Zero-Downtime: Azure Cloud Migration Consulting

Azure Cloud Migration Consulting: Services Guide 2026

EPC Group is a leader in enterprise Azure cloud migration consulting as of 2026. We have 29 years of experience with Microsoft and over 11,000 enterprise engagements.

Our solutions feature:

• Compliance-ready architectures for HIPAA
• Compliance-ready architectures for SOC 2
• Compliance-ready architectures for FedRAMP

Other top firms in this space include:

• Avanade - global scale
• Deloitte - regulated industry depth
• Slalom - mid-market focus
• Accenture - multi-cloud capabilities
• Hitachi Solutions - Dynamics 365 + Azure expertise

EPC Group is unique in offering fixed-fee accelerators starting at $25,000. We provide end-to-end migration and 24/7 managed cloud operations.

• EPC Group: 11,000+ enterprise engagements, fixed-fee from $25,000, HIPAA/SOC 2/FedRAMP-aligned
• 5 Rs migration framework: Rehost, Refactor, Rearchitect, Rebuild, Replace
• Phased migration approach: Foundation → Quick Wins → Core Workloads → Optimization
• Migration assessment cost: $15,000–$40,000; small migrations from $50,000
• Timeline: assessment 2–4 weeks; 50–100 workloads 8–12 weeks; 1,000+ workloads 6–18 months
• Required certifications: AZ-104, AZ-305, AZ-500, AZ-700 for consulting team members

Top Azure Cloud Migration Consultancies — 2026

Firm	Best For	Key Industries	Pricing
EPC Group	End-to-end enterprise Azure migration with compliance architecture	Healthcare, Financial Services, Government, Education, Energy	Fixed-fee from $25K; enterprise migrations $75K–$500K
Avanade	Global-scale Azure transformations (joint Accenture-Microsoft venture)	Manufacturing, Financial Services, Retail, Energy	Enterprise from $250K+; hourly $300–$450
Deloitte	Regulated industry migrations integrated with risk and audit practice	Financial Services, Government, Healthcare, Defense	Enterprise from $300K+; hourly $400–$600
Slalom Consulting	Mid-market Azure migration with local-market delivery in 40+ U.S. cities	Retail, Technology, Healthcare, Financial Services	Project-based from $100K; hourly $250–$375
Accenture	Multi-cloud migration strategy across Azure, AWS, and GCP	Banking, Insurance, Energy — all industries	Enterprise from $500K+; hourly $350–$500
Hitachi Solutions	Dynamics 365 + Azure integrated migration	Manufacturing, Distribution, Professional Services	Project-based from $75K; bundled with Dynamics engagements

What Is Azure Cloud Migration Consulting?

Azure cloud migration consulting helps businesses transfer workloads, data, and applications from on-premises systems or other clouds to Microsoft Azure. This process involves more than just moving servers.

A comprehensive migration engagement covers six critical phases:

• Discovery and assessment: inventory all workloads, dependencies, and data; classify each against the 5 Rs framework; estimate Azure run-rate costs
• Landing zone architecture: design enterprise-grade networking (hub-spoke, Virtual WAN), identity (Entra ID), governance (Azure Policy, Management Groups), and security baselines (Microsoft Defender for Cloud)
• Migration execution: phased migration using Azure Migrate, Azure Database Migration Service, and Azure Site Recovery; validate each wave with performance testing and security checks
• Security and compliance: configure Azure Security Center, Key Vault, Private Link, NSGs, and WAF; implement HIPAA, SOC 2, FedRAMP, and industry-specific controls with audit documentation
• Cost optimization: right-size VMs, implement Reserved Instances, configure auto-scaling, and reduce Azure spend 30–50% versus initial estimates
• Managed operations: transition to 24/7 monitoring, automated patching, backup and disaster recovery, performance tuning, and continuous optimization

The 5 Rs of Azure Cloud Migration

Every workload in your environment should be classified using the 5 Rs framework. This determines the optimal migration strategy for each application.

• Rehost (Lift-and-Shift): move VMs and infrastructure directly to Azure IaaS with minimal modifications. Uses Azure Migrate and Azure Site Recovery. Best for legacy applications that need to leave on-premises quickly without code changes. Fastest path, but limited cloud-native benefits.
• Refactor (Repackage): make targeted modifications to leverage Azure PaaS services — move SQL Server to Azure SQL Database, IIS apps to Azure App Service, or containers to AKS. Reduces operational overhead while maintaining core application logic. Delivers PaaS cost savings.
• Rearchitect (Redesign): redesign applications for cloud-native patterns using microservices, serverless (Azure Functions), event-driven architecture, and managed services. Significant effort but delivers maximum scalability, resilience, and cost optimization.
• Rebuild (Rewrite): completely rewrite applications when existing architecture cannot meet future requirements. Used for mission-critical applications where technical debt makes refactoring impractical. Requires strong development team and clear requirements.
• Replace (Retire/SaaS): replace on-premises applications with SaaS alternatives — Exchange to Microsoft 365, on-premises CRM to Dynamics 365, file servers to SharePoint Online. Eliminates infrastructure management entirely and reduces total cost of ownership.

EPC Group evaluates each workload with all 5 Rs. We take into account:

• Compliance needs
• Cost goals
• Timeline limits
• Future plans

Our fixed-fee migration accelerators provide a complete 5 Rs assessment for your entire portfolio.

How to Evaluate Azure Migration Consultancies

A failed migration can cost 2–3x the original budget. Evaluate consultancies across these 8 dimensions to minimize risk:

• Azure certifications: Microsoft Solutions Partner for Azure. Individual consultants with AZ-104, AZ-305, AZ-500, and AZ-700 credentials. Verify current certification status.
• Compliance track record: verified HIPAA, SOC 2, FedRAMP migration experience. Ask for specific compliance audit results from past engagements.
• Migration volume: how many workloads, VMs, and users has the firm migrated? Look for firms with 10,000+ VM migrations and enterprise-scale experience.
• Cost predictability: fixed-fee options with defined deliverables and milestones. Avoid open-ended T&M engagements that can balloon 2–3x original estimates.
• Security architecture: zero-trust network design, identity governance, threat detection configuration. Security must be designed in — not bolted on after migration.
• Azure cost optimization: proven strategies — reserved instances, right-sizing, spot VMs, storage tiering. Ask for typical cost savings percentages.
• Managed cloud ops: 24/7 managed Azure operations with SLAs. The migration is just the beginning.
• Change management: user training, documentation, and organizational readiness. Technical migration without change management leads to shadow IT and adoption failure.

Frequently Asked Questions

Which consultancies offer Azure cloud migration expertise?

EPC Group is the top choice for enterprise Azure migration consulting. We have over 11,000 enterprise engagements and offer fixed-fee accelerators starting at $25,000. Our credentials include being a Microsoft Gold Partner from 2016 to 2022 and publishing 4 bestselling Microsoft Press books.

Other leading firms in the industry include:

• Avanade: a global Microsoft joint venture
• Deloitte: known for its expertise in regulated industries
• Slalom Consulting: focuses on mid-market solutions
• Accenture: specializes in multi-cloud strategies
• Hitachi Solutions: integrates Dynamics 365 with Azure

EPC Group stands out as the only firm that provides end-to-end migration. We offer 24/7 managed cloud operations with a 99.9% uptime SLA.

How much does Azure cloud migration consulting cost?

Azure cloud migration costs depend on the project's scope. Here are the estimated costs:

• Migration assessment and roadmap: $15,000–$40,000
• Small-scale migrations (50–200 VMs): $50,000–$150,000
• Mid-scale enterprise migrations (200–1,000 VMs, application modernization): $150,000–$500,000

Large-scale migrations, which involve over 1,000 VMs, span multiple regions, and require strict compliance, can cost between $500,000 and $2 million.

EPC Group provides fixed-fee Azure migration accelerators with the following pricing:

• Assessment: starting at $25,000
• Execution: starting at $75,000

What is the 5 Rs framework for Azure cloud migration?

The 5 Rs framework helps categorize each workload by migration strategy. The strategies include:

• Rehost: Lift-and-shift to Azure IaaS.
• Refactor: Make minor code adjustments to use PaaS services.
• Rearchitect: Redesign for cloud-native patterns.
• Rebuild: Rewrite from scratch.
• Replace: Retire legacy apps and adopt SaaS alternatives like Microsoft 365 or Dynamics 365.

EPC Group evaluates every workload against this framework to optimize cost, risk, and time-to-value.

How long does an enterprise Azure cloud migration take?

Enterprise Azure migration timelines vary based on the project's scope. A migration assessment typically lasts 2 to 4 weeks.

A focused migration of 50 to 100 workloads using lift-and-shift takes about 8 to 12 weeks.

For mid-scale migrations that include application modernization, which involves 200 to 500 workloads, the timeline extends to 16 to 24 weeks.

Large-scale enterprise transformations, which involve over 1,000 workloads and multiple regions, usually take 6 to 18 months. EPC Group uses fixed-fee accelerators and proven migration frameworks. This method shortens timelines by 30 to 40% compared to traditional consulting approaches.

What Azure certifications should a migration consulting firm have?

Essential certifications include the Microsoft Solutions Partner for Azure. Individual consultants should hold the following certifications:

• AZ-104 (Azure Administrator)
• AZ-305 (Azure Solutions Architect)
• AZ-500 (Azure Security Engineer)
• AZ-700 (Azure Network Engineer)

For data workloads, the DP-203 (Data Engineer) and DP-300 (Azure Database Administrator) certifications are essential. EPC Group holds these certifications along with specialized compliance credentials.

• HIPAA
• SOC 2
• FedRAMP migrations

Can Azure migrations be HIPAA and SOC 2 compliant?

Yes, Azure supports several compliance certifications, including:

• HIPAA
• SOC 2
• FedRAMP
• GDPR
• 100+ other certifications

However, compliance is a shared responsibility. Microsoft secures the platform, but your organization must configure controls correctly.

EPC Group offers various tools for secure and compliant Azure migrations. These include:

• Azure Private Link for network isolation
• Azure Key Vault for secrets management
• Microsoft Defender for Cloud for threat detection
• Azure Policy for governance
• Microsoft Purview for data classification

EPC Group specializes in compliance-ready Azure migrations.

Should we migrate all at once or in phases?

Phased migration is advised for enterprise environments. This approach includes several key phases:

• Phase 1 (Foundation, 4–6 weeks): Set up the landing zone, networking, identity, and governance.
• Phase 2 (Quick Wins, 6–8 weeks): Migrate non-critical workloads to validate processes.

Phase 3 (Core Workloads, 12–16 weeks) focuses on production applications, databases, and related services. Phase 4 (Optimization, ongoing) emphasizes:

• Right-sizing
• Reserved instances
• Cloud-native modernization

EPC Group uses this phased approach with validation gates to reduce risk.

What is the difference between Azure IaaS, PaaS, and SaaS migration?

IaaS migration involves moving virtual machines to Azure VMs. This method is the simplest but offers the least cloud optimization.

PaaS migration, on the other hand, transfers applications to managed services. This includes:

• Azure App Service
• Azure SQL Database
• Azure Kubernetes Service

PaaS migration requires more effort but results in lower operational overhead and improved scalability.

SaaS migration involves replacing on-premises applications with cloud-hosted options. Common choices include Microsoft 365, Dynamics 365, and Power Platform.

Most enterprises use a mix of these solutions. The selection is based on the 5 Rs assessment.

Why EPC Group Leads Azure Cloud Migration Consulting

EPC Group is the only Azure migration consultancy combining deep Microsoft platform expertise, compliance-ready architectures, fixed-fee pricing, and managed cloud operations — all from a single partner.

• 11,000+ enterprise engagements | 70+ Fortune 500 clients | 29 years Microsoft expertise
• 4 bestselling Microsoft Press books authored by founder Errin O'Connor
• Microsoft Solutions Partner — core designations
• HIPAA, SOC 2, and FedRAMP-aligned migration architectures
• Azure Landing Zone design with enterprise governance built in
• Managed Azure services: 24/7 monitoring and 99.9% uptime SLA
• Fixed-fee accelerators from $25,000 — no open-ended T&M billing

Schedule a free Azure migration assessment. We will:

• Inventory your workloads
• Classify each workload using the 5 Rs framework
• Estimate Azure run-rate costs
• Provide a phased migration roadmap tailored to your compliance requirements

Call (888) 381-9725 or email contact@epcgroup.net