The Home Secretary has met with church leaders from different denominations to address concerns and call on them to take action on the issue.
Despite the slave trade being 'ended' 200 years ago in the UK, an estimated 20,000 victims are thought to be living in the UK.
While many are brought in from abroad, police are picking up more and more cases of British nationals being forced into unpaid labour.
The meeting with church leaders was brought about after concerns that more needs to be put into the Modern Slavery Bill to meet the needs of victims.
Speaking to those gathered, the Home Secretary said: "We've already seen action by churches on this. Working together we can deal with this issue.
"I think we have a real mission; and that mission is to bring an end to one of the most heinous crimes that we see being committed in our society.
"And release people whose life has been taken away from them by the slave drivers. I hope you will be able to join with us in that mission"
The Modern Slavery Bill has made its way through the Commons and the Lords. Amendments are now being considered and it's thought it will be given royal assent and made into law by the end of the month.
It's main aims are to:
- create two new civil orders to prevent modern slavery
- establish an Anti-Slavery Commissioner
- make provision for the protection of modern slavery victims.