“营业登记”常见的英文表达是 “business registration” 。
例句：
All enterprises must complete business registration before starting operations.（所有企业在开始运营前都必须完成营业登记。）
We need to go through the business registration procedures at the local administration for industry and commerce.（我们需要在当地工商行政管理部门办理营业登记手续。 ）