Top 70 Application Modernization Companies in New York City
March 2023Looking for a top legacy modernization service in New York City?
Application modernization companies can help create new business value from existing applications. Finding the right company to partner with, however, can be an overwhelming process.
To assist you in your search for a partner, we’ve compiled this list of the top application modernization services in New York City. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best New York City Enterprise Application Modernization Services
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1
- $25,000+
- 50 - 249 employees
- New York, NY
DOOR3 is a software development company headquartered in New York, NY. Founded in 2002, DOOR3 has grown to a team of about 60 employees that serves mostly enterprise and mid-market business. They provide software, web, and mobile app development, UX/UI design, and enterprise app modernization.
Clients
- Achievement Network
- AIG
- Alvin Ailey American Dance Theater
- American Museum of Natural History
Industries
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DOOR3 assessed the website of a recycling company to identify areas of improvement. Then, they redesigned and redeveloped their entire web experience to address the issues they found.
“DOOR3 was able to put everything together and help us achieve what we wanted.”
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2
- $10,000+
- 250 - 999 employees
- Brooklyn, NY
Five is web and mobile app development agency headquartered in New York with offices in Croatia. The 50+ person product team has been creating stunning, award-winning mobile products since 2008.
Clients
- Rosetta Stone
- Marriott International
- Crestron
- AccuWeather
Industries
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Five helped with an IT company's user acquisition strategy. The team created a sales funnel that could increase the client's app installs. They're set to work on the client's product optimization efforts.
"They’re incredible listeners and also strategic thinkers."
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3
- Undisclosed
- 1,000 - 9,999 employees
- New York, NY
Kin + Carta is a tech-centered management consultancy based in Chicago. Founded in 1964, they also have offices in London, San Francisco, New York, and Singapore. Their team of approximately 3,000 focuses primarily on enterprise clients in the financial services and health care fields. Services include mobile app development, cloud consulting, and more.
Clients
- AstraZeneca
- Expedia
- Santander
- Barclays
Industries
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Kin + Carta helped an internet company's client with the UX side of developing a voice ordering assistant. They worked on a lot of integrations with the backend between the restaurant's menu and the assistant.
"Kin + Carta had the hard skills when it came to building an engaging ordering assistant."
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4
- $5,000+
- 10 - 49 employees
- New York, NY
NIFTIT is a design and development agency based in New York, with an office in Ho Chi Minh City, Vietnam. The agency, founded in 2013, has a team of around 20 that provides, among others, ECM consulting & SI, IT managed services, and applications management & support services to various organizations, institutions, and companies.
Clients
- The New York Metropolitan Transportation Council
- The Sports & Arts in Schools Foundation (SASF)
- Viedam
- Smile Train
Industries
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Seeking to unite their geographically dispersed staff, a children’s medical nonprofit hired NIFTIT to provide SharePoint services.
"The team is sensitive to our needs."
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5
- $25,000+
- 10 - 49 employees
- New York, NY
Def Method is a software development company based in New York City. Founded in 2014, the team of 21 specializes in custom software development, web development, IT staff augmentation, AI, and more. They work primarily with large and mid-sized businesses, focusing on financial services, real estate, and IT.
Clients
- Walmart
- Citibank
- Dick's Sporting Goods
- Casebook PBC
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A retailing company hired Def Method to provide staff augmentation services. The efforts involve hiring product managers, organizing the work for engineers, among other staff tasks.
"I’m proud of the work they’ve done for us."
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6
- $25,000+
- 50 - 249 employees
- New York, NY
Custom software development company Singularity was established in 2015. The small Lukavica, Bosnia and Herzegovina-based team provides custom software development, mobile app development, e-commerce development, application management & support, and more.
Industries
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Singularity serves as a longtime web development partner for a creative agency. They help the agency develop the source code for various custom websites and provide maintenance support.
"We’ve been most impressed with the quality of their deliverables."
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7
- $50,000+
- 10 - 49 employees
- New York, NY
Located in New York City, Lightmatter is an agency offering web and mobile app development, design, and other digital services. Their team of under 50 employees serves mostly enterprise businesses in industries like financial services, gaming, and healthcare. They were founded in 2013.
Clients
- NYU Langone
- McCann Health
- Robert Wood Johnson Foundation
- Galileo
Industries
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Following a thorough discovery phase and competitor landscape analysis, Lightmatter created a unified site and template for a fertility clinic network. They scaled branded design assets across 24 clinic sites.
"They worked with us to customize different aspects of the web product to meet the needs of our specific constituents."
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8
- $25,000+
- 10 - 49 employees
- New York, NY
Coalesce is a New York City-based development shop with expertise in software, web, mobile app development, and UX/UI. Founded in 2006, Coalesce has a small team of about 10 employees, all of whom are committed to building exciting and engaging products for mostly mid-market companies. They also have a small business and enterprise presence.
Clients
- Air Liquide
- Inman News
- Knopman Marks
- Rodale
Industries
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Coalesce provided a full rebrand to a digital publishing house. They created a 41-page brand book, including the client's logo, style, personas, visual identity, brand statements, and brand applications.
"They did an amazing job interpreting what we meant to say and translating that into the final product."
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9
- $10,000+
- 10 - 49 employees
- New York, NY
7L International, a small software development company, is based in New York, New York. Launched in 2016, the team focuses on custom software development, mobile app development, e-commerce development, and IoT development.
Clients
- TikTok
- PowerPlay Studio
- Company
- Quake Media
Industries
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7L International worked with an electronics manufacturing company to modify and update the existing code for their ERP system. The team is working on creating new code versions and cleaning the existing codes.
"So far I cannot think of anything that could have been done differently."
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10
- $100,000+
- 50 - 249 employees
- New York, NY
Stride is a New York City-based software development company that embraces agile development practices. Founded in 2014, Stride has proven itself as product development experts, with experience with software, websites, e-commerce, mobile apps, and IoT.
Clients
- Spotify
- Stash
- Codecademy
- Casper
Industries
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Stride quickly provided staff augmentation for work on a teacher dashboard, UX, and building educational content. They have an on-site consulting model and currently work on refining the payment system.
"Stride’s engineers definitely are like additional members of the team."
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11
- $100,000+
- 250 - 999 employees
- New York, NY
Founded in 2007, Theorem is a software development firm. The midsize team specializes in custom software development, ux/ui design, IoT development, IT strategy consulting, and more. The company is based in Los Angeles, California; Santa Monica, California; New York, New York and San Francisco, California.
Clients
- AT&T
- Starbucks
- Caterpillar
- American Express
Industries
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TheoremOne developed a strategy and an MVP for an oil and gas construction marketplace. They provided a full delivery team, two full stack engineers, and QA testers.
"Their thought-leadership in design and their ability to quickly pick up on what we were looking for from the platform."
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12
- $10,000+
- 10 - 49 employees
- New York, NY
Epicenter Consulting is a web and mobile development company based in New York, with an additional location in Houston. Founded in 2008, this company has 15 employees. Services provided by Epicenter Consulting include custom software development, enterprise app modernization, and UI/UX design for businesses of all sizes.
Clients
- Qualified Hardware
- HR Options
- Invision
Industries
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Using ColdFusion and JavaScript, Epicenter Consulting developed a comprehensive custom payroll and billing software app. In collaboration with the in-house team, they continue to work on improving the product.
"Their execution has been effective and it has made for a fluid and smooth process."
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13
- $25,000+
- 10 - 49 employees
- New York, NY
Blenderbox is a digital agency based in New York and established in 1999. Their team of 24 employees focus on web development, UX/UI design, and web design for primarily small businesses and nonprofits.
Clients
- NYC Department of Education
- NYC Mayor’s Office for Economic Opportunity
- NYC Mayor's Office for Climate and Environmental Justice
- NYC Department for the Aging
Industries
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Blenderbox created a customized digital platform for sharing resources across a diverse, sprawling organization. They incorporated firewalls to address individual user accessibility and crafted a clean design.
"They're capable, responsive, and we have an excellent relationship."
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14
- $10,000+
- 10 - 49 employees
- Brooklyn, NY
Founded in 2009 and headquartered in Brooklyn, Mediaset is a digital agency that works with companies in the financial services, real estate, retail, manufacturing, and e-commerce industries. A team of 50 provide web, custom software, mobile app, and e-commerce development services to clients.
Clients
- VAMDODOMA LLC
- SOROKA
- SportiCo LLC
- APG Homes
Industries
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Mediaset LLC was hired to rebuild a clothing distributor’s website to create a more modernized look. The team designed and developed the platform using Bitrix.
"Our value doubled, and the quantity of orders tripled."
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15
- $100,000+
- 10 - 49 employees
- New York, NY
Rose Digital is a technology consulting firm based in New York City. Founded in 2014, their small team of 5 specializes in mobile app development, web development, and AI. They work with midmarkets, enterprises, and small businesses, focusing on advertising and marketing, business services, arts, entertainment, and music.
Clients
- Annex88
- Adidas
- Airbnb
- Skanska
Industries
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Rose Digital built a web–based augmented reality (AR) experience that enabled global users to interact with 3–D product animations. This individualized animation was viewed by a worldwide audience.
"We had thousands of users per second, and Rose was prepared to handle more."
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16
- $10,000+
- 250 - 999 employees
- New York, NY
XDuce, a business intelligence company and cloud consulting & SI company, is based in Edison, New Jersey. The small company was founded in 2006. Their services include BI & big data consulting & SI and cloud consulting & SI.
Clients
- IEEE
- QBE North America
- NewYork Presbyterian
Industries
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XDuce provides web development and UI design services for an insurance company. They’ve developed a web-based security control assessment tool using Azure, Angular, .NET, and SQL Server, among other projects.
“The team is willing to stretch themselves beyond the core task.”
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17
- $250,000+
- 1,000 - 9,999 employees
- New York, NY
Founded in 2004, Infostretch is an application testing company. The large Santa Clara, California-based team focuses on application testing, enterprise app modernization, BI & big data consulting & SI, cloud consulting & SI, and more.Visit SiteIndustries
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18
- $5,000+
- 10 - 49 employees
- New York, NY
Cloudacio is a cloud consulting & SI company. Their small team is in New York, New York. Their services include cloud consulting & SI, IT managed services, IT staff augmentation, enterprise app modernization, and more. The agency was established in 2021.
Industries
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Cloudacio provided cloud migration services for a government IT solutions provider. The team created a solution to help local governments migrate to the cloud and streamline their government operations.
"Cloudacio is a trusted partner for local US governments looking to deploy portals on the AWS cloud."
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19
- $25,000+
- 250 - 999 employees
- New York, NY
Scrums.com is a custom software development firm. Established in 2012, the midsize firm is in San Francisco, California. Their team offers custom software development, web development, mobile app development, application management & support, and more.Visit Site -
20
- Undisclosed
- 10 - 49 employees
- New York, NY
IT staff augmentation company Matter Product Studio is headquartered in New York, New York. Launched in 2017, the small team focuses on IT staff augmentation, enterprise app modernization, ux/ui design, product design, and more.Industries
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A dark grocery store engaged with Matter Product Studio for their web and mobile app development services. The team's tech stack consists of React, Python, Django, Oracle NetSuite, Algolia, and PostgreSQL.
"They’re able to communicate clearly and consistently stay on budget, thanks to their customer success manager."
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21
- $10,000+
- 50 - 249 employees
- New York, NY
Midsize app development firm Teqnovos, is in New York, New York; Oakville, Canada and Sahibzada Ajit Singh Nagar, India. Their services include mobile app development, web development, custom software development, enterprise app modernization, and more.
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Teqnovos built an MVP for a fence construction software firm and is now completing the platform's first version. They utilize tools such as Laravel, PHP, and Adobe XD. They've also integrated Google Maps API.
"Their consulting capabilities have been impressive."
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22
- $50,000+
- 10 - 49 employees
- Brooklyn, NY
Next Horizon Tech Solutions is a Brooklyn, New York-based custom software development company. The small company was founded in 2015. Their services include custom software development, web design, ux/ui design, web development, and more.
Industries
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Next Horizon Tech Solutions created custom software for an accounting services company using Python. The program generates reports that consolidate a database with accounting software and sorts documentation.
"They knew what they were doing and created the software we were looking for."
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23
- $10,000+
- 250 - 999 employees
- New Hyde Park, NY
Staqo World Pvt. Ltd is an application development company. Their midsize team is based in Noida, India and Sydney, Australia. The company focuses on mobile app development, custom software development, Artificial Intelligence, blockchain, and more.Visit SiteIndustries
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24
- $1,000+
- 10 - 49 employees
- New York, NY
Wolf - OnDemand Staffing Software is an enterprise app modernization company headquartered in New York, New York; Santiago, Chile and Bogotá, Colombia. Established in 2016, the small team offers enterprise app modernization, custom software development, mobile app development, other application development, and more.Visit SiteIndustries
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25
- $50,000+
- 10 - 49 employees
- Bronxville, NY
Apollo 350 is a software development firm. They focus on custom software development, web development, enterprise app modernization, mobile app development, and more and were launched in 2017. The company is headquartered in Bronxville, New York.Visit SiteClients
- TelevisaUnivision
- NBCUniversal
- Condé Nast
- startups
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26
- $50,000+
- 2 - 9 employees
- New York, NY
EE Solutions is an enterprise app modernization company. Launched in 2017, the team focuses on enterprise app modernization, custom software development, ux/ui design, mobile app development, and more. Their small company is New York, New York-based.Visit SiteIndustries
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27
- Undisclosed
- 1,000 - 9,999 employees
- New York, NY
Compunnel Digital is an app development company. The midsize Plainsboro Center, New Jersey-based company was launched in 1994. Their services include mobile app development, custom software development, ux/ui design, CRM consulting and SI, and more.Visit SiteIndustries
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28
- $25,000+
- 250 - 999 employees
- New York, NY
Pythian is an IT company based in Ottawa, Canada with offices in San Francisco, New York City, London, Sydney, Australia and Hyderabad, India. Founded in 1997, the team of 400+ specializes in BI and big data consulting and SI, cloud consulting and SI, and IT managed services. They work with midmarket and enterprise clients in the advertising and marketing, financial services, and gaming industries.
Visit SiteClients
- Fox Sports
- Sonos
- Shutterfly
- Blackberry Messenger
Industries
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29
- $5,000+
- 50 - 249 employees
- New York, NY
Hoff & Mazor is a midsize application development firm. They provide mobile app development, enterprise app modernization, wearable app development, and other application development and were established in 2015. The firm is headquartered in Casper, Wyoming.Industries
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A travel agency hired Hoff & Mazor to develop an all-in-one travel app allowing users to manage and book their trips. Before creating the app, the vendor offered suggestions based on the client's concepts.
"Hoff & Mazor was one of a kind. They were professional and experienced and delivered high-quality services each time."
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30
- $5,000+
- 10 - 49 employees
- New York, NY
Softescu is a small website development firm. Established in 2008, the company is headquartered in New York, New York and Bacău, Romania. Their team offers web development, mobile app development, enterprise app modernization, blockchain, and more.
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