I will not even advise any organisation to do such because these days funny things happen, as you do not know the intention of the person you are taking to the lab when such a person is not a staff member or is affiliated with your organisation, and not even a government official on official duty. It is better if the person stays at your office than to let them into your lab. Labs are basically for major work, and most discreet activities of the organisation's production capacity and abilities are kept there, and I do not believe any reasonable organisation would just take or allow any individual to enter without any prior notice or not follow procedures before accessing the lab.
This is a crypto wallet password recovery service after all, meaning that at any given time, they potentially have access to the contents of the wallets whose password they may have recovered so it's not very safe to bring outsiders to the lab where the recovery is done since you can never really tell who is who these days, the person allowed into the lab might be there to sabotage there place one way or the other and such an act can be bad for business.
Basically the lab weather in medical sector , pharmacitical or organizational settings is not a place for every one to just enter because you have a job to do with the facility rather it's supposed to be strictly for lab staff .
There can be an outer office where people come and lay there complains make payments if necessary but definitely not in the lab, for me there is absolutely no difference with this lab and every other because a lot will be exposed to the public if it's public and left for anyone to access at anytime .
Informations are to be designated to different aspects of the office for people to know where exactly they are supposed to be and where to channel there the request to at every given time