There is no single best EMM for every organisation. The right choice depends on existing infrastructure, budget, platform mix, and the deployment scenarios required. Here are the key considerations:
Google validates EMM solutions through the Android Enterprise Recommended programme. AER-validated EMMs have demonstrated support for a standard set of Android Enterprise features. Starting with an AER-validated EMM is sensible, though it is not a guarantee of quality or completeness - see What is Android Enterprise Recommended?.