How are workplace friendships different from other friendships?
They are formed by proximity rather than choice, exist inside a structure of power and competition, and — most significantly — usually end when the job does, which is the fact most people discover rather than anticipate.
What makes them distinctive:
Involuntary proximity. You did not choose these people; the organisation did. That produces friendships across lines of age, background and politics that you would otherwise never cross — which is a genuine social good, and a reason the decline of workplace socialising matters.
Shared context without shared history. You see each other's competence, stress and behaviour under pressure, which builds a particular kind of knowledge quickly.
Power asymmetry, actual or potential. A friendship that includes a reporting line carries a permanent complication, and even peers may later compete for the same role.
Third-party consequences. Perceived favouritism affects people outside the friendship, which is why it is not purely a private matter.
Confidentiality tensions, where you learn things in one role that matter in the other.
What the research finds:
Workplace friendship is strongly associated with engagement, retention and wellbeing, and having a close friend at work is among the more robust predictors in engagement research.
It also carries costs — divided loyalty, difficulty giving critical feedback, and greater distress when a friend is treated badly.
Remote and hybrid working has made formation harder, since these friendships historically formed through unplanned contact, which scheduled calls do not replicate.
Why they end. Most workplace friendships are situational, maintained by daily contact rather than by effort. When the shared context is removed, the effort required becomes visible — and usually is not made. This is not a judgement on either person, and it helps enormously to know it in advance.
What helps them survive a departure: moving contact off work channels immediately; establishing a shared activity outside the shared job; and accepting that the frequency will change.
On managing a friend: be explicit about the change, apply the same standards visibly, and expect to lose some closeness — which is the cost of the role.