NerdCow

NerdCow is a London-based web design agency founded in 2015, focused on serving SaaS and B2B tech companies. The agency operates on a subscription model, which promotes long-term relationships; the average client relationship lasts nearly six years, over 50% longer than the standard for creative agencies as reported in 2025. NerdCow uses 4-week cycles to constantly strategize, ideate, and implement changes, allowing websites to keep up with dynamic business needs. The agency also covers business-as-usual requests and vital maintenance to keep sites secure.

The agency employs under 49 people and was founded in 2015. Minimum budget and average hourly rate are available upon inquiry. NerdCow's headquarters is located at 71-75 Shelton St, London, WC2H 9JQ, United Kingdom. The agency is active on Twitter, LinkedIn, and YouTube.

NerdCow offers a range of services including Web Design, Conversion Rate Optimization (CRO), UI/UX Design, WordPress Website Design, and Web Development. Areas of expertise include CMS platforms (Headless CMS, WordPress), custom frameworks (Next.js, React.JS), digital marketing (B2B, B2B lead generation, content creation, copywriting, growth marketing, inbound marketing, SaaS marketing), UI/UX (interactive design, UX audit, UX research, UX strategy, usability testing, user research), and web design (B2B, landing page design, website redesign).

The agency serves clients in Software & IT Services, Fintech, Transportation & Logistics, and other industries. Client types include startups, medium businesses, and enterprise/corporate organizations. NerdCow's team includes founder Tomasz Lisiecki, who leads strategic user journey efforts with over 10 years of experience, and product manager Dawid Zimny, who prioritizes work based on value and co-facilitates workshops.

Google reviews give NerdCow a 4.3 rating from 16 reviews. Clients consistently praise the agency for responsive communication, agile development, and high-quality results. One reviewer noted that the collaborative prototype approach resulted in a fully functional site built in exactly 4 weeks. Another client highlighted the agency's ability to double leads for Courier Exchange in the first month of a project. Reviews also commend the team's problem-solving skills, attention to detail, and ongoing support.

NerdCow's portfolio includes a B2B project for Courier Exchange that doubled leads within the first month, with a budget of $20K-$100K over 3 months in 2025. The agency has been featured in press mentions from Lifewire, Hotjar, and BuiltIn, including a case study on how NerdCow used Hotjar to triple conversions for a client in two weeks.