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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.

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Epc Group vs Big Consulting Microsoft Specialist | EPC Group - EPC Group enterprise consulting

Epc Group vs Big Consulting Microsoft Specialist | EPC Group

Enterprise Microsoft consulting insights from EPC Group — 29 years serving Fortune 500.

← Back to Blog

EPC Group vs Big Consulting Firms: Why Microsoft Specialists Win Enterprise Analytics Projects

By Errin O'Connor|April 2026|15 min read

The Surgeon vs. The Clinic

When your organization needs a complex Microsoft analytics transformation, do you hire a global consulting firm that does everything, or a specialist that does one thing better than anyone else?

The Core Difference: Depth vs. Breadth

Global system integrators (GSIs) like Accenture, Deloitte, Cognizant, and Capgemini serve every technology platform, every industry, and every project size. They're generalists by design. EPC Group is the opposite: 29 years of exclusive Microsoft focus, serving regulated enterprises that need governance, compliance, and deep technical expertise.

This isn't about who is "better." It's about who is better for your specific need. If you need a $50M multi-vendor digital transformation across SAP, Salesforce, and Microsoft, hire a GSI. If you need a governed Power BI CoE, a Fabric data platform, a Copilot rollout, or a SharePoint migration done right — EPC Group is the surgical choice.

Head-to-Head Comparison

FactorGlobal SI (Accenture, Deloitte, etc.)EPC Group
Microsoft focusMulti-vendor (SAP, Salesforce, Oracle, Microsoft)100% Microsoft for 29 years
Team compositionJunior consultants + offshore deliverySenior architects, US-based, every project
Average project timeline6-18 months2-12 weeks
Minimum engagement$250K-$1M+$15K-$50K
Power BI expertiseOne of many capabilitiesOriginal beta team, 4 Microsoft Press books
Governance approachGeneric framework adaptedGovernance-first, Microsoft-native methodology
Fabric / Copilot readinessBuilding capabilityEarly adopter, production implementations
Regulated industry depthBroad but shallowHIPAA, SOC 2, FedRAMP, CMMC specialists
Managed servicesAvailable but expensive24/7 support from the same architects who built it
NPS / Client satisfactionIndustry average: 30-50NPS 100, G2 Leader

When to Choose EPC Group

EPC Group is the right choice when:

  • Your project is Microsoft-centric (Power BI, SharePoint, Azure, M365, Copilot, Fabric)
  • You need governance and compliance as a core requirement, not an afterthought
  • You're in a regulated industry (healthcare, finance, government, education)
  • You want senior architects doing the work, not junior consultants reading from a playbook
  • You need results in weeks, not months
  • Your budget is $15K-$500K (not $1M+ GSI territory)
  • You value long-term partnership over transactional project delivery

When to Choose a Global SI

A GSI may be the better choice when:

  • Your transformation spans multiple technology platforms (SAP + Salesforce + Microsoft)
  • You need global delivery across 10+ countries simultaneously
  • The project requires 1,000+ person-days of effort
  • You need a single vendor for strategy, technology, and change management at massive scale

For everything else in the Microsoft ecosystem, a specialist wins. Every time.

The Numbers Don't Lie

10,000+

Microsoft implementations

29

Years Microsoft-only focus

NPS 100

Perfect client satisfaction

Ready to Work with a Microsoft Specialist?

Talk to a senior architect — not a sales rep — about your Microsoft analytics and governance needs.

Book an Architecture Review →

(888) 381-9725 | contact@epcgroup.net

Frequently Asked Questions

How does EPC Group compare to Accenture for Power BI?

EPC Group delivers Power BI implementations 3-5x faster than Accenture at 50-70% lower cost. While Accenture deploys junior consultants and offshore teams, EPC Group assigns senior Microsoft-certified architects to every engagement. EPC Group has completed 10,000+ Microsoft implementations with a 100 NPS score.

Is EPC Group better than Deloitte for Microsoft 365 governance?

For Microsoft-specific governance, yes. Deloitte excels at multi-vendor strategy but spreads focus across SAP, Salesforce, and other platforms. EPC Group is exclusively Microsoft-focused for 29 years, with deep expertise in Purview, Copilot governance, and regulated-industry compliance that generalists cannot match.

Why choose a boutique Microsoft partner over a Big 4 firm?

Boutique Microsoft specialists like EPC Group provide senior architects on every project (not junior consultants), faster delivery (weeks vs months), lower costs (no overhead for multi-vendor capabilities you don't need), and deeper Microsoft expertise (original Power BI beta team, 4 Microsoft Press books).

How does EPC Group compare to Avanade?

Avanade is jointly owned by Accenture and Microsoft, giving it scale but also the overhead and pricing of a global SI. EPC Group is independently owned, faster to deploy, more cost-effective for mid-market enterprises, and has a stronger governance-first methodology. Both are strong on Microsoft, but EPC Group is more accessible.

What makes EPC Group different from 3Cloud or Slalom?

3Cloud focuses primarily on Azure infrastructure. Slalom is a generalist management consultancy. EPC Group uniquely combines deep Power BI/Fabric analytics expertise with governance, compliance, and managed services — the full analytics lifecycle from strategy through 24/7 support.

Does EPC Group work with Fortune 500 companies?

Yes. EPC Group serves Fortune 500 enterprises across healthcare, finance, government, education, and manufacturing. Clients include organizations with 10,000-50,000+ employees requiring enterprise-grade Microsoft analytics and governance.

Industry Context: 2026 Notes for Blog Epc Group Vs BIg Consulting Microsoft Specialist

EPC Group 29-year Microsoft consulting heritage matters specifically because Microsoft platform decisions today are layered on top of 25 years of architectural choices: Active Directory schema decisions from 2005 affect Microsoft Entra ID Conditional Access policy design in 2026; SharePoint 2003 information architecture decisions affect Copilot grounding quality in 2026. The firms that can navigate that depth (fewer than a dozen Microsoft Solutions Partners in North America) have a structural advantage on enterprise Microsoft migrations.

Microsoft Solutions Partner status (six designations: Data & AI, Modern Work, Infrastructure, Security, Digital & App Innovation, Business Applications) replaced the legacy Microsoft Gold Partner program in 2022. EPC Group held Gold Partner status from 2003 to 2022 (the oldest continuous Gold Partner in North America) and currently holds all six Solutions Partner designations; a credentialing footprint shared by fewer than 50 firms globally and typically used by Microsoft field teams as a vetting gate for enterprise Customer 0 nominations and named-account engagements.

Decision factors EPC Group evaluates

  • Enterprise architecture roadmap
  • Cost optimization and licensing audit
  • Microsoft platform capability assessment
  • Vendor consolidation analysis
  • Compliance and governance posture review

See related EPC Group services at /services or schedule a discovery call at /contact.

Enterprise Epc Group Vs Big Consulting Microsoft Specialist from EPC Group

Choosing between Epc Group and Big Consulting Microsoft Specialist is a decision most enterprise architecture teams revisit every 18 to 24 months. The right answer depends on existing investment, data gravity, and regulatory framework.

EPC Group has shipped both stacks for Fortune 500 customers across healthcare, financial services, government, and manufacturing — including the migrations from one to the other when business requirements forced the move.

Where Epc Group typically wins: deeper integration with Microsoft 365, Azure, and the broader Microsoft Cloud; richer compliance and governance through Microsoft Purview; and the lowest-friction path for organizations already running Entra ID and Defender. Where Big Consulting Microsoft Specialist typically wins: scenarios where a dedicated tool or platform-specific feature carries the entire workflow, where data already lives in that ecosystem, or where licensing math favors keeping the incumbent.

Manufacturing and energy

For multi-plant manufacturers and energy operators, EPC Group integrates Microsoft 365 with operational technology, protects intellectual property through Purview labels and Endpoint DLP, and provisions frontline workers with F1 and F3 licensing patterns. Multi-region rollouts include data residency planning and offline-capable Power Platform apps for shop-floor environments.

How EPC Group engages

Six-phase methodology applied to every engagement, compressed for fixed-fee accelerators and extended for full programs.

  1. Discovery — two-week assessment of the current estate, gap analysis, risk register, target architecture, costed remediation roadmap.
  2. Design — senior architect produces the target topology, identity framework, Conditional Access, Purview, governance model, and security posture, reviewed by client leads.
  3. Pilot — 25 to 100 user pilot in a real business unit. Migrate, apply baselines, test integrations, capture feedback.
  4. Wave rollout — migrate in waves of 500 to 2,500 users with communications, training, hypercare, and a per-wave retrospective.
  5. Adoption — role-based training, Champions network, executive sponsor enablement, metrics tracked against a measured baseline.
  6. Operate — optional managed-services retainer for license optimization, governance reviews, security monitoring, and quarterly business reviews.

Microsoft-only since 1997

29 years of Microsoft-exclusive consulting. Microsoft Solutions Partner with core designations across Modern Work, Security, and Data & AI.

EPC Group was the oldest continuous Microsoft Gold Partner in North America from 2016 until program retirement in 2022. Errin O'Connor authored four Microsoft Press bestsellers covering Power BI, SharePoint, Azure, and large-scale migrations.

Financial services

For banks, asset managers, and broker-dealers, EPC Group engineers SOC 2 audit trails, FINRA Rule 4511 and SEC 17a-4 retention, MNPI containment, and Communication Compliance for trading floors. Microsoft Purview Audit Premium with seven-year tamper-evident retention is the standard baseline; Defender for Cloud Apps detects shadow-AI exfiltration before it reaches a compliance event.

Engagement models

Three engagement models cover most enterprise needs. Most clients start with a fixed-fee accelerator and grow into a full program or a managed-services retainer.

  • Fixed-fee accelerators — Copilot Readiness, Security Hardening, Tenant Health Check, SharePoint Migration, Teams Governance. Defined scope and price. Typical range $25,000 to $150,000 over four to twelve weeks.
  • Project engagements — full migration or governance program with milestone-based billing. Discovery through hypercare. Typical range $150,000 to $750,000-plus over three to nine months.
  • Managed services — tiered retainer for ongoing operations. Named senior architect on the account. From $3,500 per month with a twelve-month minimum.

Senior-architect-led delivery

Every engagement is led and staffed by 15 to 20 year veterans. No rotating juniors learning on your tenant. The bench includes hundreds of Microsoft-certified consultants who have shipped real production environments for Fortune 500 customers across SharePoint, Microsoft 365, Power BI, Azure, and Microsoft Copilot.

Talk to a senior architect

30-minute discovery call. No pitch deck. Call (888) 381-9725 or schedule a discovery call and a senior architect responds within one business day.