The awards in partnership with the Institute for Employment Studies, recognises employers who support parents, carers and flexible workers with work-life balance and career development.
The winners were unveiled at a prestigious ceremony in central London today.
Entrants complete a unique benchmark survey, which examines flexible working policies and practices.
The Top Employers for working families list has not been ranked, but it shows organisations that have taken strides in bringing flexible practices into working parents' and carers' lives.
And the winners are…
Top 10 (A-Z)
EY (Ernst & Young)
Royal Bank of Scotland
Southdown Housing Association
The London School of Economics and Political Science
Wales & West Housing
Top 11 - 21 (A-Z)
Baker & McKenzie LLP
Bank of England
Chelsea & Westminster Hospital NHS Foundation Trust
Ministry of Justice
National Assembly for Wales
Simmons & Simmons
University of Portsmouth
Main benchmark entrants could opt to enter one or more of the Special Awards. The Award entries were judged anonymously by the judging panel. The winner and special commendations for the award catergories are:
The E-ON Best for Carers and Eldercare Award
British Gas - Winner
London School of Economics and Political Science - Commended
Mid Yorkshire Hospitals NHS Trust - Commended
The National Grid Best for all stages of Fatherhood Award
Citi - Winner
Ford - Commended
The Best for Innovation Award
Plantronics - Winner
The Best for Engagement Award
Plantronics - Winner
American Express - Commended
The My Family Care Best for all stages of Motherhood Award
Barclays - Joint Winner
London School of Economics and Political Science - Joint Winner
The RBS Best for Flexible Working Award
Simmons & Simmons - Winner
Plantronics - Commended
The Parental Choice Best for Childcare Award
Chelsea and Westminster Hospital NHS Foundation Trust - Joint Winner
Mid Yorkshire Hospitals NHS Trust - Joint Winner
Sarah Jackson, chief executive of Working Families, said: "We congratulate the outstanding organisations who have gained a much coveted place on the final list of Top Employers for Working Families or who have won a Special Award.
"The entrants, whether from very small enterprises or large private or public sector organisations, have all demonstrated an understanding of the links between flexibility, engagement, wellbeing and performance. These employers are able to show the positive effect of flexible working and family friendly policies on the financial bottom line."