The Management of Health and Safety at Work Regulations 1999 require employers to make adequate arrangements for managing health and safety in their business.
What must you do
arrange for one or more "competent persons" to help you to meet your duties under health and safety law;
appoint an employee, yourself or an outside consultant, provided that the person appointed is competent.
carry out suitable and sufficient risk assessments of the risks to employees, the self employed and persons affected by your undertaking, which may include members of the public and other persons employees;
provide information, instruction, training and supervision for employees to ensure risks are controlled so far as reasonably practicable.
For detailed information refer to the Health and Safety Executive (HSE).