Moving to the cloud sounds simple until you are the one responsible for existing systems, live users, and data that cannot afford downtime. For many US companies, cloud migration is less about chasing trends and more about fixing real problems like aging infrastructure, rising maintenance costs, and limited scalability. The challenge is not whether to migrate, but how to do it without breaking what already works.
That is where experienced cloud migration services companies come in. The stronger teams focus on planning, sequencing, and trade-offs, not just tooling. They look at what should move first, what should stay put, and how teams will actually operate after the migration is done. This article looks at leading cloud migration services companies in the USA that approach cloud moves as a long-term operational shift, not a one-time technical task.
1. Програмне забезпечення списку А
At A-listware, we usually work with US companies that know their infrastructure is holding them back, but cannot afford a messy cloud move. A lot of the systems we see have been built up over years, with custom logic, quick fixes, and tools added as the business grew. Our cloud migration work starts by slowing things down a bit and understanding what actually runs the business day to day before touching anything.
We approach cloud migration as a practical transition, not a technical experiment. That means deciding what should move first, what needs cleanup, and what is better left alone for now. Because many of our clients are US-based product companies and internal IT teams, we stay closely involved during and after migration. The goal is not just to move systems, but to leave teams with setups they can manage without constant outside help.
Основні моменти:
- Work directly with US-based companies and teams
- Focus on practical cloud migration, not theory
- Handle complex and custom system setups
- Stay involved through and after migration
- Keep transitions predictable and controlled
Послуги:
- Планування та здійснення міграції в хмару
- Application and infrastructure assessment
- Legacy system migration to cloud platforms
- Cloud environment setup and optimization
- Ongoing support for cloud-based systems
Контактна інформація:
- Веб-сайт: a-listware.com
- Електронна пошта: info@a-listware.com
- Фейсбук: www.facebook.com/alistware
- LinkedIn: www.linkedin.com/company/a-listware
- Адреса: North Bergen, NJ 07047, USA
- Номер телефону: +1 (888) 337 93 73
2. Accenture
Accenture is a large global consulting company, but their cloud migration work is usually grounded in practical change rather than theory. When companies come to them, it is often because their infrastructure has grown messy over time. Old systems, custom tools, and half-finished upgrades tend to pile up. Their teams step in to untangle that setup and map out what actually needs to move to the cloud and what does not.
They usually treat cloud migration as an operational shift, not just a technical task. That means looking at how teams deploy software, manage data, and handle security after the move. In many cases, they help companies refactor existing systems so they make sense in a cloud environment instead of just lifting and shifting everything as-is. The work often continues after migration, especially when internal teams need help adjusting to new ways of running and maintaining their systems.
Основні моменти:
- Works with complex and mixed legacy environments
- Focuses on planning before moving systems
- Handles cloud migration as part of wider IT change
- Involved in post-migration operations and adjustments
- Experience across large enterprise systems
Послуги:
- Планування та здійснення міграції в хмару
- Legacy system assessment and modernization
- Application refactoring for cloud environments
- Cloud infrastructure setup and management
- Security and compliance support during migration
Контактна інформація:
- Веб-сайт: www.accenture.com
- Phone: +17134839090
- Address: 1301 Fannin Street, Houston, TX, 77002
- LinkedIn: www.linkedin.com/company/accenture
- Twitter: x.com/accenture
- Facebook: www.facebook.com/accenture
3. Deloitte
Deloitte is one of those companies that usually shows up when cloud migration gets complicated. Their teams tend to work with organizations that have grown over time and picked up a mix of old systems, custom software, and newer tools that do not always play nicely together. Instead of jumping straight into moving everything, they usually start by figuring out what is actually worth migrating and what should be reworked or left alone.
Their cloud migration work often sits somewhere between technical execution and operational cleanup. They look at how systems are connected, how data moves, and how teams will manage things once the migration is done. In practice, this means helping companies avoid rushed moves that create more problems later. A lot of the effort goes into planning, sequencing, and making sure internal teams are not left guessing once workloads are running in the cloud.
Основні моменти:
- Works with complex and long-established IT environments
- Focuses on planning and system review before migration
- Handles both technical and operational sides of cloud moves
- Often involved in large, multi-system transitions
- Supports teams during and after the migration process
Послуги:
- Cloud migration strategy and planning
- Application and system assessment
- Cloud platform transition support
- Модернізація застарілої системи
- Post-migration operational support
Контактна інформація:
- Веб-сайт: www.deloitte.com
- Phone: +1 713 982 2000
- Address: 1111 Bagby St. Suite 4500 Houston, TX 77002-2591 United States
- LinkedIn: www.linkedin.com/company/deloitte
- Twitter: x.com/deloitte
- Facebook: www.facebook.com/deloitte
4. Козеріг
Capgemini works with companies that usually reach the cloud question after years of adding tools, platforms, and custom systems on top of each other. Their cloud migration work tends to start with sorting out that reality first. They spend time understanding how systems are connected, where the real dependencies are, and what might break if things are moved too quickly.
Instead of treating migration as a one-off project, they usually frame it as a gradual shift. Some systems move early, others later, and a few may need rework before they make sense in a cloud setup. A lot of their involvement continues after the move, especially when teams need help adjusting workflows, monitoring systems, or cleaning up things that only become obvious once everything is live.
Основні моменти:
- Works with layered and long-running IT setups
- Focuses on understanding system dependencies first
- Takes a phased approach to cloud migration
- Involved in both technical and operational changes
- Supports teams after systems are moved
Послуги:
- Планування та здійснення міграції в хмару
- Application and infrastructure assessment
- System refactoring for cloud environments
- Legacy platform transition
- Ongoing cloud operations support
Контактна інформація:
- Веб-сайт: www.capgemini.com
- Телефон: 1-404-806-4200
- Address: 3475 Piedmont Road Suite 1400 Atlanta, GA 30305
- LinkedIn: www.linkedin.com/company/capgemini
- Instagram: www.instagram.com/capgemini
- Facebook: www.facebook.com/Capgemini
5. Технологія DXC
DXC Technology usually works with companies that have been running the same systems for a long time and now feel boxed in by them. A lot of their cloud migration work starts with environments that are heavy on legacy tech, custom setups, and tools that were never meant to scale the way businesses need today. Their role is often less about rushing to the cloud and more about making sense of what is already there before anything moves.
They tend to approach cloud migration as a clean-up job mixed with a transition. Some systems get moved as they are, others need rework, and a few are better retired altogether. DXC often stays involved after migration too, especially when teams need help keeping things stable, managing workloads, or adjusting processes that worked fine on-prem but feel awkward in the cloud.
Основні моменти:
- Works a lot with legacy-heavy environments
- Takes a practical approach to cloud transitions
- Helps teams manage systems after migration
- Used to long-term infrastructure projects
Послуги:
- Cloud migration planning and delivery
- Infrastructure and application assessment
- Legacy system transition to cloud platforms
- Гібридна та мультихмарна підтримка
- Ongoing infrastructure management
Контактна інформація:
- Веб-сайт: dxc.com
- Phone: +18339872723
- Address: 20408 Bashan Drive, Suite 231, Ashburn, VA 20147, USA.
- LinkedIn: www.linkedin.com/company/dxctechnology
- Instagram: www.instagram.com/DxcTechnology
6. SADA
SADA is a cloud-focused company that works with teams that already know they need to move, but are unsure how to do it without creating new problems. Their work often shows up when companies are tired of patching old systems or juggling tools that feel clunky and slow. They help break down what actually needs to move to the cloud and what can be cleaned up or simplified along the way.
They spend a lot of time on migrations that involve collaboration tools, data platforms, and business systems that people use every day. Instead of pushing a big one-time switch, they tend to guide teams through smaller steps so things keep running while the migration is happening. A big part of their role is making sure internal teams understand what changes after the move and how to work with the new setup without constant outside help.
Основні моменти:
- Focuses mainly on cloud-first environments
- Works closely with internal teams during migration
- Takes a step-by-step approach to cloud moves
- Often involved in collaboration and data systems
- Stays practical about what should move and when
Послуги:
- Планування та здійснення міграції в хмару
- Application and data migration
- Налаштування хмарної інфраструктури
- Workspace and collaboration platform migration
- Ongoing cloud support and guidance
Контактна інформація:
- Веб-сайт: sada.com
- Email: support@sada.com
- Phone: 8187662400
- Address: 2701 E. Insight Way, Chandler AZ 85286 USA
- LinkedIn: www.linkedin.com/company/sada
- Twitter: x.com/SADA
- Facebook: www.facebook.com/SADASystems
- Instagram: www.instagram.com/sadasystems
7. Slalom
Slalom is called for companies that want to move to the cloud but do not want it to turn into a drawn-out IT headache. Their teams tend to sit close to the business side, so cloud migration work often starts with how people actually use systems day to day. Instead of treating migration as a backend-only task, they look at workflows, teams, and what will change once systems are no longer running on local servers.
A lot of their cloud projects involve guiding teams through the move rather than doing everything in isolation. They help decide what moves first, what needs cleanup, and how to avoid breaking things that people rely on every morning. Slalom often stays involved after migration, especially when teams need help adjusting processes or getting comfortable managing cloud-based systems on their own.
Основні моменти:
- Works closely with internal teams during migration
- Takes a guided and collaborative approach
- Handles both technical and process changes
- Often supports teams after systems go live
Послуги:
- Планування та здійснення міграції в хмару
- Application and data transition
- Cloud platform setup and integration
- Workflow and process adjustment
- Post-migration support and guidance
Контактна інформація:
- Веб-сайт: www.slalom.com
- Address: 725 Ponce de Leon Avenue NE Suite 500 Atlanta, GA 30306
- LinkedIn: www.linkedin.com/company/slalom-consulting
- Твіттер: x.com/slalom
- Instagram: www.instagram.com/slalomconsulting
8. Perficient
Perficient usually gets involved when companies are trying to move to the cloud but realize their existing setup is not ready for a clean switch. A lot of their work starts with systems that were built years ago, then added onto piece by piece. Instead of forcing everything into the cloud as-is, they help teams slow down and figure out what needs fixing before the move actually makes sense.
Their cloud migration projects often blend technical work with practical decision-making. That can mean refactoring apps, reworking data flows, or helping teams rethink how deployments and updates happen once they are no longer tied to on-prem systems. They tend to stay close to internal teams during the process, especially when the migration affects tools that people rely on daily.
Основні моменти:
- Works with complex application environments
- Blends cloud migration with app modernization
- Works closely with internal engineering teams
- Stays involved through and after migration
Послуги:
- Планування та здійснення міграції в хмару
- Application assessment and refactoring
- Data and system migration
- Інтеграція з хмарною платформою
- Post-migration support and maintenance
Контактна інформація:
- Веб-сайт: www.perficient.com
- Phone: 18554117738
- Address: 20 North Wacker Dr. Suite 1450 & 1560 Chicago, IL 60606
- LinkedIn: www.linkedin.com/company/perficient
- Twitter: x.com/perficient
- Instagram: www.instagram.com/perficient
- Facebook: www.facebook.com/perficient
9. Усвідомлений
Cognizant usually comes into the picture when companies feel stuck between old systems and new expectations. Their cloud migration work often starts with setups that have grown over years and now feel heavy to manage. Instead of pushing a fast move, they tend to spend time understanding how applications, data, and teams are connected before anything changes.
They often treat cloud migration as a chance to fix habits that no longer work. That might mean changing how releases happen, cleaning up dependencies, or helping teams adjust to running systems that are always on. A lot of their involvement continues after the migration, especially when internal teams need help settling into cloud-based operations without adding extra complexity.
Основні моменти:
- Works with long-running and complex system setups
- Understands workflows before migration
- Treats cloud moves as gradual transitions
- Helps teams adjust to cloud operations
- Often involved beyond the initial migration phase
Послуги:
- Планування та здійснення міграції в хмару
- Application and infrastructure assessment
- Data and workload migration
- System restructuring for cloud environments
- Ongoing operational support
Контактна інформація:
- Веб-сайт: www.cognizant.com
- Електронна пошта: inquiry@cognizant.com
- Телефон: (908) 809-7000
- Address: Office 200 Somerset Corporate Blvd Suite 8001 Bridgewater (New York metro) 08807 NJ
- LinkedIn: www.linkedin.com/company/cognizant
- Twitter: x.com/cognizant
- Instagram: www.instagram.com/cognizant
- Facebook: www.facebook.com/Cognizant
10. Інфосис
Infosys is mostly involved with companies that already know their systems are overdue for change but cannot just pull the plug and start over. A lot of their cloud migration work begins with environments that are stable enough to keep the business running, yet slow and expensive to maintain. Their teams tend to step in to map out how everything fits together before deciding what should actually move to the cloud and what needs fixing first.
They often treat cloud migration as a steady shift rather than a big moment. Some systems move early, others later, and some get reshaped along the way so they make sense outside of on-prem setups. Infosys usually stays involved once systems are live in the cloud, especially when teams need help adjusting workflows, managing updates, or keeping operations smooth without constant firefighting.
Основні моменти:
- Works with long-running enterprise systems
- Takes a phased approach to cloud transitions
- Helps clean up systems during the move
- Supports teams after cloud adoption
Послуги:
- Планування та здійснення міграції в хмару
- Application and infrastructure assessment
- Legacy system transition to cloud platforms
- Data and workload migration
- Ongoing cloud operations support
Контактна інформація:
- Веб-сайт: www.infosys.com
- Телефон: +1 512 953 1571
- Адреса: 507 E Howard Ln Building 1, Suite 200 Austin, TX 78753
- LinkedIn: www.linkedin.com/company/infosys
- Twitter: x.com/Infosys
- Facebook: www.facebook.com/Infosys
11. West Monroe
West Monroe works with companies that want to move to the cloud but are trying to avoid turning it into a long and messy IT project. Their cloud migration work often starts with understanding how the business actually runs, not just what servers are in use. They tend to ask practical questions early, like which systems people rely on every day and which ones quietly slow everything down.
Their approach to cloud migration is usually tied closely to process changes. That means they are not just moving systems, but also helping teams rethink how work gets done once those systems are in the cloud. A lot of their projects involve cleaning up workflows, simplifying tools, and making sure teams can actually manage the new setup without constant outside help once the migration is finished.
Основні моменти:
- Focuses on business workflows alongside cloud moves
- Works closely with internal teams during migration
- Avoids rushed lift-and-shift approaches
- Blends technical changes with process cleanup
- Supports teams after systems are live
Послуги:
- Планування та здійснення міграції в хмару
- Application and system assessment
- Cloud platform transition support
- Workflow and process adjustment
- Post-migration operational support
Контактна інформація:
- Веб-сайт: www.westmonroe.com
- Телефон: 800.828.6708
- Address: 2 Liberty Square Boston, MA 02109
- LinkedIn: www.linkedin.com/company/westmonroe
- Twitter: x.com/westmonroe
- Instagram: www.instagram.com/wearewestmonroe
12. Rackspace
Rackspace usually shows up when companies want to move to the cloud but also know they will need help running it afterward. A lot of their cloud migration work starts with teams that are comfortable with their current setup but stretched thin trying to maintain it. Instead of just moving systems and walking away, they tend to focus on what it will take to keep everything running once the migration is done.
They often work with setups that mix old infrastructure and newer cloud tools, which means migrations are rarely clean or fast. Their role is usually to guide the move step by step, handle the messy parts, and make sure teams are not left guessing when something breaks. Rackspace is often involved long after migration, helping with monitoring, updates, and everyday cloud management so internal teams can focus on actual work instead of constant maintenance.
Основні моменти:
- Works with mixed on-prem and cloud environments
- Focuses on long-term cloud operations
- Helps teams manage systems after migration
- Used to handling ongoing infrastructure tasks
- Practical approach to complex cloud setups
Послуги:
- Планування та здійснення міграції в хмару
- Infrastructure and application migration
- Гібридна та мультихмарна підтримка
- Cloud operations and monitoring
- Ongoing managed cloud services
Контактна інформація:
- Веб-сайт: www.rackspace.com
- Телефон: 1800 961 2888
- Адреса 19122 US Highway 281N Ste 128 San Antonio, TX 78258-7667 United States
- LinkedIn: www.linkedin.com/company/rackspace-technology
- Twitter: x.com/Rackspace
- Instagram: www.instagram.com/rackspace_technology
- Facebook: www.facebook.com/rackspacetechnology
13. HCLTech
HCLTech works with companies that have a lot of history in their systems and cannot afford a sloppy move to the cloud. Their cloud migration work often starts in environments where applications have been patched, extended, and reused for years. Instead of treating that as a problem to rush through, they tend to slow things down and figure out how those systems actually behave in real use.
They often approach migration as a mix of technical work and cleanup. Some applications move with minimal changes, others need rework before they make sense in the cloud. HCLTech is usually involved beyond the initial move, especially when teams need help keeping systems stable or adjusting processes that worked fine on older infrastructure but feel awkward once everything is cloud-based.
Основні моменти:
- Works with long-standing and complex system environments
- Focuses on understanding how legacy systems behave
- Takes a structured and phased migration approach
- Involved in both migration and post-move stability
- Supports teams during operational transitions
Послуги:
- Планування та здійснення міграції в хмару
- Application and infrastructure assessment
- Legacy system transition to cloud platforms
- Data and workload migration
- Ongoing cloud operations support
Контактна інформація:
- Веб-сайт: www.hcltech.com
- Email: kamra.a@hcltech.com
- Address: Suite 300, 3rd Floor, Perimeter TWO, 3020 Carrington Mill Boulevard, Morrisville, North Carolina, 27560
- LinkedIn: www.linkedin.com/company/hcl-technologies
- Twitter: x.com/hcltech
- Instagram: www.instagram.com/hcltech
- Facebook: www.facebook.com/HCLTechOfficial
14. Tata Consultancy Services
Tata Consultancy Services usually works with companies that have a lot going on under the hood. Their cloud migration projects often start in environments where systems have been built over many years and tied closely to daily operations. Instead of pushing a fast move, they tend to take time to understand how those systems interact and where the real risks are before anything changes.
Their approach to cloud migration is often steady and structured. Some workloads move early, others need cleanup or redesign first. TCS is often involved not just during the migration itself, but also after, when teams are figuring out how to run and maintain cloud-based systems without disrupting normal work. A lot of their value shows up in keeping things predictable during transitions that could easily get messy.
Основні моменти:
- Works with complex and long-established system setups
- Takes a structured approach to cloud migration
- Focuses on stability during large transitions
- Helps teams adapt to cloud operations
- Often involved beyond the initial move
Послуги:
- Планування та здійснення міграції в хмару
- Application and infrastructure assessment
- Legacy system transition to cloud platforms
- Data and workload migration
- Ongoing cloud operations support
Контактна інформація:
- Веб-сайт: www.tcs.com
- Email: na.marketing@tcs.com
- Телефон: 678-388-3458
- Адреса: Офіс Atlanta Galleria, вежа № 400, Galleria Parkway, Suite 1060, GA 30339
- LinkedIn: www.linkedin.com/company/tata-consultancy-services
- Twitter: x.com/TCS
- Instagram: www.instagram.com/tcsglobal
- Facebook: www.facebook.com/TataConsultancyServices
15. Kyndryl
Kyndryl usually works with companies that are deeply tied to their infrastructure and cannot afford guesswork when moving to the cloud. Their cloud migration work often starts with environments that run core business operations and have little room for downtime. Instead of treating migration as a clean break, they tend to approach it as a careful transition that keeps systems stable while changes happen in the background.
A lot of their work sits at the infrastructure level, which means dealing with things most teams prefer not to touch unless they have to. They help decide what can move safely, what needs redesign, and what should stay where it is for now. Kyndryl often stays involved after migration, especially when companies need help running hybrid setups or managing cloud infrastructure alongside existing systems.
Основні моменти:
- Works heavily with infrastructure-heavy environments
- Focuses on stability during cloud transitions
- Used to handling systems that support core operations
- Takes a cautious and structured migration approach
- Supports hybrid setups after migration
Послуги:
- Планування та здійснення міграції в хмару
- Infrastructure and platform assessment
- Hybrid cloud transition support
- Legacy infrastructure migration
- Ongoing infrastructure operations and support
Контактна інформація:
- Веб-сайт: www.kyndryl.com
- Електронна пошта: sales@kyndryl.com
- Телефон: +1.855.596.3795
- Адреса: 1 Vanderbilt Ave 15th Floor New York, NY 10017 United States
- LinkedIn: www.linkedin.com/company/kyndryl
- Twitter: x.com/kyndryl
Підводячи підсумки
Cloud migration in the US is rarely about a clean switch from old to new. Most of the time, it is about working through years of decisions, systems, and habits without breaking what already works. The companies covered here approach that reality in different ways, but the common thread is practicality. They focus on planning, sequencing, and helping teams adjust along the way.
There is no single right partner for every business. Some teams need hands-on help long after the move, others just want a steady guide through the transition. The smart move is usually to start small, see how the collaboration feels, and build from there. Done right, cloud migration becomes less of a project and more of a reset in how your systems actually support the work you do every day.
