History:Founded: 1972 (as Geneve-Versoix Basket)
Founded: 2010 (as Lions de Geneve) taking over after Geneva Devils
League achievements:
Swiss League Champion -2013, 15, 25Swiss League Finalist -2005, 12, 17, 18, 19, 26 Swiss League Semifinals -2004, 07, 11, 14, 16, 22, 23, 24 Swiss League Regular Season Champion -2013, 15, 21 Swiss League Regular Season Runner-Up -2005, 16, 18, 19, 25, 26 Swiss Cup Winner -2004, 14, 17, 21, 25 Swiss Cup Finalist -2016, 19, 24, 26 Swiss Cup Semifinals -2007, 11, 12, 15, 18 Swiss League Cup Winner -2004, 13, 15, 19, 21 Swiss League Cup Finalist -2014, 25 Swiss League Cup Semifinals -2012, 16, 22, 24 Swiss Supercup Winner -2018, 19, 20 Swiss Supercup Finalist -2016, 21, 22
European cups:
1996-1997: Korac Cup |
League positions:
| Season | Tier | Division | W-L | Position + PlayOff | Cup | Supercup | European competitions |
|---|---|---|---|---|---|---|---|
| 1978-79 | 3 | 1LN | |||||
| 1979-80 | 3 | 1LN | |||||
| 1980-81 | 3 | 1LN | |||||
| 1981-82 | 3 | 1LN | |||||
| 1982-83 | 3 | 1LN | |||||
| 1983-84 | 3 | 1LN | |||||
| 1984-85 | 3 | 1LN | |||||
| 1985-86 | 3 | 1LN | |||||
| 1986-87 | 3 | 1LN | |||||
| 1987-88 | 3 | 1LN | |||||
| 1988-89 | 3 | 1LN | |||||
| 1989-90 | 3 | 1LN | |||||
| 1990-91 | 3 | 1LN | |||||
| 1991-92 | 3 | 1LN |  | ||||
| 1992-93 | 2 | LNB | 1st  | ||||
| 1993-94? | 2 | LNB | 1st | ||||
| 1994-95 | 2 | LNB | 2nd  | ||||
| 1995-95? | 2 | LNB | 11-6 | 4th, lost in Semis 2-3 to Fribourg | |||
| 1995-96 | 1 | LNA | 11-6 | 4th, lost in Semis 2-3 to Fribourg | |||
| 1996-97 | 1 | LNA | lost in Finals 1-2 to Fribourg | Korac Cup | |||
| 1997-98 | 1 | LNA | 8-9 | 6th | Finalist | ||
| 1998-99 | 1 | LNA | 6th | ||||
| 1999-00 | 1 | LNA | 7th, lost in Quarterfinals 0-2 to WBT Vacallo | Finalist | |||
| 2000-01? | 1 | LNA | 9-13 | 5th, lost in Quarterfinals 0-2 to Fribourg | |||
| 2001-02 | 1 | LNA | 15-12 | 3rd, beat Riviera 2-0 in the Quarterfinals | |||
| 2002-03 | 1 | LNA | 12-15 | 6th, lost in Quarterfinals 0-2 to Monthey | |||
| 2003-04 | 1 | LNA | 14-8 | 3rd, lost in Semis 1-3 to Fribourg | Winner | ||
| 2004-05 | 1 | LNA | 15-7 | 3rd lost in Final 1-3 to Monthey | |||
| 2005-06 | 1 | LNA | 10-12 | 7th, lost in Quarterfinals 1-3 to Lugano | |||
| 2006-07 | 1 | LNA | 12-8 | 6th, lost in Semis 0-3 to Lugano | |||
| 2007-08 | 1 | LNA | 10-12 | 8th, lost in Quarterfinals 0-3 to Fribourg | |||
| 2008-09 | 1 | LNA | 5-16 | 10th | Finalist | ||
| 2009-10? | 1 | LNA | 12-18 | 8th, lost in Quarterfinals 0-3 to Lugano | |||
| 2010-11 | 1 | LNA | 19-8 | 3rd, lost in Semis 1-3 to Fribourg | |||
| 2011-12 | 1 | LNA | 18-6 | 3rd lost in Finals 2-3 to Lugano | |||
| 2012-13 | 1 | LNA | 22-4 | 1st beat Lugano 3-2 in the Finals | |||
| 2013-14 | 1 | LNA | 15-13 | 4th, lost in Semis 1-3 to Lugano | Winner | ||
| 2014-15 | 1 | LNA | beat Union NE 4-1 in the Finals | ||||
| 2015-16 | 1 | LNA | 21-6 | 2nd  lost in Semis 0-3 to Union NE | Finalist | ||
| 2016-17 | 1 | SBL | beat Monthey 4-2 in the Finals | Winner | |||
| 2017-18 | 1 | SBL | lost in Finals 1-4 to Fribourg | ||||
| 2018-19 | 1 | SBL | lost in Finals 0-3 to Fribourg | Finalist | |||
| 2019-20 | 1 | SBL | 16-4 | 3rd | Winner | ||
| 2020-21 | 1 | SBL | 21-3 | 1st, lost in Q-Finals 1-2 to Starwings | Winner | ||
| 2021-22 | 1 | SBL | 14-13 | 4th, lost in Semis 1-3 to Fribourg | |||
| 2022-23 | 1 | SBL | 19-11 | 3rd, lost in Semis 0-3 to Fribourg | |||
| 2023-24 | 1 | SBL | 16-11 | 4th lost in Semis 1-3 to Fribourg | Finalist | ||
| 2024-25 | 1 | SBL | 21-3 | 2nd beat Fribourg 3-1 in the Final | Winner | ||
| 2025-26 | 1 | SBL | 19-5 | 2nd lost in Final 1-3 to Fribourg | Finalist |
