Best US Fintech Software Development Companies

859 Companies - Rankings updated: May 15, 2026

Each agency listed on DesignRush is assessed for industry expertise and customer testimonials are evaluated in order to provide you with a vetted selection. Certain listings represent paid partnerships.

United States ×
  • Think AI Build Bold Analyze Deep

    Think AI Build Bold Analyze Deep

    At Siffrum, we don't just build technology we craft intelligent solutions that drive smarter, faster growth. As a full-stack IT and Software company with a dedicated Data Science wing, we blend innovation with strategy to deliver measurable results. From AI-powered analytics and custom software to scalable  [... view Siffrum profile ]
    Location
    Wilmington, Delaware
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
  • Empowering startups, enterprises, and iGaming ventures

    Empowering startups, enterprises, and iGaming ventures

    Agnito Technologies Pvt. Ltd. is a full-service IT and digital marketing company delivering innovative solutions in web & mobile app development, game development, and online growth strategies. From SEO and social media to cutting-edge software, we help businesses scale and succeed in the digital world.  [... view Agnito Technologies Pvt. Ltd. profile ]
    Location
    Wilmington, Delaware
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
  • Empowering Organizations to Thrive with AI and Cutting-Edge Technological Solutions

    Empowering Organizations to Thrive with AI and Cutting-Edge Technological Solutions

    Dawn IT Services powers B2B growth with smart, cost-efficient solutions that drive measurable results. We specialize in sales outsourcing, sales automation, lead generation, and staff augmentation, helping businesses scale with ease. Our expertise spans robotic process automation, digital transformation, data  [... view Dawn IT Services profile ]
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Minimal Budget
    Under $1,000
  • Software Solutions For Business Acceleration

    Software Solutions For Business Acceleration

    Volvsoft delivers custom software solutions that automate, streamline business processes, and optimize workflows. Our expertise reduces costs and boosts revenue. With innovative, efficient IT services, we empower companies to grow and achieve success.  [... view VolvSoft India Private Limited profile ]
    Location
    Dover, Delaware
    Number of Employees
    50 - 99
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $1,000 - $10,000
  • Your Trusted Digital Transformation And Development Partner

    Your Trusted Digital Transformation And Development Partner

    At Declone Labs, we stand out by being intentionally specialized. Were not a general tech partner we are a highly focused React, Next.js, React Native, and AI Agent development company dedicated to building fast, scalable, and intelligent digital products.  [... view Declone Labs PVT LTD profile ]
    Location
    Sheridan, Wyoming
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
  • Transforming Businesses Through Digital Innovation

    Transforming Businesses Through Digital Innovation

    Webanix Solutions is a results-driven software development company delivering innovative digital solutions for manufacturing industries. We specialize in custom software development, mobile app development, website design, eCommerce solutions, UI/UX design, SEO, and digital marketing services.  [... view Webanix profile ]
    Location
    Boston, Massachusetts
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
  • Enabling Digital Transformations For Communications & Enterprises

    Enabling Digital Transformations For Communications & Enterprises

    Covalense Digital empowers telecom operators and enterprises to succeed in the digital era through advanced cloud, AI, and mobile solutions. Its platforms enable seamless customer journeys from onboarding to billing and care while enhancing experiences and driving growth. With nearly two decades of expertise  [... view Covalense Digital Solutions Pvt. Ltd. profile ]
    Location
    Herndon, Virginia
    Number of Employees
    500 - 999
  • Make AI Work For Your Business

    Make AI Work For Your Business

    Zylo Solutions is an AI-focused software development and digital product agency specializing in AI automation, custom software engineering, UI/UX design, branding, and scalable digital systems. Founded in 2021, the company helps businesses improve operational efficiency, accelerate product deployment, and  [... view Zylo Solutions profile ]
    Location
    Denver, Colorado
    Number of Employees
    50 - 99
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
  • Empowering Businesses Through Innovative Software Development

    Empowering Businesses Through Innovative Software Development

    TechnoBrains Business Solutions is a global software development and AI solutions company founded in 2009, delivering custom web, mobile, AI, and enterprise software solutions for startups, SMEs, and established enterprises worldwide. Headquartered in Ahmedabad, India, with a presence in the United States  [... view TechnoBrains Business Solutions profile ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Minimal Budget
    $10,000 - $25,000

About The Author and Expert Reviewer

Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her unique blend of experiences allows her to approach content creation from a well-rounded perspective. Currently, Selina applies her expertise to producing insightful articles on IT, software, and applications for DesignRush.

Former Development Director

Sergio is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.