GWC led the convertible loan note to support the company expansion in the US market.
"With COVID-19 pressures accelerating data analysis and innovation adoption across the water sector, this round allows Syrinix to extend its market leading position in helping utilities reduce leaks and bursts and extend pipeline lifetimes."
The interim funding was provided by Wealth Club and the Development Bank of Wales to scale up staff.
"Bond is a great example of the many Welsh technology businesses that are supporting the fight against Covid-19. Our investment is testament to our belief in their ability to scale up and make a real difference at this difficult time and to their longer-term growth in the global diagnostics market. We wish them every success."