Management consulting, certifications, and training in ISO, IATF, VDA, ESG, and GHG calculation & validation.
Driving compliance, efficiency, and sustainable growth.
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Our Approach
We operate as an independent management consultancy, supporting organizations in achieving compliance, certification, and sustainable performance through smart solutions.
We believe excellence in standards, sustainability, and operational performance is built through collaboration and shared expertise.
Acting as catalysts for transformation, we partner with industry experts to develop capabilities, systems, and methodologies that ensure audit readiness, regulatory alignment, and long-term impact.
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Scope of Services
At D2D Group, we accelerate the shift toward integrated compliance, certification, and sustainability-driven performance.
By linking management system standards (ISO, IATF, VDA) with ESG strategy and GHG measurement and validation, we help organizations align processes, culture, and regulatory requirements.
This enables both industry leaders and challengers to strengthen audit readiness, ensure compliance, and unlock sustainable operational excellence
Trainings and Certification
Management Consulting
GHG Calculation and Validation
Product & Service Optimisation
A word from the management
I am Andjelka Sergienko, founder of D2D Management Consulting RS.
With deep experience in operational excellence, quality, and EHS, I work with organizations to simplify complexity, eliminate waste, and build resilient, high-performance systems. My approach is rooted in lean thinking, disciplined execution, and strong people engagement — ensuring results that are measurable, sustainable, and embedded in daily operations.
I partner closely with leaders and teams to turn strategy into execution and continuous improvement into a competitive advantage.
Mission Statement
We enable sustainable performance by embedding lean thinking, operational discipline, and a culture of continuous improvement.