The company, established in 1856, caters for more than 48 million stamp collectors worldwide in a global stamp market worth in excess of £5bn. It is also Europe's largest dealer in autographs, memorabilia and rare historical signatures.
SPA Way investor relations practitioner James Poole will advise the chairman and CEO on City relations, managing stock exchange announcements and other financial presentations.
Stanley Gibbons holds the Royal Warrant and currently stocks more than three million stamps.
The SPA Way CEO Sara Pearson said: 'The current economic climate makes for increasingly gloomy reading. It is therefore fascinating to learn about the philatelic market which, driven by passion rather than fear or greed, seems to have remained untouched by recession for 50 years.'