Optima Technology Group (ASX:OPA) has secured up to $3.22M from investors through a convertible note issue in two tranches.

The notes will have a face value of $1 and are convertible at any time, with a cap of $0.018 per share, and will be used for working capital purposes.

Optima Technology Group said it also plans to offer retail shareholders an opportunity to participate in an equity raising via a Share Purchase Plan or Entitlement Offer in the future.

The company's purpose is to power a faster transition to net zero for every business and aims to set a new benchmark for net zero data accuracy.