Our basement has been leaking for years, because the entrance stairwell, which is exposed to the outside, didn't have proper drainage (or any at all actually).
Gus and the crew were amazing, professional, kind, and fast. they explained everything thoroughly and went the extra mile at the end to make sure the job site was spotless.
They dug out a trench, created a drainage entrance, and even though we've had some pretty crazy rain, it's been bone dry down there ever since.