• Post a Project

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

Select Focus Area
Application Platforms
Amazon Application Development Framework
20%
Linux server
20%
Other app platform
20%
Windows server
20%
AI Technologies & Models
Anthropic
75%
Open AI GPT-3
25%
Frameworks and CMS
.NET
10%
Other frameworks and CMS
10%
Programming & Scripting
PHP
25%
Python
25%
User Experience Focus
Industries
Education
15%
Energy & natural resources
15%
Government
15%
Medical
15%
Non-profit
15%
Retail
15%
Information technology
10%
Clients
Midmarket ($10M - $1B)
40%
Enterprise (>$1B)
30%
Small Business (<$10M)
30%

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 investments ranging from $10,000 to $500,000. Clients appreciate their responsive communication and project management, often achieving successful outcomes within budget and timeline.

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

  • High Client Satisfaction

    Overall, client feedback indicates a high level of satisfaction with the services provided by 3 SIDED CUBE. Many clients express a willingness to continue working with them on future projects, underscoring the positive impact of their work.

  • Innovative and Creative Solutions

    3 SIDED CUBE is recognized for their creativity and innovation, often coming up with unique solutions that enhance project outcomes. Their ability to think outside the box and offer fresh perspectives is a valued attribute by clients across various industries.

  • Proficiency in App Development

    3 SIDED CUBE excels in developing mobile and web applications, frequently praised for their technical skills and innovative solutions. Clients from various sectors, including healthcare, environmental services, and nonprofits, have appreciated their ability to deliver high-quality products tailored to specific needs.

  • Impressive Client Engagement

    Clients value 3 SIDED CUBE's engagement and enthusiasm for their projects, which translates into a collaborative and dynamic working relationship. The team's passion for their work and commitment to client success are frequently mentioned as standout qualities.

  • Challenges with Flexibility

    While generally praised for their project management, some clients noted challenges with flexibility in adjusting plans mid-project due to the structured nature of their processes. This suggests potential room for improvement in accommodating changes.

  • Commitment to Quality and Detail

    Clients highlight the high standards of quality and attention to detail that 3 SIDED CUBE brings to their work. They are appreciated for their dedication to delivering polished and user-friendly products that meet or exceed expectations.

3 SIDED CUBE Reviews

Submit a Review
All Filters

0 selected

Sort by
Services
Project Cost
Industry
Location

Mobile/Web App Dev & Project Mgmt for Storytelling Resource

  • Mobile App Development Web Development
  • Flutter
  • 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
  • Beta Testing
    +4
  • $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.

Event App Dev & Testing for Sponsorship Marketing Co

  • Application Testing Other Application Development UX/UI Design
  • $200,000 to $999,999
  • Oct. 2023 - Sep. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They are an extremely talented team of people who clearly love what they do and are great to work with."

Sep 24, 2025
Director, Sponsorship Marketing Co
Anonymous
Verified
  • Advertising & marketing
  • London, England
  • 51-200 Employees
  • Online Review
  • Verified

3 SIDED CUBE developed an event app for a sponsorship marketing company. The team designed the app, developed its features, tested it, and provided support during the event.

Platform Development & UX/UI Design for Nonprofit Org

  • Custom Software Development UX/UI Design
  • User Research
    +1
  • 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 1-11 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.

Learn More
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

If you’re not seeing exactly what you need here, send this company a custom message. You can talk about your project needs, price, and timeline to get started on your project.

Connect with 3 SIDED CUBE on Social

Get connected to see updates from 3 SIDED CUBE like new case studies, latest reviews, their latest masterpieces in their portfolio, delivered straight to you.

3 SIDED CUBE

(1)
3 SIDED CUBE Logotype

Matt Lawrence

Gadre Infotech Pvt. Ltd.

(1)
Gadre Infotech Pvt. Ltd. Logotype

Shalaka Teli

Now Press Play

(1)
Now Press Play Logotype

Tilly Brooke

Additional Connections

(3)