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Summary of accounting policies (Tables)
 12 Months Ended
Dec. 31, 2024
Summary of significant accounting policies  
Schedule of property and equipment
Depreciation on items of property and equipment is calculated using the straight-line method over their estimated useful lives, as follows:
Useful life in years
Buildings
Up to 40
Transportation equipment
5 to 8
Technical equipment and machinery
3 to 10
Office equipment
5 to 15
Leasehold improvementsShorter of useful life and the term of the underlying lease
Schedule of currency translation rates against the US dollar for the group's most significant operations
The following tables present currency translation rates against the US dollar for the Group’s most significant operations.
Year Ended December 31, 2022
CountryCurrencyAverage RatePeriod-end Rate
AlgeriaAlgerian Dinar (DZD)141.96137.36
CameroonCFA Franc BEAC (XAF)623.87612.84
ChinaYuan Renminbi6.736.90
Ivory CoastCFA Franc BCEAO (XOF)623.87612.84
EgyptEgyptian Pound (EGP)19.2024.75
GhanaCedi (Ghana) (GHS)8.9910.20
KenyaKenyan Shilling (KES)117.60123.50
MoroccoMoroccan Dirham (MAD)10.1310.46
NigeriaNaira (NGN)423.01448.08
PortugalEuro (EUR)0.950.93
RwandaRwanda Franc (RWF)1,031.641,067.00
SenegalCFA Franc BCEAO (XOF)623.87612.84
South AfricaRand (ZAR)16.3717.02
TunisiaTunisian Dinar (TND)3.083.11
United Republic Of TanzaniaTanzanian Shilling (TZS)2,322.972,332.45
UgandaUganda Shilling (UGX)3,682.083,717.61
United Arab EmiratesUAE Dirham (AED)3.673.67
Year Ended December 31, 2023
CountryCurrencyAverage RatePeriod-end Rate
AlgeriaAlgerian Dinar (DZD)135.98134.32
CameroonCFA Franc BEAC (XAF)606.62594.31
ChinaYuan Renminbi (CNY)7.077.08
Ivory CoastCFA Franc BCEAO (XOF)606.62594.31
EgyptEgyptian Pound (EGP)30.6730.93
GhanaCedi (Ghana) (GHS)11.6911.97
KenyaKenyan Shilling (KES)139.98157.01
MoroccoMoroccan Dirham (MAD)10.139.88
NigeriaNaira (NGN)636.97896.64
PortugalEuro (EUR)0.920.91
RwandaRwanda Franc (RWF)1,159.041,259.53
SenegalCFA Franc BCEAO (XOF)606.62594.31
South AfricaRand (ZAR)18.4518.30
TunisiaTunisian Dinar (TND)3.103.07
United Republic Of TanzaniaTanzanian Shilling (TZS)2,422.542,512.42
UgandaUganda Shilling (UGX)3,725.373,780.17
United Arab EmiratesUAE Dirham (AED)3.673.67
Year Ended December 31, 2024
CountryCurrencyAverage RatePeriod-end Rate
AlgeriaAlgerian Dinar (DZD)134.15135.73
CameroonCFA Franc BEAC (XAF)606.41631.50
ChinaYuan Renminbi (CNY)7.197.30
Ivory CoastCFA Franc BCEAO (XOF)606.41631.50
EgyptEgyptian Pound (EGP)45.3450.84
GhanaCedi (Ghana) (GHS)14.4814.72
KenyaKenyan Shilling (KES)134.89129.37
MoroccoMoroccan Dirham (MAD)9.9410.11
NigeriaNaira (NGN)1,480.981,546.43
PortugalEuro (EUR)0.920.96
RwandaRwanda Franc (RWF)1,318.181,388.02
SenegalCFA Franc BCEAO (XOF)606.41631.50
South AfricaRand (ZAR)18.3318.83
TunisiaTunisian Dinar (TND)3.113.18
United Republic Of TanzaniaTanzanian Shilling (TZS)2,615.412,429.68
UgandaUganda Shilling (UGX)3,756.753,680.02
United Arab EmiratesUAE Dirham (AED)3.673.67
Schedule of group's geographical distribution of revenue and property, plant and equipment The Group’s geographical distribution of revenue and property and equipment was as follows:
RevenueFor the year ended December 31,
In thousands of USD202220232024
West Africa(1)
103,402 83,608 78,890 
North Africa(2)
57,495 76,641 64,205 
East and South Africa(3)
33,507 24,365 24,077 
Europe(4)
294 1,152 247 
United Arab Emirates8,576 629 41 
Others26 8 25 
Total203,300 186,402 167,486 
Property and equipmentAs of December 31,
In thousands of USD20232024
West Africa(1)
6,709 8,230 
North Africa(2)
3,584 5,554 
East and South Africa(3)
3,409 2,838 
Europe(4)
532 434 
China80 138 
United Arab Emirates47 2 
Total14,361 17,196 
___________________________
(1)West Africa covers Nigeria, Ivory Coast, Senegal and Ghana.
(2)North Africa covers Egypt, Tunisia, Morocco and Algeria.
(3)East and South Africa covers Kenya, Uganda and South Africa.
(4)Portugal and Germany