Both terms generally refer to the same service offered by mental health professionals like licensed counselors, therapists, psychologists or social workers. However, counselling with two Ls is considered the UK English form of the word, while counseling is considered by many to be the American English version.

Many people who seek counseling have anxiety disorders, which cause excessive fear and worry. People with mood disorders, including depression and bipolar disorder, can also benefit from counseling. There are numerous other mental illnesses that counseling can be a helpful treatment option for.

Counselling is a talking therapy that involves a trained therapist listening to you and helping you find ways to deal with emotional issues. Sometimes the term "counselling" is used to refer to talking therapies in general, but counselling is also a type of therapy in its own right.