SATs preparation to increase my child potential

My daughter Emma would like a private tutor to help her do better in her SATs exams in May 25. She is already doing well, but with extra support she could do better. I believe there could be some gaps in Math and I prefer to focus on that area. However, the occasional lesson in English grammar will also be welcome. Emma is a very sensitive child and will need a very patient and soft mannered teacher. Building her confidence up will be key. Also supporting her with exam technique will be very important.