Tactical account management means that account managers set goals for their accounts, devise ways to achieve them and translate this into action plans. This transcends the operational level at which you mainly react to what is happening.
If you really want your team to take the lead on their accounts, you will have to organize this. As a manager, you will need to introduce the HOW in your organization. And to help you do so, we will provide you with best practices.
Your clients are your only source of income. It is time to get grip on what is happing at your accounts and on the results.