Creating intuitive, user-centric eCommerce websites, elevating brands to where they should be

Your brand

Optimised for Mobile

Your brand

We understand the value and the standards you set for your brand; we want to see it grow as much as you do. That’s why all of our websites are tailor-made to your needs and your target demographic.

Optimised for Mobile

According to eMarketer, by 2021 it’s anticipated that mCommerce will account for 72.9% of the eCommerce market. So, what’re you waiting for?

Optimizing your site for mobile is more important than ever to reach your target audience. StreamMarket, a UX design agency in Portsmouth will assess assess your target demographic and adjust your sites mobile experience accordingly.

Whether it’s a parent on the go who needs to search for a product hands free or an office worker on a 15-minute break time crunch. We can optimize your site accordingly with clear, concise product information, voice search, cart optimisation and many more handy tools.

How it works

Discovery Session

In this session we’ll collaboratively build a picture of your current user experience. This will also be the perfect opportunity to see what’s been working for you and what hasn’t, what to highlight and what to take away to build the perfect UX for your business.

Research & User Testing

Feedback from the people who matter most, your customers! Through a range of testing approaches, we’ll create targeted user journeys to gather data on how to improve your users digital experience.

Wire-framing & Prototyping

We love innovating ideas to elevate your brand! But are they best left on paper? Before you jeopardise your budget, we can test your concepts for you to ascertain if they’ll do the trick.

Digital Guidelines

If you’re looking to completely reinvent the aesthetic of your brand or retain your existing look, we can work to achieve your goals to keep in style and on brand.


Our core principles of design are centred around creating immersive and intuitive experiences for your users. Simplicity is key in effective design.

Design & UX Support

We provide continuous support, enabling you to maintain brand continuity across every touchpoint. From inspirationally fresh features, season updates to your catalogue and banners to even the smallest of details such as icons. We’ve got you covered to ensure your customers come back for more.

Success Stories

Phase Electrical is an independent wholesaler of electrical supplies and lighting. Located in Sussex, UK. Taking pride in serving the thousands of tradesmen.
One of Europe’s leading baby sleeping bag manufacturers, selling their products exclusively online in the UK, Europe, Australia and the US. StreamMarket client since 2014.
Hastings Fabric Company is a one stop for the interiors. Providing everything you need from designer fabrics, paints and wallpapers to luxurious home accessories.