Top 15 Professional Web Development Companies in the USA (2026)

Lengreo combines custom web development with UX, digital strategy, and broader marketing capabilities. Its development services cover custom web applications, APIs, business websites, web design, hybrid mobile applications, technology stack updates, and cloud-native systems. The company follows a process that moves from discovery and wireframing through development, deployment, and continued refinement.

Its technical work includes React.js and Node.js alongside frameworks and technologies such as Next.js, TypeScript, Laravel, and Ruby on Rails. Lengreo also works with B2B companies in the US market, connecting development projects with SEO, lead generation, demand generation, and other customer acquisition work when those services are part of the broader engagement.

Key Facts

• Lo mejor para: B2B websites and custom web products connected with digital growth
• Servicios principales: Professional web development, custom web development, web applications, API development, web design, cloud-native development
• Technologies: React.js, Node.js, Next.js, TypeScript, Laravel, Ruby on Rails
• Development scope: Discovery, UX, development, deployment, and post-launch refinement
• Market coverage: International clients, including businesses in the USA

Información de contacto

• Sitio web: Lengreo.com
• Teléfono: +31 686 147 566
• Correo electrónico: [email protected]
• LinkedIn: Lengreo
• Instagram: @lengreo

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BairesDev provides web development through distributed software engineering teams serving companies across the United States. Its web practice covers front-end and back-end development, CMS implementation, APIs, integrations, web platforms, and continued optimization.

Projects can be delivered through dedicated teams or broader outsourcing arrangements, with engineering resources brought together around the required technologies and product scope. The company works across more than 130 industry sectors and maintains US offices in San Francisco and Greensboro, North Carolina.

Key Facts

• Lo mejor para: Large web platforms and companies adding development capacity
• Servicios principales: Web development, front-end development, back-end development, CMS development, APIs, integration
• Engagement models: Outsourcing and dedicated development teams
• US presence: San Francisco, California and Greensboro, North Carolina
• Industry coverage: More than 130 sectors

Información de contacto:

• Sitio web: www.bairesdev.com
• E-mail: [email protected]
• LinkedIn: www.linkedin.com/company/bairesdev 
• Facebook: www.facebook.com/bairesdev
• Twitter: x.com/bairesdev
• Instagram: www.instagram.com/bairesdev
• Address: 50 California Street, Suite 1500, San Francisco, CA 94111, USA 
• Teléfono: +1 (408) 478-2739 

ScienceSoft develops websites, web applications, portals, ecommerce systems, and enterprise web software from its US base in the Dallas area. Its work can cover requirements analysis, UX and UI, architecture, development, integration, testing, deployment, maintenance, and modernization of existing applications.

The company also handles legacy web software that needs to be re-coded, re-architected, migrated to the cloud, or extended with new functionality. Its published web portfolio spans more than 30 industries, including healthcare, banking, insurance, manufacturing, telecom, and transportation.

Key Facts

• Lo mejor para: Enterprise websites, portals, and complex web applications
• Servicios principales: Web development, web application development, ecommerce, portals, modernization
• Additional capabilities: Web consulting, cloud migration, integration, QA
• Industry coverage: 30+ industries
• US location: McKinney, Texas

Información de contacto:

• Sitio web: www.scnsoft.com
• Correo electrónico: [email protected] 
• LinkedIn: www.linkedin.com/company/sciencesoft
• Twitter: x.com/ScienceSoft
• Facebook: www.facebook.com/sciencesoft.solutions

• Dirección: 5900 S. Lake Forest Drive, Suite 300, McKinney, área de Dallas, TX 75070 
• Teléfono: +1 214 306 6837

Unified Infotech develops websites, web applications, ecommerce platforms, and custom software from offices in New York and Kolkata. Its web development work spans front-end and back-end engineering, content management systems, cloud technologies, interface development, and application security.

The company handles both standalone websites and larger software products where the web interface connects with databases, APIs, internal systems, or cloud infrastructure. Its broader service portfolio also includes custom software development, mobile applications, ecommerce development, and data engineering.

Key Facts

• Lo mejor para: Custom websites and web applications with broader software requirements
• Servicios principales: Website development, web apps, custom software, ecommerce, data engineering
• Technical areas: Front-end, back-end, CMS, cloud, security
• US presence: New York City
• Project scope: Website development through larger custom digital platforms

Información de contacto:

• Sitio web: www.unifiedinfotech.net
• Correo electrónico: [email protected] 
• Facebook: www.facebook.com/unifiedinfotech
• Twitter: x.com/unified_infotec
• LinkedIn: www.linkedin.com/company/unifiedinfotech
• Instagram: www.instagram.com/unified.infotech
• Address: 135 Madison Ave, New York, NY 10016 
• Tel: +1 201 761 9432

Saritasa builds custom websites and web applications from US offices in Irvine, California and Tampa, Florida. Its web services include website development and redesign, responsive interfaces, web-based applications, APIs, progressive web applications, project takeovers, and legacy software modernization.

The engineering scope extends across front-end and back-end technologies, databases, cloud infrastructure, CMS platforms, and ecommerce. Saritasa also develops internal business systems, portals, customer-facing applications, learning platforms, marketplaces, inventory tools, and other web-based operational software.

Key Facts

• Lo mejor para: Custom business web applications and complex operational software
• Servicios principales: Website development, web apps, APIs, PWA development, modernization
• Platforms: WordPress, WooCommerce, Magento
• Cloud: AWS and Azure
• US offices: Irvine, California and Tampa, Florida

Información de contacto:

• Sitio web: www.saritasa.com
• Correo electrónico: [email protected]
• Facebook: www.facebook.com/SaritasaLLC
• Twitter: x.com/SaritasaLLC
• LinkedIn: www.linkedin.com/company/saritasa
• Dirección: 19900 MacArthur Blvd, #650, Irvine, CA 92612 
• Teléfono: 888.905.1451 

A-listware covers the full web development cycle, including business analysis, UX and UI design, software architecture, front-end and back-end development, integration, QA, help desk services, and continued product support. Its web portfolio includes websites, ecommerce systems, portals, and custom web applications.

Development teams can work on new platforms or extend existing business software, with both outsourcing and team extension available. A-listware maintains a US office in North Bergen, New Jersey and provides web development services to customers across the American market.

Key Facts

• Lo mejor para: Custom web applications and extended engineering teams
• Servicios principales: Web development, web apps, portals, ecommerce, UX/UI, QA
• Development coverage: Business analysis through ongoing support
• Engagement options: Outsourced projects and development teams
• US presence: North Bergen, New Jersey

Información de contacto:

• Página web: a-listware.com
• Correo electrónico: [email protected] 
• Facebook: www.facebook.com/alistware
• LinkedIn: www.linkedin.com/company/a-listware

• Address: North Bergen, NJ 07047
• Phone: +1 888 337 93 73

thoughtbot approaches web development as part of the complete digital product lifecycle. Its teams work across product strategy, user research, UX and interface design, prototyping, MVP development, application engineering, and continued product development.

For web products, the company works with technologies that include React.js, Ruby on Rails, Elixir, and Phoenix. Engagements can begin at the early product-definition stage or focus on expanding an existing application with new features and engineering capacity. thoughtbot has operated in Boston for more than two decades and works with companies ranging from startups to established organizations.

Key Facts

• Lo mejor para: Product-led web applications and MVPs
• Servicios principales: Product strategy, UX/UI, web application development, product design
• Technologies: React.js, Ruby on Rails, Elixir, Phoenix
• Project stages: Product discovery, MVP development, scaling, continued engineering
• US presence: Boston, Massachusetts

Información de contacto:

• Sitio web: thoughtbot.com
• Correo electrónico: [email protected]
• Teléfono: +18779762687

21century.tech operates as an AI-native software studio with a remote-first model and a Miami presence. Senior engineers remain responsible for architecture, business logic, code review, QA, security decisions, and final delivery, while AI tools are integrated into coding, testing, documentation, and large-scale refactoring workflows.

Its project scope includes MVPs, landing pages, full-stack features, legacy refactoring, and third-party integrations. Delivery also covers testing, documentation, CI/CD setup, and deployment to either client-managed or studio-managed infrastructure.

Key Facts

• Lo mejor para: Fast product builds and AI-assisted software engineering
• Servicios principales: Full-stack development, MVP development, landing pages, integrations, legacy refactoring
• Development model: Senior engineers supported by AI-assisted workflows
• Delivery: Development, testing, documentation, CI/CD, and deployment
• Ubicación: Miami, Florida; remote-first

Información de contacto:

• Página web: 21century.tech
• Correo electrónico: [email protected]

Urban Insight is a Los Angeles digital agency focused on strategy, design, and web implementation. Development capabilities include front-end and back-end engineering, Drupal, WordPress, Angular, React, ecommerce, APIs, content management, and progressive web applications.

The company has particular experience with content-heavy and institutionally complex websites. Its published work includes projects for cultural organizations, universities, associations, public-sector organizations, legal aid services, and other organizations that need content management, collections, ticketing, search, or interactive web functionality.

Key Facts

• Lo mejor para: Content-rich websites and complex CMS projects
• Servicios principales: Web development, UX/UI, Drupal, WordPress, ecommerce, API implementation
• Technologies: Drupal, WordPress, Angular, React
• Industry experience: Cultural institutions, higher education, associations, legal aid
• Ubicación: Los Angeles, California

Información de contacto:

• Sitio web: www.urbaninsight.com
• Facebook: www.facebook.com/UrbanInsightInc
• Twitter: x.com/urbaninsight
• LinkedIn: www.linkedin.com/company/urban-insight
• Dirección: 3530 Wilshire Blvd, #1355, Los Angeles, CA 90010
• Teléfono: 213 792 2000 

Itexus develops web software with a strong concentration on financial technology. Its web developers work with React, Vue, Angular, Node.js, Python, APIs, real-time functionality, automated testing, CI/CD pipelines, performance optimization, and modern authentication approaches.

Web projects form part of a wider engineering practice covering fintech platforms, online banking, trading systems, investment applications, lending software, digital wallets, and enterprise financial infrastructure. Itexus is headquartered in the United States and has a US office in Dover, Delaware, with development operations in Europe.

Key Facts

• Lo mejor para: Fintech web platforms and financial applications
• Servicios principales: Web development, fintech software development, full-stack engineering, UX/UI, QA
• Web technologies: React, Vue, Angular, Node.js, Python
• Industry focus: Banking, payments, trading, lending, investment technology
• US presence: Dover, Delaware

Información de contacto:

• Sitio web: itexus.com
• Correo electrónico: [email protected]
• Facebook: www.facebook.com/itexus
• Twitter: x.com/ItexusSoft
• LinkedIn: www.linkedin.com/company/itexus
• Instagram: www.instagram.com/itexus.soft
• Address: 8, The Green, STE R, Dover, DE 19901

Lounge Lizard combines web development with design, UX, branding, SEO, and digital marketing. Its development services include custom websites, custom WordPress projects, mobile-focused web experiences, and sites built around modern development frameworks and tailored functionality.

The company has operated since 1998 and maintains offices across several US markets, including New York, Washington, Miami, Nashville, Austin, Charleston, Richmond, and Las Vegas. Website projects can therefore remain connected with design, search optimization, and post-launch marketing work within the same agency.

Key Facts

• Lo mejor para: Custom marketing websites supported by design and digital marketing
• Servicios principales: Web development, WordPress, web design, UX/UI, SEO
• Additional capabilities: Branding y marketing digital
• Founded: 1998
• US presence: Multiple offices across the United States

Información de contacto:

• Sitio web: www.loungelizard.com
• Correo electrónico: [email protected]
• Facebook: www.facebook.com/loungelizardww
• Twitter: x.com/LoungeLizardWW
• LinkedIn: www.linkedin.com/company/lounge-lizard-worldwide-inc.
• Instagram: www.instagram.com/loungelizardww
• Dirección: 991 Main St., Suite 200, Holbrook, NY 11741 
• Teléfono: 1-888-444-0110

Designli develops custom web-based software and web applications alongside UX/UI design and broader product engineering. Its web work focuses on browser-based custom software that can operate across desktop, tablet, and mobile environments while connecting with existing systems and workflows.

Projects typically move through an initial discovery and prototyping process before development. Designli also works on SaaS products, internal business platforms, custom applications, and mobile products, with dedicated teams handling design and engineering within the same engagement.

Key Facts

• Lo mejor para: SaaS founders and custom web software products
• Servicios principales: Web applications, custom software development, UX/UI, product engineering
• Project stages: Discovery, prototyping, design, development
• Delivery model: Equipos de producto especializados
• Ubicación: Greenville, South Carolina

Información de contacto:

• Sitio web: designli.co
• Correo electrónico: [email protected]
• Facebook: www.facebook.com/designli
• Twitter: x.com/designlico
• LinkedIn: www.linkedin.com/company/designli
• Instagram: www.instagram.com/designlico
• Dirección: 141 Traction Street, Greenville, SC 29611

Emergent Software develops websites and custom applications from Minneapolis, with a strong focus on Microsoft technologies and Umbraco. Its website practice covers new builds, CMS implementation, ecommerce, migrations, technical assessments, accessibility, SEO foundations, conversion optimization, managed hosting, and ongoing support.

Web development sits alongside custom software, API and system integration, SaaS product development, Azure cloud services, and application modernization. The company also maintains dedicated Umbraco expertise for organizations using the CMS for larger marketing and enterprise websites.

Key Facts

• Lo mejor para: Umbraco websites and Microsoft-centered web environments
• Servicios principales: Website development, Umbraco, custom software, integration, modernization
• Additional capabilities: SEO, accessibility, hosting, ongoing web support
• Cloud focus: Microsoft Azure
• Ubicación: Minneapolis, Minnesota

Información de contacto:

• Sitio web: www.emergentsoftware.net
• Correo electrónico: [email protected]
• LinkedIn: www.linkedin.com/company/emergent-software
• Dirección: 333 South Seventh Street, Suite #2090, Minneapolis, MN 55402
• Teléfono: 612-217-0747

ELEKS provides full-cycle custom application development across web, mobile, desktop, cloud, and enterprise environments. Its web application work includes custom platforms, ecommerce systems, content management solutions, ERP-related applications, and cloud-based software.

Projects can cover technology consulting, UX design, architecture, implementation, deployment, testing, and continued support. The company also handles data engineering, AI, cloud services, product design, and modernization when web development forms part of a larger technology initiative. ELEKS maintains US operations in Chicago and Las Vegas.

Key Facts

• Lo mejor para: Enterprise web applications and broader modernization programs
• Servicios principales: Web applications, custom software, UX, cloud, testing, consulting
• Web solutions: Platforms, ecommerce, CMS, ERP, cloud applications
• Alcance de la entrega: Consulting through post-launch support
• US presence: Chicago, Illinois and Las Vegas, Nevada

Información de contacto:

• Sitio web: eleks.com
• Facebook: www.facebook.com/ELEKS.Software
• Twitter: x.com/ELEKSSoftware
• LinkedIn: www.linkedin.com/company/eleks
• Dirección: 625 W. Adams St., Chicago, IL 60661
• Teléfono: +1-708-967-4803

Vention develops custom web applications through teams covering UI/UX, front-end development, back-end engineering, integration, QA, modernization, and ongoing maintenance. Its web portfolio includes portals, ecommerce systems, CMS projects, XaaS products, single-page applications, websites, and cloud-based platforms.

The company supports full project outsourcing, dedicated development teams, and staff augmentation. Its broader engineering capabilities include software development, cloud consulting, DevOps, data engineering, AI, and legacy modernization. Vention is headquartered in New York and also maintains a San Francisco office.

Key Facts

• Lo mejor para: Large web applications and flexible engineering teams
• Servicios principales: Web development, UI/UX, front-end, back-end, integrations, QA
• Web solutions: Portals, ecommerce, CMS, XaaS, custom websites
• Engagement models: Dedicated teams, staff augmentation, project outsourcing
• US presence: New York headquarters and San Francisco office

Información de contacto:

• Sitio web: ventionteams.com
• Correo electrónico: [email protected]
• Twitter: x.com/ventionteams
• LinkedIn: www.linkedin.com/company/ventionteams
• Instagram: www.instagram.com/ventionteams
• Address: 575 Lexington Avenue, 12th Floor, Suite 118, New York, NY 10022
• Teléfono: +1 (718) 374-5043