granted by the client. External services can change, impose usage limits or become unavailable. We explain known dependencies; their ongoing availability cannot be guaranteed.

AI-generated output can be inaccurate and requires appropriate human review. The parties must agree permitted data, providers, safeguards and intended use before using AI with client information. No confidential or personal data is submitted to an AI service merely because AI is listed as a service on this site.

Changes needed after an external provider alters its service fall under an agreed support arrangement or a separately accepted quote. This does not exclude responsibility for our own failure to deliver agreed integration work with professional care.

Maintenance, security updates, backups, monitoring, hosting and response targets are included only to the extent specified in the written agreement. Completion of a project does not automatically include indefinite support.

A monthly arrangement must specify included tasks or capacity, service hours, response expectations, start date, minimum term if any, renewal, notice period and cancellation process. Unused capacity, emergency work and price reviews must also be addressed before subscribing.

At the end of a service, the parties agree a practical transition, relevant data export and access handover. Additional migration work is chargeable only at agreed rates. We do not promise 24/7 availability or a service-level guarantee unless separately agreed.

Both parties protect confidential information and use it only for the engagement. Disclosure is limited to people who need access and are appropriately bound, or where disclosure is legally required. Information already public without a breach, lawfully obtained elsewhere or independently developed is not confidential.

Data-protection roles must be established for each project. Where we process personal data on the client’s behalf, an Article 28 GDPR data processing agreement must be concluded before processing starts, covering instructions, security, subprocessors, assistance, incidents, transfers and deletion or return.

The client remains responsible for the lawful purpose of its processing and appropriate information to its users. Our own responsibilities under applicable data-protection law are not removed by that allocation.

Each party is responsible for its own contractual obligations. The client should promptly report a problem and take reasonable steps to limit loss. Where a failure can be remedied, we must receive written notice describing it and a reasonable opportunity to remedy it, except where Dutch law does not require this.

Proposed B2B limitation, subject to legal review: liability for attributable failures is limited to direct loss up to the fees paid or payable for the affected project; for recurring services, up to the fees for the affected service over the preceding twelve months. Indirect losses, including lost profits and business interruption, are excluded to the extent legally permitted.

These limitations do not apply to intentional misconduct or deliberate recklessness by management, or where mandatory law or Dutch standards of reasonableness and fairness prevent them. The final cap must be reviewed against project risk and insurance cover. This clause does not limit statutory data-subject rights.

A material breach may justify termination after written notice and a reasonable remedy period where required. Any suspension must be proportionate, with reasonable notice and consideration for security and continuity.

Early project cancellation is handled under the project agreement and applicable Dutch law. Completed work, authorised commitments and any reasonable compensation legally due are accounted for transparently; this draft does not automatically make every remaining project fee payable.

Events outside a party’s reasonable control may excuse an affected obligation only insofar as Dutch law permits. The affected party informs the other and seeks to reduce disruption. A prolonged interruption should trigger discussion of a fair exit and handover. A provider outage is not automatically force majeure in every case.

The proposed B2B agreement is governed by Dutch law. The parties first try to resolve a complaint through discussion, without preventing urgent relief or affecting applicable limitation periods.

Unless a valid written agreement specifies otherwise, disputes go to the competent court under applicable Dutch procedural rules. The supplier is established in Amsterdam; the competent court and any chosen venue should be fixed after legal review. Mandatory consumer or other protections remain unaffected.

Draft dated 14 October 2026. Later website edits do not retroactively change an existing contract; amendments require agreement or a valid contractual change procedure.

Website examples are illustrative and use fictitious data. The current enquiry form is a simulation: no request is delivered, no paid service is ordered and no follow-up is initiated. Business details are now included above; these terms must still be reviewed by a Dutch legal professional before being used with clients.