Top Custom Software Development Companies in New York State

We ranked 6 custom software development companies in New York State on client reviews, how many are verified, service focus and profile completeness. Updated October 2026. How rankings work

Partners that build software around how a business actually works, often replacing spreadsheets and a patchwork of subscriptions with one system the company owns.

Rank 1
8th Light
Chicago custom software consultancy that helps organizations decide what to build, then designs and engineers it, including AI agents and platforms.
No reviews yet
New York, NY
- Custom Software Development
- AI & Automation
- Product Design & Development
Team
100-249 people
Rank 2
DOOR3
New York software consultancy that designs and builds custom applications, portals and AI tools for mid-size and enterprise organizations.
No reviews yet
New York, NY
- Custom Software Development
- UX/UI Design
- AI & Automation
Rank 3
MojoTech
AI-focused software consultancy with a Boulder office, offering AI product work, data modernization, engineering, UX and product management.
No reviews yet
New York, NY
- Custom Software Development
- AI & Automation
- UX/UI Design
Rank 4
Goji Labs
Los Angeles software agency building web and mobile apps and AI products with embedded senior teams for startups and enterprises.
No reviews yet
New York, NY
- Custom Software Development
- Mobile App Development
- AI & Automation
Team
50-99 people
Rank 5
Bolder Apps
Miami mobile and web app agency building iOS, Android and web products on fixed-scope projects for startups and growing businesses.
No reviews yet
New York, NY
- Mobile App Development
- Web Development
- Custom Software Development
Projects from
$30,000+
Team
50-99 people
Rank 6Down 1 from #5
Perpetual
Manhattan agency that designs and engineers websites, mobile apps and custom software for enterprises, mid-size firms and startups.
No reviews yet
New York, NY
- Web Development
- Custom Software Development
- Mobile App Development