Crowdstrike it pretty much the go to standard currently, and they will provide a support wrap around it. Something a small business will want to consider, depending on their risk appetite. EDR does require specialist knowledge, and will take a considerable amount of effort if it’s enabled.
if you don’t have a SOC/EDR requirements, etc then Microsoft Defender will likely be adequate, you can get a really good entire security suite from them, covering all the basics as part of their licensing model.