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Dango Training Services Ltd provide flexible, on-site training with a high standard of instruction and excellent success rate; which is why we have continued to use them as our primary Dangerous Goods Training provider.

Dave Christison, HSEO, Vericore Limited

Cresent has worked with Ali on the development of a unique class-leading Dangerous Goods by Air Awareness e-Learning course. Throughout Ali was very professional and knowledgeable in this subject area and we look forward to working together promoting and delivering this course to existing and new clients.

Euan Macalister, Business Development Director, Cresent

The staff of Hilton Instruments would like to thank Dango Training Services for providing first class training on all aspects of Dangerous Goods over the past 12 years.

Ross Mckenzie, Hilton Instruments

I have used Alisdair over a number of years now , he always provides a good service and he has a very detailed knowledge of any Hazmat shipments by road and Air. He has also helped me out with other issues, supplying me with advice and information free of charge when asked.”

Mike Box, HSE, GE Aircraft

I found Alisdair to be an enthusiastic, very knowledgeable dangerous goods trainer, covering all aspects of the subject. I thoroughly recommend his job specific training - I was never disappointed.

Richard Elbourne, Retired Experienced Hazmat Trainer

Over the last eight years I have known Alisdair, he has always been most respectful, with a high standard of personal and moral attitude. 

As the CEO of Dango Training Services his work ethics, timekeeping and attitude towards his work and his work colleagues has been unblemished. 

Alisdair is a very mature, sensible and professional team member who copes well under pressure, prioritising and organizing his workload. Ally adapts very well to last minute changes, which often happens in his line of work. 

I have found Ally to be totally trustworthy with the highest integrity, and he has always shown to be well motivated throughout his career.

John Morgan , Major Emergency Management Manager at Qatar International Safety Centre‬

It is a really good experience to work with DANGO, the professionalism, quality, accuracy, customer relations and support, all these elements can be summarized with two words (top professional)

Abdulrazak, AL KHEBRA

I have worked with Ally in the past as an endorsed IATA Accredited Training School for Dangerous Goods. Ally is extremely knowledgeable and highly competent as an instructional facilitator in the field of dangerous goods. He is a very personable and is a person of high integrity who provides a fantastic learning envirnoment for students to achieve their full potential. On a personal note, I would fully endorse Alisadir as a premium training service provider.

John Webster, Senior Manager, Global Training at Airports Council International - ACI World

For some years now QISC have enjoyed a thoroughly professional and worthwhile relationship with Alisdair Crossan of Dango Training Services Limited.  His first rate approach to high quality training fits perfectly within our own company vision ‘to become the contractor of choice.’ 

The range and scope of training offered by Dango meets requirements which are otherwise impossible to obtain in our region and the company’s progressive way of thinking continues to aid in opening doors into new areas of business for QISC.  I look forward to continuing our successful association for many years to come.

Matthew Roberts, Head of Fire & Rescue Department , Qatar International Safety Centre

I recently attended your Dangerous Goods by Air & Sea course in Aberdeen. I have been on a number of training courses and this rates as one of the best - in terms of presentation, content, and facilities. I also think that the Trainer (Alisdair) has an excellent knowledge of Dangerous Goods and this was very well put across to us students.

The course was very informative and made the learning process easier to understand. I would highly recommend your company to any interested parties.

Chris McLeod, Drilling Materials Controller (Falkland Islands)

QATARGAS has been regularly using DANGO TRAINING SERVICES to provide training and expertise on IATA as well as IMDG to their staff. Exceptional service levels are portrayed and thus boosted the confidence level of our staff. We would recommend the service of DANGO TRAINING SERVICES to all companies involved in the storage, distribution and transport of dangerous goods.

Marine Logistics Officer, Qatargas Operating Company Limited

Alisdair is very good at what he does , one because he has been in the field and had hands on first hand experience.

His company was one of the first companies I approved as an outside vendor because of his materials and especially attention to details. He is very easy to get along with and will show students exactly where in the regulations to find certain subjects and continue to work with those attendees until he knows they understand.

I have always enjoyed working with Alisdair, there were only various Training Schools that I would endorse for external use and his was one of the first.

I would recommend his work to anyone. He is very detailed oriented and understands how important these subjects are. He is one of the only schools that I know of that will travel just about anywhere and under any circumstances to make sure a companies employees are in complete compliance with the regulations.

It has always been a pleasure meeting and working with Alisdair.

Craig Million, Dangerous Goods Training and Transportation Compliance Education

“Straight forward, no nonsense, down to earth instruction from someone that knows what he is talking about”

 “Training that is delivered by knowledgeable people, with experience of doing dangerous goods, rather than just teaching it”

 “Excellent, friendly delivery of a complicated subject in a way that makes it seem so easy”

 “I have been a customer of Dango Training Services for 12 years and have always found them to be flexible, knowledgeable and mindful of costs – that should keep the Operations, Compliance and Financial Officers happy!  The training has always been delivered to a high standard, with nothing added to make the subject any more complicated than it is perceived to be.  The instructor knew what he was talking about:  he used real life examples from his own experience which brings the subject alive.  Dangerous Goods training is an integral part of the modern aviation safety mechanism and Dango provides a service which meets the regulatory standards as well giving confidence to those on the front line”

 “CAA and IATA approved – totally reliable, flexible and committed to providing the best possible standard of training”

Ian Gregory, Security Manager - Glasgow Prestwick Airport

Alisdair Crossan's teaching of Dangerous Goods was thorough and clear and he made a heavy subject enjoyable! His teaching style enabled me to understand the importance of the Dangerous Goods acceptance process, and he is able to make it fun, throughout! I would recommend Ally and his company, DANGO, to any person needing to have a clear and defined understanding of Dangerous Goods.

Jules Lark, International Aviation Security Manager & ICAO ASTC Director Redline Aviation Security Ltd

Alisdair was contracted to our company to provide Dangerous goods training, I attended his course both two years ago and again this year and I found Ali to be a very good trainer, able to enpart his knowledge in a easy going manner which made the subject enjoyable and interesting. I would recommend Ali and Dango Training Services to anyone requiring DG training

Aidan Mulhall, Aviation Security Manager, Dardan Security

Alisdair has provided training for our company on two occasions. I found the training provided to be informative and presented in a manner which was easy to understand. Alisdair is a personable training instructor with a detailed and in-depth knowledge of his subject matter

Carole Ballinger, Training Manager

A master of his craft'. I worked with Ali when he expertly provided Dangerous Goods training for Qatar International Safety Centre. I was always in awe of Ali's ability to command a room and get people on board, when in all honestly DG's are a subject most people would not choose to study. Making the learning fun and enjoyable, whilst maintaining the seriousness of the subject was an art in itself, something Ali excelled at. As a training provider Ali and Dango Training Services receive my highest recommendation.

Gareth Kirby, Senior Fire and Rescue Instructor at Not Yet Public

It was a pleasure to know you.

You are a great professional.


I had the pleasure of working along side Alisdair & the pleasure of being one of his students. Through both elements I found Alisdair to be very approachable and helpful. As a colleague to work along side Alisdair would excel in all tasks he was asked to perform & always more than helpful to assist staff with personal development. I would recommend Alisdair to any future clients due to his extensive skills and approach to his work.

Matthew McDonough , Emergency Services Instructor/ HSSE Advisor at Qatar International Safety Centre