The increase was attributed to a rise in the balances of opinion on production prospects and order books.
Across the services sector, the business climate index climbed from 92 to 107.
For the retail sector, the climb was a more impressive 17 points to 107. The jump was driven by sentiment towards the near future, likely to be due to the reopening of the economy.
Employment conditions also improved, with the employment climate rising from 92 to 100.
Consumer confidence also improved, with the consumer confidence indicator rising from 95 to 97 in May. Economists had forecast an increase to 97.
With over 28 years of experience in the financial industry, Bob has worked with various global rating agencies and multinational banks. Currently he is covering currencies, commodities, alternative asset classes and global equities, focusing mostly on European and Asian markets.