SRG Global (ASX:SRG) is expected to have a sustained five-year earnings growth, with its track record, macro demand support, quality of earnings, and selective acquisitions, Euroz Hartleys said in a Monday note.

The company implemented a plan to increase earnings and improve quality by focusing on increasing recurring revenue streams and making specific acquisitions, resulting in the current share price of about AU$2 and earnings per share of AU$0.103, up from AU$0.50 and AU$0.033, respectively, in the fiscal year 2021.

While past results don't guarantee future success, the company's previous performance gives a sense of confidence due to its delivery of services within the infrastructure sector, the financial advisory firm said.

Euroz Hartleys has maintained its buy recommendation on SRG Global and lifted its target price to AU$2.55 per share from AU$2.23 per share.

The company's shares fell nearly 2% in afternoon trade on Monday.