Custom software development for businesses
We provide custom software development for businesses: web applications built around your processes. We run the whole project ourselves. Conetso Software is the software development team of Conetso Group, which looks after the infrastructure, so your application comes with a server and backups.
When off-the-shelf software is not enough
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Packaged software does not fit the process
Your team works around the software's limits with spreadsheets and email. We build the application around your process and agree the scope during the consultation and requirements analysis.
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The same data is typed into several programs
Staff copy information between systems by hand, and some of it gets lost. Your application can connect to payments, notifications and other software through APIs.
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A product idea that needs testing
You are building your own platform and want to show it to customers. We help you scope a minimum viable product (MVP) and grow it in stages, which lowers the cost of getting started.
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Nobody looks after the application after launch
Someone has to take care of the server, updates and backups. We maintain the applications we build, and can take over ones built by other companies, priced individually.
Services
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Web applications for businesses
We build systems for handling orders, quotes and purchases, with separate portals for clients, staff and managers.
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Online booking systems
Clients book appointments online, staff manage the schedule, and the system sends email and SMS confirmations.
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SaaS platforms and MVPs
We build first product versions (MVPs) and SaaS platforms with user accounts, subscriptions, payments, licences and APIs.
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Application maintenance and development
On a monthly plan, we add new features, install security patches and look after the server. Response times are set out in an SLA.
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System integration
We connect CRMs, invoicing, online payments and industry systems, so nobody has to retype data by hand.
Integrations with other systems
Most applications need to take payments, send notifications or exchange data with other software. We discuss integrations in the very first consultation, because they shape the scope and the price. Examples from our projects and the way we work are described on our system integration page.
Technologies
We build interfaces in Next.js, React and TypeScript, and backends in .NET or Node.js with a PostgreSQL database. We deploy applications to AWS, Microsoft Azure or Google Cloud, run them in Docker containers and Kubernetes clusters, and describe the infrastructure as code (Terraform, AWS CDK). We also add features based on AI models. The full list, with a description of each group, is on our technologies page.
What we do
- Free process and requirements analysis, a recommended approach and a quote with a schedule
- Server and infrastructure requirements for your application
- Wireframe or interface design, refined together with you
- Web applications with separate portals for different user roles
- Integration with online payments, email and SMS notifications and other systems through APIs (application programming interfaces)
- Testing every feature, with a test version to try out and send us change requests
- Installation on a server with your domain and an SSL certificate
- Training for your team, maintenance and new features over time
Who it is for
- Off-the-shelf software does not fit your process, or only works with spreadsheet and email workarounds
- You want clients, partners or staff to deal with you through one browser-based system
- Phone bookings or retyping data take up too much of your team's time
- You are building your own digital product and need a first version to show to customers
- You have an application in production, perhaps built by another company, and need someone to look after the server, backups and fixes
- Your company is based outside Poland, and you want the project run remotely
Your application comes with a server
Our developers work in the same group as the Conetso Group system and network administrators. We define the server requirements together with the application requirements, and the administrators take over the server and its security. When something fails, nobody has to work out whether the problem lies with the application or the server.
- Server chosen at the consultation stage
- Installation on the target server with your domain and SSL certificate
- Database backups after launch
A smaller first version, then development in stages
We often advise starting with the features your process cannot run without. Further features come after launch, once real use shows what is missing. Starting this way lowers the cost and lets you test the idea with your first users.
- First version with the features that pay off fastest
- Further features in later stages
- Payment spread across the stages
Looking after your application after launch
After launch, we can take over maintenance of the application. We look after the server, updates, backups and security, and add new features within a set number of hours each month.
- Monthly plan with a set number of hours each month for development
- Guaranteed response time for failures, set out in a service level agreement (SLA)
- Work outside the plan billed by the hour
How we work
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Consultation with the team
You describe the problem or send us your requirements. We review them with our developers, recommend an approach and quote for it. We also tell you what infrastructure the application needs.
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Signing the contract
Once we have agreed the details, the timeline and the financial terms, we sign the contract.
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Interface design
Based on the functional requirements in the contract, we prepare a wireframe or an interface design. We go through it with you and make changes before any code is written.
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Building the application
Our developers build the application within the deadline set in the contract, using the technologies behind our past projects, including Next.js, .NET and PostgreSQL.
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Testing and fixes
We check that every feature works as it should. You get access to a test version to review.
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Deployment, training and support
We install the application on the server, connect the domain and set up an encrypted (SSL) connection. We configure database backups, train your team and provide support.
Pricing
We prepare the quote after the requirements analysis, and it also includes the cost of maintaining the application after launch. Hosting, third-party service fees (such as Stripe or an SMS gateway) and licences are not included in the project price.
- Web application or business system
- Price depends on: number of roles and screens, integrations with other systems, online payments.
- Online booking system
- Price depends on: number of calendars and services, email and SMS notifications, connections to other systems.
- MVP or SaaS platform
- Price depends on: scope of the first version, subscriptions and payments, admin panel.
- Application maintenance and development
- Price depends on: server and hosting, backups, required response time (SLA), set number of development hours each month.
- Integration with an external system
- Price depends on: the other party's API documentation, volume of data exchanged, scope of testing.
Experience
- Our projects include an online booking system for scans at a private clinic, the Offer Exchange SaaS platform for business purchasing, the Service Quotes application for B2B service orders and the INVENTA Licenses system for managing VR application licences.
- We continue to develop and maintain most of the systems we have built for our clients.
- We work with clients in Poland and abroad.
Case studies
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MRI appointment booking system
Online booking for MRI scans at a private clinic. Patients choose their own appointment slot, and clinic staff manage the appointments.
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Offer Exchange
A SaaS platform for business purchasing: requests for quotation, quote comparison and orders, with a free plan and paid subscription plans.
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Service Quotes
An application for a service company with business clients. It handles orders, staff assignment, itemised billing for completed jobs and online payment.
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INVENTA Licenses
A system for managing users and licences for VR applications used in staff training, with portals for clients, distributors and administrators.
Frequently asked questions
How much does custom software cost?
We do not have a price list, because every system has a different scope. We give you a price after the requirements analysis, for a specific scope of work. The biggest factors are the number of roles and screens, integrations with other systems, online payments, notifications and the admin panel. You can lower the cost by starting with a smaller first version and growing it in stages. Hosting and maintenance, third-party service fees such as Stripe or an SMS gateway, and licences are billed separately.
How does the quote work and how long does it take?
The initial consultation and requirements analysis are free of charge. In the consultation we learn about your process, and in the analysis we map out user roles, screens and integrations. On that basis we prepare a quote with a schedule. We usually send a quote within 2 business days, and within 5 at the latest. It sets out the features, the stages and the deadline for each stage.
How do you bill for a project?
Fixed price or time and materials, your choice. Payment in stages, and you can see the stages and their dates in the quote.
Who owns the source code?
Code ownership depends on the contract. We agree how the rights to the code are transferred before work starts, to suit each client. In many projects the client becomes the legal owner of the code.
How long does it take to build an application?
The timeline follows from the scope of the project. We agree it before signing and write it into the contract as the delivery date. You can follow progress as we go: first in the interface design, then in the test version.
We don't have a specification yet. Is that a problem?
No. A description of the problem or the process you want to improve is enough. In the consultation we ask about user roles, data and the other software you use, recommend an approach and only then prepare a quote.
Do you work with companies outside Poland?
Yes. We work with clients in Poland and abroad, fully remotely. That includes the consultation, the interface design review and the acceptance of the test version.
See also
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Conetso Group
Managed IT services
The Conetso Group team administers servers and networks, monitors infrastructure and runs backups.
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Conetso Group
Cybersecurity
Protection for the networks and servers your applications run on.
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Conetso Healthcare
IT for healthcare
HIS, RIS and PACS systems, networks and hardware for clinics and diagnostic centres.
From our blog
Software maintenance agreement: SLA, backups and updates
What to include in a software maintenance agreement for a web application: SLA, backups, updates, monitoring, access to code and ending the contract.
Stripe subscriptions in a SaaS application: how they work
A SaaS subscription is a whole payment cycle. Using Offer Exchange as an example, we cover subscription states, webhooks, SCA and renewals in Stripe.
What to include in an MVP: the first version of your product
An MVP is the smallest version in which a customer completes the whole process. Using INVENTA Licenses and Offer Exchange, we show what to include.