If there is no complexity in your immigration history you can apply for British Citizenship yourself.
Check the following and you are good to go Apply For British Citizenship:
-to hold settled status ILR (for a year unless married to a British citizen);
-no excess absences in the last five years (three if married to a Brit);
-present on the first day of five or three years qualifying period
-no criminal convictions in the last three years;
-no illegal stay in the last ten years;
-holding Life in the UK test;
-meets English language requirements with B1 SELT from an approved provider less than two years old, unless already used for ILR, or else a degree taught in English.
You may get the application for British citizenship checked by us.