RMB Named Africa’s Best ESG Bank as Sustainable Finance Takes Centre Stage

Sustainable finance in Africa is starting to look less like a specialist corner of banking and more like the main business.

Rand Merchant Bank, better known as RMB, has been named Africa’s Best Bank for Environmental, Social and Governance initiatives in the 2026 Euromoney Awards for Excellence. The recognition comes after a year of bigger sustainable finance transactions, new transition funding structures and growing investment in projects linked to Africa’s social and environmental priorities.

The award is useful for RMB. The numbers behind it are more interesting.

During 2025, the bank facilitated ZAR80.7 billion in sustainable and transition finance through 77 loans and bonds. A year earlier, it handled ZAR70.8 billion across 64 transactions. Sustainable finance advances also increased from 14% of its investment banking portfolio in June 2024 to 23% by December 2025.

That is not a side project anymore.

RMB Reaches Its Sustainable Finance Target Ahead of Schedule

RMB is the corporate and investment banking division of FirstRand, one of Africa’s largest financial services groups. It had been working toward a group target of facilitating ZAR200 billion in sustainable and transition finance by 2026.

The bank reached that figure a year early.

FirstRand has now replaced the earlier target with a much larger ambition: mobilising ZAR450 billion in sustainable and transition finance by 2030. The new goal reflects growing demand for capital that can support renewable energy, industrial decarbonisation, climate resilience and social development without ignoring the practical realities of doing business across African markets.

There is an obvious business argument here. Companies need financing to modernise ageing infrastructure, reduce emissions and meet tougher sustainability requirements. Investors are also asking harder questions about climate exposure, governance and social impact.

Banks that can structure those deals have something valuable to sell.

ESG Is Being Built Into Everyday Lending Decisions

RMB does not assess climate risk only when a client applies for a green loan.

The bank uses a four-colour climate classification system across its lending portfolio. Clients and financing facilities are assessed as green, olive, grey or brown depending on their environmental impact and readiness for the transition to a lower-carbon economy.

Green and olive assets are expected to account for at least 40% of the portfolio by 2030. RMB is also targeting a minimum 80% renewable energy mix within the power generation projects it finances and has committed to reaching net-zero financed emissions by 2050.

This is where the ESG debate becomes less abstract.

A climate classification attached to every facility can influence which projects receive capital, how risks are priced and what conditions borrowers may need to meet. It turns sustainability from a corporate statement into part of the credit process.

Not glamorous. Quite important.

Large Transactions Are Testing What Sustainable Finance Can Do

One of RMB’s standout transactions was a ZAR9 billion syndicated sustainability-linked loan for private healthcare group Mediclinic.

Completed in October 2025, it was described by Euromoney as South Africa’s largest syndicated sustainable finance transaction at the time. The loan’s pricing is linked to measurable performance targets covering greenhouse gas emissions, water management and the diversion of waste from landfill.

The structure matters because the money is not limited to a single solar farm or obviously green asset. Instead, the borrower receives financing for its broader operations while accepting financial incentives to improve specific sustainability outcomes.

RMB also arranged transition financing for Genser Energy, supporting changes to gas infrastructure and efforts to reduce routine gas flaring. These are more complicated deals. They sit between today’s carbon-intensive economy and the cleaner systems governments and investors say they want.

That uncomfortable middle ground is where much of Africa’s transition financing will probably happen.

Social Finance Carries More Weight in African Markets

Global ESG discussions are often dominated by carbon emissions. Africa’s financing needs are wider.

Job creation, healthcare access, digital connectivity, financial inclusion and support for women-owned businesses can be just as urgent as emissions reduction. RMB has leaned into that difference rather than treating social investment as a secondary category.

In March 2025, the bank arranged FirstRand’s first Women in Business social bond. The ZAR2.5 billion bond was created to finance qualifying enterprises led by women entrepreneurs. Demand was strong, with investor bids reaching nearly three times the amount offered.

The structure also came with accountability conditions. Proceeds must be allocated to eligible projects within 24 months, with a financial penalty applying if that deadline is missed.

RMB also supported a $21 million social loan for Bandwidth and Cloud Services, a wholesale telecommunications infrastructure provider. The transaction helped move the company from development finance funding toward commercial capital while supporting wider access to digital infrastructure.

This part of sustainable finance rarely gets the loudest headline. It may have the most visible effect on everyday economic participation.

Transition Finance Is Becoming a Real Market

Africa cannot simply stop financing mining, manufacturing, cement, transport or conventional energy infrastructure overnight. These sectors employ people, generate exports and support industrial growth.

The question is whether banks can help those industries reduce their environmental impact without starving them of capital.

FirstRand published a transition finance framework in December 2025, with RMB acting as its exclusive transition finance adviser. The framework was independently assessed by Moody’s and designed to align with both the International Capital Market Association’s Climate Transition Finance Handbook and Loan Market Association guidance.

RMB has already used the framework to support a $150 million facility from British International Investment. The funding is intended for transition loans in areas such as energy, cement and other industrial sectors across Africa.

This is not pure green finance. It is funding for businesses that still produce emissions but have a credible path toward reducing them.

Whether that path is genuinely credible will remain the difficult part.

Better ESG Data Could Unlock More Sustainable Lending

A surprising amount of sustainable finance gets stuck on basic information.

Banks may want to fund lower-carbon projects but lack reliable emissions data. Companies may have useful sustainability programmes but cannot present them in a format lenders and investors trust. Reporting standards differ. Records are incomplete. Comparisons become difficult.

RMB has been piloting Endura, an ESG and climate data platform intended to improve the quality and consistency of sustainability information used by financial institutions.

Rather than keeping the platform as a private internal tool, the bank plans to make it available to other lenders. The idea is to create something closer to a shared industry standard.

That could prove more influential than a single headline transaction.

More consistent data would make it easier to compare borrowers, monitor sustainability targets and identify projects that are suitable for green, social or transition finance. It could also expose weak claims more quickly.

Both outcomes are needed.

RMB Is Also Helping Shape Africa’s Sustainable Capital Markets

RMB’s role goes beyond lending its own money.

The bank acted as sustainability coordinator for South Africa’s National Treasury as it developed a sustainable funding framework. It also contributed to the country’s green finance taxonomy and supported sustainability initiatives involving stock exchanges in Botswana and Zambia.

These frameworks can sound painfully technical. They decide what counts as sustainable, how projects should be disclosed and what information investors need before committing capital.

Without that groundwork, the market becomes vulnerable to vague labels and greenwashing.

Africa still faces a huge gap between the amount of climate and development finance it needs and the amount currently available. Governments alone are unlikely to close it. Development finance institutions cannot carry the full burden either.

Commercial banks will have to step in.

What RMB’s ESG Award Really Signals

Being named Africa’s Best Bank for ESG is an achievement for RMB, but the wider message is about where African finance is heading.

Sustainability is becoming part of mainstream lending, investment banking and capital markets. It is appearing in hospital loans, telecommunications infrastructure, women-led businesses, renewable energy projects and the difficult transition of heavy industry.

The shift will not be tidy.

Africa needs economic growth, affordable energy, jobs and industrial development. It also needs stronger climate resilience and lower-emission infrastructure. Those priorities will occasionally clash, and no financial framework will remove the tension completely.

RMB’s recent activity shows how banks are starting to work inside that tension rather than pretending it does not exist.

That may be the bigger reason the award matters.