firm是任何的一个企业，可以是独资、合资或是股份有限公司。firm和company相比之下概念更广泛，一般来说，对一般企业的总称用firms多余companies。
company是商界的任何一个从事商业的企业，是一个具体名词“公司、企业”等。可以是独资、合资或是股份有限公司。
用得最广，常指生产或出售产品的商行（公司）、经营服务性项目的公司或从事公益事业的公司，如交通运输、飞机制造、信托、保险、电话、电信、自来水、煤气、电力等公司，常略做co。
一般用北京情侣酒店company是针对的是某一个特定的公司。例如说“我们公司”这句话英文就该说“Our company”而不说“Our firm”彭冠英的妻子是谁，更不说化学工程与工艺就业前景“Our enterprise”。
1. a number of individuals assembled or associated together; group of people.
2. a guest or guests: We're having company for dinner.
3. an assemblage of persons for social purposes.
母亲节感恩作文
4. companionship; fellowship; association: I always enjoy her company.
5. one's usual companions: I don't like the company he keeps.
6. society collectively.
7. a number of persons united or incorporated for joint action, esp. for business: a publishing company; a dance company.
enterprise企业(或事业)单位，英文解释an organization, especially a business, or a difficult and important plan, especially one that will earn money:
例句：Don't forget this is a commercial enterprise - we're here to make money.
指的是一种不易完成的，或需要勇气、耐力等完成的一种事业是商业企业，多指工商企事业单位、金融公司之类。黄奕前夫姜凯
一般来说enterprise这个单词很少用来称呼企业，虽然有商业企业的意思，enterprise多用与描写公司的经济活动。在指导企业这个概念时，多指抽象的“事业企业心”，也或指一个
方面，如private enterprise“民营企业”。
Also can be formed as an adjective: He is an enterprising young man. (He is a serious businessman). It focuses on the character of energy and risk-taking.
1. a project undertaken or to be undertaken, esp. one that is important or difficult or that requires boldness or energy: To keep the peace is a difficult enterprise.
2. a plan for such a project.
3. participation or engagement in such projects: Our country was formed by the enterprise of resolute men and women.
4. boldness or readiness in undertaking; adventurous spirit; ingenuity.
5. a company organized for commercial purposes; business firm.
正式程度和规模邓紫棋新恋情firm<company<enterprise
corporation a.法人团体的，公司的，corporation是公司的意思。英文的解释an organization which sells goods or services in order to make money英文解释是a large company or group of companies that is controlled together as a single organization. I would put this in the list of terms related to businesses. It is legal and formal.
A body that is granted a charter recognizing it as a separate legal entity having its own rights, privileges, and liabilities distinct from those of its members.
The most important aspect of a corporation is limited liability. That is, shareholders have the right to participate in the profits, through dividends and/or the appreciation of stock, but are not held personally liable for the company's debts.
例句：She didn't want to work for a big corporation where everything was so impersonal.
He works for a software company/a company that makes software.