Shoosmiths has recorded across-the-board improvements in the new Legal 500 rankings.
The national law firm saw 24% of its submissions to the 2012 legal directory rated higher than last year.
Biggest movers in the regional tables were in the South East, North West, West Midlands, East Midlands and London.
Shoosmiths' national debt recovery team notched the best performance, entering the London rankings in Tier 1. It was also ranked Tier 1 in the North West, and West and East Midlands.
Other teams that ranked highly included:
- rail and aviation
- private client
- banking and finance
- real estate litigation
Chief executive Claire Rowe said: "Our growth strategy and our new brand proposition are hugely buoyed by these results.
"They reflect the high quality service we provide to clients, which is something they clearly value and appreciate, and which in turn leads them to be our best advocates."
Among clients' comments were: 'The service provided by Shoosmiths is 'Magic Circle' quality'; 'At Shoosmiths, the quality of knowledge is very good'; 'Innovative thinking and honest, open approach'.