G4S has reported trading in line with expectations for the first nine months of the year with organic revenue growth of 4.4%.
The group saw growth in all areas apart from the Middle East and India region.
Organic revenue growth excluding Middle East and India was 6.1% for the period to the end of September.
Chief executive Ashley Almanza said: 'The quality of the group's bid pipeline and our win momentum remain encouraging. In our secure solutions business, systems and technology enabled security continues to gain traction in key markets and now accounts for over £1.7 billion annualised revenue (31 December 2016: £1.5 billion).
'Our Retail Cash Solutions, Deposita and CASH360 solutions continue to receive a positive market response as we extend our sales and marketing across North America, Europe, Africa, Middle East and Asia.
'G4S now has around 6,500 CASH360 recycler units deployed (31 December 2016: 5,200) and over 12,000 CASH360/Deposita (31 December 2016: 9,400) smart safes.
'We see significant revenue potential in our Retail Cash Solutions, Deposita and CASH360 businesses.
'With very strong growth in the fourth quarter of 2016, the group expects full year 2017 organic revenue growth of between 3-4% and good profit growth.
'We remain focused on cash flow and are on track for the group's net debt to EBITDA ratio to be 2.5x or lower by the end of 2017.'