This research investigates the gap between sustainability ambitions and practical implementation among Canadian Small and Medium-sized Enterprises (SMEs). Through literature review, interviews, and data analysis, the study identifies three critical implementation thresholds for SME’s: stuck in ambiguity, buried in complexity, and struggling to start. The findings reveal that purpose serves as a foundational element rather than one of four equal pillars in the quadruple bottom line framework. SMEs demonstrate strong purpose-driven values aligned with sustainability principles, but face systemic barriers including emotional factors, resource constraints, and fragmented support systems. The paper reconceptualizes sustainability as an ongoing process of building organizational capacity while resilience represents the mobilization of that capacity during disruptions. This leads to a recommendation of ten practical interventions addressing barriers within and outside of SMEs control. This research provides actionable pathways for SMEs to strengthen their sustainability implementation and enhance overall resilience.

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