Quality at Scale
Assess subjective work fairly
and fast at any scale
Human powered Machine Learning
From 30 students to 30,000 candidates
Ministry's and School Groups
National Standards for Complex Learning
Build shared standards for subjective tasks and skills across school groups and education systems.
Explore Education >Awarding organisations
Defensible Standards for High-Stakes Assessment
Turn examiner judgement on complex work into reliable rank orders for boundary setting, moderation, quality assurance and training.
Explore Awarding >High-Volume Recruitment
Stop Screening, Start Ranking
CVs are broken by AI. Use ACJ to rank thousands of candidates based on authentic work samples.
Explore Hiring >Higher Education
Admissions and Peer Learning
A validated way to assess applicant potential at scale, and a tool to empower student peer review.
Explore Higher Ed >Training and Compliance
Validate Internal Assessment
Standardise judgement across sites. Evidence your decisions against audit and external scrutiny.
Explore Training >The RM Compare ecosystem
One platform, three connected modules
RM Compare works as a three-part assessment ecosystem that can be used separately or together. Build trusted standards in Studio, share and govern them in Hub, and use them on demand in Live.
Create and refine standards
Run full comparative judgement sessions, establish high-quality rank orders, and turn expert decisions into robust standards you can reuse over time.
Explore RM Compare | STUDIO >Share, govern and connect
Manage licence centres, control who can access which standards, and support organisation-wide rollout with stronger governance and control.
Explore RM Compare | HUB >Use standards on demand
Put standards to work wherever judgement happens, including mobile-first and on-demand experiences enhanced by the Companion App and RM Compare | NOW.
Explore RM Compare | LIVE >Now in ALPHA
RM Compare | NOW
A lightweight RM Compare experience for quick judgements. Capture or upload an item, compare it to a ready-made standard, and review your score in just a few steps.
- Quick results: Go from item to score in just a few comparisons.
- Built-in standards: Use a pre-built reference scale, so you can focus on judging rather than setup.
Modern Infrastructure
Built for the agile Enterprise
Zero-Friction Scaling
Launch a new assessment cycle in minutes. Our multi-tenant architecture handles demand spikes instantly.
Config over Customisation
Toggle features, adjust workflows, and manage permissions via our admin console. You own your roadmap.
Secure and Compliant
Enterprise-grade security, ISO 27001 certified and GDPR compliant. Millions of judgements processed annually.
The Science of Comparative Judgement
Why Better/Worse beats 7 out of 10
Humans are notoriously bad at absolute judgement. We are highly accurate at Relative Judgement.
1
Capture and Upload
Use the new Companion App to capture physical work instantly, or upload any file type (portfolios, essays, video).
2
Compare Pairs
Judges see two items side-by-side and simply decide which is better.
3
Get Validated Data
Our algorithm generates a highly reliable rank order (0.9+ reliability) and actionable data.
Trusted by world-leading organizations
See the Platform in Action
Assessment in the Age of AI
RM Compare 1 minute explainer
Brilliantly simple. Awesome power.
Turning ranks into rulers
Holistic assessment anytime, anywhere, anyhow
RM Compare is developing fast
Stay up to date with the very latest information
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From Marking Errors to Life Earnings: How Comparative Judgement Can Reduce the Risk
If a single grade can change a student’s lifetime earnings, then we can’t afford a grading system that behaves like a lottery. Recent analysis shows that moving just one grade band at A‑level can translate into thousands of pounds more – or less – in annual income over a career.
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Lessons from a long life - Edgar Morin (1922 - 2026)
Edgar Morin died in Paris on 29 May 2026 at the age of 104, bringing to a close one of the most wide-ranging intellectual lives of the last century. Across that long life he returned, again and again, to one central idea: reality is not made of isolated parts that can be fully understood by breaking them down, but of interwoven systems in which order, disorder, uncertainty, part and whole are inseparable.
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Setting and Maintaining Verifiable Standards in Complex Curriculums and Aligning Teacher Assessment at Scale
As educational ministries and professional bodies globally modernise their frameworks, learning objectives have fundamentally shifted. Traditional education models assessed knowledge recall through closed, easily quantifiable test formats.