London data analytics consultancy

Clear answers
from your data

We turn messy data into reports, models and decisions your team can trust.

Our services
  • Data you can trust
  • Insight, not noise
  • Expert analysts
  • Based in Cuffley

We turn quality data into decisions, and have since 2014.

  • Rowan & Pike
  • elmfield
    clinics
  • ALDER
  • HARTLEYUNION
  • reedbank
Two analysts working on laptops in a bright London loft

Our mission

To make good data ordinary: reliable, well explained and in the hands of the people who decide. We work alongside your team until the numbers are trusted.


Our vision

A UK where every organisation, large or small, can see what is really happening in its data and act on it with confidence. Our insights are written in plain English.

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Messy data in. A clear answer out.

  1. GatherWe pull records from your tools into one place.
  2. CleanDuplicates, gaps and clashing definitions get sorted.
  3. DecideYou see the pattern and the median, and know what to do next.

A retailer with 140 branches and eleven spreadsheets. We rebuilt its sales data model and cut weekly reporting from three days to ten minutes.

Read the case study for Rowan & Pike

What we do

It’s our mission to help clients decide

We take care over every number. We hold ourselves to high standards so each project stands up to scrutiny and delivers clear results for your team.

  • Analysts who explain, not just report
  • Privacy and UK GDPR built in from day one
“Median & Moss turned three years of messy spreadsheets into one dashboard our board actually reads. Our reporting now takes minutes, not days.”
Amelia OkaforHead of Insight, Rowan & Pike

Latest insights

All insights
Hire us for your next data project · Est. 2014 · Hire us for your next

Any dataset? Any question? Any deadline?
Our analysts will help you out.