There is plenty to choose from if you go online. But it is expensive and difficult to know where to start. Reason enough to look around.
Cafe on Platform 2 at the Emsworth Railway Station stocks a variety of different makes. Not really a coffee shop, nor a biltong bar. Not even the Information Office it could become. This is a good place to start.
Flavours of South Africa – With a factory in Havant their biltong can be found at the local markets in Emsworth, Winchester High St, Salisbury, Reading, Oxford and Portsmouth.