With People. By Tech. For Impact.

15 years of Responsible
& Sustainable Practices

Sustainable Square is an ESG firm offering sustainability advisory, technology intelligence, and capital solutions to shape how organisations approach ESG disclosure and long-term value creation.

The story behind

Sustainable Square

Sustainable Square was built on a simple belief: that sustainability, done properly, is a powerful lever for long-term organizational performance.

For 15 years, we've combined advisory expertise with technology to help organisations move from ambition to impact, working at the intersection of sustainability, finance, regulation, and technology.

Our approach blends strategic thinking with practical execution, ensuring sustainability translates into more than just frameworks or reports.

This is driven by a culture that values proactivity, resourcefulness, integrity, and reliability, where teams anticipate change, solve with creativity, act with transparency, and deliver work that clients can rely on.

Regional Expertise,

Global Standards

Deep GCC market knowledge combined with global ESG frameworks — IFRS, GRI, TCFD, SBTi, CSRD, and more.

Integrated

Advisory + Technology,

Squarely gives advisory work a permanent data backbone. Strategy and technology move together, not in silos.

Financial

Materiality First

Every recommendation is anchored to measurable impact, from cost of capital to regulatory compliance.

Execution

That Sticks

We focus on strengthening internal capabilities so sustainability strategies translate into action.

The team

behind the work

Behind Sustainable Square is a team of experts and executors that understands sustainability from every angle: strategy, reporting, operations, and execution. Combining strategic thinking with practical implementation, our team helps clients move from ambition to action.

Monaem Ben Lellahom

Monaem Ben Lellahom

Founding Partner & Group CEO

Eric Hensel

Eric Hensel

Co-Founder and Chief of Staff

Hana Alawi

Hana Alawi

Partner & Chief of Audits

Houssam Hajlaoui

Houssam Hajlaoui

Head of Technology

Priya Baheti

Priya Baheti

Head of Finance & Legal

Wafa Memmi

Wafa Memmi

Head of People & Operations

Fatima Al Attar

Fatima Al Attar

Squarely Product Manager

David Howell

David Howell

Lead ESG & Sustainability Advisor

Svenja Weber

Svenja Weber

Sr. ESG & Sustainability Advisor

Poonam Nagarkoti

Poonam Nagarkoti

Lead Climate & Sustainability Advisor

Dinah Gengmei

Dinah Gengmei

Sr. Climate & Sustainability Advisor

Abir Saidi

Abir Saidi

Regional BD Manager

Ghinwa Jassar

Ghinwa Jassar

Regional BD Manager

Khalil Tarhouni

Khalil Tarhouni

Squarely Growth Manager

Nishant Bhatarai

Nishant Bhatarai

ESG & Sustainability Advisor

Lekshmi Nair

Lekshmi Nair

Climate & Sustainability Advisor

Ana Leonor Fernandes

Ana Leonor Fernandes

Marketing Manager

Sevval Kapankaya

Sevval Kapankaya

Squarely Product Coordinator

Mariem Matri

Mariem Matri

Lead Backend Developer

Muhammed Sahal

Muhammed Sahal

Regional BD Coordinator

Ayush Sharma

Ayush Sharma

Finance & Legal Coordinator

Aziz Temani

Aziz Temani

Branding & Design Executive

Nemanja Popović

Nemanja Popović

Sr. DevOps Engineer