"constant company" is a correct and usable phrase in written English.
It refers to being in the presence of others on a consistent basis. Example: "She loved having her dog as her constant company, always by her side whether she was happy or sad."
Once they become mobile, you have constant company.
He slept with the lights on and needed constant company.
The man who spoke so often of his isolation was, at Cornell especially, in the constant company of his wife.
Dwarf mice are usually so small and frail that they require the constant company of a larger mouse.
Communal meals are good fun, but the constant company of seven others, however congenial, can seem too much.
At 16, my forehead full of acne, I spent summer nights in the constant company of the same six guys.
He decided then to keep humble, constant, happy company with the multitude of men and women who had tried to express such things.
Even if oil prices remained constant, the company should see substantial revenue growth as it plans to double its output of oil and gas from the present equivalent of 2 million barrels a day in the next decade.
In these times of constant change, companies need loyal and committed people who are ready to go the extra mile and take the initiative, even if many will not become long-term employees.
In an economy characterized by constant change, companies that know when it is time to throw in the towel on their existing business or that can quickly move into new opportunities have a better chance of survival than firms that don't adapt to a rapidly shifting environment.
If you assume a constant rate of company formation by smart people, and assume that it takes five years to get a good company, and assume that all those companies went public two years earlier, then maybe you have a drought.
