DBS main endeavor has always been to expand and diversify its services. DBS has made its presence felt in all metros of the country, by providing the right office solutions to a wide clientele. This is a timeline that tells the store of DBS expansion to keep pace with the times.
| Year | Event | |
| 1980 | First Center established in Mumbai | |
| 1981 | Delhi Center opened | |
| 1982 | Mumbai Expansion | |
| 1982 | Opening of Chennai Center | |
| 1983 | Kolkata Center Opened | |
| 1983 | Opening of Bangalore Center | |
| 1984 | Hyderabad Center opened | |
| 1986 | Kolkata major expansion | |
| 1988 | Delhi major expansion | |
| 1989 | Chennai exclusive building | |
| 1991 | Mumbai expansion | |
| 1993 | Bangalore exclusive building | |
| 1993 | Mumbai major expansion | |
| 1999 | DBS House (Mumbai Center II opens) | |
| 2000 | DBS House - Mumbai Branch at Fort received UNESCO Heritage Award Winning Building (2000) |
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| 2002 | Mumbai Galleria Launch | |
| 2002 | Chennai Galleria Launch | |
| 2003 | The New Kolkata Exclusive Center. | |
| 2004 | The New Hyderabad Exclusive Center. | |
| 2006 | DBS Business Center celebrates its 25th year of operation. An international conference was held on 12/03/2006 in Mumbai to mark this occasion. |
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| 2007 | DBS launches its customised web-based internet (intranet) application “DBSnet”. The objective of this system is to provide real time client’s balances for various services availed of and smooth handling of the billings at all DBS Centers in India . |