Most employers use employment references as part of their recruitment process. It's important to know the rules around references, whether you're asking for or supplying them. Click here to view ACAS’ References guidance 
Acas also has resources to help you with other areas of recruitment:
Recruitment and contracts
Recruiting an employee
Social media and recruitment
Unconscious bias
ACAS also offer free e-learning covering recruitment and induction which you can access and share with your managers and others involved with the recruitment process: Access Acas e-learning
You can also download free letters, forms and templates to use when hiring people, from the Acas website. These include outline job descriptions, person specifications, applications and job offer letters and equality and diversity forms. Download free letters, forms and templates