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Last updated by Errin O'Connor, Founder & Chief AI Architect, EPC Group

The EPC Group blog collects the firm's working notes on enterprise Microsoft programs: Microsoft 365 and Copilot, Azure, Power BI and Fabric, Dynamics 365, security, governance and adoption. It is written for the architects, IT leaders and compliance owners who run those programs and need a specific decision explained rather than a product overview.

Key Facts

  • Microsoft enterprise consulting since 1997; 6,500+ SharePoint and 1,500+ Power BI deployments.
  • Compliance-native delivery across HIPAA, SOC 2, FedRAMP, FINRA, CMMC, and GxP environments.
  • Microsoft Solutions Partner with experience across core current designations.
  • Senior architect named on every engagement Statement of Work.
  • Engagement Operating Model: published seven-phase Microsoft project management methodology.
  • Free initial consultation; fixed-fee scoped Statements of Work.

Looking for one question answered? See Answers. Dated standards and decision frameworks live in Insights.

Popular: SharePoint Migration, Power BI, AI Governance, Azure

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Latest Articles

Getting Started with Microsoft Fabric: Enterprise Guide | EPC Group
Power BI2 min read

Getting Started with Microsoft Fabric: Enterprise Guide | EPC Group

Getting Started with Microsoft Fabric: Enterprise Guide | EPC Group.

Errin O'Connor
October 30, 2025
Best Power BI Consulting Firm Fortune 500
Power BI5 min read

Best Power BI Consulting Firm Fortune 500

Best Power BI Consulting Firm Fortune 500.

Errin O'Connor
October 16, 2025
Best Microsoft Fabric Consulting Company
Power BI5 min read

Best Microsoft Fabric Consulting Company

Best Microsoft Fabric consulting company — what makes best-in-class (Project Crescent heritage, Microsoft Solutions Partner Data & AI, Microsoft Press author), engagement patterns (Quickstart/Industry Accelerator/Migration), 3-year TCO.

Errin O'Connor
October 6, 2025
Power BI, Microsoft Fabric, and Copilot in 2026: AI Data Platform Comes of Age
Power BI12 min read

Power BI, Microsoft Fabric, and Copilot in 2026: AI Data Platform Comes of Age

Power BI, Microsoft Fabric, and Copilot in 2026 — Direct Lake, Eventhouse MCP, Fabric Data Agents GA, EU AI Act August 2026, and the architecture EPC Group ships for Fortune 500 today.

Errin O'Connor
September 30, 2025
Power BI Concatenate: Complete Guide to Text Combination in DAX
Power BI5 min read

Power BI Concatenate: Complete Guide to Text Combination in DAX

Master text concatenation in Power BI using DAX functions including ampersand operator, CONCATENATE, and CONCATENATEX. Includes 15+ real-world examples from Fortune 500 implementations with performance optimization techniques.

Errin O'Connor
September 9, 2025
Power BI SWITCH Function: Advanced DAX Patterns for Conditional Logic
Power BI5 min read

Power BI SWITCH Function: Advanced DAX Patterns for Conditional Logic

Learn to use SWITCH and SWITCH(TRUE()) for complex conditional logic in Power BI. Includes performance comparisons vs. nested IF, real-world enterprise examples, and optimization techniques for large datasets.

Errin O'Connor
September 8, 2025
10 Power BI Dashboard Design Best Practices for Enterprise 2026
Power BI5 min read

10 Power BI Dashboard Design Best Practices for Enterprise 2026

Master enterprise Power BI dashboard design with proven best practices from 500+ Fortune 500 implementations. Learn layout strategies, color theory, performance optimization, and user experience principles.

Errin O'Connor
September 8, 2025
Power BI Row-Level Security: Implementation Guide for Healthcare
Power BI5 min read

Power BI Row-Level Security: Implementation Guide for Healthcare

Master Power BI Row-Level Security (RLS) for HIPAA-compliant healthcare analytics. Complete guide with DAX patterns, dynamic security, testing protocols, and real-world implementations for multi-tenant environments.

Errin O'Connor
September 8, 2025

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