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5.0 out of 5, based on 32 real reviews.
9 Companies | Ranking updated: Sep 30, 2025

Top Performing HTML5 Web Development Companies in Washington

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Lounge Lizard

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5.0 (22 Reviews)

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  • Inside Service Listing Washington, USA
  • Inside Service Listing 50 - 100
  • Inside Service Listing $150-$199/hr
  • Inside Service Listing $25,000 - $100,000

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Lounge Lizard

Lounge Lizard

Best-in-Class Websites & Results-Driven Digital Marketing

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5.0 (22 Reviews)

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5.0(22)

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YOUR INTERNET GROWTH PARTNER SINCE 1998 AS THE #1 WEB AGENCY ON SELECTED FIRMS, LOUNGE LIZARD HAS BEEN TRUSTED BY START-UPS AND ENTERPRISE COMPANIES FOR 25+ YEARS FOR INTERNET GROWTH AND THE BEST WEBSITE DESIGNS! CONTACT US TO GET A FREE WEBSITE STRATEGY TO INCREASE LEADS, SALES, AND SEO RANKINGS AND IMPROVE YOUR BRAND STORY AND DIRECT RESPONSE TACTICS! RESULTS YOU CAN EXPECT FROM LOUNGE LIZARD # THE BEST WEBSITE OF YOUR INDUSTRY # INCREASED LEADS # INCREASED SALES # BETTER SEO RANKING # IMPROVED BRAND STORYTELLING # STRONGER DIRECT RESPONSE STRATEGY # THE HIGHEST LEVEL OF BRANDING, CREATIVITY, AND USER EXPERIENCE

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25% Web Development
2% HTML5 Web Development
Inside Service Listing

$150-$199/hr

Inside Service Listing

$25,000 - $100,000

Inside Service Listing

50 - 100

Inside Service Listing

Washington, USA

Mercury.one

Mercury.one

Leading provider of world-class marketing services

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0.0 (0 Reviews)

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Small and medium-sized businesses (SME) and rising organisations can rely on Mercury as a top supplier of top-notch marketing services and consulting solutions.Mercury is committed to providing cutting-edge, comprehensive, market-tested solutions that: surpass the needs and expectations of our clients; produce real corporate value; and boost market share and profitability.

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20% Web Development
100% HTML5 Web Development
Inside Service Listing

$25-$49/hr

Inside Service Listing

$1,000+

Inside Service Listing

50 - 249

Inside Service Listing

Washington, USA

RobLinx Infotech LLP

RobLinx Infotech LLP

Empowering Businesses with Innovative IT and Digital Solutions

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0.0 (0 Reviews)

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RobLinx is a leading IT solutions and digital transformation company headquartered in Ahmedabad, Gujarat, dedicated to helping businesses thrive in the digital era. With expertise in web development, cloud-based software, and system maintenance, we deliver scalable, secure, and innovative solutions tailored to client needs. Our team of experienced developers and designers is proficient in PHP, Python, Laravel, CodeIgniter, React, Java, and WordPress, ensuring high-quality applications for businesses of all sizes. RobLinx follows a customer-centric approach, guiding clients from concept to deployment and beyond, turning ideas into profitable, sustainable digital solutions. We specialize in creating custom software systems, enterprise applications, and responsive web platforms that enhance operational efficiency, drive growth, and optimize performance. Every solution we build is designed to be interconnected, productive, and future-ready, helping clients maximize ROI. Partner with RobLinx to leverage cutting-edge technology, cloud solutions, and expert development services that transform your business vision into reality.

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20% Web Development
50% HTML5 Web Development
Inside Service Listing

< $25/hr

Inside Service Listing

$1,000+

Inside Service Listing

10 - 49

Inside Service Listing

Washington, USA

DigiTroopers

DigiTroopers

DigiTroopers: Your Digital Allies in Success

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0.0 (0 Reviews)

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DigiTroopers is the best digital marketing agency that provides you with the desired results in digital marketing services to assist your results-oriented online success. We are providing all digital marketing services for small businesses, digital marketing services for real estate, digital marketing services for healthcare, digital marketing services for startups, digital marketing services for restaurants, and digital marketing services for e-commerce businesses, & we will promote any businesses that you have. We have all digital media solutions to grow your business. Our Digital Marketing Services Include: Website Development Social Media Marketing (SMM) Search Engine Optimization (SEO) Search Engine Marketing (SEM) Google Ads or pay-per-click advertising (PPC) Content Marketing Email Marketing ECommerce Management

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35% Web Development
20% HTML5 Web Development
Inside Service Listing

$25-$49/hr

Inside Service Listing

$250+

Inside Service Listing

50 - 250

Inside Service Listing

Washington, USA

AppsNation

AppsNation

Top Mobile App Development Company | USA

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5.0 (2 Reviews)

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5.0(2)

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Welcome to AppsNation, your gateway to the best <a href="https://appsnation.co/">Mobile App Development Company</a> in the USA. AppsNation is the USA’s top leading mobile app development company providing multiple Mobile App development services in IOs, Android, IoT, AR/VR, Games app development, Cross-platform, Wearable, eCommerce and much more. We also provide mobile app QA Testing and strategic design consultancy services. Our dedicated team combines expertise and innovation to craft bespoke mobile applications tailored to elevate your business. Contact Us to boost your Company's potential for next-level excellence for your app ventures.

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20% Web Development
20% HTML5 Web Development
Inside Service Listing

$200-$300/hr

Inside Service Listing

$1,000 - $1,000

Inside Service Listing

1 - 28

Inside Service Listing

Washington, USA

VisionSnap

VisionSnap

Seattle's finest internet marketing agency!

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4.9 (5 Reviews)

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4.9(5)

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VisionSnap is a US-based company that specializes in website development, ensuring each project has a unique style that reflects the client's aesthetics and goals. With a team of skilled designers and developers, they can design, develop, engineer, deploy, and support any web-based or client-based system in any language. Their expertise includes Graphic Design, HTML5, CSS, JavaScript, jQuery, Ruby, Python, PHP, ASP.net, MySQL, SQL Server, e-commerce solutions, Database Development, DNS Management, and all programming necessary for web site development solutions. With a diverse background and commitment to producing the best results, VisionSnap offers exceptional customer service and a portfolio of high-quality websites.

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20% Web Development
20% HTML5 Web Development
Inside Service Listing

$100-$149/hr

Inside Service Listing

$1,000+

Inside Service Listing

10 - 49

Inside Service Listing

Washington, USA

Triffid Marketing

Triffid Marketing

Creative Marketing Solutions That Drive Global Business Growth

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0.0 (0 Reviews)

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TRIFFID is a global marketing agency headquartered in India, dedicated to helping brands grow, scale, and thrive in competitive markets. More than a marketing partner, we are brand growth specialists, crafting strategies that boost visibility, accelerate revenue, and ignite long-term success. Our services include digital marketing (SEO, social media, Google Ads, email marketing, content creation), web development (WordPress, Shopify, Salesforce, HubSpot), branding (logos, packaging, brand kits), advertising (outdoor and print), and strategic consultation. With a proven track record of supporting startups and enterprises worldwide, TRIFFID combines creativity, innovation, and data-driven strategies to deliver measurable results that transform businesses.

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20% Web Development
20% HTML5 Web Development
Inside Service Listing

$50-$99/hr

Inside Service Listing

$1,000+

Inside Service Listing

50 - 249

Inside Service Listing

Washington, USA

OnyxTec

OnyxTec

Creative & Reliable Web & Mobile App Development

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5.0 (1 Reviews)

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5.0(1)

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A software company called OnyxTec assists businesses of all sizes in realizing their ideal projects and products. We specialize in working with companies at every level and have experience in web development, app development, and design.

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25% Web Development
10% HTML5 Web Development
Inside Service Listing

$25-$49/hr

Inside Service Listing

$5,000+

Inside Service Listing

10 - 49

Inside Service Listing

Washington, USA

AFour Technologies

AFour Technologies

A Trusted 360 Degree Software Product Engineering And Digital Transformation Partner

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4.9 (2 Reviews)

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4.9(2)

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Software Product Engineering Services, including UI/UX Design, Architecture Design and Consulting, Software Development, DevOps (CloudOps, SysOps, and DBOps), QA (Test Strategy and Implementation, Test Automation, Performance, Security), and Monitoring, are the main areas of focus for AFour Technologies (also known as AFour), which was founded in 2007. With a focus on software product engineering and an outstanding track record spanning more than a decade, AFour is a real example of transparency, self-belief, and consistency. AFour is a technology and ideation firm. Product firms work with AFour because of its expertise in a variety of technologies, including Java, Python,.NET, Javascript (MEAN), LAMP (Perl and PHP), Angular, React, and C++, as well as its ability to conceptualize products. Every cutting-edge software engineering technology is centered at the company: hyper-convergence, SDN, virtualization, networking, enterprise mobility, and next-generation data center technologies.

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10% Web Development
10% HTML5 Web Development
Inside Service Listing

$25-$49/hr

Inside Service Listing

$10,000+

Inside Service Listing

250 - 999

Inside Service Listing

Washington, USA

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