Exponent-backed Ethos Engineering has acquired 3DEC, a technology design consultancy. 3DEC serves data centres, commercial workplaces, and educational environments, expanding Ethos's portfolio in the critical infrastructure and building systems market.

Private equity firm Exponent previously backed Ethos, signaling a strategic roll-up in the engineering services sector. This move consolidates expertise in designing modern facilities, a growing need as companies upgrade IT infrastructure and office spaces for hybrid work models.

The deal provides 3DEC's clients access to Ethos's broader engineering resources. For Exponent, it's a classic add-on acquisition, building a larger platform. Watch for further integrations and how the combined entity competes with larger engineering and construction firms.