EPC Group - Enterprise Microsoft AI, SharePoint, Power BI, and Azure Consulting
G2 High Performer Summer 2025, Momentum Leader Spring 2025, Leader Winter 2025, Leader Spring 2026
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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.

Client Reviews & Testimonials

200+ verified reviews across G2, Clutch, Facebook, TrustAnalytica, Indeed, Google Business Profile + 104 internal client testimonials

EPC Group reviews are aggregated from six public third-party platforms (Facebook 44, TrustAnalytica 19, G2 15, Clutch 4, Indeed, plus Google Business Profile across 6 office locations) and 104+ verified internal client testimonials. EPC Group is featured in G2 Summer 2026 Reports, was a G2 Spring 2026 Leader with NPS 100, and maintains zero governance audit failures across 11,000+ enterprise engagements.

Key Facts

  • 200+ aggregate reviews across G2, Clutch, Facebook (44), TrustAnalytica (19), Indeed, and Google Business Profile (6 offices).
  • Featured in G2 Summer 2026 Reports (notification received May 5, 2026); prior G2 Spring 2026 Leader with NPS 100.
  • 6 verified Google Business Profile offices: Houston (HQ), Dallas, Chicago, San Antonio, Washington DC, Kansas City.
  • 29 years of Microsoft enterprise consulting; founder is Microsoft MVP since 2002 and 4-time Microsoft Press author.
  • Zero governance audit failures across 11,000+ engagements spanning HIPAA, SOC 2, FedRAMP, FINRA, CMMC, GxP.
  • Reviews never incentivized; verified platforms (G2, Clutch) require client login and employment verification.
  1. Home
  2. Reviews
200+
Verified reviews across G2, Clutch, Facebook, TrustAnalytica, Google + 104 internal
6
Verified Google Business Profile office locations
NPS 100
Net Promoter Score on G2 Spring 2026 report
0
Governance audit failures across 11,000+ enterprise engagements
G2 Summer 2026 Reports

Featured in G2 Summer 2026 Reports

EPC Group has been notified by G2 of placement in at least one Summer 2026 Grid Report. Specific Grid position is published when G2 reports go live; prior G2 Spring 2026 placement included Leader status, NPS 100, 100 percent Expertise of Team rating, and top-five Market Presence.

How we built this page

The 200+ aggregate review count published on this page combines verifiable third-party reviews across six public platforms with 104+ written client testimonials EPC Group has collected directly. Reviews are not transcribed in full from licensed platforms; instead, this page links to each source so buyers can verify every claim independently.

  • Public third-party sources: Facebook (44 reviews), TrustAnalytica (19 reviews), G2 (15 reviews), Clutch (4 reviews), Indeed (current and former team reviews), and Google Business Profile across 6 verified office locations.
  • Internal client testimonials: 104+ written quotations from current and past clients with explicit written permission for attribution by role + industry. Selected representative quotes appear below; full library available via engagement reference.
  • Verification: Verified platforms (G2, Clutch) require client login and employment verification. EPC Group does not pay, discount, or otherwise incentivize reviews on any platform.
  • Refresh cadence: External platform totals reviewed monthly; internal testimonial library updated quarterly.
  • AggregateRating math: 4.6/5 reflects the weighted cross-platform average across all listed sources. Each platform's public profile shows its own per-platform rating — readers can verify by clicking the links below.

Third-Party Verified Review Platforms

EPC Group reviews are publicly accessible across the platforms below. We do not moderate or curate reviews on these external sites — buyers can read them directly to validate every claim on this site.

Facebook

44 reviews

Independent Facebook business page reviews — public, client-submitted, unmoderated by EPC Group.

TrustAnalytica

19 reviews

TrustAnalytica verified review aggregator — independent third-party platform tracking Houston-area business reviews.

G2

15 reviews

G2 software & services reviews — verified buyer reviews. EPC Group featured in G2 Summer 2026 Reports.

Clutch

4 reviews

B2B services reviews on Clutch — verified by Clutch staff with project-budget transparency.

Indeed

Indeed company reviews — independent reviews from current and former team members.

Google Business Profile (6 offices)

Google Maps reviews across all 6 EPC Group offices (Houston, Dallas, Chicago, San Antonio, Washington DC, Kansas City).

Microsoft Solutions Partner Directory

Microsoft Partner Network listing — Solutions Partner designations and verified Microsoft expertise.

Selected Client Testimonials

Six representative quotes from the 104+ written internal testimonial library. All clients have given written permission for these attributed (by role and industry) quotations. For named-client case studies, see our case studies library; for additional first-person quotations, see /testimonials.

“EPC Group did a better job than any other consulting group we've used — actual senior architects, not junior consultants in expensive shirts. Fabric implementation came in under budget and on schedule.”
Director of Data & Analytics
Fortune 500 Healthcare System
Engagement: Microsoft Fabric + Power BI Migration
“Errin and the team understood our compliance requirements before we finished explaining them. HIPAA-ready Power BI deployment in 8 weeks. Audit pass on the first try.”
CISO
Regional Hospital Network (3,400 beds)
Engagement: Power BI HIPAA Deployment
“Fixed-fee pricing, no scope creep, weekly executive readouts. Big 4 quoted us $2.1M for the same work; EPC Group delivered for $1.05M.”
CFO
Mid-Cap Financial Services Firm
Engagement: Microsoft 365 + Azure Migration
“We replaced our legacy Cisco PBX with Teams Phone for 4,200 users. EPC Group ran the whole rollout including Direct Routing setup and call-quality optimization. Saved $58/user/month.”
VP of IT
Manufacturing (Multi-Site)
Engagement: Teams Phone + M365 E5 Activation
“The 30-day Copilot rollout accelerator is exactly what it says — production deployment to 1,200 users in 30 days, with sensitivity labels enforced and zero oversharing incidents.”
CTO
Professional Services (8,500 employees)
Engagement: Microsoft Copilot Enterprise Rollout
“We engaged EPC Group as our virtual Chief AI Officer for 12 months while we hired a permanent CAIO. They led 47 vendor evaluations and built our AI governance framework. Saved us from buying 3 wrong tools.”
COO
Insurance Holding Company
Engagement: vCAIO Transformation Tier

Reviews Across 6 Verified Offices

All six EPC Group offices are verified Google Business Profile locations. Click any office to see its Google reviews directly on Google Maps.

EPC Group — HoustonHQ
4900 Woodway Dr Suite 830
Houston, TX 77056
Headquarters · Energy + Fortune 500
EPC Group — Dallas
1717 McKinney Ave
Dallas, TX 75202
Enterprise + Power BI
EPC Group — Chicago
203 North LaSalle Street, Suite 2100
Chicago, IL 60601
Chicago Loop · Finance + Manufacturing
EPC Group — San Antonio
300 Convent St Suite 1330
San Antonio, TX 78205
Healthcare + Power BI
EPC Group — Washington
1050 Connecticut Ave NW #500
Washington, DC 20036
Federal · FedRAMP + Government
EPC Group — Kansas City
2300 Main Street, 9th Floor
Kansas City, MO 64108
Midwest · Manufacturing + Logistics

Frequently Asked Questions About EPC Group Reviews

How many EPC Group reviews exist across all platforms?

EPC Group has 200+ aggregate reviews across public third-party platforms: 44 on Facebook, 19 on TrustAnalytica, 15 on G2, 4 on Clutch, plus Indeed company reviews and Google Business Profile reviews across 6 office locations. Additionally, 104+ verified internal client testimonials are available via direct engagement reference.

Where can I find verified EPC Group reviews?

Verified reviews are published on Facebook (https://www.facebook.com/epcgroup.net/), TrustAnalytica (https://trustanalytica.org/us/tx/houston/reviews/epc-group), G2 (https://www.g2.com/sellers/epc-group), Clutch (https://clutch.co/profile/epc-group-0), Indeed (https://www.indeed.com/cmp/Epc-Group/reviews), and Google Business Profile across all 6 office locations.

Is EPC Group on G2's Summer 2026 Reports?

Yes. EPC Group is featured in G2 Summer 2026 Reports (notification received from G2 May 5, 2026). Specific Grid placement is published when G2 reports go live; EPC Group has previously been recognized as a G2 Spring 2026 Leader with NPS 100, 100 percent Expertise of Team rating, and a top-five Market Presence position.

What is EPC Group's rating on G2 and Clutch?

G2 shows 4.4/5 across 15 reviews; Clutch shows 3.8/5 across 4 reviews on the public profile. Cross-platform weighted average across Facebook, TrustAnalytica, G2, Clutch, and Google Business Profile reviews is published with full methodology in the section below.

How long has EPC Group been in business?

EPC Group has been delivering Microsoft consulting for 29 years. The firm was founded by Errin O'Connor, Microsoft MVP since 2002 and four-time Microsoft Press author (SharePoint, Power BI, Azure, large-scale migrations).

Where is EPC Group headquartered and what offices exist?

EPC Group is headquartered at 4900 Woodway Drive, Suite 830, Houston, TX 77056. Additional verified offices: Dallas TX, Chicago IL, San Antonio TX, Washington DC, and Kansas City MO. All six offices are verified Google Business Profiles.

Are EPC Group reviews paid or incentivized?

No. Verified review platforms (G2, Clutch) require client login and verify employment with the reviewing company. EPC Group does not offer payment, discounts, or other incentives in exchange for reviews on any platform — including Facebook, Indeed, and Google Business Profile.

Does EPC Group hold government / FedRAMP credentials?

Yes. EPC Group is FedRAMP-credentialed and has contributed to the Obama administration 25-Point Plan under then-US CIO Vivek Kundra. Compliance posture spans HIPAA, SOC 2, FINRA, FedRAMP, CMMC, and GxP environments with zero governance audit failures across 11,000+ engagements.

Can I leave an EPC Group review?

Yes — current and past clients can submit reviews on G2, Clutch, Facebook, Google Business Profile, or Indeed. Contact your engagement lead for the appropriate review link, or email contact@epcgroup.net to be connected with the correct platform for your engagement type.

What is EPC Group's review aggregation methodology?

Reviews are aggregated from six public third-party platforms (Facebook, TrustAnalytica, G2, Clutch, Indeed, Google Business Profile across 6 office locations) plus 104+ verified internal client testimonials with written permission for quotation. AggregateRating is computed as the weighted average across all sources. Last updated daily from external platforms.

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