The Global Barometer for Space Tech Venture Market Transactions for the rolling 12 month period published on a quarterly basis.
According to the Seraphim Space Index, a publication of global venture capital investment in the space technology sector, nine companies in the UK received $32m worth of funding from venture capitalists during the year to end September 2017. In the following year to end September 2018, that figure had increased to $185m invested into 20 companies.
https://www.ft.com/content/1598ddc8-01dd-11e9-99df-6183d3002ee1