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A Quality Software Development Company

Flexible ContractsProven track recordISO 9001 and ISO 14001Carbon Neutral

Your Software Development Company for Projects, Products, Resources, and IT Solutions

Gislen Software is a Software Development Company. We provide affordable, high-quality development and long-term support services to companies and organisations with mission-critical needs. We help our clients meet strategic business goals through sound technical solutions. We work closely with them to understand their needs, shape the right approach, build the solution, and support it over time. We provide a wide range of IT services.

Software for Businesses

Application development tailored to your business. Web and mobile systems that help your business run better and grow.

Product Development and SaaS Solutions

Products for organisations of all sizes across a wide range of sectors. ThisDedicated cloud solutions for specific product areas that can be licensed or resold.

Software Migration to Newer Technology

Move from older technologies to newer ones. Smoth and cost-effective transition. You get improved performance, better user experience, and security.

Systems Integration Service for Enterprises

Azure Integration Services, BizTalk, TIBCO, IBM, and other platforms. We provide blended services together with Epical Group for leading Swedish enterprises.

Software Development for Enterprises

Proven methods to design, build, and deliver custom software that helps your business move forward effectively.


Quality IT Services since 1994!

Gislen Software was founded in India in 1994. Mikael Gislén, a Swedish computer professional and businessman visited India in 1992. He saw India’s potential. His vision was to combine the best of Europe with the best of India. He brought European management and commercial experience. The Indian team brought IT skills, productivity, and cost advantages. Over time, this idea grew into a leading software development company. Today, our diverse team serves demanding clients around the world.

We work closely together with our clients. We use agile software development process. We are passionate about meeting agreed objectives. We are ISO 9001 and 14001 certified and a Microsoft partner. We know how to work with personal data according to the GDPR.

Our service areas includes:

  • Business and requirement analysis
  • Bespoke software development for web and mobile platforms
  • Business systems integration
  • Centres of excellence
  • User-centred design and user experience
  • Payment solutions
  • Collaborative economy initiatives.

We also offer a wider range of other IT services and support.

Highest creditworthness
ISO 9001 - ISO 14001
Microsoft Partner

Bridging cultures – Building quality

A Learning Organisation

We constantly improve

  • We believe curiosity and quality belong together: We encourage engineers to explore new tools and approaches. However, we only adopt what proves its worth in real projects. Every new idea is tested for maintainability, security, performance, and long-term support. Curiosity leads to dependable delivery rather than experiments in production.
  • A learning culture you can benefit from: We are a leading Software Development Company. We have built a culture where knowledge is shared openly and the way we deliver keeps improving.
  • Cross-cultural collaboration: We actively train our staff to work and communicate well across cultures. Our distributed teams stay aligned and productive.
  • Stability and continuity: Our attrition is low compared with what is common in our industry. This helps our clients keep momentum and retain valuable domain knowledge over time.
  • Depth of capability: Our team includes qualified IT engineers, architects, business analysts, and project managers. They covering the full path from discovery to delivery.
  • Shared expertise, not siloed knowledge: Clients benefit from the combined learning and experience of our whole team, not only the people assigned to one project.
  • Process and accountability: We combine agile ways of working with disciplined quality practices. This includes clear documentation, reviews, and structured handovers, so progress stays predictable and improvement becomes part of how we work.

Technology we use

  • Proven foundations: We build on long experience with platforms and languages such as .NET, Node.js, Python, C/C++, SQL Server, and established integration solutions.
  • Modern web and mobile delivery: We use React, React Native, Flutter. We also develop for native iOS and Android. We choose what best suits your needs, the product and our team.
  • Practical AI in delivery: We use the best AI tools to support analysis, development, testing, and documentation. They are treated as assistants and backed by engineering judgement, reviews, and quality controls to keep the output robust and maintainable.
  • Commercial cloud platforms: We build and run systems on the main public clouds our clients use. This includes Microsoft Azure, Amazon Web Services (AWS), and Google Cloud Platform (GCP). We focus on scalability, resilience, observability, and cost control.
  • On-prem, hybrid, and sovereign cloud: Where data residency, regulatory constraints, or sovereign cloud requirements apply, we support deployments in controlled environments, often European Linux-based estates, using Docker and Kubernetes, alongside private cloud and on-prem infrastructure with strong security controls, auditing, and operational discipline.
  • Mixed estates and phased modernisation: Many organisations need older and newer systems to coexist for years. We design integration patterns and migration paths that reduce risk, keep services running, and allow modernisation to happen in sensible stages.

Blended outsourcing

  • Blended outsourcing model: We have pioneered a blended outsourcing model, or distributed development. In this way we combine local and offshore expertise into one seamless delivery team.
  • Systems integration: We connect ERP, CRM, finance systems, data platforms, and partner APIs so information flows reliably from end to end. We work with Azure Integration Services, TIBCO, and IBM middleware, and support migration from BizTalk to Azure. We also build open-source and code-based integrations, including API-first and event-driven solutions, with monitoring and clear error handling.
  • Clear ownership and collaboration: We work with expert partners where it adds value, while keeping delivery coherent so roles, responsibilities, and decision paths remain clear.
  • Discipline in engineering: Our teams follow proven software engineering practices. We apply software quality assurance throughout the delivery life-cycle.
  • Testing that matches the risk: We combine manual testing, test automation, and performance testing to make sure each solution is reliable and fit for purpose.
  • Quality controls that hold up over time: Regular regression testing and thorough code reviews help us maintain high code quality. Careful source code handling supports integrity, maintainability, and long-term value.
  • Continuous improvement: We keep refining how we work so we can meet industry standards, reduce avoidable costs, and deliver systems that remain easy to improve.

Long-term client relationships

Our strong commitment to both clients and employees is one of the things that makes us different. We do not look at business as a quick transaction. We try to build trust over time. That is why many of our clients stay with us for years. In several cases, they have worked with us for a long time and continue to rely on us for important work.

The same applies to our employees. We want people to feel respected, supported, and part of something worthwhile. We know that a stable team matters. It helps us deliver better work, and it creates a better place to work. This is one reason why our attrition rate is among the lowest in our industry. Many people choose to stay with us because they find meaning, continuity, and good working relationships here.

We also believe that a company should take responsibility beyond its own business. We aim to be a responsible corporate citizen. That means we take business ethics seriously and try to do the right thing, even when it is not the easiest path. We also work to reduce our environmental footprint and to run our business in a thoughtful and sustainable way.

At the same time, we want our work to have a positive effect on society. Through Little Lambs School and other charitable efforts, we support people who need a fairer chance in life. For us, this is not separate from business. It is part of who we are and how we believe a company should act.

Flexible ContractsProven track recordISO 9001 and ISO 14001Carbon Neutral