In 2014, the Horizon 2020 Programme started with a budget of €80 billion to invest in innovative projects. The aim is to invest in our future, sustainable, and inclusive growth and jobs. To achieve this, Horizon 2020 connects research and innovation with its emphasis on industrial leadership, excellent science, and tackling societal challenges. The guide below will be focused on creating winning proposals for the Excellent Science pillar which will cover tips & tricks on how to write winning proposals for ERC, MSCA (Marie Curies), Research Infrastructure, FET Flagship calls.