Transforming Office Productivity
Through Custom Add-ins
Professional Microsoft Office and Google Workspace development services tailored to automate workflows and boost business efficiency.
Who We Are
MSOfficeAddin.com is a specialized development agency...
200+
Projects Delivered
98%
Satisfaction Rate
Why Choose Us
- Microsoft Technology Specialists
- Fast & Reliable Delivery (2-8 Weeks)
- Enterprise-Grade Security & Compliance
- AppSource Publishing Experience
- Transparent & Agile Communication
What We Do
Office Add-ins Development
Custom Microsoft Office 365 add-in development for Excel, Word, Outlook, PowerPoint, SharePoint, and Teams. Hire certified Office.js developers for enterprise automation, AppSource publishing, and VSTO migration.
Specialized Solutions
Google Workspace Add-ons
Custom Google Workspace add-on development for Sheets, Docs, Gmail, and Drive. Professional Apps Script and REST API solutions for Google Workspace automation.
Specialized Solutions
Authentication & Identity
Secure authentication development services including Microsoft SSO, Azure AD, OAuth 2.0, OpenID Connect, MFA, and role-based access control for web and enterprise Office 365 applications.
Specialized Solutions
AppSource Publishing Services
End-to-end Microsoft AppSource publishing and certification support for Office add-ins. We handle code review, manifest optimization, compliance validation, and submission — getting your add-in approved on the first attempt.
Our Delivery Process
A structured approach to turning requirements into enterprise solutions.
Discovery
Requirement gathering and workflow analysis.
Design
UI/UX wireframes and technical architecture.
Build
Agile development with modern tech stacks.
Deploy
Security audit and AppSource submission.
Support
Maintenance and feature enhancements.