Providing websites for initiating, concluding and processing of third party contracts relating to the rental of goods of all kinds, with such services also accessible via mobile applications; Providing space on websites for marketing and advertising the rental of goods of all kinds, with such services also accessible via mobile applications; Providing websites for initiating, concluding and processing of third party contracts relating to the provision of contracting services of all kinds, with such services also accessible via mobile applications; Providing websites for marketing and advertising of services and contracting works of all kinds, with such services also accessible via mobile applications; Arranging contacts between tenants and landlords via the Internet for the initiation and concluding of contracts relating to the rental of goods of all kinds; Arranging contacts between sellers and buyers via the Internet for the initiation and concluding of contracts relating to services and contracting works of all kinds; Advertising on the Internet, for others, relating to the rental of goods; Advertising on the Internet, for others, relating to the advertising of services and contracting works of all kinds; Providing and rental of advertising space on websites and within mobile applications; Design, development and creation of advertising concepts for the rental of goods in all media, in particular digital media; Establishing a presence on digital networks, for others, namely, advertising and marketing, for others, on digital media