Both experts and scholars have assured that Corporate Social Responsibility is one of competitive advantage components for MNEs. The increasing focus on sustainability comes from rising stakeholders' pressures for more organizational accountability and transparency across a range of corporate behavioural issue. Recently one of the main interesting areas for banks is solving social problems and concerning community welfare plans. Hence banks become one of the most active sector regarding investment on CSR practices.

Many companies are able to publish their sustainability issues online, but they do not because they are afraid to be attacked and criticized by NGOs, which mean that they do not have enough experience in communicating their CSR activities online.

Many recent researches regarding communicating sustainability online have lack of their findings' generalizability across different industry and countries therefore, it is recommended to conduct future researches that have this generalizability for specific industry and area or region, therefore authors have chosen Nordic Banks as a specific industry and region for their thesis.

Research question: How do banks in Nordic countries communicate their CSR and three aspects of sustainability through online?

Purpose: This thesis aims to understand the way in which Nordic banks convey their CSR's messages online. Beside the authors seek to identify similarities and differences of communicating the messages between Nordic banks regarding sustainability dimensions.

Design/Methodology/Approach: This thesis is qualitative and has followed deductive approach. Meanwhile, multiple case is the study design. Six Nordic bank which are: Nordea, Swedbank, SEB, Handelsbanken, Danske bank and DNB are in the sample of this thesis. The data have collected through online observation of each banks' corporate websites regarding communicating sustainability dimensions terms.

Findings: The CSR and Sustainability online message that is communicated by Nordic bank is reach, the banks have some similarity and differences in conveying their CSR and sustainability online message.