Custom software for the way you work.
Does your business run on a spreadsheet nobody dares to touch any more, or on software that only half fits? Then we build a program around your steps that works with your accounting system or online shop.
1,250 euro excl. VAT✦Money back if the report finds no opportunity that pays for itself within a year
Custom software in brief
Diginesso is the sole proprietorship of Wesley Beerendonk, a Dutchman who lives in Riparbella near Pisa. Diginesso builds custom software for work that off-the-shelf products don’t cover. It is built for small and mid-sized businesses in the Netherlands, Germany and Italy, and for companies from outside the EU that do business in Europe. You start with an AI Process Audit of 1,250 euro excluding VAT. After that, each phase of the build has a fixed price, and what is built specially for you becomes yours once the invoices are paid.
- Sole proprietorship
- Riparbella near Pisa, Italy
- Custom software for NL, DE and IT
- Works in English, Dutch, German and Italian
When to go custom
When is custom better than off-the-shelf software?
Custom software pays off when off-the-shelf software doesn’t fit your work and you lose time to that every day. Off-the-shelf software is made for the average business. If yours works differently, you end up working around it.
A spreadsheet that carries half your business
One file full of formulas that someone built years ago. When that person leaves, the knowledge leaves with them.
Programs that don’t talk to each other
Your online shop has the order and your accounting system doesn’t. So someone retypes it from one screen into the other, every single time.
Software that dictates how you work
You do things the long way round because the system insists on it. Over time everyone gets used to steps nobody needs.
If off-the-shelf software suits your business, we recommend it, and the AI Process Audit report says so. It will also tell you to build nothing if that is the best option.
What you get
What is
custom software?
Custom software, also called bespoke software, is a program built for one business. It follows the steps and the words your team already uses. You keep the software that works well, such as your accounting package.
Your steps, your words
First we map how the work runs today. Screens and buttons are named the way your team names them. Fields you don’t need are left out.
How a project runsConnects to what you already have
The tool talks to your accounting system, your online shop or your customer database (CRM), for example Xero, QuickBooks or Shopify. Anything already in those systems never has to be typed in twice.
Integrations with your current systemsGrows with your business
The tool changes as your work changes. When a step or an exception is added, we build it in.
How maintenance worksThe code becomes yours
After the final payment, the code we wrote specially for you is yours. On our own standard components you get a perpetual, transferable licence, so you’re not tied to us.
Ownership in the termsWhat it costs
What does custom software cost?
A larger custom software project at Diginesso starts with an AI Process Audit of 1,250 euro excluding VAT. For a small job we decide together whether you need one. What the build then costs depends on the job: a small tool for one task is very different from a system that runs your whole production. That is why no price is listed here. The report tells you, per opportunity, roughly what the build costs.
First contact
Free
Tell us in a few sentences which part of your work your current software doesn’t handle. Wesley replies personally within one working day.
AI Process Audit
1,250 euroexcl. VAT, usually 1 to 2 weeks
We map how the work runs now and calculate what each opportunity is worth. If the build assignment is agreed within 3 months of the report date, the full amount comes off the first invoice of the build.
If the report names no opportunity whose calculated benefit over twelve months exceeds 1,250 euro, you get your money back. An email is enough, up until you approve the report. The report counts as approved if we hear nothing from you 14 days after sending it.
Build
Fixed priceper phase, agreed in advance
After the audit, each phase has a fixed price, agreed before it starts. Anything added along the way is priced separately before work on it begins.
Maintenance
Fixed amountper month, one month’s notice
We monitor the software and fix anything in it that breaks, at no extra charge. Extensions, and work caused by changes you make in your own systems, are agreed separately. You pay for hosting, the database and any AI model usage yourself, on your own accounts.
Everything we agree is set out in the terms of business. Updated 28 September 2026.
How we build
First we look at how you work.
Then we build.
We build custom software in four phases. After each phase, you decide whether we carry on.
A large system is built in pieces
Each piece goes through the same phases. That way you’re already using the first part while we build the next.
Extra work only once you say yes
Work outside the agreed phase starts only once its scope and its price are on paper.
- 1 to 2 weeks
AI Process Audit
We sit with the people who do the work and see where it gets stuck. The report lists the opportunities, ranked by what they are worth.
- 2 to 4 weeks
First version on your data
We build the part that takes up the most time, using your own data. Before we start, we agree the score it has to reach, for example how many job sheets go through without retyping. If it falls short, we stop and you pay only for this phase.
- 2 to 6 weeks
Live and monitored
We finish it so it handles the exceptions as well, and set up monitoring. Every login to the system is recorded in a log.
- ongoing
Growing with you
We keep the software running for a fixed monthly amount. Every extension is priced up front.
Example
What it can look like
Invented example, not a clientA heating and plumbing firm that runs on a shared spreadsheet
The firm schedules its work in a shared spreadsheet and uses three separate apps alongside it. The fix is one program for scheduling, job sheets and invoices, linked to the accounting system.
This firm does not exist.
Secure and European
Where is your data stored?
In the standard setup, your database and files are stored in Frankfurt, and so is the application itself. Emails the software sends go out from Ireland. If the software uses AI, you choose the model yourself. With a European model, your data stays inside Europe.
All suppliers and regions at a glance- Your database and files
- Frankfurt, Germany Supabase
- The application
- Frankfurt, Germany Vercel
- Emails the software sends
- Ireland Resend
- The AI model, if used
- Your choice, including European by agreement
Supabase, Vercel and Resend are American companies with servers in Europe. An all-European setup is also available. The software can also run on your own server or with a hosting provider you choose. In that case you pay for the server and its management yourself.
Who builds it
You email the person who builds the software.
I’m Wesley Beerendonk. I’m from the Netherlands and live in Riparbella, a village near Pisa. Diginesso is my sole proprietorship. I build the software myself and keep it running afterwards. For specialist work, such as data analysis or design, I work with specialists, and you’ll know in advance who is involved. I work in English, Dutch, German and Italian.
What I can offer is this: after each phase, you decide whether we carry on.
More about WesleyQuestions
Frequently asked questions about custom software
What does custom software development cost?
Custom software development at Diginesso starts with an AI Process Audit of 1,250 euro excluding VAT. The report states, per opportunity, roughly what the build costs. The build itself has a fixed price per phase, which you know before the phase starts. The total depends on the job: a small integration is a different thing from a system your whole business runs on.
Does custom software work for a small business too?
Yes, custom software works for a small business too. It can be one tool that removes the retyping, or a system for several departments. The AI Process Audit report tells you whether it pays off.
When is custom software better than off-the-shelf software?
Custom software is the better choice when you have to bend your business to fit the software, or when you keep retyping data between separate programs. If an off-the-shelf product fits well, we recommend it.
Is custom software worth the investment?
The return on custom software is calculated per process in the AI Process Audit. As a general guide, a two-hour task can sometimes come down to about ten minutes, and payback usually lands between 3 and 6 months. These are not figures from Diginesso clients.
How long does it take to build custom software?
A first part is usually running after 5 to 12 weeks. The AI Process Audit usually takes 1 to 2 weeks, the first version on your own data 2 to 4 weeks, and finishing it 2 to 6 weeks. We build a large system in pieces that each go through these phases. If something is added along the way, the schedule moves with it and you hear about it straight away.
What if the first version does not work?
If the first version does not meet the target we agreed beforehand, we stop and you pay only for that phase. The target is written down before we start.
Who owns the software when it is finished?
What we build specially for you becomes yours once the invoices are paid. That covers the source code, the integrations with your own systems and the documentation. Our own standard components remain ours, but you get a perpetual, transferable licence to use them, so you can carry on without us.
What happens to the software if Wesley is no longer around?
The software keeps running if Wesley is no longer around, because the hosting and database accounts are in your name. If we stop working together, you get the source code, an export of your database and the documentation within ten working days, so another developer can take over.
Which part of your work does no off-the-shelf software handle?
Describe it in a few sentences. Wesley replies personally within one working day, and you’ll know whether an AI Process Audit makes sense.