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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. Microsoft Gold Partner from 2003–2022 — the oldest Microsoft Gold Partner in North America — and currently a Microsoft Solutions Partner with six designations: Data & AI, Modern Work, Infrastructure, Security, Digital & App Innovation, and Business Applications.

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 for multiple years starting 2002–2003. 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-aligned consulting expertise. 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.

  1. Home
  2. Why EPC Group vs Big Consulting

Why EPC Group vs Big 4 Consulting

11,000+ enterprise engagements. 29 years. NPS 100. See how a senior-led Microsoft specialist outperforms Accenture, Deloitte, and Big 4 firms across every dimension that matters.

Every enterprise IT leader faces the same question: do we hire a Big 4 consulting firm with brand recognition, or a specialized firm with deeper expertise and better economics? If you are evaluating Microsoft consulting partners for Power BI, SharePoint, Azure, AI governance, or Microsoft 365, this page gives you the honest, data-backed comparison.

EPC Group is not trying to be Accenture. We are not a 500,000-person generalist firm that sells everything from SAP to Salesforce to strategy decks. We are a senior-led Microsoft specialist that has delivered 11,000+ enterprise engagements across Fortune 500 organizations, federal agencies, and healthcare systems over 29 years. Our model is fundamentally different — and for Microsoft-focused initiatives, it delivers better outcomes at lower cost.

What follows is a transparent, 10-dimension comparison. We do not claim to be better at everything — we claim to be better at Microsoft-specific enterprise implementations, and we back that claim with metrics.

The "Special Forces" Model: Why Smaller Is Better

The #1 objection we hear from procurement teams is: "Can a boutique firm handle our scale?" The answer is not just yes — it is that our model handles scale better than the Big 4 approach.

Consider how Big 4 firms actually deliver projects. A senior partner (20+ years experience) sells the engagement and appears at the kickoff meeting. Then they disappear. The actual work is performed by analysts and consultants with 1-3 years of experience, supervised by a manager with 5-7 years. You are paying senior rates ($350-500/hour) for junior-level delivery. The Big 4 firms need 15-20 people on a project because most of them are still learning.

EPC Group inverts this model. Every engagement is staffed with senior architects who have 15+ years of Microsoft expertise. There are no junior consultants. No offshore delivery centers. No staff rotation. One EPC Group architect replaces 3-5 junior Big 4 consultants because they have already solved the same problem dozens of times. This is the special forces model — smaller teams, deeper expertise, faster outcomes.

The Math: Why Senior-Led Teams Cost Less

Big 4 Approach (Typical)

  • 1 Partner (10% time): $500/hr
  • 2 Managers: $350/hr each
  • 4 Senior Consultants: $275/hr each
  • 8 Analysts: $200/hr each
  • 15 people = ~$4,000/hr blended
  • 12-week project = $1.9M+

EPC Group Approach

  • 1 Lead Architect (100% time): $300/hr
  • 2 Senior Architects: $275/hr each
  • 1 Solution Architect: $250/hr
  •  
  • 4 people = ~$1,100/hr blended
  • 8-week project = $352K (fixed-fee)

This is not a theoretical comparison. These numbers reflect real proposals we have won against Big 4 competitors. The client gets deeper expertise, faster delivery, and a fixed price — at roughly 40-60% of the Big 4 cost. The "boutique scale concern" evaporates when you realize that four senior architects produce more output than fifteen mixed-experience consultants.

10-Dimension Comparison: EPC Group vs Big 4

An honest side-by-side evaluation across the dimensions that determine consulting engagement success. Scores are based on client feedback, industry benchmarks, and 29 years of competitive experience.

1. Senior Engagement

EPC Group

Senior architects (15+ years) on every engagement from day one through delivery

Big 4 Firms

Senior partner sells the deal, then staffs junior consultants (1-3 years experience)

2. Pricing Model

EPC Group

Fixed-fee and outcome-based pricing. You know the total cost before signing.

Big 4 Firms

Time & materials billing. Scope creep drives costs 40-200% over initial estimates.

3. Speed to Value

EPC Group

First deliverable in 2-4 weeks. No 3-month "discovery phase" padding.

Big 4 Firms

8-16 week discovery and planning phases before any tangible output.

4. Microsoft Depth

EPC Group

29 years of pure Microsoft ecosystem expertise. 4 Microsoft Press books published.

Big 4 Firms

Multi-vendor generalists. Microsoft is one of 20+ technology practices.

5. Compliance Expertise

EPC Group

HIPAA, FedRAMP, SOC 2, GDPR, ITAR — built into every engagement by default.

Big 4 Firms

Compliance expertise available but requires separate (expensive) workstreams.

6. Methodology

EPC Group

EPC Analytics Operating Model (EAOM) — repeatable 5-pillar framework proven across 11,000+ enterprise engagements.

Big 4 Firms

Proprietary frameworks that prioritize billable hours over rapid outcomes.

7. Team Continuity

EPC Group

Same team from scoping through support. Zero consultant rotation mid-project.

Big 4 Firms

Average 30-40% staff turnover per year. Your team changes every 3-6 months.

8. Fixed-Fee Guarantee

EPC Group

Scope and price locked at SOW signing. Change orders only for client-requested scope additions.

Big 4 Firms

Rarely offer fixed-fee. T&M billing with "estimate ranges" that always hit the ceiling.

9. Governance & Risk

EPC Group

Zero governance failures across 11,000+ enterprise engagements. AI governance built-in.

Big 4 Firms

Governance as an add-on service. Higher failure rates due to junior-staffed implementations.

10. Client Satisfaction (NPS)

EPC Group

NPS score of 100 — every client would recommend EPC Group.

Big 4 Firms

Average NPS of 30-50 across major consulting firms (industry benchmarks).

Overall Score

50/50

EPC Group

24/50

Big 4 Average

When a Big 4 Firm Is the Right Choice (Honest Assessment)

We believe in honest positioning. There are scenarios where a Big 4 firm is the better fit:

  • Multi-vendor, multi-platform transformations: If you are simultaneously implementing SAP, Salesforce, and Microsoft across 50 countries, you need a global systems integrator with 10,000+ consultants.
  • Board-level political cover: Some organizations need the Big 4 brand on the SOW to satisfy board members or auditors. This is a real factor in certain industries.
  • Non-Microsoft workloads: If your initiative centers on AWS, Google Cloud, or non-Microsoft platforms, EPC Group is not the right partner.
  • Massive body-shop requirements: If you need 200+ contractors for staff augmentation regardless of expertise level, a Big 4 firm has the recruiting pipeline.

For everything else in the Microsoft ecosystem — Power BI, SharePoint, Azure, Microsoft 365, AI governance, Microsoft Fabric, Copilot — EPC Group delivers superior outcomes. If you want senior architects who solve problems instead of junior consultants who document them, talk to us.

The Evidence: EPC Group by the Numbers

10,000+
Enterprise Implementations
Power BI, SharePoint, Azure, M365, AI
29
Years in Business
Founded 1997, continuous operation
NPS 100
Client Satisfaction
Every client would recommend us
4
Microsoft Press Books
Bestselling author credentials
0
Governance Failures
Zero across all implementations
40-60%
Cost Savings vs Big 4
Fixed-fee, senior-only delivery
See Full Trust & Proof Portfolio

Industry Specialization: Compliance-First Delivery

Unlike Big 4 firms where compliance expertise sits in a separate practice (and separate budget), EPC Group builds compliance into every engagement by default. Our architects understand HIPAA at the technical control level, not just the policy level. They configure SharePoint permissions, Azure security, and Power BI row-level security with compliance requirements baked in — not bolted on as an afterthought.

Healthcare

HIPAA, HITECH, 21st Century Cures Act

PHI protection in Power BI dashboards, SharePoint document management, and AI-assisted clinical workflows.

Financial Services

SOC 2, FINRA, SEC, GLBA

Audit-ready data governance, encrypted data pipelines, and role-based access across analytics platforms.

Government & Defense

FedRAMP, ITAR, FISMA, CMMC

GCC High and DoD IL4/IL5 implementations, zero-trust architecture, and classified environment support.

Education

FERPA, COPPA, State Privacy Laws

Student data protection, parent portal governance, and analytics with PII masking.

Frequently Asked Questions

Why would a Fortune 500 company choose EPC Group over Accenture or Deloitte?

Fortune 500 companies choose EPC Group when they need deep Microsoft expertise delivered by senior architects — not junior consultants learning on the job. Our clients consistently cite three reasons: (1) the same senior team that scopes the project delivers it, (2) fixed-fee pricing eliminates the cost overruns endemic to Big 4 T&M billing, and (3) our 29 years of pure Microsoft focus means faster time to value. We have delivered 11,000+ enterprise engagements with an NPS of 100 — a score no Big 4 firm achieves.

Can EPC Group handle enterprise-scale projects that typically go to Big 4 firms?

Yes. EPC Group operates as a "special forces" model — a smaller, senior-heavy team that delivers the same (or better) outcomes as large consulting firms. We have completed migrations for 10,000+ user environments, deployed Power BI across Fortune 500 organizations, and implemented AI governance frameworks for federal agencies. The difference is we do it with 15-year veterans, not 200 junior consultants billing at senior rates.

How does EPC Group pricing compare to Big 4 consulting firms?

EPC Group typically costs 40-60% less than equivalent Big 4 engagements. We achieve this through fixed-fee pricing (no scope creep), senior-only staffing (fewer hours needed because experienced architects work faster), and zero overhead from massive office footprints and management hierarchies. A Power BI Center of Excellence that a Big 4 firm quotes at $500K, EPC Group delivers for $200-300K with better outcomes and faster timelines.

What is the "special forces" consulting model?

The special forces model means every EPC Group engagement is staffed with senior architects who have 15+ years of Microsoft expertise — there are no junior consultants, no offshore teams, and no staff rotation. Like military special forces, our teams are smaller, more experienced, and faster than conventional units. One EPC Group architect replaces 3-5 junior Big 4 consultants because they have already solved the problem dozens of times before. This model delivers better quality at lower cost with shorter timelines.

Does EPC Group have the same certifications and partnerships as Big 4 firms?

EPC Group holds Microsoft Gold Partner-level expertise across Power BI, SharePoint, Azure, Microsoft 365, and AI/ML. Our founder Errin O'Connor is a Microsoft Press bestselling author of four books — a credential no Big 4 partner can match. We maintain direct escalation paths to Microsoft engineering teams for complex technical issues. Our certifications are not just badges; they represent 29 years of hands-on enterprise implementation experience.

How does team continuity at EPC Group compare to Big 4 firms?

Big 4 consulting firms experience 30-40% annual consultant turnover, which means your project team changes every 3-6 months. You spend weeks re-explaining context to new people. At EPC Group, the architect who scopes your project is the same person who delivers and supports it. We have zero mid-project consultant rotation. This continuity means no knowledge loss, no re-ramp time, and a team that knows your environment as well as your own IT staff.

What industries does EPC Group specialize in?

EPC Group specializes in compliance-heavy industries where governance failures carry severe consequences: healthcare (HIPAA), financial services (SOC 2, FINRA), government and defense (FedRAMP, ITAR), education (FERPA), and legal. Our compliance frameworks are built into every engagement by default — not sold as an expensive add-on. This specialization means we understand your regulatory constraints before the first meeting.

What happens if scope changes during an EPC Group engagement?

EPC Group uses fixed-fee pricing with clear scope definitions in every SOW. If you request additional scope, we provide a transparent change order with a fixed price before proceeding — there are no surprise bills. If we underestimate effort due to our own scoping, we absorb the cost. This is fundamentally different from Big 4 T&M billing where every conversation, email, and meeting adds to your invoice.

Explore Our Services

Power BI Consulting ServicesAI Governance FrameworkSharePoint ConsultingMicrosoft Fabric ConsultingAzure AI ConsultingTrust & Proof Portfolio

Ready to Compare? Let Us Show You the Difference.

Request a free scoping session. We will show you exactly what our senior architects deliver, what it costs (fixed-fee), and how the timeline compares to your Big 4 proposals.

(888) 381-9725Request Free Scoping Session

Or email us directly at contact@epcgroup.net

Microsoft Strategy: 2026 Considerations for Why Epc Group Vs BIg Consulting

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.

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.

Decision factors EPC Group evaluates

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

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