Seijsener Promoties werkt onder andere voor:

Bacardi Nederland

JT International

Moët Hennessy Nederland B.V.

William Grant & Sons Distillers Ltd.

Gerzon Schiphol B.V.

Ritmeester Cigars

Schiphol Airport Retail B.V.

Patron Spirits Int.

Pernod Ricard Nederland B.V.

Godiva Belgium

Champagnes P.&C. Heidsieck

Paul Global Bonded

Rémy Cointreau Int.

Morrison Bowmore

Maxxium Travel Retail Ltd.

Laterr® eten drinken feesten

Diageo Scotland Ltd.

Baarsma Wine Group

Belgium Skyshops

Ruizendaal installateurs

Imperial Tobacco Int. Ltd.

Italian Finest Company

British American Tobacco Int. Ltd.

Reni Catering

Lucas Bols B.V.

Pege electronics

Heineken Int.

The house of decoration