PFH Technology Company keeps a low profile and a grade-A list of clients and partnerships. It is Ireland’s largest IT services company and it has been in the hands of one man, Paul Hourican, since it was founded almost 40 years ago.  PFH, which is based in Cork and ultimately owned by a company in the British Virgin Islands, has now been acquired by the global electronics company, Ricoh, in a deal at an enterprise value estimated to be in the €90 to €115 million range. Ricoh is a Japanese multinational imaging and electronics company listed on the Japanese stock…