Increasingly, people attending HIV services are requesting long-acting injectable (LAI) antiretroviral treatment (ART). However, without HIV RNA resistance-associated mutation results, individuals are considered unsuitable for LAI ART. We present our experience of sequencing proviral HIV DNA in 30 individuals to inform suitability for LAI ART, of whom 23 were considered suitable. In conclusion, optimization of diagnostic tools such as proviral HIV DNA sequencing to confirm suitability for LAI ART would be a welcome addition.