Following the announcement of its full year 2018 results on 12 March 2019, G4S provides historic quarterly underlying organic growth data for its Secure Solutions and Cash Solutions businesses:
        G4S provides historical quarterly organic growth data for 2017 and 2018
| Underlying resultsa | 2017 Organic Growthb | 
 | 2018 Organic Growthb | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Q1 | Q2 | H1 | Q3 | Q4 | FY | 
 | Q1 | Q2 | H1 | Q3 | Q4 | FY | |
| Secure Solutions | 3.7% | 2.2% | 3.0% | 2.4% | 4.1% | 3.1% | 
 | 2.3% | 4.0% | 3.1% | 2.6% | 3.1% | 3.0% | 
| Cash Solutions | 43.9% | 16.6% | 29.9% | -9.0% | -16.9% | 4.8% | 
 | -23.8% | -4.0% | -14.7% | 5.0% | -11.1% | -9.4% | 
| Cash Solutions ex RCS, NA | 2.1% | 2.1% | 2.1% | 0.9% | -0.1% | 1.2% | 
 | -0.6% | 2.1% | 0.7% | -0.3% | 0.5% | 0.4% | 
| Total Group | 9.3% | 4.3% | 6.8% | 0.6% | 0.0% | 3.4% | 
 | -2.5% | 2.7% | 0.1% | 3.0% | 0.8% | 1.0% | 
a Underlying organic growth excludes revenue from businesses that the Group has sold or closed in all periods presented and  excludes revenue from onerous contracts. 
b Organic growth is calculated based on revenue growth at 2018 average exchange rates, adjusted to exclude the impact of any acquisitions during the current or prior periods.