You don't expect everyone to always be in uniform but they should be dressed appropriately. They should be well-mannered and should only be there to work and complete the tasks at hand; nothing more, nothing less.
They are also expected to always come on time and be accountable for the work that they do. It is also expected of them to have the necessary equipment and high-grade materials that sets them apart from a local pool cleaner.
After all, they are a company and not just a friendly neighbor offering a hand. Having the right equipment and materials will ensure a better quality result. If you are looking for pool services, then you can also browse https://www.coversinplay.com/ for pool shelter ideas.
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Keep in mind that the contractors you will choose will be spending a significant amount of time in your property. If you are going to watch over them all day, you might as well do the job yourself. Unless you know the contractors personally, it is quite good to make sure that they have a permanent address.
Also, do simple backgrounds check and ask for references? In such instances, you might also want to listen to your gut feeling. If you are not comfortable with them during the initial stages, move on to the next.
It is essential to compare rates from different service companies. Do not simply jump onto the cheapest offer, because you might end up with equally cheap service. Keep in mind that a deal that sounds too good to be true probably is. Compare rates.
Ask why they charge more or less compared to the other company. Nonetheless, do not let the cost be the only factor in choosing the company. A price is just a number; prioritize quality.