A modular service counter, comprising: a counter module defining at least one equipment module bay, the bay comprising: spaced apart and opposing upper equipment module supports (130, 132) extending generally along a length of the bay, each said upper equipment module support comprising a respective angled leading portion in the form of a ramp (131, 133); and at least one lower guidance support rail extending generally along a length of the bay; and an equipment module receivable into an equipment module bay of the counter module, the equipment module comprising: for each said upper equipment module support in the bay, at least one respective upper guidance member for engaging the upper equipment module support in the bay such that in use the at least one respective upper guidance member is guided along the upper equipment module support, the ramps of the upper equipment module supports thereby raising the equipment module off of a ground surface by movement of the equipment module into the bay and vertically aligning the equipment module with the counter module; and a lower guidance member for engaging the at least one lower guidance support rail of the bay such that in use the lower guidance member is guided along the lower guidance support rail to contribute to the side-to-side alignment of the equipment module with the counter module. a counter module defining at least one equipment module bay, the bay comprising: spaced apart and opposing upper equipment module supports (130, 132) extending generally along a length of the bay, each said upper equipment module support comprising a respective angled leading portion in the form of a ramp (131, 133); and at least one lower guidance support rail extending generally along a length of the bay; and spaced apart and opposing upper equipment module supports (130, 132) extending generally along a length of the bay, each said upper equipment module support comprising a respective angled leading portion in the form of a ramp (131, 133); and at least one lower guidance support rail extending generally along a length of the bay; and an equipment module receivable into an equipment module bay of the counter module, the equipment module comprising: for each said upper equipment module support in the bay, at least one respective upper guidance member for engaging the upper equipment module support in the bay such that in use the at least one respective upper guidance member is guided along the upper equipment module support, the ramps of the upper equipment module supports thereby raising the equipment module off of a ground surface by movement of the equipment module into the bay and vertically aligning the equipment module with the counter module; and a lower guidance member for engaging the at least one lower guidance support rail of the bay such that in use the lower guidance member is guided along the lower guidance support rail to contribute to the side-to-side alignment of the equipment module with the counter module. for each said upper equipment module support in the bay, at least one respective upper guidance member for engaging the upper equipment module support in the bay such that in use the at least one respective upper guidance member is guided along the upper equipment module support, the ramps of the upper equipment module supports thereby raising the equipment module off of a ground surface by movement of the equipment module into the bay and vertically aligning the equipment module with the counter module; and a lower guidance member for engaging the at least one lower guidance support rail of the bay such that in use the lower guidance member is guided along the lower guidance support rail to contribute to the side-to-side alignment of the equipment module with the counter module.