1. Pre-Boarding Engagement: Send them welcome emails, company merchandise, and an introductory package outlining what they can expect before their first day.

2. Structured Orientation Program: Develop a structured orientation program that encompasses an office tour, introductions to the team, and an overview of company culture.

3. Assign a Mentor: Pairing new hires with a mentor provides them with a go-to person for queries and advice. Peer support can significantly ease the transition period.

4. Comprehensive Training: Training sessions should covver the job and any software.

5. Inclusion in Social Activities: Social interactions outside of work can greatly enhance team cohesion and make new hires feel welcome.