dss⁺ is the operational transformation partner for complex and high-hazard industries. Driven by our purpose, we help organisations achieve breakthroughs in safety, performance and sustainability that build business endurance and ensure long-term success. We engage deeply within organisations to empower teams to shift mindsets, shape cultures, and establish the capabilities required at every level. We combine technical expertise and operational experience with a people-centred approach and data-driven insight.
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dss+ Questions
The dss+ annual revenue was $75.1 million in 2026.
Davide Vassallo is the CEO of dss+.
1,129 people are employed at dss+.
dss+ is based in Le Grand Saconnex, Geneva.
The NAICS codes for dss+ are [541614, 54161, 5416, 541, 54].
The SIC codes for dss+ are [8748, 874, 87].
Top dss+ Employees
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Davide Vassallo
Chief Executive Officer at dss+
Geneva, GE, CH25+ -
Sebastien Planche
Managing Director at dss+
Geneva, GE, CH35+ -
Mathieu Leduc
Managing Director at dss+
Geneva, Switzerland12 -
David Rochat
Global Director Sustainability Services at dss+
Geneva, Switzerland33 -
Romulo Jabbour
Head of FP and A, Americas at dss+
Florida, United States21 -
Adele Clarke
HR Director, Europe Middle East and Africa (EMEA) at dss+
United Arab Emirates24 -
Mark Elia
ASEAN Director at dss+
Bangkok, TH3 -
Sean Jump
North American Director, Oil and Gas at dss+
Houston, TX, US23 -
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