Sustainable Impact Advisory

Turning sustainability ambition into measurable impact.

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About SIA

Our Vision and Mission

Our Vision

We envision a world where everyone contributes to a sustainable future, being the advisory firm of choice in strategic consultancy for sustainability solutions.

Our Mission

To support organisations and businesses turn sustainability ambition into measurable impact.

Our Services

Strategy Formulation

We work with organisations to understand their current state and explore opportunities to improve their sustainability and ESG ambitions. We recognise that many organisations may already be practising positive sustainability actions, so we work closely with you to identify and incorporate existing practices into your ESG strategy.

Strategy development

Gap analysis and sustainability strategy development.

Risk Mapping

Sustainability risk mapping and opportunity identification.

ESG Metrics

Development of metrics aligned with GRI and ISSB standards for monitoring and reporting.

Decarbonisation

Decarbonisation strategy and roadmap development.

Our Services

Organisational Capacity Building


Our Services

Reporting Services

We have the expertise to help with all aspects of sustainability reporting, including alignment with the Global Reporting Initiative (GRI) and International Sustainability Standards Board (ISSB). We work closely with clients to prepare bespoke reports that reflect commitment, ambition, and performance establishing baselines, KPIs, and data infrastructure for effective internal and external ESG reporting.


Gap Assessments

Between existing disclosures and key sustainability reporting frameworks.

Content Drafting

Using proprietary software solutions through our partners, with independent expert review.

Benchmarking

Against industry peers and globally recognised standards.

Carbon Accounting

Emissions inventory and carbon footprint assessment.

Our Services

Project Sustainability Services

In our changing world, sustainability in projects is more important than ever. Building sustainability into the vision at the very start of a project — as a key requirement from the outset — ensures it can't be traded or forgotten across the project lifecycle, from creation through to disposal and decommissioning.

Project Impact Analysis

Assessing the sustainability impact of project outputs and outcomes.

Stakeholder Engagement

Management, monitoring, and evaluation activities throughout the project.

Risk Assessment

Identifying factors that could affect the project's sustainability throughout and beyond.

Sustainability Initiatives

Design and support of implementation to achieve the highest impact.

Our Team

Core Team Members

Rebecca Hichilo Silolezya

Chartered Accountant and Certified Sustainability Professional. Over 18 years of experience, most recently as Country Sustainability Leader at PwC Zambia. GRI-certified Sustainability Professional and member of key sustainability working groups in Zambia.

Luwi Kapepa

Sustainability professional with a background in accounting, audit, and advisory. 3 years at KPMG Zambia and 2 years as an independent consultant. Holds sustainability certifications from the University of Cambridge and Nottingham Trent University.

Noel Kafwimbi

Sustainability professional and graduate Energy Engineer; member of the Engineering Institute of Zambia. Holds a Bachelor's in Bioenergy Science and Technology and IFRS S1 & S2 certificates. Supported ESG reporting and carbon markets at PwC Zambia.

Our Expertise

Our Network of Experts

We collaborate with a diverse network of subject matter experts, ensuring our clients benefit from specialised knowledge and cutting-edge insights across various critical areas of sustainability.

Carbon Markets

Specialists in carbon offsetting, emissions trading, and navigating global carbon credit mechanisms to support decarbonisation strategies effectively.

Sustainable Finance

Experts in green bonds, ESG investing, impact finance, and structuring sustainable lending solutions for responsible and ethical growth.

Sustainability Reporting

Proficient in advanced sustainability reporting frameworks, data analytics, and ensuring compliance with evolving international disclosure standards.

Our Clients

Trusted Partners

We are proud to partner with a diverse range of organisations, helping them achieve their sustainability goals and drive positive impact. Our commitment to excellence and tailored solutions has earned us the trust of industry leaders across various sectors.

IFRS S1 and S2 Technical Training for an Energy Company

ESG and Green Finance Executive Training for a Financial Institution

Sustainability Leadership Training for a Leading Agribusiness

Training for ESG Steering Committee for a Financial Institution

ESG Assurance Training for a Leading Agribusiness

Sustainability Leadership Training for an Energy Company

Contact Us

Get in Touch

Address

6th Floor, ZEP-RE Business Park, C/O Bongo Hive Coworking, Alick Nkhata Road, Lusaka, Zambia

Phone

+260 962 144 986

Social Media

SustainableImpactAdvisory