More than a website.
Everything for your organisation. In one place.
What fits you best?
I don't have a website yet
Starter, new business, foundation or association. We build your complete online environment — and think along about the smart processes behind it.
- Working example within 24 hours
- Design, build, hosting & maintenance
- Customer portal, planning & invoicing if needed
I already have a website
You're not after a new site, but smarter processes: customer portal, planning, invoicing, bookings, CRM or AI.
- A short exploration for your field
- Instantly see what we can digitise
- Then a proposal, no obligation
Both paths lead to one goal: a smart digital environment for your organisation.
Everything in one place
Everything for your organisation. In one place.
The website is often just the front. The real value sits in the complete solution behind it: everything works together, nothing separate.
Website
A fast, industry-specific front, fully custom.
Customer portal
A dedicated login environment for your customers.
Member area
Member management, sign-ups and communication.
Booking system
Book online and schedule appointments.
Planning
Schedules and calendars, kept up automatically.
CRM
Manage customers and relations clearly.
Invoicing
Automatic invoices and direct debit.
Automation
Manual work that does itself.
AI solutions
Smart assistants and analyses.
Dashboards
Real-time insight into your organisation.
Email flows
Confirmations and reminders, automatically.
Payments
Pay securely via Mollie.
You choose what you need. We advise what truly adds value for your organisation.
We build industry-specific solutions for, among others:
Always personal contact
Your website is built by the same person you talk to.

Henry van de Bovenkamp
Founder of OneDaySite
Hi, I'm Henry. From the first idea to launch you have one dedicated point of contact: I think along about your whole organisation and build the solution myself.
Short lines, quick responses and honest advice. Just send me a message and you instantly have someone who truly understands your organisation. See it first, then decide: I'll build a working example within 24 hours.
- Direct contact with the builder
- One dedicated point of contact
- Short lines, quick to respond
- Thinking along with your business
What does it cost?
Fair prices. No surprises.
No hidden costs, no separate plugins and no technical hassle. From a professional website to a complete platform that keeps your organisation running.
Starter
WebsiteFor entrepreneurs who want to be online professionally without hassle.
- Custom design
- One-page website
- CMS to edit texts and images yourself
- Mobile-friendly
- Contact form
- Own domain name
- Basic SEO
Business
Website + GrowthFor businesses that want to be found better online and want to grow.
- Everything in Starter
- Multiple pages
- Blog module
- Advanced SEO
- Multiple forms
- Business email possible
- Booking system possible
Platform & Custom
Website + SoftwareFor businesses that want to automate processes with their own system.
- Customer portal
- Dashboard
- Login area
- Subscriptions
- Payments
- CRM functionality
- API integrations
- Fully custom system
Free proposal · No obligations · Within 24 hours
What you don't get with us
- No hidden costs
- No slow WordPress installs with dozens of plugins
- No paid plugins that get more expensive every year
- No separate subscriptions for forms, bookings or client management
- No updates that break features
- No surprises afterwards
What you do get
- A custom website in your brand style
- Your own CMS to edit content yourself
- Fast and mobile-friendly
- Secure and always up to date
- No plugin chaos
- Everything in one place
- Personal contact
Hosting, security, maintenance and support from €19.95 per month. No mandatory extra modules. No surprises afterwards.
Frequently asked questions
Everything you'd like to know
Question not listed? Call or email Henry directly.
Another question? Feel free to get in touch.