Blackstone Chambers - UK 100

Turnover: £23m

Heads of chambers: Presiley Baxendale QC and Charles Flint QC.

Total tenants (silks): 63 (29)

Door tenants: Four

Chambers contributions: 15-17 per cent

Revenue per barrister: £365,000

Top cases last year: Financial Services Authority v Davidson (alias ‘The Plumber’); Financial Services Authority v Christopher Headdon; T-Mobile, Vodafone, Orange & O2 v Competition Commission and Director-General of Telecommunications; European Roma Rights v Immigration Officer at Prague Airport; Gusinskiy v Russia.

No of appearances in House of Lords: 22

No of appearances in Court of Appeal: 72

Barrister to staff ratio: 1:0.38

Average hourly rates: Juniors £50-£350, silks £250+.

New clients: N/A

Income derived from overseas work: N/A