Corporate data & AI skills training

Turn raw data into business intelligence

Most professionals spend hours on tedious, manual spreadsheet tasks when modern tools could do the heavy lifting in seconds. We teach your team the practical data skills that drive productivity, clarity and faster decision-making - no programming, no SQL.

398,000+ learners trained worldwide
4.6 / 5 average course rating
20+ years corporate training & consulting experience

From manual spreadsheets to meaningful insight

At Data Insight & Training, we help organisations and professionals bridge the gap between raw data and meaningful business intelligence. Our training focuses on practical, real-world methodology: we show business users how to move beyond basic spreadsheets, automate manual tasks and build powerful visual dashboards - without needing to learn complex programming languages.

What we teach

We specialise in the essential tools driving modern business analytics.

Excel Pivot Tables & Power Pivot

Master data summarisation, complex relationships and advanced data modelling - without cluttering your sheets or writing a single formula.

  • Summarise thousands of rows into clear reports in seconds.
  • Build data models with relationships instead of VLOOKUPs.
  • Create calculated measures with DAX and time intelligence.

Power Query

Automate data extraction, cleaning and transformation so your team never manually cleans a CSV or report again.

  • Connect to CSV, Excel, databases, XML, JSON and more.
  • Clean, merge, append, unpivot and group data automatically.
  • Build refreshable pipelines your team sets up once.

Excel Copilot & AI Integration

Leverage cutting-edge AI to write formulas, generate insights and speed up daily workflows across your organisation.

  • Analyse business data with plain-English prompts.
  • Let AI clean data, write formulas and explain results.
  • Combine AI with core Excel skills for full control.

Microsoft Power BI

Build dynamic, interactive dashboards and visual intelligence reports that executive teams love.

  • Design interactive dashboards with drill-down and filters.
  • Combine data from multiple sources into one report.
  • Share live, refreshable reports across the business.

Two ways to train with us

Whether you want a hands-on workshop for a whole team or flexible self-paced learning, we equip your staff with the exact workflows they need.

Udemy online courses

Self-paced, structured learning modules trusted by hundreds of thousands of students worldwide for flexible professional development.

  • Step-by-step courses in Pivot Tables, Power Query, Power Pivot and Copilot.
  • Learn anytime, at your own pace, with lifetime access.
  • 4.6 / 5 average rating across all courses.
Browse courses on Udemy

Founded by industry expert Ian Littlejohn

Data Insight & Training was founded by Ian Littlejohn, a trainer and consultant with more than twenty years of experience helping business professionals work effectively with data. His Udemy courses have reached over 398,000 learners worldwide, and his corporate workshops bring that same clear, practical, step-by-step methodology directly to organisations.

The approach is simple: plain-English teaching, real business examples and no assumption that anyone in the room is a programmer.

Connect with Ian on LinkedIn

Ian Littlejohn, founder of Data Insight & Training

Trusted by professionals worldwide

★★★★★
“This is a great, quick course to give you the basics of how to use Excel Copilot with data. I appreciated the easy examples and it really helped me realize that stepping through is a big asset.”
Shelly Excel Copilot course
★★★★★
“I liked the course because the basic features of pivot tables were explained thoroughly, and the concepts introduced earlier were reinforced through later exercises. I also appreciated the pace and the way the topics were divided into short chapters.”
Zdenka Pivot Tables course
★★★★★
“Fantastic course - really helpful starter course for learning Power Query.”
Harriet Power Query course

Ready to build your team's data skills?

Tell us about your team, your data and what you want to achieve. We will come back to you with a recommended approach and a no-obligation quote.

Make an enquiry