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Enhancing your data team with ours
Our consultants come armed with both technical and soft skills to support you to make the most of your data.
The Data School has been paramount to our success at JLL. It has allowed us to bring in highly skilled Tableau and Alteryx consultants. It saves considerable time trying to recruit contractors as I know their skills and training are to the highest standard. Over the past 5 years my team has developed analytical insights which have generated multi million dollar savings of which a considerable amount can be attributed to the Data School consultants we have had working on projects.
Paul Chapman, Global Director of Performance Management, BI and Innovation at JLL
Emerging Partner of the Year
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EMEA
Tableau
Community Impact 2024
EMEA ESMB
DataIQ
Data for Good Champion
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Best Data Academy or Skills Development
Finalist
Alteryx
Partner of the Year
Europe
DataIQ
Data for Good Champion
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What our consultants are working on
We believe that sharing knowledge and expertise is key to driving innovation and growth in the data community. That's why we're excited to share our latest insights, tutorials, and industry trends with you through this blog.
Written by our team of experienced data consultants, these posts aim to solidify their own learning while giving back to the community.
Tue 22 Sep 2026 | Michael Lamprell
The First Fortnight
Wow, two weeks in already! The time has already flown when I look back, although every single day has been a real challenge for me to be honest. I am not a native to coding and data admittedly, so my learning curve was always going to be steeper perhaps than most
Thu 17 Sep 2026 | Melissa Osorio
Moving Average Using Simple DAX Calculations with Variables.
Before going into the calculation itself, it is worth briefly covering variables. VAR allows a value to be calculated once and then referenced multiple times within the same measure, improving both performance and readability
Mon 21 Sep 2026 | Mila Kholodiy
What I Learned Shadowing a Colleague in Wealth Management (Marketing Team)
On the bench and upskilling: what shadowing a wealth management marketing colleague taught me.
Mon 21 Sep 2026 | Mila Kholodiy
Teaching Tableau to 150 Imperial College Students
Delivering a live online Tableau session to 150 Imperial College students — and what it taught me.
Mon 24 Aug 2026 | Maria Andreetti
What I Wish I'd Known About Portfolios Before Becoming a Consultant
I've been a consultant (in training) for about two months now, which means my experience is still pretty thin on paper. But, I think a portfolio matters even more when you're new to a role. When you don't have a long track record, your projects are the only thing that can speak for you
Sun 20 Sep 2026 | Ismail Abdillahi
Live or extract: decide before you build
Every time you connect Tableau Desktop to data, two radio buttons sit in the top right of the Data Source page: Live and Extract. The default is Live, and it is easy to never touch it
Fri 18 Sep 2026 | Bianca Beingolea-Joseph
How to Save & Reuse Your Own Alteryx Expressions
If you use Alteryx regularly, odds are that you have a collection of formulas that you keep top-of-mind: multi-line IF/THEN blocks, complex REGEX expressions, specific date parsing calculations, etc
Tue 15 Sep 2026 | Holly Phillips
Date Parts vs Date Values
In Tableau, dates can be categorised as discrete or continuous. The difference comes down to whether time is treated as a set of separate categorical buckets or as an unbroken, chronological axis
Thu 17 Sep 2026 | Helena Reichenvater
SQL's Order of Execution VS Order of Writing
Swapping from data visualization tools to SQL as a tool for analysis can make it confusing to understand how you’re calculating your analyses due to the differences between the order of writing the clauses in your query and the order of their execution
Mon 14 Sep 2026 | Jalil Cooper
The Power of User Stories: A Business Dashboard Walkthrough
How do you make a dashboard for a business analyst? As a data analytics consultant, we often work with clients that are in a specific sector of the business, from marketing to supply chain to executives
Wed 16 Sep 2026 | Nika-Kare Pierre-White
Web Scraping in Alteryx
What is web scraping?
Extracting large amounts of data from websites using software instead of copying manually
Mon 07 Sep 2026 | Alexander Mackay-Smith
Got the Time? - Continuous and Discrete Dates in Tableau Desktop
Dates are one of the most common fields in Tableau and will appear in the majority of projects you take on in your Tableau journey.
Though using dates on a dashboard may sound simple enough, there are some things that need to be considered
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