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Boss Uses Coffee Test In Every Interview And Won’t Employ Those Who Fail
A boss uses a ‘coffee cup test’ in every interview, and says he won’t employ those who fail it.
Landing a job interview can feel like the hardest part of the process, but according to one CEO, the real test might not happen when you’re answering questions about your experience at all.
Most candidates spend hours preparing for interviews, researching companies, rehearsing answers, and choosing the perfect outfit.
But one business leader says he can often decide whether someone is the right fit before the formal interview has even finished.
His secret? A simple cup of coffee.
The unusual hiring method has gone viral after the executive revealed he quietly gives every applicant the same hidden test, and those who fail it are unlikely to receive a job offer, regardless of how impressive their résumé may be.
The tactic has divided opinion online, with some praising it as a clever way to judge someone’s character while others argue it has little to do with whether a person can actually perform the job.
It’s not the only hidden interview lesson
Interestingly, the coffee cup test isn’t the only hiring story that’s gone viral for showing how first impressions can make or break an interview.
One Reddit user previously shared an experience that quickly spread across social media after revealing how a candidate unknowingly failed an interview within minutes of arriving.
According to the employee, the applicant barely acknowledged the receptionist when entering the building.
“They were dismissive,” the Reddit user wrote.
The candidate reportedly avoided eye contact, gave short answers and showed little interest in speaking to the woman behind the reception desk.
There was just one problem. She wasn’t actually the receptionist.
The ‘receptionist’ turned out to be the hiring manager
The employee explained that after checking the candidate in, the woman later returned and introduced herself as the hiring manager.
She then escorted him into the interview room before ending the interview almost immediately.
According to the Reddit post, she explained that every person within the company deserved respect, regardless of their job title.
Because of how the candidate had treated someone he assumed was ‘just the receptionist,’ she decided he wasn’t the right fit for the company.
The interview ended before it had really begun.
The story quickly went viral, with thousands agreeing that how someone treats people in everyday situations often says more about their character than rehearsed interview answers ever could.
The boss behind the viral interview test
The hiring trick comes from Trent Innes, the former Managing Director of accounting software company Xero and current Chief Growth Officer at SiteMinder.
Over the years, Innes has interviewed countless job candidates, but says technical ability is only one part of what makes someone successful in the workplace.
Instead, he believes attitude and how somebody treats shared spaces can reveal just as much about whether they’ll fit into a company’s culture.
Speaking on business podcast The Ventures, Innes explained that every interview follows the same routine.
Rather than immediately sitting down in a meeting room, Innes first takes candidates on a walk through the office.
During that tour, they usually stop by the kitchen, where the interviewee is offered a coffee, tea or another drink before the interview begins.
On the surface, it appears to be nothing more than a friendly gesture designed to help candidates relax.
But according to Innes, that’s when the real assessment begins.
Once the interview has concluded, he watches to see what happens to the empty cup.
Does the candidate simply leave it behind? Or do they take it back into the kitchen themselves?
The coffee cup is the real test
According to Innes, returning the cup isn’t about tidiness, it’s about attitude.
Speaking on The Ventures podcast, he explained: “You can develop skills, you can gain knowledge and experience, but it really does come down to attitude.”
He added that one of Xero’s internal values became the idea of “wash your coffee cup.”
“If you come into the office one day inside Xero, you’ll see the kitchens are almost always clean and sparkling,” he said.
“It’s really just making sure that they’re actually going to fit into the culture.”
For Innes, someone who instinctively returns their cup demonstrates they’re willing to contribute to the workplace rather than expecting someone else to clean up after them.
“It’s very much off that concept of wash your coffee cup,” he explained.
While qualifications and experience remain important, Innes believes those things can often be developed over time.
Attitude, however, is much harder to change.
His coffee test is designed to identify candidates who naturally show consideration for colleagues and take responsibility for small tasks without being asked.
It’s not necessarily about whether someone remembers to wash a mug.
Instead, it’s intended to reveal whether they view themselves as part of a wider team.
The philosophy has resonated with many employers, who argue that workplace culture is just as important as technical ability when building successful teams.
Not everyone agrees
Since the interview trick resurfaced online, it has sparked plenty of debate.
Supporters say the test highlights qualities like respect, initiative and personal responsibility—traits that can be valuable in almost any workplace.
Others, however, argue that such hidden tests can unfairly disadvantage candidates.
Some pointed out that interviewees are already under pressure and may simply be unsure of company etiquette.
For example, a visitor might deliberately leave the cup where it is because they believe employees prefer guests not to wander around the office unattended.
Others argued that recruitment decisions should focus on professional skills rather than assumptions based on a single small action.
Why these stories continue to resonate
Whether it’s returning a coffee cup or being polite to reception staff, both stories share the same underlying message.
Many employers aren’t only looking for qualifications.
They’re also trying to understand how someone behaves when they think nobody is paying attention.
While not every hiring manager uses hidden tests—and many recruitment experts caution against relying on them too heavily—they continue to generate discussion because they highlight something candidates can control regardless of their experience.
Being courteous, respectful and considerate costs nothing.
And if Trent Innes is conducting your interview, remembering to take your coffee cup back to the kitchen might just make the difference between receiving a job offer and walking away empty-handed.
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