Abstract: To explore the accessibility of mental health and gambling related support within the United Kingdom (UK) Armed Forces and investigate potential barriers to engagement. We conducted a survey of Armed Forces service personnel (n = 438) and specialist healthcare and welfare staff (n = 94) regarding gambling harm and related challenges. Personnel rarely sought on-base support and recognition of existing service provision was low. Among those who did seek help, healthcare and welfare staff were equally effective in engaging with personnel, with greater professional experience playing a key role in fostering meaningful interactions.Improving access to specialist gambling harm support may enhance help-seeking.