Group of companies is grammatically correct.
Some examples of consulting companies include McKinsey and Company, Bain & Company, Booz and Company, Monitor Group and The Boston Consulting Group, Inc.
The singular is company. The possessive form is company's (referring to one company).The plural is companies. The plural possessive is companies' (referring to more than one company).
companies'
That is the correct spelling of "spokesperson" (represents a company or group).
When you spell company it is always with a (y) so for your question the first option is correct
There are a variety of top consulting firms and companies. Such firms and companies include McKinsey and Company, The Boston Consulting Group, Brain and Company, and Booz and Company.
Fractions? correct answer is factions not fractions
There is no standard collective noun for the noun companies, in which case a noun suitable for the situation is used, for example a family of companies, a group of companies, a conglomerate of companies, etc.The noun 'company' is used as a standard collective noun for:a company of actorsa company of angelfisha company of archer fisha company of finchesa company of molesa company of parrotsa company of soldiersa company of widgeon
That is the correct spelling of the possessive form for a company.Examples:The company's stock went up in value.The company's directors were being investigated.The plural of company is companies and the plural possessive is companies'.)
The Carlyle Group trades on the Nasdaq under the symbol CG.
A large company, or group of companies, whose main business is the production of petroleum, chemicals, and pharmaceuticals.
It depends on context. If you're talking about lots of different companies and their websites, then you'd say "companies websites" but if you're talking about just one company which has many websites it's "company's websites".