We’ve researched and ranked the best United States HTML5 mobile app development agencies that build sophisticated and high-quality apps that help brands drive more loyal customers and sales. Compare listings by past work, reviews, cost and size to pick the best fit for you.

Best US HTML5 App Development Agencies

112 Companies-Rankings updated: September 03, 2026

We evaluate every agency on DesignRush according to expertise credentials and client satisfaction ratings. Some placements are sponsored.

HTML5
Fintech
$1,000 - $10,000
Sort by: Sponsored
United States × HTML5 Mobile App Development × Fintech × $1,000 - $10,000 ×Clear Filters

  • Fountain City

    Autonomous AI systems that do real work

    Production-grade autonomous AI for real business operations...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • UI/UX Design
    • Web Development
    • Show more
    Location
    Portland, Oregon
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile
    5.0 5.0 (2)

  • Straxum Technologies

    Custom Web Solutions in 24 Hours: Expertise Redefined!

    At Straxum Technologies, we excel in offering website development and web design solutions. Our top-of-the-line developers are ready to tackle any project. Entrust us with your tasks and explore future opportunities...

    Top Services:

    • Digital Services
    • Web Design
    • eCommerce Development
    • WordPress Website Design
    • Web Development
    • Show more
    Location
    Trumbull, Connecticut
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile
    5.0 5.0 (5)

  • OSM 3 Technologies

    Cutting-Edge Digital Solutions Made To Improve Your Online Visibility

    OSM 3 Technologies offers IT solutions and services designed to optimize business processes and improve digital workflows...

    Top Services:

    • Web Development
    • Web Design
    • Mobile App Development
    • Software Development
    • AI Development
    • Show more
    Location
    Austin, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $110/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile

  • Bay Area Coders

    Strategy, design, engineering, and AI

    Bay Area Coders is a San Francisco-based product and engineering studio working with venture-backed startups and growth-stage companies since 2016. We combine strategy, design, engineering, and AI to help teams ship real products and modernize existing ones...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • AI Development
    • Design Services
    • Show more
    Location
    Roseville, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile

  • Warp Development

    AI strategy and delivery that works in production, not just in demos.

    We help organisations close the gap between what AI could do for their business and what it is actually doing with the strategy, engineering, legacy modernisation, and enablement to make it work in production...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Managed Services
    • eCommerce Development
    • Show more
    Location
    Atlanta, Georgia
    Number of Employees
    100 - 249
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile
    4.7 4.7 (13)

  • Blood & Treasure, LLC

    Your SkunkWorks Dev Team

    Blood & Treasure provides consulting and technical support services in all areas of software development and team management. 20+ platforms developed. Over $80m raised from our MVPs. 10+ years in business serving enterprises (Citrix, Gap, Nike) and start-ups (Thnks, Altru, Dollaride)...

    Top Services:

    • Product Design
    • Graphic Design
    • Web Design
    • UI/UX Design
    • Web Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $90/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile

  • Xtreme Design House

    Think Of Innovation, Think Of Xtreme!

    Xtreme is a versatile design house known for its commitment to delivering unique and creative design solutions across various IT services including websites, logos, applications, animations, and stationery. The team at Xtreme embodies a lifestyle of innovation and collaboration, making it easy and enjoyable...

    Top Services:

    • PPC
    • Mobile App Development
    • Web Development
    • Web Design
    • Software Development
    • Show more
    Location
    Houston, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile

  • Saffrontech

    Innovating Digital. Empowering Growth.

    Saffron Tech is a digital transformation company that delivers scalable web, mobile, and AI solutions tailored to drive measurable business outcomes across industries...

    Top Services:

    • eCommerce Development
    • WordPress Website Design
    • Web Design
    • Social Media Marketing
    • eCommerce
    • Show more
    Location
    Newark, New Jersey
    Number of Employees
    100 - 249
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile

  • FireBee Techno Services Pvt Ltd.

    Your Vision Is Our Mission

    Fire Bee Techno Services is an ISO-certified AI And Blockchain development company with a proven track record of 500+ successful projects. We are dedicated to turning innovative ideas into impactful solutions...

    Top Services:

    • Mobile App Development
    • Digital Marketing
    • Web Development
    • Graphic Design
    • Blockchain
    • Show more
    Location
    Fort Lauderdale, Florida
    Number of Employees
    250 - 499
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    Visit WebsiteView Profile

  • Emorphis Technologies

    Think-Do-Achieve

    Emorphis Technologies is a software development company having offices in the USA, UK, in India, offering its services for Digital transformation in enterprise mobility solutions, cloud computing services, backend development, salesforce consulting services, healthcare software development and more...

    Top Services:

    • Mobile App Development
    • Software Development
    • IT Services
    • CRM Consulting
    • Cloud Consulting
    • Show more
    Location
    Broadlands, Virginia
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile
    4.3 4.3 (1)
    4.0 4.0 (55)

  • Siffrum

    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...

    Top Services:

    • eCommerce Development
    • Web Development
    • AI Development
    • Mobile App Development
    • Blockchain
    • Show more
    Location
    Wilmington, Delaware
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile
    5.0 5.0 (8)

  • Techsigma Global Technology Solutions

    "Innovate, Build, Succeed, Repeat"

    Techsigma Global specializes in a wide range of services, including custom software development, web and mobile app development, DevOps services, and IT managed resources. We cater to startups, SMEs, and large enterprises, providing scalable and robust solutions tailored to each clients specific nee...

    Top Services:

    • Software Development
    • Mobile App Development
    • Cloud Consulting
    • AI Development
    • Digital Services
    • Show more
    Location
    Alpharetta, Georgia
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile

Related Mobile App Development Specializations in the US

Popular Services

Latest Trends Related to HTML5 Mobile App Development

iPhone vs Android Statistics
App Development

iPhone vs. Android: 60+ Key Market Statistics Every Business Should Know

20,352
Mobile App Development AI Tools
App Development

I Tested the Top 5 Mobile App Development AI Tools: Here’s What Stood Out

38,794
No-Code App Builders
App Development

Top 5 No-Code App Builders Reviewed — Which One Came Out on Top?

26,961

ReceiveFreeProposals

For your project

1

Specify your budget, timeline and project requirements

2

Our experts curate a list of up to 5 most qualified candidate agencies

3

We connect you with them so you can choose the most suitable partner

Specify your requirements