App Modernization & Legacy Migration Agencies

Door3

📍 New York

Modernizing businesses through AI, data, and innovative software solutions.

IBM Consulting

📍 New York

Global consulting leader with comprehensive cloud migration services across AWS, Azure, Google Cloud, and Oracle, specializing in enterprise transformations.

Appinventiv

📍 New York

Leading mobile app development company with 1200+ professionals delivering digital transformation for Fortune 500 companies globally.

Slalom

📍 Washington

Modern consulting firm with Slalom Build practice specializing in digital product development and cloud-native application migrations.

Charter Global

📍 Georgia

Leading IT solutions provider specializing in digital transformation, custom software development, and enterprise IT consulting since 1997.

ScienceSoft

📍 Texas

IT consulting and software development company with 22 years in eCommerce, building enterprise solutions for B2B and B2C

Mphasis

📍 New York, California, Florida, Michigan, Colorado

Global IT services company providing legacy application modernization with NeoZeta AI agents and KRYPTON containerization platform for mainframe transformation.

Hexaware

📍 Georgia

Global IT services company providing AI-powered legacy modernization services with proprietary RapidX, Amaze, and Tensai platforms for enterprise transformation.

NTT DATA

📍 Texas

Global IT services company providing mainframe modernization with AWS Premier Consulting Partner status and proprietary UniKix rehosting software for up to 70% cost savings.

The Provato Group

📍 Illinois

Custom software development agency providing legacy application modernization with focus on cloud-native transformation and cutting-edge technology integration.

Andersen

📍 New York

Full spectrum software development and IT outsourcing for healthcare, finance, and logistics with long-term partnership focus.

The Intech Group

📍 Florida

IT services company providing legacy application migration services with 700+ certified integration architects for complex digital landscape transformation.

PwC

📍 New York

Global professional services firm with extensive cloud migration expertise, partnering with AWS, Azure, and Google Cloud for enterprise transformations.

Cognizant

📍 New Jersey

Global IT services company with extensive cloud migration practice, serving businesses with secure workload transitions across all major platforms.

Improving

📍 Texas, Ohio

Technology consulting company specializing in legacy application modernization with expertise in AWS, Azure, and GCP cloud migrations and proprietary AI-powered Code Explorer tool.

Protiviti

📍 Illinois

Global consulting firm providing enterprise data, analytics, AI, and advanced analytics strategies with modern data foundations.

Innova Solutions

📍 Georgia

IT services company providing cloud migration and platform modernization with expertise in legacy application transformation and data center transitions.

Accenture

📍 New Jersey

Global professional services company with 700,000+ employees providing comprehensive cloud migration strategy, implementation, and management services.

Maxima Consulting

📍 Massachusetts, New Jersey

IT consulting firm specializing in legacy system modernization with expertise in code refactoring, containerization, cloud migration, and process automation for enterprise clients.

Innowise

📍 Georgia

Massive IT services provider with 3,000+ professionals and 93% client return rate delivering end-to-end AI with PhD-level data scientists.

Kyndryl

📍 New York

World's largest IT infrastructure services provider offering mainframe modernization with AI and GenAI capabilities for hybrid cloud transformation.

Cloudticity

📍 Washington

Healthcare-specialized cloud migration provider with HITRUST certification, focusing exclusively on healthcare and life sciences sectors.

Sparq

📍 Georgia

Software development company providing custom software development and enterprise app modernization with AI capabilities since 2009.

Compunnel

📍 New Jersey

Cloud consulting and migration services provider with presence across 15+ US states offering legacy application modernization and iPaaS solutions.

Euvic

📍 New Jersey

International software company with 6000+ engineers providing legacy application modernization with meticulous talent curation and 100+ specialized teams.

Astadia

📍 Arizona

Mainframe modernization specialist focused on replatforming legacy applications to cloud-ready solutions with typical savings of 60-80%.

RiverMeadow

📍 California

Cloud migration and modernization platform company providing unified workload mobility across AWS, Azure, Google Cloud, and hybrid environments.

SaM Solutions

📍 South Carolina

Software development company providing legacy modernization with focus on cloud migration, code refactoring, and application re-engineering for long-term partnerships.

Techminds Group

📍 New Jersey

IT consulting firm specializing in application modernization helping businesses transition from legacy systems to modern, cloud-based solutions.

Itransition

📍 Georgia

Custom software development company offering data analytics, engineering, and AI-driven business solutions.

Applied Information Sciences (AIS)

📍 Virginia

Technology consulting company providing software and systems engineering services to government agencies and businesses with application modernization expertise.

TierPoint

📍 Missouri

Infrastructure and managed services provider offering DevOps consulting to accelerate software delivery and optimize cloud operations.

Presidio, Inc.

📍 New York

IT solutions provider offering cloud migration services with structured approaches for full-stack migration including applications, infrastructure, and DevOps.

Imaginet

📍 Texas

Microsoft Gold Partner providing enterprise application modernization with focus on Azure, containers, DevOps, and cloud connectivity.

WinWire Technologies

📍 California

Microsoft Solutions Partner specializing in application modernization, cloud migration, and AI/ML solutions with deep expertise in Azure and OpenAI technologies.

Heirloom Computing

📍 California

Mainframe modernization specialist providing 5X faster migration to Java with cloud-native applications and 65-85% cost savings.

Attain Partners

📍 Virginia

2022 Salesforce.org Consulting Partner of the Year - Education with 950+ implementations across higher education, nonprofit, and public sectors.

TAFF Inc

📍 Florida

IT services company providing mainframe modernization solutions with expertise in cloud integration, business intelligence, and hybrid cloud strategies.

USM Business Systems

📍 Texas, Virginia

IT solutions company providing cloud migration and application modernization services across Virginia, Texas, California, and New York locations.

Tech.us

📍 Connecticut

Software modernization company providing legacy system transformation with focus on agile methodologies and proactive, scalable solutions.

HCLTech

📍 North Carolina, Michigan, California, Washington, Pennsylvania, New Jersey, Illinois

Global technology company driving continuous modernization through CloudSMART strategy and AI Force platform for automated code refactoring.

ePathUSA

📍 Virginia

IT services company providing legacy application modernization with expertise in data migration, cloud solutions, and process automation.

Trianz

📍 California

Cloud transformation specialist with AI-powered CONCIERTO platform for holistic migration across AWS, Azure, and Google Cloud platforms.

AllianceTek

📍 Pennsylvania

Software development company providing legacy modernization and migration services with phased approach minimizing business disruption.