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Top Software Development Companies in New York

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Looking for the best software development company in New York? UpCity compiles authentic reviews, company descriptions, project examples, and more into a list for you to review. Feel confident you're finding the top provider for your business.
Before finding Sigma Software, i was reaching out to other App development companies in which i didn't feel confident enough to handle the project. Then i met Sigma, and right away i noticed how easy they are to work with, and how they understand what is needed. They completed my project, but still work on new features I am adding. The developers, project manager, test engineers are all TOP NOTCH and very professional. My future apps will be built by them without hesitation. Thanks guys!
Most Reviewed
Application TestingGraphic DesignApp DeploymentView all
Business Summary:
Sigma Software is a team of 2,000 IT experts across the USA, Sweden, UK, Canada, Israel, Colombia, Mexico, UAE, Australia, Austria, Poland, Ukraine, and more. We act as a strategic software development partner for enterprises, product houses, and start-ups in various industries around the world.
Industry(s):
Finance | Education | Startups | E-Commerce | SaaS | Automotive
Business Details
Small, Medium, Enterprise
$10,000 or more

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78 Provider(s)Last Updated: November 6, 2024
UpCity Platinum Sponsor
We started working with SmartSites early this year to update our website and we've been very satisfied with their services. While we're still in the pre-launch phase, the improvements we've seen so far are remarkable. We’re confident that once live, our new website will significantly enhance our online presence and better serve our customers. Our Project Manager Jonathan's expertise and dedication have made this process smoother than we’ve ever expected. We are eagerly anticipating the launch and the positive impact it will have on our business.
Most Reviewed
Pay-Per-ClickAdvertisingSearch Engine OptimizationView all
Business Summary:
Outsmart the competition with 🏆 best-in-class digital marketing services. 🚀 Get more traffic. 😍 Acquire more customers. 💰 Sell more stuff. SmartSites is a Google Premier & Facebook Marketing Partner. (201)870-6000 ☎️ for a free consultation. Rated ⭐⭐⭐⭐⭐ and trusted by 1000+ businesses.
Industry(s):
Finance | Dental | Construction | Attorneys | Home Services | Healthcare
Business Details
Small, Medium, Enterprise
$5,000 or more
$2,000 or more, monthly
UpCity Gold Sponsor
The best part about working with this organization is that they are always available. You can contact them at any time and get your questions answered. They also deliver on time and come up with the work you want. The whole team at Webby was quick to respond to our inquiry. Lounge Lizard was also very patient with us while we explained exactly what we wanted, and they were very willing to make changes as we requested them. I am very grateful for all their help and support.
Most Reviewed
Web DevelopmentWeb DesignSearch Engine OptimizationView all
Business Summary:
Since 1998, Lounge Lizard Worldwide has been rated one of the 10 Best Digital Agencies in the U.S.A. Get noticed through Best of Breed websites, mobile apps, digital marketing, SEO, and branding. Lounge Lizard's award-winning Brandtenders and Marketing Mixologists always serve up results.
Industry(s):
E-Commerce | Business Services | Energy | Finance | Healthcare | SaaS
Business Details
Small, Medium, Enterprise
$10,000 or more
$2,000 or more, monthly
UpCity Gold Sponsor
Dedicated Developers is an exceptional team that provided top-notch work and professionalism throughout our mobile application development project. Their agility, technical proficiency, meticulous approach, and outstanding communication skills were impressive. Having an Atlanta-based team made collaboration more convenient and enjoyable. They demonstrated their commitment to understanding our needs and delivering a high-quality product through their attention to detail and comprehensive project plan. Given their expertise and dedication, I highly recommend Dedicated Developers for any development project. Thanks to their exceptional work, we now have a cutting-edge mobile application that will help our business thrive.
Most Reviewed
Mobile Application DevelopmentWeb DevelopmentUser Experience/User InterfaceView all
Business Summary:
We are a top-tier Web and Mobile Application Development company that combines quality, speed-to-market and competitive pricing.
Industry(s):
Business Services | Fitness | Healthcare | Industrial
Business Details
Medium, Enterprise
$10,000 or more
$2,000 or more, monthly
UpCity Gold Sponsor
I've been working with Bit By Bit now for about seven years. I hired them at my last organization, and when I changed jobs, I brought them with me. I value their integrity and can-do attitude above all else, but they have always resolved the IT issues I've brought to them as well.
Most Reviewed
IT Managed ServicesData BackupsData MigrationView all
Business Summary:
Bit by Bit is an information technology (IT) services provider, headquartered in New York, United States. The company specializes in managed IT support, cloud solutions, cybersecurity, and application development services for businesses across various industries.
Industry(s):
Retail | Non-Profit | Finance | Hospitality | Dental | Healthcare
Business Details
Small, Medium, Enterprise
UpCity Gold Sponsor

Saritasa

Newport Beach, CA, US
5.0 | 20 reviews
Saritasa developed a website for the Orange County Chapter of Childhelp for the Childhelp Rich Saul Memorial Golf Classic. It was a very collaborative process, during which we iterated on the designs and general layout of the site. For over 10 years now, Saritasa's very capable staff has been maintaining the website on an ongoing basis. Saritasa’s feedback and follow-up are incredible because we are well informed as to how and when tasks will be completed. We are completely pleased with their responsiveness to our needs. Their accuracy, efficiency, and follow-up are impressive.
Most Reviewed
App DeploymentApp DevelopmentWeb DesignView all
Business Summary:
At Saritasa, we empower businesses through technology. We design and develop custom, commercial-grade software systems that simplify complex operations, create meaningful user experiences, and deliver scalable, enduring business value.
Industry(s):
Business Services | Automotive | Healthcare | Restaurant | SaaS | Sports
Business Details
Small, Medium, Enterprise
$25,000 or more
$5,000 or more, monthly
UpCity Silver Sponsor
When you have an idea and put your heart and soul behind it in hopes of manifestation, the team you build will either make you or break you. When we approached Superior with an intellectual property concept for an application and software suite, with a high level of sophistication and innovation and from nothing but a conceptual model, and subsequently have realized our greatest dreams! We cannot stress this enough, when you partner with Superior, they become part of your trust group, like family and take a vested interest in producing the absolute best possible outcome all around. We have had many, many conversations on our end regarding the dynamic of Superior- and how blessed we’ve been to partner with them as everyone there is truly amazing and a real key-contributor! Here is the short list of our experience and observations of their Team; staggering capabilities regarding manipulation of technologies to make anything happen, un-matched professionalism, communication and insight, the most refreshing positive energy and down to earth approachability imaginable and last but not least, we think there is a little mind-reading capability, but you’ll have to experience that for yourself- We are so glad to have made the decision to go with Superior as it was the key to realizing our dream…so if that’s what your looking for, look no further, you’ve already found the best!
Most Reviewed
Software DevelopmentWeb DevelopmentApp Design & DevelopmentView all
Business Summary:
We help medium and large size corporations design, develop and deploy custom software, mobile and tablet apps.
Industry(s):
Business Services
Business Details
Medium
$25,000 or more
$5,000 or more, monthly
UpCity Silver Sponsor

DD.NYC®

New York, NY, US
5.0 | 21 reviews
Working with DD.NYC was a fantastic experience. Their team was a joy to collaborate with, and they delivered the project right on schedule. I'm thrilled with the outcome and highly recommend their services!
Most Reviewed
Web DesignBranding/PositioningWebsite DevelopmentView all
Business Summary:
DD.NYC® is an award-winning digital design agency focusing on branding, web design, and UI/UX in the heart of NYC. 📍 Our Portfolio: https://dd.nyc/work/
Industry(s):
Hospitality | Food/Beverage | E-Commerce | Travel | Startups | Real Estate
Business Details
Small, Medium, Enterprise
$10,000 or more
$2,000 or more, monthly
UpCity Silver Sponsor
If you are looking for someone to edit your work choose Content Development Pros. They were courteous, patient, and professional throughout the entire experience. I want to give a personal thanks to Sofie Miller and Chris Grayson, I could not have ask for better people to work with. So, if you are looking for editors Content Development Pros is the place to be!!!
Most Reviewed
Content MarketingSearch Engine OptimizationWeb DesignView all
Business Summary:
Look no further if you're looking for content writing solutions. Count on Content Development Pros for all your article writing, blog management, SEO, content marketing, web development, and design related content requirements.
Industry(s):
Business Services
Business Details
Small, Medium
Less than $500, monthly
UpCity Silver Sponsor
Rootstrap was an incredible partner for us to work on developing our first software tool MVP. We built an email strategy automation tool for DTC ecommerce brands, that had 5 complex algorithms & multiple feature sets. Rootstrap acted as a true partner throughout the process, from scoping & helping refine user stories, to proactively identifying methods to reduce development costs and streamline the project. We have been impressed with every single team member we've interacted with & they are one of the best outsourced teams we have ever worked with. We're continuing our partnership with them in an ongoing maintenance plan & development of future versions of the tool. Couldn't recommend them more highly!
Most Reviewed
Software DevelopmentUser Experience/User InterfaceMobile App DevelopersView all
Business Summary:
At Rootstrap, we help companies scale people, processes, and products through outcome-driven development. Through app & web development, staff aug, & UX/UI design, we have: + Taught Google how to run design sprints + Propelled MasterClass to double revenue + Helped Ownable do $2.5M on Black Friday
Industry(s):
Business Services
Business Details
Medium, Enterprise
$10,000 or more
$5,000 or more, monthly
Solving the organizational puzzle of patient information and appointments became effortless with customized software from Glorium Technologies. They demonstrated exceptional project management skills. The communication channels, including Microsoft Teams, emails, and phone calls, ensured a smooth and transparent workflow. Glorium is undoubtedly a go-to partner for seamless healthcare technology solutions.
Most Reviewed
App DevelopmentSoftware DevelopmentWebsite DevelopmentView all
Business Summary:
Glorium Technologies is a tech consulting and engineering company that provides end-to-end digital solutions for Healthcare and Real Estate. We are your one-stop shop for software development services, from planning and building to maintenance and support.
Industry(s):
SaaS | Healthcare | Fitness | Finance | Education | E-Commerce
Business Details
Small, Medium, Enterprise
$25,000 or more
$5,000 or more, monthly
The experience overall was the most impressive. From day one, they worked out every detail and spec of the development. They guide us to make the smartest decisions that are cost-effective.
Most Reviewed
Android DevelopmentMobile App DevelopersWebsite DevelopmentView all
Business Summary:
Riseup Labs is an ISO 9001 & 27001 certified next-generation global IT service and technology solution provider company that helps enterprises reimagine their business and navigate their digital transformation.
Industry(s):
Travel | Startups | Sports | Real Estate | Hospitality | Healthcare
Business Details
Small, Medium, Enterprise
$10,000 or more
$5,000 or more, monthly
Marcell and his team of experts created an amazing portfolio and service website for our digital marketing agency. We especially appreciated the great UX/UI design which ultimately increased not only our conversion rate but also our average conversion value.
Most Reviewed
Web DesignWeb DevelopmentUser Experience/User InterfaceView all
Business Summary:
Wanted for Nothing is a strategic design agency headquartered in Los Angeles. We empower fast-growth companies to realize the true potential of their most valuable digital assets.
Industry(s):
Education | Healthcare | Politics | Retail | Food/Beverage | Finance
Business Details
Small, Medium, Enterprise
$10,000 or more
We have been working with, and leaning on (!) Off-Site Services for over 10 years now. The team have proven themselves over and again, providing fully built solutions to our often specialised requirements - on-time and to budget. If issues arise, they are responsive and always lead us to resolution. We continue to use Max and the team as first-call expert technical resources (out-of-scope of the projects they complete for us), such is our faith in their ability to give us back the right information or methodology. As such, they've saved our bacon on more than a few occasions. And they always make us look good in front of our clients. Here's to many more years of successful partnership!
Most Reviewed
Web DevelopmentWebsite DevelopmentMobile Application DevelopmentView all
Business Summary:
Founded in New York in 2003, we build and support web apps for startups and established companies in Angular, Node.js, React, Drupal, WordPress, and custom PHP and .NET development. In addition to website development and support we also provided ADA testing and compliance / remediation services.
Industry(s):
Industrial | Energy | E-Commerce | Real Estate | Healthcare | Government
Business Details
Small, Medium, Enterprise
$10,000 or more
$2,000 or more, monthly
Hire them! I contacted them for building my custom website for Darden Design Group and redesign my business signatures for online visibility. Napollo team has been quick in understanding my requirements and delivered way above my expectations. No surprises in price and stayed very transparent. recommended
Most Reviewed
Software DevelopmentWeb DesignWeb DevelopmentView all
Business Summary:
Trusted by thousands of businesses for their website management. Napollo is market leader in Web app development, website management and ecommerce website maintenance. Experience quick turnarounds with our world class team of website & ecommerce experts.
Industry(s):
Retail | Restaurant | Food/Beverage | E-Commerce | Automotive | Business Services
Business Details
Small, Medium, Enterprise
$5,000 or more
$1,500 or more, monthly
The whole Aptitude 8 team was incredibly communicative, helpful, and on the ball. Shout-out to our consultant, Bryan, who built us an easy-to-use and efficient Salesforce instance that will support our needs moving forward - something we've struggled for years to develop. He was excellent at taking in our confusion and problems with our former Salesforce instance and transforming the platform accordingly. He was also excellent at explaining the changes he made and training us to use the software better. Two big thumbs up, would definitely work with Aptitude 8 again!
Most Reviewed
Customer Relationship ManagementSoftware DevelopmentMarketing AutomationView all
Business Summary:
Work with seasoned business builders from game-changing startups and the world’s leading technology companies to get things done.
Industry(s):
Business Services
Business Details
Small, Medium, Enterprise
$10,000 or more
$5,000 or more, monthly
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