Services / Custom Software Development
Custom software built around your business
We design and build software around how your business works, streamlining your processes and growing with you. It replaces the spreadsheets and tools you've outgrown.
Overview
Problems we solve
Spreadsheet chaos
We bring your data into one system where it stays organised, accessible and up to date.
Repetitive tasks
We replace repeatable manual work with automated flows and integrations.
Poor information flow
We map and streamline your processes so information moves freely across the company.
Data errors
Automated systems cut the risk of mistakes and improve the quality of your data.
Systems that don't scale
We design flexible solutions that grow together with your business.
Costly processes
We simplify the processes that cost your business the most time and money.
Who it's for
You've outgrown spreadsheets
Manual files and disconnected tools can't keep up anymore.
The process is core to your business
It's how you make money – and generic tools force clumsy workarounds.
You need your tools to talk to each other
Your data sits in separate systems that don't connect.
You're planning to scale
You want software that grows with you – fully owned, no lock-in.
What can we build for you?
From a single internal tool to a full platform, we build software around your processes, data and goals.
Web applications
We build fast, easy-to-use web applications that support your team and your customers.
- Content management
- Custom forms & information flows
- User & account management
- Third-party system integration
- Real-time updates
Mobile applications
We build mobile apps for iOS and Android at once, cutting delivery time and rollout costs.
- iOS & Android from one codebase
- Access to phone features
- Offline mode
- Push notifications
Enterprise applications
We design enterprise applications that streamline your processes and save your team time.
- Process automation
- Data management
- Access control
- Reporting & data analysis
Turn a note into a post
Ready to publishGrateful for the opportunity to attend AI DevSummit 2026 in 🇩🇪 Berlin and co-host a session with our partner doubleuprompt and the people who made it click: Kamil & Michael. 🤝 Alongside supporting the event, I also recorded several interviews with industry experts (and welcomed the first guest on our podcast, Juliet 🎙️), gaining real insight into AI-driven software and the future of how we build. A great experience connecting with founders and seeing innovation in action. Excited for what's next! ❤️🔥 Huge thanks to the doubleuprompt crew 🤝 #AIDevSummit #SoftwareHouse #AI #Innovation #doubleucode
System integration & APIs
We connect the tools you already use and build the APIs that let your systems talk to each other.
- APIs for your systems
- ERP, CRM and third-party integrations
- Data migration & sync
- Secure sign-in and access
Legacy modernisation
We rebuild or extend ageing systems on a modern stack, without disrupting the business that depends on them.
- Step-by-step rebuild
- Data extraction & migration
- Connecting old and new systems
- UX & performance overhaul
- Switchover without downtime
gateway5/5
Not sure what you need to build? Tell us the problem – we'll help you scope the right solution.
Talk to us
Custom software across industries
Fleet & delivery management system
A custom platform to plan routes, track deliveries and manage drivers – replacing a tangle of spreadsheets.
Patient scheduling & records platform
A bespoke system for appointments, records and billing, built around strict access control and compliance.
Back-office platform for a fintech
An internal operations tool with approvals, audit trails and integrations to core banking systems.
Production & inventory system
A tailored system connecting the shop floor, inventory and orders in real time for a manufacturer.
Connected device & telemetry platform
A platform that shows the state of a whole hardware fleet in real time, with alerts and remote settings in one place.
Learning & student management platform
A tailored platform for courses, enrolment and progress tracking – connecting students, tutors and admins in one place.
One system for the whole company. It replaces the spreadsheets, inboxes and manual steps your team relies on today, in every location and on every shift.
What changed for our clients
We had an idea for online learning, but we were handling every student by hand. doubleucode built a platform where enrolments, progress and reports run themselves – we just teach. Paperwork that used to take two days is now done in fifteen minutes.
Pasjonaci IT
Learning platform for students
We design smart factories, so our own processes had to keep up. We got a system that ties production, inventory and orders into one place – no more ten spreadsheets and guessing where we stand.
Smart Factory Design
Production & inventory system
We came with an idea for an app that scans a business card and instantly tells you who you're talking to. The first working version was on phones in a few weeks – we tested it in real meetings before anyone else would have finished the brief.
Kardlyfy
Mobile app – business-card scanning & company insights
How our collaboration works
01
First contact
We check whether we can help you.
02
Online consultation
We look into the problem and propose a solution.
03
Project kickoff
Once you accept the terms, we start work.
Three ways to work with us
Pick the model that fits your project. If you're not sure, we'll help you choose.
How we prepare an estimate
Discovery
We talk through your business goals and agree together on what success looks like.
Scope and proposal
We define the scope of work and prepare a proposal with a plan and a pricing model.
Presentation and refinement
We walk you through the plan and refine it with your feedback.
Fixed price
Best for
- Projects with a clear scope
We agree the scope and price before we start, so you know the full cost up front.
Indicative price
Projects start at $8,000.
Time & materials
Best for
- Projects whose scope will change
You pay for the time worked and can change priorities at any point.
Indicative price
You pay only for the time worked, from $30 per hour.
Dedicated team
Best for
- Long-term product development
Our developers work only on your product, like your own team, without you having to hire anyone.
Indicative price
Billed monthly: one dedicated developer from $4,800 per month.
Not sure which model fits your project? Book a free consultation.
Frequently asked questions
Can't find your question here? Email us:
Ask a questionWhat is custom software development?
Software built around your processes, data and goals, so you don't have to bend your business to fit an off-the-shelf product. You get exactly the features you need and own the result outright.
When does custom software make more sense than off-the-shelf?
When off-the-shelf tools force awkward workarounds, won't integrate with your systems or can't scale with you. It pays off when the process is core to your business and a generic tool holds it back.
Do we own the code?
Yes. The software we build for you is fully yours, documentation included. We use widely adopted technologies, so you're never locked in to us.
Can you work with our existing systems?
Yes. Software delivers the most value when it works with the systems your business already relies on. We connect it to your existing tools and move your data safely. We'll go through the details in a free consultation.
What support do you offer after launch?
We provide ongoing maintenance, monitoring, new features and technical support, and can scale the system further as your business grows.
Is my data safe?
Yes. Data security is the foundation of every project we take on. We use proven cloud infrastructure and security best practices, and our solutions are GDPR compliant. We'll go through the details in a free consultation.
How can I be sure it will work for us?
Before we build anything, we learn how your business actually works. We show you prototypes early, so you can see the direction before the full system is built.
Will the investment pay off?
That's the goal of every project. We build what brings your business the most value first and don't add features for their own sake.
How long does it take to build?
It depends on the scope. Larger systems are rolled out in stages, so you can start using the first modules early. We'll agree the timeline together in a free consultation.
Do I need to be technical to use it?
Not at all. Most of our software is used by people with no technical background, so we design it to be easy for anyone. You also get clear instructions and hands-on support after launch.