它指的是B Lab开发的B Impact Assessment工具。
BIA可以从多个维度评估企业的互利影响，从而判断企业能否成为B型企业。 当一家公司的 BIA 分数为 80 分时，该公司可以申请 B 作物认证，并带有“Business for Good”标志。
BIA从以下五个维度对企业进行评估
统辖：
standards related to mission, stakeholder engagement, governance structure and controls, and transparency.
与使命、利益相关者参与、治理结构和控制以及透明度相关的标准。
员工：
the standards in this section look at how a company treats its employees, including the compensation practices, benefits, training, worker ownership and work environment.
该标准的这一部分着眼于公司如何对待员工，包括薪酬制度、福利、培训、员工所有权和工作环境。
社区：
this section covers the company’s impact on external community stakeholders, including suppliers, distributors, and the local economy and community, as well as the company’s practices regarding diversity, job creation, civic engagement, and charitable giving.
本节介绍了公司对外部社区利益相关者（包括商家、分销商、当地经济和社区）的影响，以及公司在多样性、创造就业机会、公民参与和慈善捐赠方面的实践。
环境：
standards related to your company’s direct and indirect environmental impacts.
与贵公司直接或间接环境影响相关的标准。
客户：
standards related to the impact that your business model has on your customers and whether you serve underserved populations.
标准与企业商业模式对客户的影响以及您是否为服务不足的人群提供服务有关。 共益企业认证