Guyana passport is valid for 15 years from the date of issue. plus 10 year multiple entry visa and settlement visa to the UK are possible now to Guyana passport holders. Change the name when applying for Guyana citizenship. Guyana citizenship and passport provides visa free travel to more than 100 countries
The following countries require formality visa : CANADA, AUSTRALIA, MEXICO. Formality visa means 1 day visa opening with no problem and can be extended inside the country. A formality visa usually doesn't require personal presence at Consulate.
It takes only 3-4 weeks to obtain Guyana citizenship including filing in the Immigration Registry.