One in Four provides specialist, trauma‑informed support for survivors of sexual violence, domestic abuse, child sexual abuse and trauma. Services include long‑term, low‑cost counselling, advocacy, psycho‑education workshops, survivor groups, and professional training. They support adults of all backgrounds and genders, guiding survivors through recovery and justice pathways. The charity delivers services through their South London and North London sites, and offers remote access. Referrals can be self‑made or via professionals. All services are free or sliding-scale as needed. Workshops and training are offered to survivors and professionals to improve understanding, resilience, and standards of care.