Productivity
Automate tasks inside Word, Excel, and Teams without switching apps.
Plug-in & Integrations · Microsoft Copilot Extensions
Empower your team with Custom Copilot Extensions.
Extend Microsoft 365 Copilot with custom enterprise data. We build secure, compliant Copilot extensions that let AI interact with your internal APIs, databases, and proprietary systems.
Copilot custom plugins
Graph API integration
Teams AI extensions
Message Extensions
Declarative Copilots
10x
Faster workflows
AI-driven task completion.
100%
Secure
Enterprise data compliance.
M365
Native
Runs inside Word, Excel, Teams.
Custom
LLMs
Bring your own models.
Why MetaDesign
Copilot Extension Experts
We integrate your proprietary data with Microsofts AI.
Teams shipping with MetaDesign
EXTEND.
AUTOMATE.
INTEGRATE.
SCALE.
Enterprise Search
Query internal databases directly from Copilot prompt.
Legal Drafting
Copilot drafting contracts using proprietary firm templates.
Financial Summaries
Summarizing live ERP data inside Teams.
IT Helpdesk
Automated ticket resolution via Teams Copilot.
Our Approach
Microsoft Copilot Extensions: Our Proven Process
01
Map
Identify high-ROI workflows for Generative AI automation.
02
Design
Design prompts, message extensions, and Adaptive Cards.
03
Build
Develop using Teams Toolkit and Bot Framework.
04
Test
Validate LLM responses for accuracy and hallucinations.
05
Deploy
Publish via Microsoft 365 Admin Center.
01
Map
Identify high-ROI workflows for Generative AI automation.
02
Design
Design prompts, message extensions, and Adaptive Cards.
03
Build
Develop using Teams Toolkit and Bot Framework.
04
Test
Validate LLM responses for accuracy and hallucinations.
05
Deploy
Publish via Microsoft 365 Admin Center.
Customer Value
Why build a Copilot Extension?
Unlock the full potential of Generative AI in M365.
Contextual AI
Give Copilot the specific context of your business.
Secure
Leverage Microsofts enterprise-grade security.
ROI
Massive time savings across all departments.
By the numbers
400+
Engineers worldwide
200+
Active clients
20yr
Pure-play software
94%
Client retention
Engagement models
Three ways to work with our Microsoft Copilot Extensions team.
Pick the shape that matches your risk and timeline. We will tell you which one is wrong for your situation — even if it’s the bigger one.
Microsoft Copilot Extensions Pod
A dedicated squad of senior engineers, tech leads, and QA delivering milestone-driven results with weekly demos and eval-gated merges.
- Dedicated engineering squad
- Weekly sprint demos
- Fixed monthly cadence
- Direct technical lead communication
Hire Microsoft Copilot Extensions Engineers
Senior specialized engineers embedded into your existing team within two weeks. Your stack, your tools, your standups.
- 2-week onboarding ramp
- Time-zone aligned collaboration
- Direct Git & Jira integration
- Flexible monthly contracts
Turnkey / MVP Build
Go from requirements to production-ready launch in 6–10 weeks with fixed scope, upfront pricing, and guaranteed delivery.
- Fixed-price & fixed-scope
- End-to-end architecture & build
- Complete source code ownership
- Post-launch warranty & support
FAQ
Asked first, every time.
Don't see yours here? Send us the question — a principal engineer will reply within 24 hours.
A Copilot Extension allows you to bring your external data, APIs, and business logic directly into the Copilot chat experience in Teams, Word, and Excel — enabling AI-powered workflows with your proprietary enterprise data.
Yes. Microsoft Copilot respects all existing Microsoft 365 tenant boundaries and permissions. Your data is not used to train foundational models, and we implement Zero Trust architecture with granular Graph API scopes.
A typical Copilot plugin MVP takes 4 to 8 weeks depending on complexity. Simple declarative copilots can be ready in 2 weeks, while full custom extensions with API connectors and Adaptive Cards may take longer.
A Declarative Copilot uses Microsoft's own LLM with your instructions and data sources. A Custom Engine Agent lets you bring your own model (e.g., Azure OpenAI GPT-4o) for full control over reasoning. We help you choose based on your compliance and cost requirements.
Yes. We build secure API plugins and message extensions that allow Copilot to query your CRM, ERP, HRIS, or any REST API — all within the Microsoft 365 security boundary using Graph API connectors and Azure AD authentication.
End to end. We handle Teams Toolkit development, testing, Microsoft 365 Admin Center publishing, and user rollout. We also prepare documentation for your IT team's app governance review.
Yes. A well-architected Copilot extension surfaces as a message extension in Teams and can be invoked contextually in Word, Excel, and PowerPoint — providing consistent AI assistance across all M365 applications.
We offer fixed-price and dedicated-team engagement models. Costs depend on the number of data sources, complexity of the AI logic, and Adaptive Card UI requirements. Microsoft 365 Copilot licensing is a separate prerequisite managed by your IT team.
Ready to build your Copilot extension?
Tell us about your project. We'll come back with a plan, a timeline, and the right team — no obligations.