For the record, Fred never challenged the inclusion of Fred Unlimited as a joint defendant.
However, the Judge queried it at the start of the hearing which prompted Fred to say it was a separate business not involved in the case. As a result, it looks like the judgement will be against Fred only, and not Fred Unlimited (the Judge forgot to state his final decision in his summary of the judgement at the end of the hearing).
In the end, as Atticus suggested, it would have been unwise to play games and enforce against Fred Unlimited. The Judge was very pragmatic in this and other matters. For example, even though he was quite critical of Fred's credibility and complimentary about the claimant and his witness (me
) he only awarded 4% rather than 8% interest which is a bit odd given that Moneyclaim online inserts the interest claim for 8% automatically.