Find reliable web development companies in New Castle, Delaware, that can help you achieve your digital goals. DesignRush has curated a list of agencies trusted by Fortune 500 brands, ensuring quality and expertise. With over 1M monthly visitors and 100,000 client-agency matches each month, our platform is a trusted resource for businesses seeking the best partners. Compare providers by industry expertise, client type, budget, reviews, team size, and portfolio.
Best New Castle Website Development Agency Rankings
6 Companies - Rankings updated: April 01, 2026
Each agency undergoes DesignRush evaluation for professional expertise and genuine client satisfaction to assist your search. Some featured placements are paid.
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Onyx is a digital agency working globally and providing results-driven solutions. It helps brand's boost their organic presence through digital services such as SEO, Web Design & Web Development. [... see all Onyx8 Digital Agency reviews ]- Location
- New Castle, Delaware
- Number of Employees
- Under 49
- Average Hourly Rate
- $55/hr
- Portfolios Count
- 2 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsOnyx8 Digital Agency Services
Comprehensive analysis done by DesignRush Agency Experts.Clients and Projects
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Magento Development Project Inkjetsclub Case Study (SEO)
Reviews verified by DesignRush and sourced from the agency's profileOnyx8 Digital Agency Reviews & Testimonials
SEO Review from Vladimir Abrahamyan
Onyx8 takes a personalized approach to every client rather than offering a one-size-fits-all solution. One of our clients needed an eCommeerce retail store. So the team understood the business needs, prepared a plan, and after aligning it with us started to implement the changes. After 4-5 months, we can already see an increase in organic traffic by over 200% since we started working with them. Thanks team for all your efforts.
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eCommerce Consulting Review from Jacqueline Reingold
We wanted to widen our market from Europe to US market to sell online so we needed digital consultation. Onyx8 Agency did a full analysis of our digital strategy, identified the main gaps and main traffic acquisition channels along with PPC and SEO strategies, and provided a complex digital strategy for penetrating the US market. The team is patient, knowledgeable, responsive, and always goes the extra mile to ensure success.
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Web Design Review from Kelly Olivas
Onyx8 designed a beautiful and user-friendly SaaS website. They exceeded my expectations with their professionalism and efficient project management. They also designedSpectrumSynchs logo which was amazing and included everything business owners highlighted it to have (colors, association, etc.). Both web designers and developers did their due diligence to understand the required business needs. Onyx8s work quality is second to none.
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Data sourced from the agency's DesignRush profileLa COLOMBE Gold's Gym TheBlueground Steezy Studio Hf4you INKjetsclub
- Our Mission : To Deliver Integrated, Vibrant and Streamlined Ñ•Đ¾lutÑ–Đ¾nÑ• for clients across the Globe, By maintaining Honesty, Transparency, and Trust with fair margins. [... see all Mobulous Technologies reviews ]
- Location
- New Castle, Delaware
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsMobulous Technologies Services
Reviews verified by DesignRush and sourced from the agency's profileMobulous Technologies Reviews & Testimonials
Mobile App Development Review from Rameet Chawla
Working with MOBULOUS TECHNOLOGY on our mobile app development was a game-changer. MOBULOUS expertise and strategic insights significantly enhanced the project. His commitment to excellence and effective communication made the collaboration seamless. I highly recommend MOBULOUS for anyone seeking top-notch mobile app development.
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Mobile App Development Review from Marwan F Bardawil
Collaborating with the MOBULOUS at Bardawil Group on our Mobile App Development project was exceptional. Their strategic insights and hands-on leadership ensured a successful outcome. Their commitment to excellence and innovation exceeded expectations, making them a valuable asset for any mobile app development initiative. Highly recommend their expertise and dedication.
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Mobile App Development Review from Kalu Ogba lll
Working with Mobulous Technology on our mobile app development was a fantastic experience. Mobulous expertise and professionalism stood out at every stage. He delivered a high-quality app that exceeded our expectations, showing excellent coding skills and problem-solving abilities. Communication was clear, feedback was welcomed, and deadlines were met promptly. Kalu's creativity added valuable insights to the project. I highly recommend Mobulous Technology for anyone in need of a reliable and skilled mobile app developer.
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Data sourced from the agency's DesignRush profileMap My Doctor Jiyo India Ebiz
Salesforce Consulting Partner for Agentforce, Data Cloud & Automotive Industry
we specialize in turning your vision into reality through our cutting-edge next-gen services. From innovative product development to seamless digital transformations, we empower businesses to thrive in the modern era. Our commitment to excellence ensures sustainable growth and unparalleled success for our [... see all Xillentech reviews ]- Location
- New Castle, Delaware
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsXillentech Services
Comprehensive analysis done by DesignRush Agency Experts.Reviews verified by DesignRush and sourced from the agency's profileXillentech Reviews & Testimonials
Digital Services Review from David Guzzo
We hired the full service from XILLENTECH for website solution and redesign and they really did a great job for us. More particularly, their ability to pay attention to details, thinking out of the box and being good communicators were qualities which worked well for them. The website model looks great, and our web presence has benefited greatly. XILLENTECH has a true grasp of what it means to be a digital agency. Wow! As you may guess, we couldnt be happier with the results offered by our new system!
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Digital Services Review from Steven Maarbani
We did not expect such a major performance from XILLENTECH. Their digital solutions were even more than what our business could need because they are all-inclusive services. Their web design team was great they were professional and explained all areas from the design of the website to SEO. The results speak for themselves: more traffic, interaction, as well as, better performances, and enhanced conversion rates. Highly recommend for any business for their growth on the internet!
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Web Development Review from Antonis Chalkiopoulos
XILLENTECH is one of the best web development company that distinguished for professional along with innovative work. They offer high quality, well developed websites which are friendly to the user and best of all they pay close attention to details. This team is professional and always responds well in order to ensure quality end products. The employees are hardworking, and the coordinators are excellent at explaining what is to be done and at making the whole process fun. In case you are interested in finding a reliable partner for web development, XILLENTECH is excellent.
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Data sourced from the agency's DesignRush profileScholar9 XiDomains Strokefocus
Delivering World-Class Software at Startup Speed
Waker is a software and UX design company that empowers businesses of all sizes to deliver cutting-edge solutions. The agency offers comprehensive software support and maintenance services, ensuring sustained growth and client success. Waker strategizes and implements digital products that resonate with its [... view Waker profile ]- Location
- New Castle, Delaware
- Number of Employees
- Under 49
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $1,000 - $10,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsWaker Services
Reviews verified by DesignRush and sourced from the agency's profileWaker Reviews & Testimonials
Chris Asman's Review Sourced from Google
Nafis and Philip were a pleasure to work with. They brought our idea to life and helped us navigate the early stages of product launch and beta testing - couldn't have been happier with the outcome!If you're looking to build a website or mobile application, I'd highly recommend Waker!
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Data sourced from the agency's DesignRush profileRedi Health HRSoft TicketFire Lucky Studium
Empowering your digital presence with cutting-edge solutions.
GM Sunshine is a cutting-edge technology firm specializing in web development, cloud solutions, and software integration. Since 2016, we've been empowering businesses with tailored digital solutions, delivering high-quality services designed to optimize operations and drive growth. [... view GM Sunshine profile ]- Location
- New Castle, Delaware
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $1,000 - $10,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsGM Sunshine Services
Data sourced from the agency's DesignRush profileHalfspace DevSphere Technology Bright Style Fashion
Empowering Digital Innovations.
Mediatrenz stands as a prominent digital marketing agency based in India, providing a comprehensive array of services including SEO, web design and development, mobile app development, PPC, ORM, web application development, server management, ASO, and WordPress development. With a focus on delivering [... see all Mediatrenz reviews ]- Location
- New Castle, Delaware
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Portfolios Count
- 2 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsMediatrenz Services
Reviews verified by DesignRush and sourced from the agency's profileMediatrenz Reviews & Testimonials
Web Design Review from Maurice Rissman
This company should not be in business, they destroyed my website & decimated traffic. New site takes around 30 sec's to load EVERY page, charged for services that didn't provide. Farm the work out to India where pay is circa $200USD p/mth, and charge the client circa $35 p/hr!! They are absolutely incompetent beyond belief!!
Show morePreeti Gupta's Review Sourced from Google
I never believed in SEO until I saw what MEDIATRENZ did for us. From page 6 to page 1 in three months—their SEO services are unmatched. Transparent reporting and intelligent keyword usage really impressed us.
Show moreTanishq Gupta's Review Sourced from Google
I’ve worked with other agencies before, but none understood social media marketing like MEDIATRENZ. They know how to speak your brand language and turn likes into conversions. My DMs are now filled with real inquiries, not bots!
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Data sourced from the agency's DesignRush profileStar City Auto ATV Box Le Law Group Maximum Velocity Sports Quebec Photo Booth
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About The Author and Expert Reviewer
Robert de Wit has a diverse background in advertising, marketing, IT, and healthcare. With a history as both a copywriter and a video game journalist, he specializes in SEO, long-form content creation, and crafting compelling copy that drives results. Currently, he writes about website and interface design at DesignRush, delivering the latest industry insights and analysis.
Sergio is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.
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