IT Services for Financial Services: Key Technologies Shaping the Future of Banking
As globalization accelerates, so does digital transformation. With new technologies emerging rapidly, we are heading towards a more paperless world.
Microsoft Teams App Development Services
We build software that lives inside Microsoft Teams: tabs, bots, message and meeting extensions, and Copilot agents for Microsoft 365. Your teams get to work without leaving Teams, on tools connected to your own systems and data.
500+
Customers
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1000+
Projects
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250+
Employees
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26+
Years of Experience
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What is Microsoft Teams app development?
Microsoft Teams app development is building custom software that runs inside Teams: tabs and personal apps, bots, message and meeting extensions, and connectors, plus Copilot agents for Microsoft 365.
The apps connect your systems and workflows to the Teams client, so people can find, do and approve things without leaving the place they already work. PSSPL builds all of these, from a simple tab to a governed Copilot agent, as a Microsoft Solutions Partner.
What We Build Inside Teams
A Teams app can be one thing or many combined. We pick the right pieces for the job and connect them to your data with Microsoft Graph.
Tabs and Personal Apps
Web apps hosted inside Teams, as a personal app or pinned in a channel, so a system your team uses lives right in Teams.
Bots and Conversational Apps
Bots that answer questions, run tasks and post updates in chats and channels, with Adaptive Cards for rich replies.
Message Extensions
Search and take actions from the compose box, for example pull a record or create an item without switching apps.
Meeting Apps and Extensions
Add features to calls: agendas, notes, polls, live data and in-meeting actions before, during and after a meeting.
Connectors and Webhooks
Push alerts and updates from your systems straight into the right channel.
Microsoft Graph Integration
Read and act on Microsoft 365 data (people, files, calendar, chat) with least-privilege permissions and Entra ID sign-in.
Copilot agents in Teams
Teams is now the front door to Microsoft 365 Copilot. Agents extend Copilot with your instructions, knowledge and actions, and they run right inside Teams. We build them at the level of control you need.
Declarative Agents
Extend Microsoft 365 Copilot with your instructions, knowledge and actions. Declarative agents run inside Microsoft 365 Copilot and apps like Teams, Word, Excel and Edge. Good for most business scenarios, and quick to build.
Custom Engine Agents
When you need full control over the model, orchestration and logic, we build custom engine agents with the Teams AI Library, connected to Azure OpenAI in Microsoft Foundry.
Low-code and Pro-code
Agent Builder for quick, low-code declarative agents, or the Microsoft 365 Agents Toolkit (previously the Teams Toolkit) for pro-code builds with source control and CI/CD.
Interactive UI and Governance
Render interactive UI inside Copilot chat with MCP apps, and govern agents with Agent 365 for identity, observability and security.
AI in Microsoft Teams
Beyond agents, we add AI that makes everyday Teams use easier, from meetings to messaging. Microsoft 365 Copilot acts as an assistant across Teams, and we extend it and add features around it.
Meeting Assistant and Summaries
Notes, action items and recaps so people can catch up fast.
Transcription and Translation
Live and post-call transcripts, with translation across languages.
Real-time Meeting Insights
Metrics and highlights during and after calls.
Cleaner Audio and Video
Background noise suppression, better speech quality and AI filters.
Copilot in your workflows
Bring Copilot into your own Teams apps and processes.
Grounded and Governed
AI grounded in your data, with permissions and governance so it only sees what it should.
Teams and Microsoft 365
Teams brings together the Microsoft 365 tools people use every day. We build apps that make the most of that, connected across the estate.
SharePoint
Documents, sites and content, surfaced in Teams.
Power BI
Dashboards and reports inside channels and meetings.
Power Platform
Power Apps and Power Automate embedded in Teams.
Office and Planner
Word, Excel, PowerPoint and planning, in the flow of work.
The Azure data & analytics stack
Area
Technologies
Build Tools
Microsoft 365 Agents Toolkit (previously Teams Toolkit), Agent Builder, Teams AI Library
Languages and UI
TypeScript, JavaScript, C# / .NET, React, Adaptive Cards
Data and Identity
Microsoft Graph, Entra ID single sign-on, Dataverse
Bots and Messaging
Azure Bot Service, Bot Framework, webhooks and connectors
AI
Azure OpenAI in Microsoft Foundry, Microsoft 365 Copilot, declarative and custom engine agents
Governance
Agent 365, Microsoft Purview, Microsoft Defender
Hosting and DevOps
Azure, CI/CD, infrastructure as code
Publishing and Certification
Org App Catalog
Package and roll out apps to your own organization's Teams app catalog for internal use.
Teams Store
Publish to the public Teams Store to reach Microsoft customers, built to the store requirements.
Microsoft 365 Certification
Prepare apps for Microsoft 365 Certification, including the security and compliance evidence reviewers ask for, so you pass review instead of looping through it.
Where we deliver data analytics
From idea to a live Teams App
Discover
Understand the workflow, users and data, and choose the right app types or agent.
Design and Build
Build with the Agents Toolkit, connect to Graph, and add AI where it helps.
Secure and Test
Entra ID sign-in, least-privilege permissions, testing and accessibility.
Publish and Support
Roll out or certify, then support and improve over time.
A Teams partner who knows Microsoft 365 well
Microsoft Solutions Partner
Certified in Data and AI, and Digital and App Innovation.
Current on Agents
Declarative and custom engine agents, Agents Toolkit and Teams AI Library.
Full Microsoft 365 Depth
SharePoint, Power Platform, Graph and Azure, not just Teams in isolation.
Secure by Default
Entra ID, least privilege and ISO 27001 practices.
Certification-ready
We build to the Teams Store and Microsoft 365 Certification bar.
On-time Delivery
Known for meeting deadlines, even tight ones.
Sensible Cost
Senior engineering with global-facing accountability.
Global Presence
Teams and clients across the US, UK, Germany, Australia and India.
Engagement Models
Latest Blogs
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Microsoft Teams Development Questions (FAQ's)
Building custom software that runs inside Teams: tabs and personal apps, bots, message and meeting extensions, and connectors, plus Copilot agents for Microsoft 365. The apps connect your systems to the Teams client so people work without leaving Teams.
Tabs (web apps hosted in Teams), bots that chat and act, message extensions for search and actions from the compose box, meeting apps, and connectors and webhooks. Apps use Microsoft Graph and Adaptive Cards and sign in with Entra ID.
A Copilot agent extends Microsoft 365 Copilot with your instructions, knowledge and actions. Declarative agents run inside Copilot and apps like Teams, Word, Excel and Edge. For more control we build custom engine agents with the Teams AI Library, and can render UI in Copilot chat with MCP apps.
The Microsoft 365 Agents Toolkit (previously Teams Toolkit) for pro-code, Agent Builder for low-code declarative agents, the Teams AI Library for custom engine agents, plus TypeScript or C#, React, Adaptive Cards, Microsoft Graph, Azure Bot Service, Entra ID and Azure OpenAI in Microsoft Foundry.
Yes. Copilot agents and AI features such as meeting assistance, transcription, summaries and real-time insights, plus AI inside your own Teams apps, grounded in your data with governance.
Yes. We publish to the Teams Store or your organization's catalog, and prepare apps for Microsoft 365 Certification, including the security and compliance evidence reviewers ask for.
Entra ID single sign-on, least-privilege Graph permissions, private networking where needed, and, for agents, identity and governance through Agent 365 and Microsoft Purview, backed by ISO 27001 practices.
Time and Material, Fixed Price, and Staff Augmentation or a dedicated team.
26+ years, a Microsoft Solutions Partner (Data and AI; Digital and App Innovation), ISO 9001 and ISO/IEC 27001 certified, a Claude and OpenAI partner, with deep Microsoft 365, SharePoint and Power Platform experience.