One of Barrington Harvey's directors, Simon Byron, has since responded to the story, saying, "Barrington Harvey is not in the position of telling reviewers what they can and cannot say." Byron added, "As an ex-journalist myself, I firmly believe in editorial integrity and the right to express an individual opinion. As an agency, we never - ever - make demands of the press in terms of awarding scores; at the end of the day, they are free to score as they wish." It's worth noting that while Byron's statement makes it clear that Barrington Harvey cannot demand that outlets withhold review scores, it never addresses whether or not the company asked them to do so.
Source - UK Tomb Raider: Underworld reviews under 8/10 silenced until Monday
Source - Eidos UK PR firm: We are "not in the position of telling reviewers what they can and cannot say"