VB6 migration services

Don’t let legacy dictate the workflows – start your VB6 migration journey today!

20+

Years present

280+

IT specialists on board

+250

Clients served

VB6 systems are typically at the very core, carry years of custom business logic, and depend on integrations. VB6 conversion is therefore rarely simple.

Critical workflows, hard-to-tangle codebases – we handle the projects that require engineering excellence. Our goal is not just modernizing old software, but retaining what works and eliminating what slows you down.

orbit

Our VB6 migration process

  • VB6 migration project discovery
  • VB6 migration strategy planning
  • Environment preparation
  • Code conversion – we handle:
    – Code conversion by using AI tools for automation
    – Code refactoring to align with current best practices
  • Data access layer migration
  • API integration and management
  • Thorough testing
  • Application deployment
  • Post-deployment support and maintenance
  • Performance monitoring and optimization

Our VB6 migration projects

Abto Software – a mature, trusted partner – is assisting business leaders in transitioning outdated applications. A complete VB6 rewrite, a gradual VB6 translation, architecture refactoring, and introducing new components – no matter the complexity, we handle it all.

Belt-drive systems engineering toolkit

Belt-drive systems engineering toolkit

We assisted a manufacturer in ditching an outdated tech stack (VB6 & MATLAB modules, VBA & LISP plugins). We provided a range of services from analysis to documentation: VB6 to .NET migration, VBA and LISP rewrite, and everything in between.

Key benefits:

  • Lower license costs
  • Resolved runtime issues
  • Optimized employee training
  • Minimized maintenance costs

A dual-setup ERP migration to cloud

A dual-setup ERP migration to cloud

We assisted a retailer that struggled with upkeeping an outdated, VB6 coded ERP software with over 100 users. VB6 to .NET conversion, ERP transfer in two separate phases, a new, scalable architecture, and modernization – we handled every stage.

Key benefits:

  • Simple rollout of updates & features
  • Fewer issues
  • Higher stability during upgrades
  • Higher performance even with growing load
A dual-setup ERP migration to cloud

Hear from our clients

Ryan Fiorini
Ryan Fiorini linkedin
Co-Founder, CEO
https://blinkcns.com/

We had them on R&D projects we didn’t know how to move forward with. They not only created the work, it will be included in our patents. Abto turned our ideas into something tangible that we could use. We were so happy with their work that we decided to expand.

Christian Baumann
Christian Baumann linkedin

We rely a great deal on the IT services and expertise we receive from Abto. For us, it is one of our success factors to rely on a partner with a professional approach like Abto to be successful in our market segments.

Tony Clarey
Tony Clarey linkedin
VP of Business Development
https://euvic.com/

Abto Software meets the client’s expectations, and their end clients are satisfied with Abto Software’s work. They’ve established a personal relationship with the client that helps them resolve issues quickly. They maintain close communication with the client through Slack and in-person meetings.

Andreas Meier
Andreas Meier linkedin
Head of Product Development
https://enlotec.com/

We started to build a dedicated team in Lviv together with Abto Software 3 years ago. As a product vendor, we rely on resources that can build up knowledge about our products long-term. Abto was able to provide us with these services.

Philip Nussbaumer
Philip Nussbaumer linkedin
Head of Products
https://upgreat.ch/

Abto Software specialists developed a huge and extremely flexible SharePoint Client App for a Swiss customer providing various IT services, including the development of software based on SharePoint and its extensions.

The stack we’re using

Programming

Programming

  • ASP.NET Core
  • Entity Core
  • WCF
  • WPF
  • WinForms
  • Xamarin
  • Dapper
  • Hangfire
  • SignalR
  • NHibernate
Platforms

Platforms

  • .NET Framework
  • .NET Core/5/6/7
Cloud

Cloud

  • Azure Functions
  • AWS Lambda
  • Azure API Gateway
  • Amazon API Gateway
Deployment

Deployment

  • Azure Kubernetes
  • Amazon Kubernetes
  • Jenkins CI/CD
  • Docker containers
  • Azure App
  • Amazon EC2

Say goodbye to limitations

We level-up your operations
cta image1 cta image2

We migrate VB6 applications no matter the complexity

The leaders still relying on original VB6 applications are looking at migrations that are both slow and expensive. And here’s the catch: a complex VB6 application isn’t moved with shortcuts (at least not without security risks) – just using a tool is not even up for discussion.

That’s why we go for governed AI automation: we optimize the routine and prioritize the much trickier aspects. A combination of advanced AI capabilities with expertise we gained over decades.

But what’s the benefit?

  • Shorter timelines
  • Cut expenses
  • No downtime
  • And less human error
Seems like you found your partner Contact us

Why modernizing VB6 applications is best when outsourced?

Why can’t your internal IT department get the work done if there are tools for that?

  • Business context: AI struggles to grasp full context of legacy VB6 code, which means code partiality
  • Coding guidelines: AI might not adhere to established coding standards
  • Overseen errors: if not properly tested, AI code might introduce new bugs or replicate existing issues
  • Weak security: if not carefully guided, AI might also introduce security vulnerabilities
Talk to an expert Submit request
Why us

Why us

Broad recognition

Our company, Microsoft Solutions Partner, has been repeatedly nominated and awarded by reviewers including Clutch, Techreviewer, TopDevelopers, Selected Firms, Design Rush, and other well-known platforms.

Happy clients

Moving further, some statistics turning heads: most clients, to be precise, 94%, would work with us once more (don’t take our word for it – check out our stellar Clutch rating).

VB6 & .NET expertise

  • VB6 to .NET migration
  • VB6 to C# migration
  • Application re-engineering
  • Application re-architecting
  • Automated migration, data migration and integration
  • Software migration to IaaS/PaaS/SaaS

AI expertise

  • VB6 & COM proficiency
  • .NET expertise
  • Prompt engineering
  • LLM expertise
  • SOLID & DI knowledge
  • Blazor experience, and more!

The reasons to migrate VB6 systems

1

Bad performance will cost you big

Visual Basic was built for a different world, and this detail always impacts modern-day business environments. Delays, crashes, manual workarounds, draining maintenance – these steal away both your time and money.

2

Limited growth

Visual Basic wasn’t designed to handle modern demands for growth – legacy programs just can’t keep up. Forget about new features.

3

Security vulnerabilities

Another point to consider: outdated technology, in particular VB6 applications, are a sought target for hackers. Without resource-intense, consistent measures, your information is exposed.

4

No compatibility – no progress

If you are planning to integrate modern tools and platforms to expand your opportunities, VB6 won’t let you. The already outdated architecture will create endless roadblocks.

The benefits of migrating VB6 systems

Higher performance

Higher performance

Stop babysitting slow applications – upgraded software runs faster and handles higher workloads with ease.

Expanded functionality

Expanded functionality

Your applications shouldn’t hold you back – move beyond with features that adapt to your business ambitions.

Improved security

Improved security

By migrating, you get to access modern protocols to keep your systems locked down tighter than Fort Knox.

Better compatibility

Better compatibility

By adopting modern platforms, you let your systems work across different environments without tantrums.

FAQ

The cost isn’t one-size-fits-all, it’s a whole combination of factors – size, complexity, the level of modernization. Are you simply revamping your applications, adding functionality, or redesigning?

Before migrating from VB6, make sure to understand your goals.

Your future project’s timeline, as well as cost, can vary very widely in accordance to different project attributes. A smaller, simpler application might take you months, while complicated, business-critical systems could stretch up to a year or more.

Successful migration from VB6 might take from months to years.

VB6’s outdated, slow, unreliable, and riddled with limitations, which restrain business performance and growth. When migrating, you leverage higher performance and efficiency, modern functionality, security, compatibility, and more.

Read more:

To achieve guaranteed success, work with VB6 migration partners possessing the expertise.

Your roadmap could look like this:

  • Step 1: assessing your VB6 application – what works, what doesn’t, and what needs modernizing
  • Step 2: defining your business objectives – new features, cloud readiness, maybe stability?
  • Step 3: planning entire VB6 strategy
  • Step 4: start modernizing – rewrite, re-platform, whatever makes more sense 
  • Step 5: testing extensively
  • Step 6: and deploying!

There is no direct one-to-one replacement – most move to modern, supported technologies (.NET ecosystem). This shift is about better performance, flexibility, scalability, long-term support and maintenance, and security while aligning with current best practices.

The project always starts with assessment of the VB6 codebase: architecture, dependencies, logic, integrations. Up next: a governed automated conversion of the basic parts (by using automated tools), manual refactoring, and standard next steps from deployment to optimization.

AI supports VB6 migration by automating the analysis and translation of code into modern .NET equivalents. That involves parsing syntax, identifying patterns, and generating target code while preserving the structure.

AI solutions also perform COM mapping, API flagging, and other routine tasks, which typically prolong projects.

AI tools worth mentioning:

  • VB Migration Partner by Code Architects
  • Visual Studio Upgrade Assistant by Microsoft
  • Visual Basic Upgrade Companion by Mobilize.Net
  • And others

But which Visual Basic migration assistant will suit your goals will depend on existing business logic, data types, and other key features.

  • Healthcare providers with large data systems who prioritize HIPAA compliance
  • Financial institutions who must strictly follow regulatory guidelines
  • Government agencies who need maintainable architecture
  • And any large enterprises with legacy VB6 systems
  • Way faster code translation and refactoring
  • Sensibly less manual effort and labor costs
  • Continuous integration
  • Scalable execution across large, complex codebases

Contact us

Tell your idea, request a quote or ask us a question
We take ownership to make it a success — because we build what we’re proud of.
Yuriy Kapkovskyy linkedin
Chief Sales and Marketing Officer, Co-owner