Custom Add-in Development
Powerful MS Office custom add-in integration
Need something more bespoke? Our Custom Word addin developer and Custom PowerPoint addin developer teams build enterprise-ready solutions for Microsoft Office 365 – fast, reliable, and easy to adopt.
Enterprise Office Development Services
Whether you need a Custom MS Office addin developer for a full suite, a Custom Office 365 addin developer for modern deployment, or a specialist VSTO developer / VBA developer to modernize legacy automation, we can help.
Custom PowerPoint Add-in Developer
Build powerful PowerPoint automation solutions with ribbon integration, custom panels, and advanced features tailored to your workflow
Custom Word Add-in Developer
Create Word automation tools for document generation, template management, and content assembly with seamless integration
Custom Office 365 Add-in Developer
Modern Office 365 add-ins that work across desktop, web, and mobile platforms with cloud-based deployment
VSTO Developer Services
Enterprise-grade VSTO add-ins for PowerPoint, Word, Excel, and Outlook with full .NET integration capabilities
Development Capabilities
Comprehensive Office automation solutions for enterprise requirements
VSTO Add-ins
Native Windows add-ins built with Visual Studio Tools for Office, offering maximum performance and deep Office integration.
- Custom ribbon integration
- Task pane panels
- Document-level customization
- Enterprise deployment
MS Office 365 Add-ins
Cross-platform add-ins using modern web technologies that work across Windows, Mac, and web versions of Office.
- Cross-platform support
- Web-based architecture
- AppSource distribution
- Cloud integration
VBA to VSTO Migration
Modernize legacy VBA solutions with professional migration to VSTO or Office 365 add-ins for improved performance and maintainability.
- Code analysis & planning
- Feature parity migration
- Performance optimization
- User training & support
Custom Development Use Cases
Common projects include PowerPoint automation and Pitch automation, plus Factsheet automation, Tear sheet automation, and Investor deck automation – with robust PowerPoint to Excel links and Word to Excel links for live, trusted data.
Brand Asset Integration
Document Generation
Data Linking & Automation
Workflow Automation
Template Management
Compliance Controls
Reporting Solutions
Legacy Migration
Industries we serve
Custom Office development solutions for regulated and demanding industries
Private Banking
Investment Banking
Asset Management
Advisory & Consulting
Law
Corporate
Insurance
Design & Branding
Discuss Your Custom Development Project
One simple system to create accurate, on-brand content fast
SummAxis Tools
Unique, user-friendly tools for delivering perfect presentations and compliant documents through MS Office.
SummAxis PitchPortal
An online brand portal with powerful search and the ability to pull-in design assets directly to MS Office
SummAxis Connector
A pop-up panel in PowerPoint and Word that links directly to your design assets portal.