If the entrance are placed in the ucham corners, then obviously the reception is to be placed to the south or west of them along the wall.

In case of central entrances the following locations are better for the placement of receptions.

If the entry to the factory is from the central north side, then the reception and visitors section could be in northeast zone but away from the corner or in northwest zone.

If the entry to the factory is from the central east side, then the reception and visitors section should be in northeast zone but away from the corner.

If the entry to the office is from the south side the reception and visitors section should be in the southeast side.

If the entry to the office is from the west side, then the reception and visitors should be in the north west side.