The next official survey of private investment in the cultural sector will help organisations to become more effective fundraisers, Arts Council England says.
The funder has called on not-for-profit organisations to take part in the research, which will consider the varied impact of Covid-19 on donations and sponsorship.
"Some organisations have benefited hugely from the generosity of loyal donors in their hour of need, while others have struggled to maintain levels of fundraising, let alone develop them further," Chair Nicholas Serota wrote.
The last survey in 2019 found individuals, trusts, foundations and businesses were giving £545m to cultural organisations.
Organisations have been encouraged to contribute to this year's, not only to help the arts council but also to think about their own business planning.
"There are examples from across the country that show how organisations of all sizes can build sustained and fruitful relationships with every kind of donor," Serota added.