The London-based agency is handling search engine optimisation duties for the Eurocamp brand as part of its push to drive more sales via the web.
Initial results have seen traffic coming from natural search results increase by 94%.
Eurocamp also revealed a jump of 26% in the number of online bookings since starting the partnership with Tamar.
Eurocamp head of sales and marketing Ruth Start said: “In an increasingly competitive online travel marketplace it was important for us to get the most out of our search marketing strategy to help drive online sales.
“Tamar’s proven results and wealth of experience in the travel sector was the key factor in their appointment.”