If you are coming to our firm from Kansai International Airport (KIX), please get on a limited express train "NANKAI rapi:t" at Kansai airport station, and get off at Namba Station. Then, please get on a subway train (Sennichimae Line) at Namba (Station No. S16), and get off at Nipponbashi Station (Station No. S17).
If you are coming to our firm from Shin-Osaka, please get on a subway train (Midosuji Line) at Shin-Osaka (Station No. M13), and get off at Nipponbashi Station (Station No. S17) via Namba (Station No. M20).
Then, please go up to the ground level from Exit 5 of Nipponbashi Station, and turn to the right. You will see our firm on the left side (10 seconds from Exit 5).
As for "Subway Route Map", please click the following URL:
https://subway.osakametro.co.jp/img/osakametro_rosenzu.pdf