Over the years OTSA has built up a strong list of clients, who organise market leading shows in a number of industry sectors and countries. We take pride in the length of time that we have represented some of these organisations:

Farnborough International


Farnborough International Limited has create the Farnborough International Airshow in 1948. The airshow is an important event in the international aerospace and defence industry calendar, providing an opportunity to demonstrate civilian and military aircraft to potential customers and investors. The show is also used for the announcement of new developments and orders, and to attract media coverage. It is one of the largest air shows, after France’s Salon du Bourget.

Montgomery Group

(UK, Asia)

Montgomery is the largest privately owned events business in the UK. We are proud of what we do and work hard to stage innovative, stand-out events for the UK and international foodservice, hospitality & retail industries. When it comes to food and hospitality; NOBODY DOES IT BETTER.



IFEMA is the Trade Fair Institution of Madrid. Its 30-year experience of staging trade fairs has made it the most important of its kind in Spain and one of the leaders in Europe. Its activities centre on the staging of commercial events representative of the different industries and the managing of its space and infrastructure for every type of activity: from trade fairs organised by third parties to conventions, congresses and any type of meeting or event. Its principal aims are to generate wealth and development for the Madrid Region and project the image of Madrid within and beyond our borders.


(Europe, Asia, Middle-East)

Informa is a leading business intelligence, academic publishing, knowledge and events group. We help customers in hundreds of professional, commercial and academic communities connect and learn, and create and provide access to content and intelligence so they can work smarter and make better decisions faster.



ITE Group is one of the world’s leading organisers of international trade exhibitions and conferences and specialise in organising events that help to connect your business to the world. The Group organises over 240 exhibitions and conferences each year worldwide with many market leading events and well known brands in key industry sectors. The product range includes everything from niche specialist conferences through to globally significant trade fairs with mass appeal and influence.

Messe Essen


With 50 trade fairs and exhibitions, including ten leading trade fairs, the Essen exhibition centre is among the top ten exhibition locations in Germany. An appealing mix of international, national and regional professional and consumer trade fairs attracts around 1.4 million visitors annually.

Nuremberg Messe

(Europe, China, Russia, Mexico, Brazil, USA, India)

NürnbergMesse is one of the 15 largest exhibition companies in the world. The portfolio covers some 120 national and international exhibitions and congresses and approx. 40 sponsored pavilions at the Nürnberg location and worldwide. Every year, around 30,000 exhibitors (international share: 41 %) and up to 1.4 million visitors (international share of trade visitors: 24 %) participate in the own, partner and guest events of the NürnbergMesse Group, which is present with subsidiaries in China, North America, Brazil, Italy and now also India.The group also has a network of about 50 representatives operating in approx. 100 countries.

Reed Expositions

Experts in the organisation of trade and consumer events, Reed runs 40 leading events in 18 industry sectors. Experts in the organisation of trade and consumer events, they run 40 leading events in 18 industry sectors.


Avisa Partners offers a continuum of services and expertise to help managers make decisions, secure their operations and deal with all forms of hostility. CEIS is a strategy and risk management consulting firm. Avisa Partners and CEIS have merged, both major players in economic intelligence and cybersecurity in France. This new entity is present in Paris, Brussels, London, Berlin and Washington. Avisa Partners and CEIS also co-organise a number of high value-added events, such as the International Cybersecurity Forum.



Brintex is the exhibition division of the Hemming Group, a family run business with over 100 years publishing experience.

Brintex organizes the London Wine Fair in London.