The agency is currently working on the new branding and name for the charity, which is operating under the working title Rainer Crime Concern. The new identity is due to be unveiled at the end of the year.
Simon Myers, one of the partners at Figtree, said: "This new organisation has a huge amount to offer UK society and we hope to develop a new name and identity that people can relate to and be proud of."
The creation of Rainer Crime Concern has resulted in the formation of a £43m organisation that supports 34,000 people across the UK. Its staff and volunteers help young people who are in care, custody, out of work, struggling at school, homeless or facing parenthood.
Rainer is a national charity for under-supported young people and provides them with a range of emotional and practical support.
Crime Concern is a national charity that works to reduce crime, anti-social behaviour and the fear of crime. It works with children, young people, their parents, friends and families, as well as adult offenders.