Microsoft Office Add-ins
Development Services
We build professional-grade Office Add-ins and Google Workspace solutions designed for scale, security, and global distribution.
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.
Excel Add-ins Development
Custom Excel add-in development using Office.js, React, and TypeScript. We build enterprise-grade Excel automation tools, financial models, data analysis add-ins, and AppSource-ready solutions for Excel 2016 through Microsoft 365.
Outlook Add-ins Development
Custom Outlook add-in development for email automation, CRM integration, and calendar workflows. We build contextual Outlook add-ins using Office.js for Outlook 2016 through Microsoft 365 — AppSource-ready and enterprise-secure.
PowerPoint Add-ins Development
Custom PowerPoint add-in development for slide automation, branded presentation generation, and design system integration. We build Office.js PowerPoint add-ins for enterprise consulting, sales, and marketing teams — AppSource-ready.
SharePoint Add-ins Development
Custom SharePoint add-in development and SPFx web part development for intranet automation, document management, and enterprise portal solutions. Specialist SharePoint developers for Microsoft 365 and SharePoint Online.
Teams Add-ins Development
Custom Microsoft Teams add-in development — tab apps, bots, messaging extensions, and meeting apps built for enterprise collaboration workflows. Specialist Teams app developers for Microsoft 365.
Word Add-ins Development
Custom Microsoft Word add-in development for document automation, legal template management, and content generation. We build Office.js Word add-ins for law firms, consulting firms, and enterprise document-heavy workflows.
AI-Powered Office Add-ins
Integrate AI into Microsoft Office with custom AI-powered add-ins for Excel, Outlook, Word, and Teams. We build OpenAI GPT, Azure OpenAI, and Azure Cognitive Services integrations into your Office 365 environment.
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.
Google Sheets Add-ons
Custom Google Sheets add-ons for data automation, custom functions, and API integrations. Transform your spreadsheets into powerful business applications.
Google Docs Add-ons
Custom Google Docs add-ons for document automation, template management, and CMS integration. Streamline your writing and publishing workflows.
Gmail Add-ons
Custom Gmail add-ons for email automation, CRM integration, and contextual workflow tools. Streamline your inbox with professional Google Workspace solutions.
Google Drive Add-ons
Custom Google Drive add-ons for file management, workflow automation, and storage integration. Optimize how your organization stores, processes, and shares data.
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.
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.
Microsoft Ready
All our add-ins are developed following the official Fluent Design System and AppSourcecompliance guidelines.Request a security review.