Websites · Custom web applications
A custom web application that replaces spreadsheets, notes and retyping data
We build a tool made for your business: bookings, a client portal, a pricing calculator or an internal system. It runs in the browser and does what you do by hand today.
Does any of this sound familiar?
- You keep bookings or jobs in a spreadsheet, and sooner or later someone overwrites something.
- You type the same thing in three places because the programs don't talk to each other.
- Clients phone to ask about the status of a job because they have no way to check it.
- Off-the-shelf software has hundreds of features, you use a few, and you pay extra for the rest.
- You calculate quotes by hand every time, and mistakes happen.
This kind of work eats time you could spend on clients. A well-chosen tool can take over a large part of it.
What it is
What a custom web application is
It is a program you open in the browser, with nothing to install. It is built for your business, so it has only the features you really use and names things the way you do. It can be appointment booking, a client portal, a pricing calculator or a team task list.
Before I build anything, I sit down with you and we write out how the work looks today: who does what, where they enter data and where you lose time. That way the application removes concrete problems instead of adding a new, complicated routine.
We start with a small version you can use after a short time. We add further features in stages, once you see what really works. That is safer than building a huge system in one go.
What you gain
What you gain from your own application
No more retyping
You enter data once and the application shows it wherever it is needed. Fewer mistakes and less tedious work.
A tool for your business
The program fits how you work, instead of forcing your team into new, unfamiliar habits.
Clients serve themselves
They can book a slot or check the status of a job without calling. Fewer phone calls, more time for work.
Growth step by step
You start with the most important feature and add more as the business needs them.
Example
What it looks like in practice
Before the application
After the applicationAn illustrative example, based on situations I often meet in small businesses.
Step by step
What it looks like from your side

- 1
Writing down your needs
Your part: conversationYou tell me how you work today and what wears you out. We agree what the application should do first.
- 2
A simple design
Your part: approvalI show you sketches of the screens so you can see what the work will look like. We change things before I start building.
- 3
A first version
Your part: trialI build the most important features and you get them to try out on real data.
- 4
Fixes and growth
Your part: feedbackI collect your comments, make corrections and add further features when you need them.
What you get
What you get
- A written description of what the application should do
- Screen sketches for approval before building
- A working application available in the browser
- Accounts and permissions for you, your team and clients
- Migration of your existing data, if it lives in a spreadsheet
- A short training session and a guide to using it

“First I check whether your own application will pay off at all. If off-the-shelf software is enough, I'll say so straight.”
Who custom web applications are for
- Businesses that run bookings, jobs or clients in spreadsheets and notebooks
- Owners for whom off-the-shelf software doesn't fit the way the company works
- Companies that want to give clients their own panel with job history
- Teams that lose time retyping the same data in several places
Frequently asked questions
How is a web application different from an ordinary website?
An ordinary website shows information, while a web application does work: it takes bookings, calculates prices, stores client data or lets clients check the status of a job. It runs in the browser, so there is nothing to install on a computer or phone.
Wouldn't off-the-shelf software be enough?
Often it is, and then I'll tell you so honestly. A custom application makes sense when ready-made programs force a different way of working than yours, or cost too much for features you don't use. First I check whether your own solution will pay off at all.
How much does a web application cost?
The cost depends on the number of features and how many people will use it. That is why we start with a short conversation and a written list of what the application should do. On that basis I prepare a quote, often split into stages, so you can start with the most important part.
Can I start with a small version?
Yes, and I usually recommend it. We first build what saves you the most time, and add further features once you see how the application works day to day. That way you don't pay up front for things you don't need yet.
See also
What else makes a website sell
Free consultation
Let's talk about your business
A no-obligation chat: I'll tell you what will really bring you more customers and what it costs. I reply within 24 hours.
