GMEX Technologies of the United Kingdom owns 25 percent of ALTX Africa Group .
ALTX is a demutualised exchange wholly owned by ALTX Africa Group , a Mauritius based entity that also owns ALTX Clearing .
GMEX Technologies of the United Kingdom owns 25 percent of entity     .
ALTX is a demutualised exchange wholly owned by ALTX Africa Group , a Mauritius based entity that also owns ALTX Clearing .