I have had multiple companies/entities (universities, tech companies, defense contractors, etc.) request me to work for them at the same time. Common sense would tell me to not bill multiple groups for the same work, not share work across groups, etc.

  • What legal issues must I be careful with when working for multiple tech companies at the same time?
  • Does it matter is if the jobs are W2/1099/etc.?
  • Am I required to tell the companies that I am working for someone else?
  • Are you writing code that is work for hire and is owned by the company that hires you? – BlueDogRanch Sep 5 '17 at 15:54
  • @BlueDogRanch Not sure if "work for hire" means something special, but I would be paid to write code that each company would own as IP. – aidan.plenert.macdonald Sep 5 '17 at 16:04
  • You would give the same code to each company under an agreement with each company that they solely own the IP? – BlueDogRanch Sep 5 '17 at 16:14
  • No. Each would be separate and have their own code. I would not let code cross between companies. The companies are not competing, so code from one has little value to the other. – aidan.plenert.macdonald Sep 5 '17 at 16:18

If you have a contract with a company that prohibits you from holding another job, then you can't hold another job (such things pretty much only exist for full-time salaried position). There might be a non-compete clause that specifically prohibits you from working for a competitor. There could also be a clause in the contract requiring you to inform an employer of you take another job. It is likely that there are non-disclosure clauses which restrict how you can use information acquired in the course of working with a company.

WRT copyright, you almost certainly cannot be hired to write the same code for two companies, since both companies will contradictorily assert a valid and exclusive copyright claim to the product. There would not be a problem if the jobs were only vaguely related ("financial software"). If it's reasonable to think that you're writing the same code for two people, you would need to discuss this with the employers and your attorney.

It matters to you whether you get a W2 vs. a 1099, but that isn't dependent on having 1 employer versus 2. If you have insurance supplied by an employer, then the insurance companies will have an interest in knowing about other forms of insurance (so that expenses are distributed and not shouldered by just one company), thus your various insurance companies may learn about each other.


While tax status (W-2 v. 1099) per se is not that important (my wife works promotions and routinely gets half a dozen of each, or more, every year), the employee v. independent contractor status that they represent can be relevant.

An employee has a common law "duty of loyalty" to an employer, which basically means that the employee cannot directly compete with the employer and cannot undermine the employer, while employed by the employer, even in the absence of a non-compete. The Colorado Supreme Court discussed those duties at length in Jet Courier Service, Inc. v. Mulei (Colo. 1989).

In those cases, it is important legally to know if you have multiple separate periods of employment that begin and end as separate jobs, which basically limits the duty of loyalty to on the job conduct, or if you are a part-time employee for a company for a period of time, in which case your duty of loyalty would ordinarily prohibit you from competing with your employer during the term of your employment.

For example, if you were hired as an employee to come in for three separate weekend jobs, that would have a very narrow non-compete scope. But, if you were hired to come into their officers for five hours a week every week for several months as their part-time IT officer, that would be another story and you would probably be considered an employee for the duration.

In the case of an independent contractor, this would generally only apply of the independent contract was also an agent of the company and only insofar as the scope of the agency extended.

I concur with @user6726 on the copyright issue.

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