Product design · Research · Consulting
Cumulative makes products and services easier to use through product design, research and consulting.
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Adnan Khan
Product leader & human-centred designer
Connect on LinkedInOur products
Explore Human Standards for guidance on how people think, act and use technology. Turn to Sightspool to frame research questions and learn directly from your product’s users.
Human Standards
Design with a better understanding of people.
Open-source human-factors library
Human factors · Accessibility · AI
Open-source projectA Cumulative project
An open-source reference library that translates human factors and accessibility research into practical standards, implementation guidance and read-only context for AI agents.
Useful when: You want human-factors and accessibility guidance while reviewing or implementing a design.
User research · UX · AI
Research platformA Cumulative product
An embedded researcher that helps teams frame useful questions, invite relevant users into conversations and turn what they learn into a clear next move for their product.
Useful when: You want help framing research questions and learning from conversations with your product’s users.
Start with the work in front of you
Five practical starting points. Each includes a short guide, a practice note and a template to use with your team.
User research
Turn a broad topic into a question you can investigate, with a one-page research plan.
How-to guide · Downloadable template
Usability
Prepare a task-based usability session and capture what happened without jumping straight to solutions.
How-to guide · Downloadable template
Accessibility
Check a few common barriers and create a useful issue log for follow-up.
How-to guide · Downloadable template
Service design
Use a simple worksheet to connect a person’s steps with the handovers that support them.
How-to guide · Downloadable template
Product design
Choose what a prototype needs to help you learn before spending time polishing it.
How-to guide · Downloadable template
Products and consulting
Since 2019, Cumulative has been making products and services easier to use. We build products and provide consulting, bringing research, design and practical tools together to help organisations make clearer decisions and create better experiences.
Get in touch about a resource, an idea or working together.
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