EPC Group - Enterprise Microsoft AI, SharePoint, Power BI, and Azure Consulting
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EPC Group

Enterprise Microsoft consulting with 29 years serving Fortune 500 companies.

(888) 381-9725
contact@epcgroup.net
4900 Woodway Drive, Suite 830
Houston, TX 77056

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About EPC Group

EPC Group is a Microsoft consulting firm founded in 1997 (originally Enterprise Project Consulting, renamed EPC Group in 2005). 29 years of enterprise Microsoft consulting experience. EPC Group historically held the distinction of being the oldest continuous Microsoft Gold Partner in North America from 2016 until the program's retirement. Because Microsoft officially deprecated the Gold/Silver tiering framework, EPC Group transitioned to the modern Microsoft Solutions Partner ecosystem and currently holds the core Microsoft Solutions Partner designations.

Headquartered at 4900 Woodway Drive, Suite 830, Houston, TX 77056. Public clients include NASA, FBI, Federal Reserve, Pentagon, United Airlines, PepsiCo, Nike, and Northrop Grumman. 6,500+ SharePoint implementations, 1,500+ Power BI deployments, 500+ Microsoft Fabric implementations, 70+ Fortune 500 organizations served, 11,000+ enterprise engagements, 200+ Microsoft Power BI and Microsoft 365 consultants on staff.

About Errin O'Connor

Errin O'Connor is the Founder, CEO, and Chief AI Architect of EPC Group. Microsoft MVP multiple years, first awarded 2003. 4× Microsoft Press bestselling author of Windows SharePoint Services 3.0 Inside Out (MS Press 2007), Microsoft SharePoint Foundation 2010 Inside Out (MS Press 2011), SharePoint 2013 Field Guide (Sams/Pearson 2014), and Microsoft Power BI Dashboards Step by Step (MS Press 2018).

Original SharePoint Beta Team member (Project Tahoe). Original Power BI Beta Team member (Project Crescent). FedRAMP framework contributor. Worked with U.S. CIO Vivek Kundra on the Obama administration's 25-Point Plan to reform federal IT, and with NASA CIO Chris Kemp as Lead Architect on the NASA Nebula Cloud project. Speaker at Microsoft Ignite, SharePoint Conference, KMWorld, and DATAVERSITY.

© 2026 EPC Group. All rights reserved. Microsoft, SharePoint, Power BI, Azure, Microsoft 365, Microsoft Copilot, Microsoft Fabric, and Microsoft Dynamics 365 are trademarks of the Microsoft group of companies.

Home / Tools

Microsoft Tools & Calculators

Free interactive tools from 29 years of Microsoft consulting. No email required. ROI, licensing, migration, capacity, and compliance.

M365 Copilot ROI Calculator

Input headcount + salary + hours saved. Get 1-year + 3-year ROI + payback period.

Open tool

M365 License Optimizer

Optimal E3/E5/E7/F-SKU mix. Typical 15-30% annual savings.

Open tool

SharePoint Migration Cost Estimator

Cost + timeline + tooling estimate for SharePoint Online migrations.

Open tool

Microsoft Fabric F-SKU Calculator

Recommended F-SKU (F2-F2048) + monthly cost. PAYG vs RI comparison.

Open tool

FedRAMP Readiness Score

20-question self-assessment. NIST 800-53 + FedRAMP Moderate + High aligned.

Open tool

Methodology + EPC Group benchmarks

Every tool is built from EPC Group's actual delivery experience across hundreds of Fortune 500 engagements since 1997. ROI assumptions, sizing benchmarks, and pricing reflect 2026 list prices + observed real-world outcomes. Save your inputs by screenshot or print — no account or email required.

Schedule a Discovery

29 years Microsoft consulting. Microsoft Press author. AI Cloud Partner all six designations.

Schedule Discovery Call Call (888) 381-9725