The solution to repairing seamless gutters changes depending on the size of the hole - if the hole is smaller than a nail hole, some roofing cement or silicone caulk will do the trick. If it is larger than a nail hole, you will need a piece of flashing to fix it.
Petar and his team all treated my home like it was their own. They work very hard, punctual, and very professional. Good tidy up when the job was done. Excellent service, highly recommend. Thank you Petar!