Custom software development
Whatever your custom software needs
Whether you're planning a completely new business system, extending an existing application, integrating multiple systems, or looking for a long-term software development partner, we can help through a Fixed Price Project or Continuous Monthly Development.
What we build
Web applications
Custom web-based systems for internal business processes, client portals, booking systems, dashboards, and specialized workflows. Built on ASP.NET Core, Laravel, or using Node.js, Python, and React.
Mobile apps
Native iOS and Android apps, or cross-platform apps using React Native or .NET MAUI. For client-facing applications, internal tools, or companion apps to web systems.
Custom plugins and extensions
Extend existing platforms, WordPress plugins, Magento extensions, Shopify apps, Umbraco packages, Microsoft Office add-ons. Add functionality without rebuilding the entire system.
Business systems
CRM systems, inventory management, POS systems, booking platforms, custom ecommerce, workflow automation, and other custom business software applications.
System integrations
Connect disparate systems, ERP to ecommerce, CRM to marketing automation, legacy systems to modern platforms.
Custom software support and Continuous Monthly Development
Send tasks whenever they arise. With Care, everything runs in writing at one fixed monthly price: no estimates to approve, no cost overruns.
Care Plus gives you everything in Care at its own fixed monthly price, plus up to two hours of meetings per month with a Project Manager or any 1902 Software expert (for planning, advice, and technical discussion), up to two ongoing tasks at a time, and up to two developers working on your tasks at the same time.
Care Ultimate is for ongoing engagements, often across multiple systems, that need close collaboration: a fixed price for every task or group of tasks, approved by you before work begins, people with the right expertise added to your project as your needs grow, and meetings with any 1902 Software expert whenever you need them (billed at the going project management rate for the actual time spent).
Typical work includes:
- Bug fixes
- New functionality
- Workflow improvements
- User interface improvements
- Performance optimization
- Security improvements
- Database optimization
- API development
- System integrations
- AI implementation
- Agentic AI solutions
- Technical advice
- Ongoing software support
Fixed Price Projects
For a single, well-defined software project (a new build, a major upgrade) you get one agreed price for the whole thing, fixed before work begins.
Typical projects include:
- Business systems
- Client portals
- Internal applications
- Workflow automation
- AI applications
- Agentic AI solutions
- Digital transformation initiatives
- Large integrations
Large projects typically start with a Project Scoping phase at an agreed, prepaid fixed price. The purpose is to precisely define what will be built and to establish the final price. This ensures full clarity for both you and us before development begins.
Taking over existing software
Many of our clients originally worked with another software development company.
We regularly take over existing business systems, client portals, internal applications, and custom software solutions, review the existing implementation and continue development with minimal disruption to your business.
Consulting & advisory
Many custom software projects begin long before development starts.
We regularly help businesses evaluate ideas, review existing software, solve technical challenges, define requirements, and plan future software projects before development begins.
This often becomes the foundation for a successful Fixed Price Project.
How we use AI in our work
Our developers, designers, testers, and project managers use modern AI-assisted tools for planning, design, development, and testing. This results in higher quality and faster delivery. Every solution is still thoroughly reviewed, tested, and verified by experienced software developers and testers before delivery.
When do you need custom software?
Highly specialized requirements
Off-the-shelf systems handle common use cases. When your requirements are unique to your business or industry, bespoke software development makes sense.
Established workflows
Every new system has a learning curve. Custom software adapts to your existing processes instead of forcing your team to learn new workflows.
Extensions to existing systems
Sometimes you don't need a complete custom system, just specific features added to existing software like Office applications, CMS platforms, or ecommerce systems.
Better long-term cost
Custom development costs more upfront than buying off-the-shelf software. But if you'll need extensive customization anyway, or subscription costs compound over time, custom development can be more economical long-term.
Internal applications
Custom software is more common for internal tools than client-facing systems because internal requirements are typically more specialized.
Off-the-shelf vs custom: the decision
Off-the-shelf software wins when a proven product already fits your process: it's faster and cheaper, and we'll tell you when that's the case. Custom software wins when your process is your competitive advantage, when off-the-shelf tools force awkward workarounds, or when licensing costs for a large team exceed the cost of building exactly what you need. We help you make this call honestly before any development begins.
Technologies we work with
We choose technology based on your requirements, existing infrastructure, and long-term maintainability, not what we happen to prefer.
ASP.NET Core
Microsoft's modern web framework for building high-performance, cross-platform applications. Runs on Windows, Linux, and macOS. Excellent for enterprise applications with complex business logic and a natural fit for organizations with existing Microsoft infrastructure.
Laravel
Modern PHP framework for rapid web application development. Expressive syntax, robust ecosystem, built-in authentication, and database tools. Strong community support ensures long-term viability.
Node.js
JavaScript runtime for building fast, scalable network applications and APIs. Event-driven architecture handles concurrent connections efficiently. Ideal for real-time applications and microservices.
Python
Versatile language for web applications, data processing, and AI integration. Frameworks like Django and Flask provide solid foundations. Particularly strong for applications involving data analysis or machine learning.
React
Frontend library for building interactive user interfaces. Component-based architecture paired with backend technologies to create responsive web applications.
Legacy PHP frameworks
We maintain and support applications built on CodeIgniter, Phalcon, and older Laravel versions. We provide security updates, bug fixes, and gradual migration paths to modern stacks.
.NET MAUI
Cross-platform mobile development for iOS and Android using C#. Share code between platforms while maintaining native performance.
Native iOS and Android
Platform-specific development when you need maximum performance or platform-specific features that cross-platform frameworks can't access.
Databases
MySQL, Microsoft SQL Server, PostgreSQL, Azure Cosmos DB, and MongoDB. We work with both relational and NoSQL databases, selecting the right solution based on your data structure, scalability requirements, and performance needs. From traditional MySQL setups to globally distributed systems handling millions of records, we match database technology to your application's demands.
Development process
Every project moves through the same disciplined loop: requirements and planning with your Project Manager, design where the interface matters, development in testable increments, QA by our in-house testing team, and deployment to staging for your review before anything reaches production. You follow progress in our project management system throughout. See our Development Process page for the full picture.
Ongoing support
After launch, the same team that built your software supports it, typically through Continuous Monthly Development: bug fixes, improvements, new features, security updates and monitoring. Every plan includes the Monthly System Check, a report on the 1st of every month covering your framework version, package vulnerabilities, and configuration, among others; read about it on our Monthly System Check page.
AI capabilities in custom software
We build AI into custom software where it earns its place: agents that take action in your workflows, intelligent search and retrieval over your own data, document processing, personalization, and integrations with modern language models. A live example: WriteText.ai, our own product, handles all of its client support through an AI voice agent visitors simply talk to. See our AI Development page for more.
Ready to discuss your custom software project?
Whether you’re planning a new custom software solution, improving an existing application, integrating multiple systems, or looking for ongoing software development and support, we’d be happy to help.
Book a meeting and we’ll help you determine whether a Fixed Price Project, Continuous Monthly Development, or a combination of both is the right approach for your project.
Free, no-commitment
Commonly asked questions
Do you provide ongoing support for custom software?
Yes. Continuous Monthly Development is our primary service for ongoing support and continuous improvement of custom software solutions.
Can you take over software developed by another company?
Yes. We regularly take over business systems, client portals, and custom software developed by other software development companies and continue development with minimal disruption to your business.
Do I need custom software, or will off-the-shelf work?
If an existing system meets 80% or more of your requirements, is well maintained, and implementation costs are reasonable, off-the-shelf is usually the better starting point. Custom software makes more sense when no existing system covers your core requirements, your processes are unique competitive advantages, or long-term subscription costs would exceed the cost of building custom. We help you evaluate this decision honestly, sometimes the right answer is off-the-shelf with minor customization.
What types of custom software do you build?
We build web applications, native and cross-platform mobile apps, custom plugins and extensions for existing platforms, business systems like CRM and inventory management, and system integrations connecting disparate platforms. The scope ranges from small plugins extending existing software to large enterprise business systems built from the ground up.
How do you use AI in your development work?
AI-assisted, human-verified: every solution is thoroughly reviewed, tested, and verified by experienced software developers and testers before delivery.
Do I own the code after the project is complete?
Yes. You receive the full source code for all custom development work. Some projects use third-party libraries, UI component libraries, specialized tools, or premium packages, which is standard practice in modern development. If you move to another developer, you may need to license certain third-party components yourself, but the custom code built for your project is yours.
Can you take over custom software built by another developer?
Yes. We assess existing systems, document the codebase, and provide ongoing maintenance, enhancements, and optimization. The developers who take over your system learn your business logic and code structure, so they can respond quickly to issues and continue development effectively.
What AI features can be built into custom software?
We can integrate intelligent automation, natural language processing, predictive analytics, computer vision, recommendation engines, and conversational interfaces directly into custom software. These are tailored to your specific business problem, not generic add-ons. If you have an idea for how AI could solve a problem in your organization, we can evaluate whether it’s feasible and how to implement it.