Great UX feels invisible because every decision was made with the user in mind. We map the journey, eliminate friction, and design interfaces that convert.
UX (user experience) design defines the path a user takes through a product or website and removes the friction along it, using research, journey mapping, wireframes and testing. UI (user interface) design gives that path its visual form: layout, components, typography, color and interaction states, delivered as specifications a developer can build.
GrossiWeb is a web design and digital marketing agency founded in 2006 and based in Atlanta, Georgia, serving Raleigh, Los Angeles and businesses nationwide. Its UX and UI design service covers user research and journey mapping, wireframes and tested prototypes, and production-ready interface design with component specifications, and is quoted after a scoping call.
UX and UI design are different disciplines that have to work together. UX defines the journey: what the user needs to do and how we make it easy. UI brings that journey to life visually. We do both, and we do them in that order.
We map how your users actually think and move: through interviews, analytics review, and competitive analysis.
Low and high-fidelity prototypes tested with real users before a pixel of production UI is built.
Pixel-perfect designs with complete component specifications ready for development handoff.
8.4%
more retail conversions from a 0.1 second improvement in mobile site speed; average order value rose 9.2%
35%
conversion rate increase the average large ecommerce site can gain from design changes to its checkout alone
91%
of US adults own a smartphone, and 16% rely on it as their only way online, with no home broadband
42.2%
of US web page views came from mobile devices in August 2026, against 55.7% from desktop
A UI/UX design agency is a firm that researches how users think and move through a product, designs the journey and the screens, and hands developers a specification precise enough to build without guesswork. GrossiWeb does the UX work first, through interviews, analytics review and competitive analysis, then the UI, with low and high-fidelity prototypes tested with real users before production design starts.
Yes. Every website, application and AI-powered tool still has an interface that people have to understand, and design tools that generate screens have raised the volume of interfaces without deciding whether any of them is right for the user. GrossiWeb's UX work is the part no generator does: finding out what users actually need through research, and testing prototypes before a pixel of production UI is built.
GrossiWeb quotes UX and UI design after a scoping call, because the cost depends on the number of screens and user flows, how much research is needed and whether an existing design system can be reused. For context, published 2026 guides put agency design rates at $100 to $149 an hour (Clutch, 2026) and a blended US agency rate around $145 an hour (DesignRush, 2026).
Published 2026 guides put agency design rates at $100 to $149 an hour (Clutch, 2026); GrossiWeb quotes a fixed project price after a scoping call instead of billing by the hour. Screen count, research depth and whether a design system exists decide the figure. Design for a store is scoped with ecommerce development; design for a marketing site follows the web design process.
A firm that researches user behavior, maps the journey, designs and tests prototypes, and delivers production interface designs with component specifications for developers. GrossiWeb does UX before UI, in that order, and tests prototypes with real users before final design. For products with a technical audience, see the SaaS and tech startups page; for the wider design offer, see design services.
There is no single best agency; the useful test is whether a firm does research before drawing, tests prototypes with real users, delivers specifications developers can build from, and checks accessibility during design. GrossiWeb meets those four and adds development from the same team. Conversion evidence from its CRO consulting work informs the design, and accessibility is covered under accessibility compliance.
Design work rarely stands alone. These are the services we most often pair with this one.