More employees are approaching their managers with concerns around mental health, but most companies fail to offer appropriate training, new research has found.
The month also focuses on strategies for attaining mental health and wellness, as well as reducing the stigma that surrounds mental illness.
The Inspiration Award for an individual that has made or spearheaded an act, effort or statement to inspire people to be more active in discussing mental health issues in the workplace.
Maureen Watt MSP, minister for mental health, said: "Mental health affects all of us and the Scottish Government wants mental health to be something everybody talks about".
IIP CEO Paul Devoy: "The findings of Investors in People's first ever Managing Mental Health report suggest that, for workers in London, stress and associated mental health worries at work are a significant presence".
"But", Harvey continues, "this research provides strong evidence that organizations can improve employee well-being by modifying their workplaces to make them more mentally healthy".
During mental health awareness week, commencing 14 May, The Health Insurance Group is encouraging employers to give staff more support with looking after their physical health - in turn having a positive impact on their mental wellbeing.
The company's latest report 'Employee Wellbeing Research 2018', carried out in association with Reward & Employee Benefits Association (REBA) found that 60% of United Kingdom chief executives say mental health is the area of employee wellbeing they are most concerned about.
Rachel Suff, senior employment relations adviser at CIPD, said: "We're seeing a significant increase in the number of reported mental health issues among employees in United Kingdom organisations".
"Our new Mental Health Advantage cover will now enable business leaders to provide better support for their colleagues - offering businesses ease of access and the confidence that their people can access the right support and care when they need it".
Tobias Ellwood, minister for defence people and veterans, said the MoD was organising a series of events, talks and briefings this week to tackle the stigma of mental health and show a commitment to helping people overcome "the invisible wounds of war" as well as the physical ones. Research has shown that 16 million people in the United Kingdom experience a mental health problem each year, and stress often plays a significant role.
For confidential support with mental health or suicidal feelings, call Samaritans on 116 123.
For over a quarter (28%) of businesses in this sector, mental health is now a bigger issue among employees than physical illness.
Men in particular tend to be less comfortable with mental health discussions, and although ideas of masculinity are changing, men are less likely to report their issues in fear of detailed follow-up conversations.
"We are also heavily involved in the training and education of Norfolk and Norwich staff, including at induction, and we promote the mental health and wellbeing of their staff".