A subsea housing assembly, comprising: - a subsea housing; - a first housing portion of the subsea housing, wherein the first housing portion comprises a first electrical connection for data communication; - a second housing portion of the subsea housing, wherein the second housing portion comprises a second electrical connection for data communication; - a wall providing separation between the first housing portion and the second housing portion of the subsea housing; and - an inductive coupler comprising a first coupling section disposed in the first housing portion and a second coupling section disposed in the second housing portion, wherein the inductive coupler is configured to provide inductive coupling across the wall for providing at least a data communication between the first electrical connection in the first housing portion and the second electrical connection in the second housing portion; wherein - the first coupling section comprises an inner coil and the second coupling section comprises an outer coil, or wherein the first coupling section comprises an outer coil and the second coupling section comprises an inner coil; - the outer coil at least partly surrounds the inner coil; and - at least part of the wall extends between the inner coil and the outer coil; wherein - soft magnetic material (531A, 531B, 532A, 532B) is arranged at least around the outer coil and/or inside the inner coil such that the magnetic flux is collected and guided from the outer coil to the inner coil and/or from the inner coil to the outer coil; and - a support structure (571, 572) is provided around and/or inside the part of the wall extending between the inner coil and the outer coil, wherein wall and support structure (571, 572) in combination are configured to provide a pressure barrier to resist a predetermined minimum pressure difference across the wall. - a subsea housing; - a first housing portion of the subsea housing, wherein the first housing portion comprises a first electrical connection for data communication; - a second housing portion of the subsea housing, wherein the second housing portion comprises a second electrical connection for data communication; - a wall providing separation between the first housing portion and the second housing portion of the subsea housing; and - an inductive coupler comprising a first coupling section disposed in the first housing portion and a second coupling section disposed in the second housing portion, wherein the inductive coupler is configured to provide inductive coupling across the wall for providing at least a data communication between the first electrical connection in the first housing portion and the second electrical connection in the second housing portion; wherein - the first coupling section comprises an inner coil and the second coupling section comprises an outer coil, or wherein the first coupling section comprises an outer coil and the second coupling section comprises an inner coil; - the outer coil at least partly surrounds the inner coil; and - at least part of the wall extends between the inner coil and the outer coil; wherein - the first coupling section comprises an inner coil and the second coupling section comprises an outer coil, or wherein the first coupling section comprises an outer coil and the second coupling section comprises an inner coil; - the outer coil at least partly surrounds the inner coil; and - at least part of the wall extends between the inner coil and the outer coil; - soft magnetic material (531A, 531B, 532A, 532B) is arranged at least around the outer coil and/or inside the inner coil such that the magnetic flux is collected and guided from the outer coil to the inner coil and/or from the inner coil to the outer coil; and - a support structure (571, 572) is provided around and/or inside the part of the wall extending between the inner coil and the outer coil,