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Award-Winning Mobile App & Software Development

3 Sided Cube is an AI-first technology partner with over 100 million downloads across 87+ countries. We build mobile apps, web applications, custom software, automation workflows, and custom LLMs for organisations that need technology that performs at scale.

Our clients span emergency response, culture, environment and enterprise - including The American Red Cross, Glastonbury Festival, Vodafone and Surfers Against Sewage. We're trusted where failure isn't an option.

  • Min project size
    $50,000+
  • Hourly rate
    $100 - $149 / hr
  • Employees
    50 - 249
  • Locations
    Bournemouth, England
  • Year founded
    Founded 2009
  • Languages
  • Timezones

1 Language that we service

  • English

10 Timezones that we service

ACT
Australia Central Time (ACT)
AET
Australia Eastern Time (AET)
CET
Central European Time (CET)
EST
Eastern Standard Time (EST)
EET
Eastern European Time (EET)
GMT
Greenwich Mean Time (GMT)
MET
Middle East Time (MET)
MST
Mountain Standard Time (MST)
NST
New Zealand Standard Time (NST)
PST
Pacific Standard Time (PST)

2 Locations

  • Bournemouth , England
  • Winter Garden , FL

No have been added yet...

    Pricing Snapshot

    Min. project size $50,000+
    Avg. hourly rate $100 - $149 /hr
    Rating for cost 4.5 /5

    What Clients Have Said

    3 SIDED CUBE offers good value for cost, with project budgets ranging from £8,000 to £500,000. Clients appreciate their flexibility, responsiveness, and alignment with project values. Overall, they deliver high-quality work, often exceeding expectations within agreed timelines.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $50,000 - $199,999 based on 38 reviews
    < $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

    Select a service to see pricing information

    3 SIDED CUBE Review Insights

    Overall Review Rating

    4.9
    • Quality 4.8
    • Schedule 4.8
    • Cost 4.5
    • Willing to Refer 5.0

    Top Mentions

    Review Highlights

    • Positive Client Relationships and Engagement

      Clients value the positive and collaborative relationships fostered by 3 SIDED CUBE. Their team is described as friendly, approachable, and genuinely invested in client success, making them a pleasure to work with.

    • High-Quality Deliverables and Timely Execution

      3 SIDED CUBE consistently delivers high-quality work on time, with several projects exceeding client expectations. Their commitment to quality and deadlines is a significant factor in their clients' satisfaction.

    • Innovative and User-Centric Design Approach

      Their user-centric design process and innovative approach result in intuitive and engaging applications. Clients commend their ability to incorporate user feedback and deliver products that enhance user experience.

    • Eagerness to Use Technology for Good

      3 SIDED CUBE's eagerness to engage in projects that have a positive societal impact is frequently highlighted. They are driven by a desire to use technology to make a difference.

    • Limited Design Capabilities Noted by Some Clients

      While 3 SIDED CUBE excels in development, some clients suggest improvements in their design capabilities. Enhancing their design team could further strengthen their service offerings.

    • Successful Collaboration with Diverse Clients

      3 SIDED CUBE successfully collaborates with a wide range of clients, from nonprofits to tech startups, providing tailored solutions that meet specific industry needs.

    3 SIDED CUBE Reviews

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    Mobile/Web App Dev & Project Mgmt for Storytelling Resource

    • Mobile App Development Web Development
    • Less than $10,000
    • Mar. - Apr. 2026
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Every interaction with them has been joyful!"

    Apr 22, 2026
    CEO, now>press>pay
    Tilly Brooke
    Verified
    • Education
    • England
    • 1-10 Employees
    • Online Review
    • Verified

    3 SIDED CUBE provided mobile and web app development support and project management for a storytelling resource. The team helped complete tickets and design the app using Flutter.

    Web Design & Development for Environmental Services Company

    • Application Management & Support Web Design Web Development
    • Confidential
    • Oct. 2024 - Oct. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They had a professional, friendly communication style that flowed into the project."

    Dec 22, 2025
    Project Manager, Environmental Services Company
    Anonymous
    Verified
    • Other industries
    • England
    • 1-10 Employees
    • Online Review
    • Verified

    An environmental services company hired 3 SIDED CUBE to design and develop a web platform. The goal was to raise awareness of flood risk and display multiple sources of data in one location.

    App Dev for Water Quality Campaign Organization

    • Application Testing Mobile App Development UX/UI Design
    • $10,000 to $49,999
    • Apr. - Dec. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They were able to work around our needs whilst always showing up to best practice."

    Dec 19, 2025
    Water Quality Data Officer, Surfer Against Sewage
    Anonymous
    Verified
    • Other industries
    • Truro, England
    • 11-50 Employees
    • Online Review
    • Verified

    3 SIDED CUBE provides app development services for a water quality campaign organization. The team has analyzed the app's usage and delivered a complex technical solution to enhance the app's offering.

    Platform Development & UX/UI Design for Nonprofit Org

    • Custom Software Development UX/UI Design
    • Confidential
    • Apr. 2024 - Feb. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "It was a pleasure working with such a dedicated and responsive team."

    Feb 20, 2025
    Chief of Staff, Nonprofit Organization
    Anonymous
    Verified
    • Non-profit
    • New York City, New York
    • 11-50 Employees
    • Online Review
    • Verified

    3 SIDED CUBE developed a digital platform for a nonprofit organization. The team designed the platform's UX/UI and reports and implemented data visualization features.

    Graphic & UI/UX Design for HealthTech Company

    • Graphic Design UX/UI Design
    • Confidential
    • May - June 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their dedication to understanding the purpose and underlying basis of the proposed tools delivered excellent results."

    Jul 18, 2024
    Chairman, Family Mental Wealth
    Nick Pollard
    Verified
    • Other industries
    • United Kingdom
    • 1-10 Employees
    • Online Review
    • Verified

    3 SIDED CUBE created the designs and functionality specifications of a healthtech firm's products. They also produced technical documentation and designed the graphics for the client's illustrative videos.

    Mobile & Web App Development for Nonprofit Organization

    • Web Development
    • $200,000 to $999,999
    • Sep. 2018 - Ongoing
    4.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    4.5

    "3 SIDED CUBE is always highly communicative and delivers things when they say they will."

    Nov 21, 2022
    Project Manager, Nonprofit Organization
    Anonymous
    Verified
    • Other industries
    • Washington, District of Columbia
    • 1,001-5,000 Employees
    • Online Review
    • Verified

    A nonprofit organization hired 3 SIDED CUBE to develop a mobile and web application using React Native, React, and Redux. The team comprehensively reviews code, triages issues, and implements solutions.

    Mobile App Design and Dev For Government Organization

    • Mobile App Development UX/UI Design
    • $200,000 to $999,999
    • June 2022 - Ongoing
    4.5
    Quality
    5.0
    Schedule
    4.5
    Cost
    4.5
    Willing to Refer
    5.0

    "They're a passionate, enthusiastic, and young team."

    Oct 10, 2022
    Executive, Government Organization
    Anonymous
    Verified
    • Government
    • London, England
    • 5,001-10,000 Employees
    • Phone Interview
    • Verified

    A government organization hired 3 SIDED CUBE to provide mobile app design and development. With the help of an R&D process, they're creating a gaming app to help engage young people in combating climate change.

    Market Research & UX/UI Design for Nonprofit Startup

    • Market Research UX/UI Design
    • $50,000 to $199,999
    • Feb. - July 2022
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “We had confidence that their work would make sense from every perspective.”

    Aug 4, 2022
    CEO & Founder, My Planet Alliance
    Susan Huse
    Verified
    • Other industries
    • Fort Collins, Colorado
    • 1-10 Employees
    • Phone Interview
    • Verified

    A nonprofit startup wanted to build a mobile application that would serve as a marketplace for environmental and climate projects. 3 SIDED CUBE did the UX/UI design from scratch and conducted market research.

     

    iOS and Android App Dev for Charity

    • Mobile App Development
    • $50,000 to $199,999
    • Mar. 2020 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    3.5
    Willing to Refer
    5.0

    "We've always felt that their communication has been good and easy."

    Mar 28, 2022
    Marketing Manager, Child Brain Injury Trust
    Anonymous
    Verified
    • Other industries
    • Brackley, England
    • 11-50 Employees
    • Online Review
    • Verified

    3 SIDED CUBE is developing a charity’s iOS and Android app. They’ve followed the client’s vision and iterated based on feedback. They’re currently updating the tool and implementing minor tweaks. 

    Showing 1-10 of 49 Reviews

    Fast Play

    Fast Play is how we help you test smart and move fast. Validating your idea in a week, not months. Whether it’s an AI workflow, app concept, or something in-between, we take your idea, build what matters, and hand back a working prototype you can actually use (or use to get sign-off or secure the big bucks).

    Small

    Your shortcut to develop ideas to proof-of-concept

    $14,850 /total
    • Align & Define
    • Ideation
    • Critique & Decide
    • Prototyping: 2 days

    Large

    Maximum time to develop the MVP and prove concepts

    $19,800 /total
    • Align & Define
    • Ideation
    • Critique & Decide
    • Prototyping: 6 days
    • Documentation
    Features

    Small

    $14,850

    /total

    Medium

    $17,820

    /total

    Large

    $19,800

    /total

    Align & Define

    Ideation

    Critique & Decide

    Prototyping

    2 days

    4 days

    6 days

    Documentation

    Small

    $14,850

    /total

    Align & Define

    Ideation

    Critique & Decide

    Prototyping

    2 days

    Documentation

    Medium

    $17,820

    /total

    Align & Define

    Ideation

    Critique & Decide

    Prototyping

    4 days

    Documentation

    Large

    $19,800

    /total

    Align & Define

    Ideation

    Critique & Decide

    Prototyping

    6 days

    Documentation

    Our Story

    We are 3 Sided Cube: a multi‑award‑winning Tech for Good studio that designs and builds in‑house software to save lives, shift systems and scale social impact. Our distributed, cross‑discipline team blends engineering, product, design and ops, guided by collaboration, user‑centred design, transparent delivery and thoughtful AI. We partner with leading mission organisations across disaster response, climate, mental health and global connectivity.

    Meet the Team

    Duncan Cook

    Duncan CookCEO

    Founder of 3 Sided Cube, with a huge passion for building projects that have real measurable impact.

    James Marriott

    James MarriottHead of Creative

    James is a visual communication professional with over 11 years of industry experience in putting a love of making visuals that solve problems to use across design projects spanning UI, print, and brand design.

    Kevin Borrill

    Kevin BorrillHead of Engineering

    Kev's main role at 3 SIDED CUBE is to be head of the engineering team and to ensure that he is wearing a hat backwards at all times. On his down time he enjoys volunteering with the Scouting movement and watching panda videos on the internet.

    Matt Lawrence

    Matt LawrenceHead of Marketing

    With 25 years in marketing, Matt is all about listening, learning, and creating experiences that feel human. He digs into customer behaviour, market dynamics, and the little details that turn good marketing into great.

    What Sets Us Apart

    AI-Native, Human-Centred

    We combine cutting-edge AI development with deep human-centred design. The result? Intelligent, intuitive products that people actually use. From AI-powered apps to automation, we build tech that feels simple but performs powerfully.

    Proven at Global Scale

    With millions of users reached through products like the official Glastonbury Festival app, we know what it takes to scale. Our team delivers reliable, high-performance mobile and web apps built for real-world demand.

    Built for Impact, Not Just Output

    We design and develop digital products that drive measurable real-world impact - from behaviour change to global reach. Trusted by NGOs, governments, and ambitious brands to turn complex challenges into scalable, high-performing apps.

    Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

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    Verified Client Reviews
    48
    Overall Review Rating
    4.9
    Source
    Clutch
    Last Updated
    April 22, 2026

    Business Entity

    Business Entity Name 3 SIDED CUBE DESIGN LTD
    Source Companies House
    Jurisdiction of Formation United Kingdom
    Date of Formation March 15, 2005
    Status Active
    Last Updated February 6, 2019
    ID 5393027

    Credit Report Results

    International Credit Risk Assessment Very Low Risk
    Source Creditsafe
    Last Updated January 1, 2022
    Learn More About The Clutch Verification Process

    Locations (2)

    Patch, 1st Floor, Bobby's, 2-12 Commercial Road, BournemouthEngland BH2 5LP

    31 - 40

    Contact 3 SIDED CUBE

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