Professional Excel VBA development

Custom macros and maintainable Excel applications built for business-critical work—not just a quick recorded macro.

VBA Development for Real Business Workflows

We design, build, debug, and improve Excel VBA solutions ranging from focused productivity tools to full applications. That includes workbook and worksheet automation, user forms, Ribbon interfaces, add-ins, custom functions, data validation, reporting, and automation across Outlook, Word, PowerPoint, and Access.

Our developers work with both new and legacy code. We can take over an undocumented workbook, diagnose an intermittent problem, modernize a slow application, or turn a prototype into a solution suitable for wider deployment.

VBA Services

  • Custom macros, functions, classes, and user forms
  • Ribbon-enabled Excel add-ins and reusable tools
  • Legacy VBA repair and modernization
  • Performance tuning and error handling
  • Office application automation
  • Deployment, documentation, testing, and training

Code Other Developers Can Understand

A useful VBA solution must do more than work once. We emphasize clear structure, consistent naming, predictable error handling, testing, and appropriate documentation so the application can evolve with the business.

Have code already? Our VBA code review and audit service can identify risks and a practical improvement path. Need automation beyond VBA? See our broader Excel automation services.

New builds
Purpose-built VBA tools based on defined workflows and requirements.
Existing systems
Debug, extend, document, and stabilize important workbooks.
Team ownership
Training and support that reduce dependence on one person.

Experienced Excel Specialists

Data Automation Professionals was founded by two Microsoft Excel MVPs with extensive enterprise Excel, VBA, and SQL Server experience. Our wider team adds interface design and experience across many programming languages and Microsoft technologies.

Frequently Asked Questions

Can you work with our existing VBA code?

Yes. Existing code can be repaired, extended, reorganized, or selectively replaced based on its condition and your goals.

Will we receive the source code?

Project ownership and delivery requirements are agreed before development. Tell us what your internal support or governance process requires.

Can you train our team to maintain it?

Yes. We provide solution-specific handoff as well as formal corporate Excel and VBA training.

Discuss Your VBA Project

Describe the workbook, the process it supports, and what you want to build, fix, or improve.