Company
Position
Partner
Index
Family Lawyers
Location
London
Advice type
Children law
Cohabitation
Cross-border
Divorces
Financial remedies
International child relocation
Prenuptial and postnuptial agreements
Asset Class
Trusts
Client type
City professionals
Entrepreneurs
HNW
Sector Focus
Legal Advisory Services
Teresa Cullen
Spear’s Review
Keystone Law partner Teresa Cullen’s family law practice is guided by a fundamental principle of adopting a clear strategy at ‘the earliest opportunity’.
Cullen’s caseload encompasses financial issues arising from divorce and separation, often with an international element, and private children work, including relocation and child arrangements. She joined Keystone in 2025 after more than a decade at Fladgate, and receives many referrals from previous clients, all of whom ‘are highly intelligent, professional people in their own fields’, she says.
Alongside her legal practice, Cullen is also a trained psychotherapist. She tells Spear’s that this extra training – and understanding of the psychological undercurrents clients might be facing – makes her better prepared and more patient. ‘When I’m practicing as a lawyer, I’m very much practicing as a lawyer, but I do think about the understanding of human behaviour [too].’
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