We’ve researched and ranked the best 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 HTML5 App Developers
2 Companies-Rankings updated: September 03, 2026
All mobile app development firms on DesignRush have been assessed for their expertise, portfolio, and verified client reviews. Some listings may be paid.
Serbyte Web Design & Development builds custom websites that function as growth systems, combining web design, Next.js development, SEO, analytics, lead capture, and automation to help businesses turn traffic into leads and sales...
Top Services:
Web Design
SEO
Web Development
Software Development
UI/UX Design
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Location
Kirkland, Washington
Number of Employees
Under 49
Average Hourly Rate
$75/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
6 Projects Listed
Serbyte Services
Web Design
SEO
Web Development
Software Development
UI/UX Design
Digital Marketing
PPC
AI Development
Design Services
Mobile App Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Vets Choice Insurance
RC Concrete
Bespoke Tint & PPF
Entitled
Iron & Oak
Herbanatural CO
Data sourced from the agency's DesignRush profile
Serbyte Reviews & Testimonials
Kris Meyer Owner at Bespoke Tint & PPF
5.0★
Small Businesses Website Development Review from Kris Meyer
Austin rebuilt our website from the ground up and helped turn Bespoke Tint & PPF into one of the top tint brands in Bellevue. The work started with a full redesign of our website, including branding, copywriting, conversion improvements, mobile optimization, and development. The new site immediately performed better and generated more leads after launch.After the website launch, we continued working together on SEO, AI search optimization, paid advertising support, analytics, A/B testing, and ongoing marketing strategy. He also helped improve our review visibility, local search presence, and overall positioning online.What started as a website project became an ongoing growth partnership focused on increasing traffic, leads, and customer acquisition.
Jeff Egbert Review from Google
5.0★
Jeff Egbert's Review Sourced from Google
Austin built or website fast.And it works flawless. And he is always available for you to answer any questions. Or solve any problems.great experience.
Uffy 666 Review from Google
5.0★
Uffy 666's Review Sourced from Google
very innovative and solid work. this service is invaluable in the climate of an ever evolving digital landscape. will definitely be coming back again.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Online Khadamate is a digital marketing agency specializing in international SEO and online business growth. Its services include SEO, GEO, AEO, LLM optimization, Google Ads, and web design, with multilingual strategies designed to help businesses reach global markets. Led by Mohammad Janbolaghi, the company...
Top Services:
AEO
Affiliate Marketing
SEO
Digital Marketing
AI Development
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Location
Girona, Spain
Number of Employees
Under 49
Minimal Budget
$10,000 - $25,000
Online Khadamate Services
AEO
Affiliate Marketing
SEO
Digital Marketing
AI Development
Software Development
Web Design
PPC
Content Marketing
Digital Strategy
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Proposals