Best 15 SEO Web Development Companies in the USA (2026)

Lengreo combines SEO with website and custom web development, making the company relevant to businesses that want development and organic acquisition managed within the same broader strategy. Its development work includes business and ecommerce websites, landing pages, web applications, APIs, and UX/UI, while its marketing capabilities cover SEO, AI search optimization, content, paid advertising, and demand generation. The company has also published work involving US software and ecommerce businesses. 

Key Facts:

• Geschikt voor: B2B companies connecting web development with organic lead generation
• Kerndiensten: SEO, AI search optimization, website development, custom web development, UX/UI
• Project types: Business websites, ecommerce sites, landing pages, web applications, APIs
• Industries: B2B, SaaS, software, technology, fintech, cybersecurity
• Notable strength: Development and search strategy within one service portfolio

Contactgegevens

• Website: Lengreo.com
• Telefoon: +31 686 147 566
• E-mail: [email protected]
• LinkedIn: Lengreo
• Instagram: @lengreo

Onze gevallen

Platform voor abonnementsdiensten voor makers

B2B-bedrijvengidsplatform

LOGISTIEKPLATFORM OP MAAT

HyperL1ne is een allesomvattende ontwikkelingspartner die bedrijfsanalyse, technische expertise en een no-nonsense aanpak combineert om bedrijven te helpen bij het ontwikkelen van digitale producten die echte meerwaarde bieden. In plaats van zich uitsluitend op de ontwikkeling te richten, begint hun team met het in kaart brengen van de bedrijfsdoelstellingen, zodat elke beslissing bijdraagt aan meetbare resultaten en succes op de lange termijn.

Met een transparante samenwerking en een team van ervaren specialisten begeleidt HyperL1ne bedrijven tijdens het gehele producttraject – van het valideren van ideeën en het vaststellen van vereisten tot ontwikkeling, optimalisatie en doorlopende ondersteuning.

Afhankelijk van de fase waarin een bedrijf zich bevindt, biedt HyperL1ne expertise op maat om het bedrijf vooruit te helpen. Of het nu gaat om een start-up die een nieuw product op de markt brengt, een gevestigd bedrijf dat een bestaande oplossing verder ontwikkelt, of een groeiend bedrijf dat processen wil optimaliseren en efficiënt wil opschalen: hun team speelt in op de unieke uitdagingen van elke fase.

• Tot hun belangrijkste diensten behoren:
• Productontwikkeling en validatie
• Bedrijfsanalyse
• Technisch advies
• UX/UI-ontwerp
• Webontwikkeling
• Ontwikkeling van mobiele apps
• Maatwerk softwareontwikkeling
• Ontwikkeling van e-commerce
• Progressive Web App (PWA) Ontwikkeling
• Kwaliteitsborging (QA)
• Doorlopende ondersteuning bij ontwikkeling en optimalisatie

Sollarix is a full-cycle digital agency that brings strategy, development, and marketing together under one roof to help businesses build digital products that grow. Instead of treating design, development, and SEO as separate projects handled by scattered vendors, their team works within a single connected system – so every website, app, or platform is built with performance, visibility, and long-term growth in mind from day one.

With over 15 years of experience and 100+ SEO projects delivered across 11+ industries, Sollarix guides companies through every stage of their digital journey – from product discovery and business analysis to development, launch, and continuous optimization. Their process follows three clear phases: Discover, Build, and Grow.

Sollarix works with startups launching their first product, SMEs modernizing outdated platforms, and established businesses looking to scale. Their team has hands-on experience with B2B companies, e-commerce brands, and SaaS products, as well as fintech, healthcare, education, logistics, and legal businesses.

• Tot hun belangrijkste diensten behoren:
• Productontdekking en bedrijfsanalyse
• Technisch advies
• UX/UI-ontwerp
• Webontwikkeling
• Ontwikkeling van mobiele apps
• Maatwerk softwareontwikkeling
• Ontwikkeling van e-commerce
• Progressive Web App (PWA) Ontwikkeling
• AI Tools & Automation
• CRM & Internal Tools
• SEO, AI SEO & GEO
• Quality Assurance (QA) & Ongoing Support

WebFX has a dedicated SEO web design offering that connects website design and development with search optimization and conversion work. Its projects can incorporate responsive design, web development, content, SEO, CRO, analytics, and ongoing optimization. The company also publishes case studies where web development and SEO have been used together, making its service model particularly relevant to established organizations rebuilding sites around both visibility and conversion objectives. 

Key Facts:

• Geschikt voor: Established businesses combining SEO, development, and conversion optimization
• Kerndiensten: SEO, web design, web development, CRO, content marketing
• SEO focus: Technical, on-page, off-page, and AI-oriented search optimization
• Notable strength: SEO integrated directly into website design and development

Contactgegevens:

• Website: www.webfx.com
• Instagram: www.instagram.com/webfx
• LinkedIn: www.linkedin.com/company/webfxinc
• Twitter: x.com/webfx
• Facebook: www.facebook.com/webfxinc
• Adres: 1705 North Front Street Harrisburg, PA, Verenigde Staten
• Phone: 1 888 449 3239

Itexus provides website development with a defined SEO stage before release. Its process covers planning, UX/UI, frontend and backend development, SEO, testing, performance optimization, deployment, and support. SEO work includes internal optimization, meta tags, robots.txt, XML sitemaps, rich-snippet preparation, and analytics setup. The company is especially relevant when search-friendly website development needs to sit alongside custom software or more technically complex web engineering. 

Key Facts:

• Geschikt voor: Technically complex websites and web platforms requiring SEO foundations
• Kerndiensten: Website development, custom software, UX/UI, QA, DevOps
• SEO capabilities: Internal optimization, metadata, sitemaps, robots.txt, structured snippets, analytics
• USA presence: Dover, Delaware
• Notable strength: SEO included as a specific stage of the development workflow

Contactgegevens:

• Website: itexus.com
• E-mail: [email protected]
• Instagram: www.instagram.com/itexus.soft
• LinkedIn: www.linkedin.com/company/itexus
• Twitter: x.com/ItexusSoft
• Facebook: www.facebook.com/itexus
• Address: 8, The Green, STE road, Dover, DE 19901, US

Coalition Technologies combines SEO with web design and development, including ecommerce projects. Its published work shows SEO, design, and development being applied together to address site structure, mobile usability, performance, content, organic visibility, and conversions. This makes the company relevant to businesses where a website rebuild is directly connected to search performance rather than treated as a separate branding exercise. 

Key Facts:

• Geschikt voor: Ecommerce and lead-generation websites
• Kerndiensten: SEO, web design, web development, PPC, email marketing
• Project types: Ecommerce stores, WordPress sites, custom websites
• Locatie: Los Angeles, California
• Notable strength: Close integration between SEO and development

Contactgegevens:

• Website: coalitietechnologies.com
• E-mail: [email protected]
• Instagram: www.instagram.com/coalitiontech
• LinkedIn: www.linkedin.com/company/coalition-technologies
• Twitter: x.com/coalitiontech
• Facebook: www.facebook.com/CoalitionTech
• Address: 515 S Flower St., 18th Floor, Suite #4081, Los Angeles, CA 90071, United States
• Phone: (310) 827-3890

SmartSites combines website design and development with SEO, PPC, email and SMS marketing, and social media services. Its service mix suits businesses that expect organic search and paid acquisition to continue after a new website launches. The agency works across B2B, ecommerce, healthcare, automotive, home services, and retail projects and is headquartered in New Jersey. 

Key Facts:

• Geschikt voor: Businesses combining a new website with ongoing SEO
• Kerndiensten: Web design, web development, SEO, PPC, email marketing
• Industries: Ecommerce, B2B, healthcare, automotive, retail, home services
• Locatie: Paramus, New Jersey
• Notable strength: Website and digital acquisition services under one agency

Contactgegevens:

• Website: www.smartsites.com
• E-mail: [email protected]
• Instagram: www.instagram.com/smartsitesnj
• LinkedIn: www.linkedin.com/company/smartsites
• Twitter: x.com/SmartSitesNJ
• Facebook: www.facebook.com/SmartSites 
• Adres: 45 Eisenhower Drive, Suite 520, Paramus, New Jersey 07652
• Telefoon: 201-870-6000

Thrive provides web design and development alongside SEO, content, PPC, CRO, email marketing, and ecommerce marketing. Its structure is suited to businesses that need an initial website project followed by ongoing search and conversion work. The agency serves companies across the United States and works with both B2B and ecommerce website projects.

Key Facts:

• Geschikt voor: Ongoing SEO after website launch
• Kerndiensten: Web development, web design, SEO, PPC, CRO, content
• Project focus: Business and ecommerce websites
• USA coverage: Nationwide
• Notable strength: Development connected with continuing digital marketing

Contactgegevens:

• Website: www.thrivagency.com
• Instagram: www.instagram.com/thriveinternetmarketingagency
• LinkedIn: www.linkedin.com/company/thrive-agency
• Twitter: x.com/ThriveAgency
• Facebook: www.facebook.com/ThriveAgency 
• Adres: 4604 Park Springs Blvd, Suite 140, Arlington, TX 76017 
• Telefoon: 866-908-4748

Straight North combines website design and development with SEO and paid advertising. Its website methodology addresses content, UX, development, search-friendly structure, and conversion paths, which is useful when a redesign is intended to improve both lead generation and organic visibility. The company serves US businesses from its Illinois base.

Key Facts:

• Geschikt voor: Lead-generation websites
• Kerndiensten: Web design, web development, SEO, paid advertising
• Specialisatie: Search-friendly business websites
• Locatie: Illinois, USA
• Notable strength: SEO and conversion considerations within website projects

Contactgegevens:

• Website: www.straightnorth.com
• Instagram: www.instagram.com/straightnorth
• LinkedIn: www.linkedin.com/company/straight-north
• Twitter: x.com/StraightNorth
• Facebook: www.facebook.com/StraightNorth/
• Adres: 1001 W. 31st Street, Suite 100, Downers Grove, IL 60515
• Telefoon: 855-883-0011

OuterBox connects web development with SEO, CRO, analytics, PPC, email, and content marketing. Its website projects can include UX, frontend and backend development, CMS implementation, integrations, technical SEO, analytics, QA, and post-launch support. Ecommerce is a major area of experience, although the company also works with B2B, enterprise, and service businesses. 

Key Facts:

• Geschikt voor: Ecommerce and technically involved SEO website projects
• Kerndiensten: Web development, SEO, CRO, PPC, analytics
• Development capabilities: Frontend, backend, CMS, integrations
• Locatie: Akron, Ohio
• Notable strength: Technical SEO incorporated into development projects

Contactgegevens:

• Website: www.outerboxdesign.com
• Instagram: www.instagram.com/outerbox
• LinkedIn: www.linkedin.com/company/outerbox
• Twitter: x.com/outerbox
• Facebook: www.facebook.com/OuterBox
• Address: 175 Montrose West Ave., Ste 200, Akron, OH 44321
• Telefoon: 1-866-647-9218

Lounge Lizard works across web design, development, branding, and digital marketing. Its technical capabilities include custom development and work with WordPress, Shopify, Magento, Laravel, and Contentful, while its marketing services include SEO, PPC, social media, email, CRO, and marketing automation. This combination fits businesses that want brand, website, and search work coordinated through one agency. 

Key Facts:

• Geschikt voor: Brand-focused websites requiring SEO and development
• Kerndiensten: Web development, web design, SEO, branding, PPC
• Platforms: WordPress, Shopify, Magento, Contentful
• Locatie: New York, USA
• Notable strength: Development combined with branding and digital marketing

Contactgegevens:

• Website: www.loungelizard.com
• E-mail: [email protected]
• Instagram: www.instagram.com/loungelizardww
• LinkedIn: www.linkedin.com/company/lounge-lizard-worldwide-inc.
• Twitter: x.com/LoungeLizardWW
• Facebook: www.facebook.com/pages/Lounge-Lizard-Worldwide-Inc
• Adres: 112 West 34th Street, 18e verdieping, New York, NY 10120
• Telefoon: 1-888-444-0110

Digital Silk handles web development within a wider offering that includes web design, branding, SEO, PPC, content, social media, and digital strategy. Its website projects can cover custom development, ecommerce, responsive design, CMS integration, UX, testing, and post-launch optimization. This range is relevant to organizations undertaking substantial redesigns where search, branding, accessibility, and conversion requirements need to be addressed together.

Key Facts:

• Geschikt voor: Custom website redesigns tied to marketing goals
• Kerndiensten: Web development, web design, SEO, branding, digital marketing
• Project types: Corporate, B2B, B2C and ecommerce websites
• Notable strength: Strategy, UX, development, and marketing in one workflow

Contactgegevens:

• Website: www.digitalsilk.com
• Instagram: www.instagram.com/digitalsilkagency
• LinkedIn: www.linkedin.com/company/digitalsilk
• Address: New York, 18 West 18th Street, New York, NY 10011
• Telefoon: (800) 206-9413

Bop Design focuses specifically on B2B organizations. Its website design and development work is supported by SEO, branding, content marketing, paid search, email, and ongoing website improvements. Published experience spans technology, SaaS, fintech, biotech, manufacturing, and professional services, making the agency particularly relevant to B2B companies whose websites need to support long sales cycles and organic lead generation. 

Key Facts:

• Geschikt voor: B2B website redesign and SEO
• Kerndiensten: Web development, web design, SEO, content marketing, branding
• Industries: SaaS, technology, fintech, biotech, manufacturing
• Locatie: San Diego, California
• Specialisatie: B2B marketing websites

Contactgegevens:

• Website: www.bopdesign.com
• Instagram: www.instagram.com/bopdesign
• LinkedIn: www.linkedin.com/company/bop-design
• Twitter: x.com/bopdesignsd
• Facebook: www.facebook.com/BopDesign
• Address: 25 Broadway, 10th Floor, New York, NY 10004
• Phone: 888 670 7803

UPQODE works across web design, development, SEO, and digital marketing. Its development services cover business and ecommerce websites, including projects involving CRM integration, while the marketing side includes SEO, advertising, landing-page optimization, social media, and CRO. The Nashville-based agency is a practical fit for small and midsized businesses that want search visibility considered alongside website creation and ongoing optimization. 

Key Facts:

• Geschikt voor: Website projects with an ongoing SEO component
• Kerndiensten: Web development, web design, SEO, digital marketing
• Project types: Business websites, ecommerce, CRM-connected sites
• Locatie: Nashville, Tennessee
• Notable strength: Website creation combined with search and conversion work

Contactgegevens:

• Website: upqode.com
• E-mail: [email protected]
• Instagram: www.instagram.com/upqode 
• Facebook: www.facebook.com/upqode
• Address: 41 Peabody St, Nashville, TN 37210 USA
• Telefoon: +1 615-693-5055

A-Listware approaches web projects primarily from the software engineering side. Its capabilities cover corporate websites, ecommerce solutions, web portals, web applications, UX/UI, architecture, frontend and backend development, integrations, QA, and ongoing support. 

Key Facts:

• Geschikt voor: SEO-led projects requiring substantial engineering resources
• Kerndiensten: Web development, UX/UI, software development, QA, integrations
• Project types: Websites, ecommerce, portals, web applications
• USA location: North Bergen, New Jersey
• Notable strength: Full-cycle web engineering and ongoing technical support

Contactgegevens:

• Website: a-listware.com
• E-mail: [email protected]
• LinkedIn: www.linkedin.com/company/a-listware
• Facebook: www.facebook.com/alistware
• Adres: North Bergen, NJ 07047, VS
• Telefoon: +1 (888) 337 93 73

21Century.tech is an AI-native software studio. Its development model combines senior engineering oversight with AI-assisted coding, testing, documentation, and refactoring. Published capabilities include landing pages, full-stack features, MVPs, integrations, CI/CD, and deployment. For an SEO-driven website project, the studio is therefore better suited to implementing defined technical and development requirements than managing a complete organic search campaign itself.

Key Facts:

• Geschikt voor: Development-heavy projects with externally defined SEO requirements
• Kerndiensten: Full-stack development, MVP development, integrations, refactoring
• Development capabilities: Architecture, frontend and backend work, testing, CI/CD
• Delivery model: Senior engineers supported by AI-assisted development
• Notable strength: Rapid production software development with human code review

Contactgegevens:

• Website: 21century.tech

Ironpaper combines B2B website strategy and development with SEO, demand generation, content, account-based marketing, and sales enablement. Its development capabilities include marketing websites, web applications, SaaS products, WordPress, and HubSpot CMS projects. The B2B emphasis makes the company relevant when organic search is expected to support qualified lead generation and longer buyer journeys rather than simply increasing general website traffic.

Key Facts:

• Geschikt voor: B2B companies with complex buying cycles
• Kerndiensten: Web development, SEO, demand generation, content marketing
• Development capabilities: Marketing websites, web applications, SaaS, WordPress, HubSpot CMS
• Locatie: New York, USA
• Notable strength: Connecting website and SEO work with B2B demand generation

Contactgegevens:

• Website: www.ironpaper.com
• LinkedIn: www.linkedin.com/company/ironpaper
• Address: 10 East 33rd Street, 6th Floor, New York, NY 10016
• Telefoon: 212-993-7809