Isokon has completed a sale of its probate software to UK Top 200 law firm Wilsons Solicitors LLP. The 170-user firm had recently signed up with Peppermint for its practice management software. The two systems will operate side by side. Isokon continues to consolidate its 36% share of the private client marketplace by adding a further sale to 131 user firm Thrings LLP, another Top 200 law firm. Isokon is now used by 16 Top 200 firms.