Mehvish specialises in cross-border children matters and is highly respected within the field for her experience in forced marriage cases.

 Mehvish was ranked as a leading junior in Chambers and Partners 2016. The directory noted that peers were quick to raise the range and depth of her expertise and listed her strengths as: "Always on top of her case and incredibly hard-working." "Exceptionally bright, very highly specialised and highly experienced." "She is very dynamic and clearly very interested in the way the area is developing. She is looking at the bigger picture."

In 2013 Mehvish received the Jordan's Family Law Award for "Young Barrister of the Year".

Mehvish has considerable experience in all aspects of international children work and in particular cases brought under the 1980 Hague Convention on Civil Aspects of International Child Abduction, the 1996 Convention on Protection of Children, Brussels II Revised and Inherent Jurisdiction. Mehvish also regularly represents parties in proceedings involving applications to leave to remove, the Forced Marriage Act 2007, Wardship and private law