AI First, SharePoint Embedded, CSPP WOPI, Microsoft Office Add-In And Composable Commerce Software Developers

For twenty-two years, McKenna Consultants have been developers of custom software for clients for:

  • SharePoint Embedded (Microsoft 365 document editing for SaaS)
  • WOPI (Cloud Storage Partner Program)
  • Microsoft Outlook, Excel, Word Office Add-Ins
  • Composable Commerce with Elastic Path
  • Autonomous Agentic Artificial Intelligence
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SharePoint Embedded

SharePoint Embedded is Microsoft's modern, API-only successor to the Cloud Storage Partner Program for embedding Microsoft 365 document editing inside your SaaS application. SaaS vendors are our primary clients for this service. There is no Cloud Storage Partner Program membership to apply for, no WOPI host to build, your customer's documents stay inside their own Microsoft 365 tenant with native Microsoft Purview compliance, and your SaaS automatically becomes a first-class knowledge source for Microsoft 365 Copilot. We are delivering SharePoint Embedded implementations for new SaaS products today, and packaged migrations onto SharePoint Embedded for SaaS vendors with an existing WOPI host.

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WOPI Cloud Storage Partner Program

We are the world's leading developer for CSPP WOPI. WOPI is a protocol which allows SaaS platforms to host Microsoft Office for the web editors directly inside their main application. This means that their users don't need to download, edit and reupload documents! If you are considering implementing this in your SaaS product, please contact us for information on how we can assist your development and guide you through the CSPP approval process.

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AI First

We build semi-autonomous and autonomous AI agents that fundamentally shift the economics of a business. We've done it in our own company — transforming from a traditional development model to an AI-first operation at Level 3 on our AI Maturity Pyramid and working towards Level 4. Our developers use cutting-edge AI coding tools daily, which means we deliver enterprise-quality software faster and at lower cost than traditional competitors. We help clients do the same through our Agile and OKR transformation services.

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Microsoft Office Add-In Development

We are specialist developers in complex front and back-end Microsoft Office Add-In development. We provide code samples for Office Add-Ins to assist developers in learning and building applications. We have implemented Outlook Office Add-Ins (and associated Graph API back-end systems) for CRM and work management systems, defining key settings and capabilities through the manifest. The manifest is crucial for configuring the add-in and establishing its functionality and user interface. We also implement Excel Office Add-Ins (for example, for the auditing and compliance industries). We also implement Word Office Add-Ins for legal SaaS and other clients, ensuring that each project is managed efficiently and effectively.

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Composable Commerce

Our fifth area of developer expertise is large-scale, B2B eCommerce, utilizing a modular approach to integrate various systems. We encourage businesses to explore the benefits of composable commerce solutions. We can integrate your ERP, CRM, CPQ, PIM, document store, warehousing and inventory, ordering, and other systems into a cohesive whole global web store, ensuring that your team can manage the transition smoothly. We are experienced in dealing with older and more complex systems as well as more modern systems such as Elastic Path. In the world of composable commerce, our focus is on creating fast, stable, and secure systems as a solid foundation for growth in eCommerce.

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Your AI First Software Development Partners

For further information on our SharePoint Embedded, WOPI, Office Add-In, Agentic AI or Composable Commerce services, please fill in the short form on our Contact Us page and we'll get right back to you:

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Working with McKenna Consultants has been a game-changer for Astrak. From day one, their team understood our vision for a high-performance eCommerce platform and delivered beyond our expectations. Their deep technical expertise and flexible composable architecture approach allowed us to build a site that is fast, stable, and secure—exactly what our customers need." What really set McKenna apart was how closely they worked with our customers during the build. The result is a user experience that genuinely reflects how our clients want to search and order. Since going live, the platform has already added over £300,000 in new monthly revenue, and we see even more potential as we scale. We’re excited to continue working with McKenna as our digital journey evolves.

Stephen Cope CIO, Astrak Group

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