Digital transformation company providing application modernization services with focus on continuous innovation, cloud-native technologies, and agile delivery.
Google Partner15+ YearsEnterprise
Custom Software DevelopmentTop 10 Elite
The very best agencies • View detailed Top 10
Agencies 11–25
Strong contenders and rising stars
DevOps consulting company offering services across entertainment, sports, education, eCommerce, retail, and healthcare industries.
15+ YearsLarge Team
DevOps & CI/CDAI/ML Development
Modernizing businesses through AI, data, and innovative software solutions.
15+ YearsMid-Size
Product Engineering (SaaS)AI/ML Development
Top-ranked mobile app development company with 2500+ applications delivered across iOS, Android, and emerging platforms.
15+ YearsEnterprise
Mobile App DevelopmentCustom Software Development
Built to Scale, Driven by Seamless Digital Transformation.
15+ YearsSmall Team
Product Engineering (SaaS)Custom Software Development
IT services company delivering innovative solutions in blockchain, mobile apps, custom software, staff augmentation, and AI integration since 2011.
15+ YearsMid-Size
Staff Augmentation / Dedicated TeamsCustom Software Development
Global IT services company providing legacy application modernization services for complex, business-critical systems with expertise in mainframe technologies and custom tool development.
15+ YearsEnterprise
Legacy ModernizationCustom Software Development
Microsoft Gold Partner specializing in legacy system modernization for Visual Basic, Visual FoxPro, .NET Framework, and MS Access applications.
10+ YearsBoutique
Custom Software Development
MVP development company focused on validating business ideas, winning early customers and attracting investors.
10+ YearsMid-Size
Custom Software Development
Full-service MVP development company with 20+ years experience serving Harvard Business Review and various startups.
15+ YearsEnterprise
Custom Software DevelopmentHeadless Commerce
Large mobile and web development firm with 20+ years experience serving enterprise clients across multiple US locations.
15+ YearsEnterprise
Web DevelopmentAI/ML Development
AI-powered product development firm specializing in intelligent solutions across fintech, healthcare, and enterprise sectors.
5+ YearsMid-Size
Web DevelopmentCustom Software Development
Global software engineering leader with 3000+ engineers and 20+ years experience serving ecommerce and enterprise clients.
Google PartnerAWS PartnerMicrosoft Partner+3 more
Custom Software DevelopmentComplete Top 25 Custom Software Development Agencies in New York
Full numbered list of all 23 agencies
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Complete Top 25 Custom Software Development Agencies in New York
Full numbered list of all 23 agencies
- 1.EPAM Systems — Pennsylvania
- 2.Andersen — New York
- 3.Appinventiv — New York
- 4.Capital Numbers — New York
- 5.HTDHealth — New York
- 6.Computools — New York
- 7.Dom & Tom — New York
- 8.Fingent — New York
- 9.Cinnamon Agency — New York
- 10.Andela — New York
- 11.CI&T — New York
- 12.CONTUS Tech — New York
- 13.Door3 — New York
- 14.Hyperlink InfoSystem — New York
- 15.Imaginary Cloud — New York
- 16.Infograins Software Solutions — New York
- 17.Luxoft — New York
- 18.ModLogix — New York
- 19.NeoITO — New York
- 20.Net Solutions — California
- 21.Sigma Software Group — New York
- 22.TechnoYuga — New York
- 23.Vention — New York
Top 25 Custom Software Development Agencies — FAQ
Common questions about the best custom software development agencies in New York.
Who is the #1 custom software development agency in New York in 2026?
As of 2026, the top-ranked custom software development agency in New York on AgencyCluster is EPAM Systems, with an AgencyCluster Score of 100/100. Rankings are based on verified evidence across credibility, proof of work, reputation, category specialization, delivery maturity, and freshness. Rankings are updated periodically as new evidence becomes available.
How were the top 25 custom software development agencies in New York selected?
This list features 23 agencies selected from AgencyCluster's curated directory. Each agency was evaluated using the AgencyCluster Score (0–100), with particular weight on demonstrated expertise in custom software development. Only agencies with verified credentials are eligible, and rankings cannot be purchased. The agencies on this list average 18+ years of experience. For full methodology details, see our How We Rank page.
What should I look for when choosing a custom software development agency from this list?
Prioritize agencies that lead with a discovery phase before quoting. Ask how they handle requirements changes mid-project. Request references from clients with similar complexity (not just similar industry). Check if they provide architecture documentation and whether they've built systems that have scaled in production.
How much do the top custom software development agencies typically charge?
Custom enterprise software projects typically range from $100K–$1M+. Smaller internal tools or integrations may start at $50K. Post-launch support and iteration usually costs $10K–$40K/month.
Trusted Rankings
Every agency on this list has been reviewed by our editorial team. Rankings are based on our transparent methodology which evaluates credibility, outcomes, and reputation.
No paid rankingsVerified credentialsUpdated regularly
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