App Development Company

Chelsea Apps

London mobile and web app studio, now part of 3 Sided Cube, for startups and enterprises

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TrustList summary

Chelsea Apps is a London studio that researches, designs and builds mobile and web apps. Its website says it has become part of 3 Sided Cube, which has widened its digital practice.

What Chelsea Apps offers

Mobile app development: apps built around what end users need.
Web app development: web products built with a lean, iterative method.
Research and design: testing ideas early so that only worthwhile features are built.
Digital transformation support: helping companies trial and adapt new technology.

Clients

The studio says it works with startups and large enterprises alike.

Key facts

Based in: London, UK
Parent group: 3 Sided Cube

Summary written by TrustList from the business's own published information, Oct 2026.

Categories & features

Rankings

Chelsea Apps is ranked on 1 TrustList ranking at #46.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. Chelsea Apps has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

App development company · 1 ranking

#46of 57
London
It is one of 2 here listing HTML5 and node.js.
Its profile: “Chelsea Apps is a London studio that researches, designs and builds mobile and web apps.”
Of the 57 here, 38 also cover eCommerce and 27 also cover business services; 5 also work in Manchester and 5 also work in Dublin.
Behind Can Factory, ahead of Coded Lines Ltd.

As of 2026-11-02. Organic ranks only; sponsored placements are never ranks. How TrustList ranks