We have carefully assessed the responsive web design expertise, team structure, industry diversity, portfolios, client testimonials, pricing plans, and relevant awards of over 3,200 responsive web design companies. Learn more about our ranking criteria and how we identify the top players in the responsive web design industry below.

The Number One Responsive Web Design Company as Selected by DesignRush Is...

Lounge Lizard

• Best for: Overall
• Average hourly rate: Inquire
• Minimum budget: Inquire
• Founded: 1998
• Location: New York, NY
• Notable clients: Nikon, Honeywell, Canon, RuPaul, KORG

Lounge Lizard is a responsive web design agency with over 26 years of experience delivering digital web design and marketing services to clients from B2B, B2C, eCommerce, financial, government, and non-profit niches. In its 26 years of work, the agency has developed a custom 7-Second Rule, a strategy for providing high-quality web experiences.

The founder of Lounge Lizard, Ken Brown, judges the WEBBY Awards, one of the most prominent awards for web design. Lounge Lizard's team members are certified and proficient in Marketo, Google Trends, WordPress, HubSpot, Google Analytics, Magento, Contentful, and other digital tools.

One of Lounge Lizard’s clients, EuroSort Systems, faced many challenges with its online presence: a website difficult to navigate, no right content to convince visitors to convert, a lack of information regarding technical capabilities and innovation, etc.

As a company targeting multiple markets, the client needed content in US and UK English, Dutch, Spanish, and German. Also, the website needed to be accessible and comply with the Americans with Disabilities Act (ADA), the Website Content Accessibility Guidelines (WCAG), and the EU-based General Data Protection Regulations (GDPR).

Lounge Lizard developed a custom WordPress site that was multilingual, had easy navigation, and provided a responsive user experience. EuroSort System's new website expanded its reach by targeting a multilingual audience, achieved ADA and EAA compliance, and reached a 94% on-page SEO score.

Check Lounge Lizard Agency Profile

Digital Silk

• Best for: Custom WordPress sites
• Average hourly rate: $150
• Minimum budget: Inquire
• Founded: 2015
• Location: New York, NY
• Notable clients: IBM, Microsoft, Sony, NASA, XEROX

A team of over 150 members makes Digital Silk an expert in custom B2B and B2C responsive website development, web redesign, custom web design, eCommerce websites, and web app design. As a responsive web design company, Digital Silk delivers projects of all complexities, from customized WordPress sites to high-performance Adobe eStores.

During nearly two decades of developing web experiences, Digital Silk won awards like The Communicator Awards, MarCom Awards, Horizon Interactive Awards, Telly Awards, Awwwards Website Awards, and others.

Puma Energy approached Digital Silk with an issue, having trouble attracting mobile users because its website wasn't responsive and optimized for different devices. In addition, the website design simply didn't match the company's brand image, which led to poor user engagement.

In turn, Digital Silk created tailored user journeys to improve user experience, overhauled the design to unify branding messaging, optimized the site for SEO, and designed a responsive layout to provide a seamless experience on both desktop and mobile devices. Three weeks after the new website launch, these were the results: 27% more website visitors, 32.1% more direct traffic, and 63% more user engagement.

Check Digital Silk Agency Profile

Split Reef

• Best for: Mobile-first responsive design
• Average hourly rate: $50
• Minimum budget: $1,000 - $10,000
• Founded: 2019
• Location: Columbus, OH
• Notable clients: Robertson Truck Sales, Yodel, Maher Law Firm, Ticking, Ohio State 

Split Reef is a responsive web design company offering services that range from innovative design to web and mobile development. As a full-service digital design and marketing agency, Split Reef is an AdWords-certified and Google Analytics-qualified Google Partner.

The company focuses on mobile-first responsive design, providing image optimization, faster loading speed, and other methods for improving experiences on iOS and Android, as well as other platforms. The Split Reef web design team has expertise in CSS3 and HTML5, WordPress, Drupal, Node.js, and other technologies.

When Jones Metal Products wanted a fully responsive website, redesigned and optimized for SEO, it approached Split Reef and got exactly what they wanted. The agency provided a newly redesigned WordPress website that ensured it could be viewed flawlessly on any device.

Six months after the new website launch, Jones Metal Products saw the following metrics increase: overall web traffic by 31%, new users by 30%, and organic search by 28%, surpassing clients' goals by 34% across the board.

Check Split Reef Agency Profile

Lform Design

• Best for: Manufacturing companies
• Average hourly rate: $185
• Minimum budget: $10,000 - $25,000
• Founded: 2006
• Location: Montclair, NJ
• Notable clients: Fuji Film, SP Wilmad-Labglass, Cast Lighting, Fastbolt Corporation, National Ramp 

Lform Design is a boutique responsive web design agency that provides responsive website development, front-end development, custom WordPress development, web app architecture, SaaS development services, and more. Apart from its varied expertise, the agency has a large portfolio of successful projects, with a focus on B2B manufacturing companies and consultancies.

When it comes to responsive web design, Lform Design is proficient in PHP web development, custom API integrations, eCommerce, and more. The agency won several awards including Top 13 Digital Marketing Agencies in Newark, Top Rated B2B Designers by Wimgo in 2021, multiple AVA Digital Award winner, and 2009 GDUSA Awards.

One of Lform Design’s most prominent clients was Atlantic Equipment Engineers, a company that manufactures metals and metal compounds and has an extensive portfolio for diverse industries. The client wanted a very clean and streamlined website that would simplify navigating through its large product catalog.

Lform Design used WordPress, Sage, and WooCommerce to build a website with a clear user journey and smooth navigation, despite having over 20 pages for different industry applications. As a result, the traffic from Google search increased by 25-30% compared to the old website.

Check Lform Design Agency Profile

DD.NYC

• Best for: Corporate websites
• Average hourly rate: $150
• Minimum budget: Inquire
• Founded: 2015
• Location: New York, NY
• Notable clients: Forbes, Time Inc, Home Depot, Walmart, Lowe's

DD.NYC is a responsive web design agency that has over 250 successfully designed websites in its portfolio. The company has expertise in developing digital experiences for real estate, medical, finance, and industrial clients.

DD.NYC offers mobile-first, tablet-responsive, and cross-browser tested responsive web design that optimizes user experience on any device. This agency boasts 99% client satisfaction on web design work from over 250 clients. DD.NYC won two 2024 Annual Anthem Awards, 2023 Pentawards, 2023 Webby Nomination, and CSSDA Website of the Day 2023.

1010 Wilshire Los Angeles Real Estate contracted DD.NYC to redesign its real estate brand and build a responsive corporate website. The agency delivered over 150 new web assets, a new brand identity, and a fully redesigned website, with a 7.4x return-on-investment (ROI) of the redesign project.

With the new branding and web experience, the client's property was positioned as a top-tier real estate option in Los Angeles. This attracted more high-end clients and increased revenue, with the occupancy rate rising to over 90%. The website’s improved user experience led to a 60% increase in brand awareness, and the responsive design contributed to a 73% growth in mobile conversions.

Check DD.NYC Agency Profile

Trajectory Web Design

• Best for: Decades of experience
• Average hourly rate: Inquire
• Minimum budget: $10,000 - $25,000
• Founded: 2005
• Location: Atlanta, GA
• Notable clients: City of Atlanta, Ronald McDonald House Charities, Cinema Concepts, Maverick, Rite-Way Foundations

With over 19 years in business and more than 27 years of experience developing websites, Trajectory Web Design is one of the most seasoned responsive web design companies in the U.S. The agency currently has over 150 clients from aviation, construction, energy, engineering, real estate, and many other fields.

Trajectory Web Design offers a custom lean approach, providing dedicated teams of three people for each client. The company won Expertise's Best Web Designers in Atlanta award in 2023.

Dallas Wayne Boot Company was looking for someone to redesign its old website and optimize it for a mobile audience since the company had a large social media following. Trajectory Web Design built a new website from the ground up, adding interface items like large product images, easy navigation menus, search functions, and user-friendly checkout options.

Due to the client's large following on Facebook and Instagram, Trajectory Web Design made a responsive web experience engaging for a mobile audience. The results showed an increase in sales via the website, better engagement with over 4,500 social media followers, and a consistent experience to a wider customer audience thanks to the website being optimized for various devices.

Check Trajectory Web Design Agency Profile

Halo Lab

• Best for: Responsive PHP websites
• Average hourly rate: Inquire
• Minimum budget: Inquire
• Founded: 2013
• Location: San Francisco, CA
• Notable clients: JBL, Udemy, KKL Luzern, Konverge, Mobalytics 

Halo Lab is a responsive web design company that delivers device-agnostic web services using Figma, InVision, Usability Tools, Hotjar, and supporting technologies. The company is the official partner of Sanity, Webflow, and Prismic.

Halo Lab helps its clients secure new investments and has enabled $370 million in total funding for over 350 successful web projects. The agency won 17 honorable mentions by Awwwards and 5 Sites of the Day by CSS Nectar.

Mighty Buildings wanted a responsive website and web application that would allow its users to select and customize modular homes with a few clicks. Within one month, Halo Lab delivered the project using Vue.js, PHP, Laravel, Stripe, and Matterport technologies. The website and web app were optimized for mobile devices, ensuring optimal loading speeds for mobile customers.

When Mighty Buildings launched its product publicly, it raised $40 million in Series B Funding. During the subsequent funding campaigns, the client raised more than $100M from leading investors, including Khosla Ventures and Arctern Ventures.

Check Halo Lab Agency Profile

Big Drop

• Best for: Future-proof responsive projects
• Average hourly rate: $125
• Minimum budget: $50,000 & Up
• Founded: 2012
• Location: New York, NY
• Notable clients: Samsung, Activision, Northwell, Altice, GroupM

Big Drop is an award-winning responsive web design company that focuses on innovative and future-proof web development. The company uses cutting-edge and modern practices along with market-leading and highly effective content management solutions and services.

Boasting a research-driven web design approach, Big Drop offers mobile-responsive design for devices such as iPhone, desktop, mobile, and Android and for projects ranging from custom websites to robust eCommerce solutions. Its team of over 100 people in five global locations delivers high-quality work that won 20 CSSDA awards, 12 Awwwards, and two Webby Awards.

Support.com approached the responsive web design agency looking to redesign its website, modernize it, and optimize it for other devices like mobile. Big Drop developed a clean UX and optimized page loading to ensure a consistent experience for users across different devices.

The new responsive design brought significant increases in main metrics: 15% in conversions, 9% in page load speed, and 17% in on-site engagement.

Check Big Drop Agency Profile

Ester Digital

• Best for: Responsive eCommerce websites
• Average hourly rate: $100
• Minimum budget: $10,000 - $25,000
• Founded: 2015
• Location: New York, NY
• Notable clients: McDonald's, T-Mobile, TopTal, ASOS, FLUX

Ester Digital is a responsive web design company that exclusively employs modern and cutting-edge methodologies and swift development, using Agile methodologies and DevOps practices to deliver rapid iterations. The company specializes in working for industries like automotive, legal, startups, eCommerce, eLearning, healthcare, travel, and more.

Ester Digital has expertise in designing and developing eCommerce solutions such as Magento, BigCommerce, Shopify, and WooCommerce. The agency won seven Awwwards and five CSS Design Awards.

The team behind FRND reached out to Ester Digital looking to develop an eCommerce platform aimed at a Generation Z audience. The client needed an experimental but user-friendly interface with gamification elements, that would provide an engaging mobile experience.

Ester Digital designed a unique shopping platform with several animation elements and a color scheme designed to appeal to a young audience. Shortly after the FRND app launch in test mode in the Canada AppStore, the client got funding from investors including India Quotient and Krafton.

Check Ester Digital Agency Profile

Bop Design

• Best for: Website redesign projects
• Average hourly rate: $175
• Minimum budget: $25,000 - $50,000
• Founded: 2007
• Location: San Diego, CA
• Notable clients: IVEMSA, Selector AI, Kris-Tech Wire, Edge Technology Group, Precision Drilling Corporation 

Bop Design is a responsive web design agency with more than 17 years of experience working for B2B companies. The company offers web design for clients in emerging industries like fintech, insurtech, biotech, AI and ML, software, engineering, and other niches.

This web design company provides expertise in WordPress web design, B2B SaaS web design, and B2B technology web design among others. Bop Design won The Webby Awards, American Web Design Awards, San Diego AMA Amy Awards, Inc. 5000 2021 Fastest Growing Private Co. in CA, 2021 Women of Influence & Technology SDBJ, and other notable awards.

AddUp sought a full custom website redesign to showcase new branding, amplify lead generation, and improve the user experience for visitors. The old website had several issues, including difficulty in maintenance, inconsistent formatting due to an array of plugins, and an unoptimized mobile version.

Check Bop developed a fully responsive, multilingual website optimized for mobile and other devices. The new website brought 57.8% more overall users, 59.67% more total sessions, an increase of 61% in organic and 105% in direct search sessions.

Check Bop Design Agency Profile

How We Picked the Best Responsive Web Design Companies

To select the top responsive web design agencies in 2024, we reviewed their testimonials, case studies, industry reputation, team expertise, client roster, and executive management. Our team of agency experts developed a scoring system to measure their overall performance based on several important factors:

• Reviews: Quality of work, client satisfaction, and level of trustworthiness
• Portfolio: Tangible examples of an agency's track record
• Awards and press: Industry reputation and innovation
• Team bios: The agency’s qualifications and team dynamics
• Top services: Core competencies and areas of expertise

Visit the DesignRush Agency Ranking Methodology for more information on how we research agencies.

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