Yes, your visa gives you the privilege of visiting throughout the UK (England, Wales, Scotland, Northern Ireland) wheher it be on business, visiting friends, or tourism.
APPENDIX V: Immigration Rules for visitors
A visitor is a person who is coming to the UK, usually for up to six months, for a temporary purpose, for example as a tourist, to visit friends or family or to carry out a business activity.
Appendix 3 details 24 permitted activities for all visa holders (except transit visitors) beginning with Tourist and Leisure, Volunteering, and Business, and so forth.