Working in a pro bono partnership, the firms aided their shared clients, an Afghan female judge (Y) and her adult son, in obtaining permission to enter the UK.
The bill will effectively extinguish the right to seek asylum in the UK, say lawyers who have examined the proposed legislation on behalf of human rights charity, Freedom from Torture.
UK shadow foreign secretary David Lammy says Labour will reinstate ministers' duty to comply with international law and will help create an internation anti-corruption court.
International human rights lawyers have welcomed a move by the United Nations Working Group on Business and Human Rights (UN) to ask the European Commission (EC) to justify its position on excluding the United Kingdom (UK) from the cross-border legal cooperation international treaty, the “Lugano Convention”.