Read our blogs, tips and tutorials
Try our exercises or test your skills
Watch our tutorial videos or shorts
Take a self-paced course
Read our recent newsletters
License our courseware
Book expert consultancy
Buy our publications
Get help in using our site
426 attributed reviews in the last 3 years
Refreshingly small course sizes
Outstandingly good courseware
Whizzy online classrooms
Wise Owl trainers only (no freelancers)
Almost no cancellations
We have genuine integrity
We invoice after training
Review 30+ years of Wise Owl
View our top 100 clients
Search our website
We also send out useful tips in a monthly email newsletter ...
Friendly and professional computer training since 1992
| How do I quickly show all formulas in an Excel worksheet? |
| How to quickly find all columns of a specific data type in SQL |
| How to Fix the Missing File Tab in the Power BI Query Editor |
"I didn't choose the course but was very pleased to hear we were going with Wise Owl again - the trainers and content are great, the method of delivery is effective and convenient and the extra resources provided on your website are also fab."
Becky Young
Newark and Sherwood District Council
"An excellent teacher and trainer. He did a wonderful job teaching us and enlightened us further on a number of topics."
Thomas Crozier
Home Office
"The trainer made the session fun and engaging."
Daniel Milne
Durham County Council
"This is/was probably one of the best courses I've been on. I was so impressed with the course content and the delivery. The trainer's ability to deliver quite extensive content while ensuring everyone understood and put it into practice, was awesome. Thanks Wise Owl for a fab training experience!"
Maxine Ward
Sellafield Ltd
"We would highly recommend this training to anyone looking to enhance their Power BI and DAX skills. The trainer was brilliant - his expertise, clear communication, and engaging teaching style made all the difference in making our course both informative and enjoyable."
Michael Abson
Durham County Council
"Trainer was excellent, his ability to easily explain processes helped massively and his knowledge of the system was clearly excellent as he was able to answer, in detail, every question thrown at him. Great course, great trainer."
Ewan Holden
Ultimate Products Global Sourcing (UPGS)
"Great course. The trainer was really helpful and able to take the course at our pace allowing space to ask questions."
Amy Garry
MLCS3 Ltd
"The trainer was excellent, responded really well to questions, was informative and knowledgeable."
Rebecca Gardner
Mitsubishi Electric UK
"Our trainer was brilliant. Really knowledgeable and personable and tailored elements of the course to queries that we had. The course content gave a great grounding in Power BI and following along using the remote desktop made the course engaging."
Celia Mayers
National Institute for Health and Care Excellence (NICE)
"Excellent as always :)"
Jon Nagl
Government Internal Audit Agency (GIAA)
"I thought the course was excellent - well structured, thorough and engaging with good use of worked examples throughout. The manual is very thorough and I appreciate the quality of the physical edition (and the lovely pen!)"
Callum Kirk
Sellafield Ltd
"Our trainer was an excellent provider. The course although quite fast paced, had excellent workbooks and manuals provided and the opportunity to ask questions meant that no one got left behind."
Julie Radcliffe
St Leger Homes of Doncaster
Kingsmoor House
Railway Street
GLOSSOP
SK13 2AA
Landmark Offices
99 Bishopsgate
LONDON
EC2M 3XD
Holiday Inn
25 Aytoun Street
MANCHESTER
M1 3AE
© Wise Owl Business Solutions Ltd 2026. All Rights Reserved.