Top Legacy System Modernization Consultancies

Goji Labs

Verified

An award-winning digital product agency that builds it right.

5.0(94)

5.0

94 reviews

For over a decade, we’ve helped leading brands launch 400+ digital products. Our expertise spans product strategy, UI/UX design, and software development. We believe no great venture should be held back by execution. That’s why we lead with strategy, work as true partners, and build products that scale. We help you define the right thing to build then design, develop, and launch it with clarity and purpose. Our partners have raised over $1B in funding—and counting.

April Innovations

Verified

Full Stack Enterprise App Development Company

5.0(1)

5.0

1 review

We are a full stack software engineering company with focus on Banking and Fintech applications. We have serviced clients in USA, UK and India. Our core areas of expertise are Enterprise Apps, Artificial Intelligence, Mobile Apps, E-Commerce, Platforms. We have worked on projects that has half a million users and have delivered projects with Bank level security. We prefer to work on micro teams model where we build a micro team for each of our client that acts as an extended tech team for the client.

Bafmin

Intelligent Systems for Small Business Operators

5.0(2)

5.0

2 reviews

Bafmin helps small business owners replace manual work with structured, AI-driven systems. Most operators are buried in email, follow-ups, quoting, scheduling, and internal communication. Growth stalls because the business depends on you to move every task forward. We fix that. We design and implement practical automation using proven tools. No custom software builds. No bloated retainers. We connect the systems you already use and turn them into a clean operational backbone. What you gain: • Automated lead capture and follow-up • Streamlined quoting and client onboarding • Clear task workflows and accountability • AI-assisted content and communication • Reduced admin time and fewer dropped balls You move from reactive to controlled. From busy to structured. From operator to owner. Bafmin builds intelligent infrastructure so your business runs without constant supervision.

WD Strategies

Verified

Build a Powerful Digital Footprint

We’re passionate about helping businesses tackle a variety of challenges from the initial website setup to optimizing for online visibility, conducting online advertising campaigns, developing more efficient process, and more. Our team has experts who specialize in disciplines like web design/development, software engineering, marketing, SEO, SEM/PPC, integrations, multimedia development, and different financial focuses ranging from bookkeeping to job cost analysis, financial compliance, transfer pricing issues, and strategy consulting.

Vincit

Digital Development and Design Agency with strong AI capabilities

Vincit is a trusted partner for companies like Logitech, Cisco, The New York Times and LTK in developing their digital products and services. With roots in Finland and presence in the US since 2016 we are now over 500 experts ready to serve you. We combine meaningful user experience design to top-tier technical development for mobile, web and cloud. With the use of latest AI tools, we are able to deliver projects more efficiently and help your organization gain AI-Driven-Development capabilities throughout the collaboration. Ask us for free consultation and quote for your project. We are especially interested in challenging projects with established companies.

Loopstudio

Secure Software Development and Design

5.0(2)

5.0

2 reviews

Welcome to Loopstudio. We are the strategic secure software development partner for businesses that harness the power of technology to create competitive advantages. Our services are designed to support companies launch secure and intuitive software, modernize legacy systems, optimize data ecosystems, and create AI initiatives that deliver ROI. For either SaaS products or business applications, we are a trustworthy and experienced technology partner that delivers high quality software. Our LATAM-based team counts with hundreds of delivered projects under our belts and over a decade partnering with US companies. We partner with CTOs, CIOs, and Product Heads to build and transform exceptional web and mobile products. OUR CORE SERVICES: - MVPs & POCs - Legacy System Modernization - AI-enabled Processes - AI Adoption Roadmap and Projects - Data Engineering / Data Environment Optimization and Modernization - Product Revamp / Redesign - Fractional CTO / Architect - High-Performance Team - Design, Development, Data, and Management

RemoteState

Innovative Transformation of Business with Top-notch Development and Design Solution

RemoteState works in cutting-edge backend and frontend technologies, empowering companies across the globe through innovative solutions and digital transformation. We offer our clients top-notch services that help startups and established corporations alike. Abiding by the principles and best practices of engineering, we serve our clients with the goal of 100% customer satisfaction. RemoteState is growing constantly, in the fields of Mobile App Development, Strategic Consulting, Web Development, Quality Assurance, and even more. We employ a proficient team of seasoned and passionate specialists whose expertise includes a wide repertoire of technologies. Guided by their profound knowledge in niche areas like Go, NodeJs, ReactJs, Kubernetes, Docker, and more, our creative techies constantly work on rich user experience. RemoteState is driven by our passion for innovation and quality as we constantly strive for quick delivery and proactive implementation.

Zestminds is a custom software development company that specializes in building scalable, AI-enabled platforms for startups and SMEs. They focus on backend architecture design, API development, AI integration (including LLM implementations and RAG systems), and responsible legacy system modernization to ensure long-term platform stability and growth.

Naturaily

Headless websites & high-performance storefronts

Naturaily is a Poland-based, software development agency building headless, composable web platforms and high-performance storefronts. We help teams ship faster with modern frontend engineering - Next.js / React / TypeScript - and a strong focus on performance, SEO, and maintainability. We deliver: - Headless websites and composable digital experiences - Design systems and reusable component libraries - Headless CMS implementations and migrations (Storyblok, Sanity, Strapi, Payload) - Integrations and API/BFF work (Node.js, REST/GraphQL) - Shopify builds and modern commerce: Shopify Plus and Hydrogen, plus migrations and performance optimization How we work: pragmatic architecture, clear communication, and delivery you can plan around, optimized for speed, reliability, and conversion-ready UX. Naturaily is ISO 27001 certified and an official partner of Storyblok, Sanity, Strapi, Vercel, and Shopify (Plus tier).

UpTop is a Seattle-based UX modernization agency that specializes in transforming legacy systems into intuitive digital experiences for technology-enabled service companies. They focus on enterprise UX design, conversational UX, journey mapping, and digital strategy to help organizations modernize outdated systems, improve user adoption, and drive sustainable growth.

Marlabs is a comprehensive AI consulting and digital transformation firm specializing in AI strategy, development, and implementation across enterprises. They offer end-to-end services including data engineering, cloud migration, DevOps, application modernization, intelligent automation, and experience design, with particular expertise in their proprietary AgilityAI framework and agentic AI solutions.

mintyfusion Studios is a Vancouver-based digital transformation agency that helps businesses modernize their technology infrastructure and processes. They specialize in leveraging the Canadian Digital Adoption Program (CDAP) $15,000 Boost Your Business Technology grant to fund digital transformation initiatives for small and medium enterprises.

KO Systems is a software development consultancy that delivers custom web applications, cloud architecture on AWS/Azure, DevOps & CI/CD pipelines, AI & automation solutions, and technical audits. They specialize in application modernization, helping organizations transition from legacy systems to modern platforms while maintaining operational continuity.

Imaginnovate

Imaginnovate is a digital strategy and technology solutions provider specializing exclusively in the transportation a...

Imaginnovate is a digital strategy and technology solutions provider specializing exclusively in the transportation and logistics industry. They offer custom technology development through their Logistics Studio discovery process, digital transformation services including cloud migration and AI/ML integration, and dedicated team services for ongoing technology roadmap support.

Macedon is a trusted partner for seamless digital transformation. ​​Our proven practitioners guide organizations through every stage of intelligent automation and full-lifecycle application development, from design to sustainable success. With deep expertise in ​​industry-leading technologies including ​​the Appian AI Process Platform, we blend precision and creativity to craft faster, smarter solutions tailored to your goals. Backed by over 100 clients and 800+ successful engagements, we bring a builder’s mindset and a commitment to excellence to every project. * We are all practitioners. Every team member is both consultant and builder. ​​No dedicated project managers or business analysts,​​ so communication is streamlined and what we design gets built right and works the first time. * We have talent you can trust. Our most senior, award-winning engineers lead Macedon University, a selective program where only proven practitioners advance to client work. ​​We don’t do just-in-time hiring​​; every hire is vetted, trained, tested, and ready before they join a team. It’s why our lean teams consistently outperform large integrators. * We deliver speed without sacrifice. Our delivery model rewards both quality and velocity. Teams are ​​uniquely incentivized to work with precision and accountability,​​producing measurable ROI and scalable solutions that keep ownership costs low.​​

Shockoe

Shockoe specializes in hospitality and golf app development, focusing on modernizing legacy platforms and de-risking.

Shockoe specializes in hospitality and golf app development, focusing on modernizing legacy platforms and de-risking technology migrations for heritage brands. They offer platform modernization, booking engine optimization, legacy system integration, and digital risk diagnostics using their proprietary Digital Experience Framework (DXF).

Liatrio

Liatrio partners with enterprises to accelerate AI adoption and digital transformation through comprehensive solutions.

Liatrio partners with enterprises to accelerate AI adoption and digital transformation through comprehensive solutions including AI-native workflow implementation, platform engineering, application modernization, and workforce enablement. They specialize in transforming legacy systems into cloud-native, AI-ready architectures while focusing on human-centered organizational change.

Prioxis

Prioxis is a client-centric software development company specializing in custom software solutions, cloud-native.

Prioxis is a client-centric software development company specializing in custom software solutions, cloud-native applications, and intelligent automation. They offer comprehensive services including ERP solutions, CRM development, fintech software, legacy application transformation, and MLOps implementation across various industries.

Perfecent is a professional services agency based in Totowa, New Jersey that appears to be launching soon with a focus on innovative solutions. While their website is currently under construction, the company name suggests a specialization in creating perfect or optimized solutions for clients across various industries.