Top 5 Data Migration Consultants in 2026

If your business has been around for a while, you probably need to update the technology you use. You may also need to move data between databases and cloud platforms, but it’s not as simple as copy-pasting files from one place to another. You need to make sure everything keeps working, and your data stays safe. That’s where data migration consultants come in, helping keep the process smooth so you can avoid expensive mistakes.

However, when choosing a company in this niche, you need to consider their technical skills and experience. What practices do they use? Do they offer support after the project has launched? Are they reliable and transparent? With that in mind, we’ve picked five companies you can trust with your data.

Table of Contents

1. N-iX

N-iX is an international software engineering company that offers data migration services. With more than 24 years of experience, their data migration consultants help businesses update older systems and move databases and data platforms to the cloud. They build modern data environments so your team can work better.

N-iX has over 270 certified cloud experts and more than 200 data specialists. Together, they have completed over 150 cloud projects in the past five years.

These consultants offer data migration solutions that include:

Cloud infrastructure
Legacy system migration
Data platform migration
Database migration
Analytics migration
DataOps and MLOps

N-iX works with major cloud platforms, including Amazon Web Services (AWS), Microsoft Azure, and Google Cloud. Its technology expertise also includes Databricks, Snowflake, and other enterprise data tools.

The company follows a three-stage migration process:

Discovery, where the team reviews existing architecture and designs a plan.
Implementation, where engineers set up the new environment and move the data.
Validation, where specialists check the migrated data and provide further support.

N-iX also uses AI tools in its migration work through its own APEX framework and has strong cloud partnerships:

AWS Premier Tier Services Partner
Microsoft Solutions Partner designations for Digital & App Innovation and Data & AI
Google Cloud partner

With its cloud expertise and structured approach, N-iX can support businesses throughout the full migration process.

2. Accenture

Accenture is a global technology consulting company with experience in cloud transformation and data engineering. This data migration consulting company helps businesses move from older applications to modern platforms. The process can include:

Reviewing current infrastructure
Planning the migration
Transferring data
Checking the accuracy
Improving the new environment

Accenture helps businesses move data to AWS, Microsoft Azure, and Google Cloud. Its work with Databricks includes a cloud data migration solution for companies updating their data platforms. Accenture’s key strength is its experience with large projects involving many systems and teams.

3. IBM Consulting

IBM Consulting provides technology consulting and implementation services, as they focus on enterprise transformation and data modernization. IBM’s data migration teams help businesses move information between different systems and storage environments. This can be part of an upgrade or infrastructure consolidation, as well as a general move to cloud services.

IBM supports public, private, hybrid, and multicloud environments. Its consultants can:

Review existing systems
Plan the migration
Update data infrastructure
Make sure the new setup meets business needs

IBM also focuses on improving systems during migration, which can help you fix outdated technology. IBM Consulting is a good option for large organizations with complex IT systems, especially those using hybrid cloud environments or existing IBM technologies.

4. Deloitte

Deloitte is a global professional services company that offers data management services, among other things. Its data migration services help businesses:

Plan system upgrades
Improve data management
Move to modern data platforms

The company also works with data engineering and data quality. Deloitte supports the migration of analytics and reporting systems.

The company can:

Review existing data
Prepare a migration plan
Manage the transfer
Check that information is accurate after the move

The company also places a strong focus on quality and project control. Its teams use testing to help prevent data loss or errors during migration. With experience in regulated industries, Deloitte is a good option for businesses that need strong, careful oversight.

5. Capgemini

Capgemini is an international technology consulting company offering data management and digital transformation services, as well as cloud migration. Its data migration work includes:

Planning
Data architecture
Integration
Managing the migration process

The company helps businesses move information from different systems to new applications and platforms. Capgemini works with tools such as Azure Data Factory, Python, Informatica, and other data integration technologies. The company also focuses on data quality during migration — its teams review and organize data to find errors. They make sure the transferred information meets your business needs.

Capgemini’s experience in cloud platforms and analytics for enterprises makes it a good option if you need to update several systems for your business.

Conclusion

The right consulting partner can help businesses move data safely and avoid issues along the way. However, it’s important to partner with the right company to avoid potential pitfalls along the way.

All five companies on our list can help you migrate your data. N-iX, for example, combines over 200 data specialists with a three-stage migration approach, while larger firms like Accenture and IBM bring scale for enterprise-wide transformations. Therefore, you need to define your needs and budget first and then shortlist a few companies that suit your business best.