Startup usually refers to the processes or events that occur at the start of a program, at the beginning of execution of a code block, or when a device is first booted.
- Stackoverflow.com Wiki
A startup is a company designed to grow fast. Being newly founded does not in itself make a company a startup. Nor is it necessary for a startup to work on technology, or take venture funding, or have some sort of 'exit'. The only essential thing is growth. Everything else we associate with startups follows from growth.
No venture capital, no Bay Area presence, no crazy burn rate: MailChimp’s founders built the company slowly by anticipating customers’ needs and following their instincts.
Beware of these engineering mistakes for your early stage software startup
Company culture is hard to define, but it’s woven into everything a company does. It’s the reason employees love or hate their jobs, or customers can feel valued or ignored. Like reputation, it takes years to build a good culture, but only a few missteps to mess it all up.