Explore leading eCommerce development companies in New Haven, Connecticut, that can help you grow your online presence. DesignRush features agencies trusted by major brands such as Estee Lauder and Heineken. With over 100,000 client-agency matches made monthly and 40,000+ vetted agencies, you can trust us to connect you with the best in the business. Compare providers by industry expertise, client type, budget, reviews, team size, and portfolio.
Best New Haven eCommerce Agency Rankings
2 Companies - Rankings updated: April 01, 2026
All agencies on DesignRush undergo evaluation based on professional expertise and verified client reviews. Please note that certain placements are paid partnerships.
Building Custom Software, web and mobile solutions
Outsmart the competition with best-in-class Custom Software development, web & mobile app development & digital marketing services. Build digital products that let people do things differently. Acquire more customers with user-friendly & scalable apps. (603)-835-3130 for a free consultation. [... see all TechAvidus reviews ]- Location
- New Haven, Connecticut
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $18/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 56 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsTechAvidus Services
Comprehensive analysis done by DesignRush Agency Experts.Clients and Projects
View Full Portfolio
eCommerce Development Project for eCommerce Company Multi-Vendor e-Commerce Marketplace Platform 
eCommerce Development Project for eCommerce Company eCommerce App Development -thumb-webp.webp)
eCommerce Development Project for eCommerce Company Sales Application for Bulb Production Company -1-thumb-webp.webp)
eCommerce Development Project for Transportation & Logistics Company Custom eCommerce Order Management & Tracking Solution for eShopbox 
Website Development Project for Social Networks Company Pynora - Question Answer Platform like Quora 
Website Development Project for Real Estate Company Real Estate CRM, Sales & Marketing Solution
Reviews verified by DesignRush and sourced from the agency's profileTechAvidus Reviews & Testimonials
SEO Review from Edmund Sohkhlet
From the start, the team was responsive, knowledgeable, and attentive to my needs. They took the time to understand my requirements and offered clear, practical solutions tailored to my situation.We are looking forward in the future expectation with the same kind of work
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SEO Review from Stephen Pritchard
TechAvidus provided exceptional SEO services that significantly boosted our online presence. Their team demonstrated deep expertise in keyword research, on-page optimization, and backlink strategies, resulting in improved search engine rankings and increased organic traffic to our website. They consistently delivered detailed reports and actionable insights, keeping us informed at every stage of the process. What stood out was their proactive approach to understanding our business needs and tailoring their strategies accordingly. Their responsiveness and commitment to achieving measurable results made them a valuable partner. We highly recommend TechAvidus for anyone looking to enhance their digital visibility and grow their business.
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Software Development Review from Sam Eid
TechAvidus delivered exceptional custom software development tailored to our needs. Their team offered diverse solutions, explained options clearly, and maintained excellent communication throughout the project. They were professional, flexible, and committed to meeting deadlines while delivering a robust, user-friendly product. We highly recommend TechAvidus for reliable and innovative software solutions.
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Data sourced from the agency's DesignRush profileRealty Works Poindle Online Scheduler Alliance Advisors MATE IT Origin EshopBox GateKeeper Press Client Care PFizer
Crafting Digital Experiences. Powered by Klise.
Klise Consulting is your trusted partner for custom web and mobile app development. With a small team of highly skilled designers and developers, we deliver tailored solutions that prioritize quality and cost-effectiveness. Experience the difference of working with an experienced team to bring your digital [... view Klise Consulting profile ]- Location
- New Haven, Connecticut
- 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 accountsKlise Consulting Services
Data sourced from the agency's DesignRush profileSmall Business Industry Finance Industry IT Industry
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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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