Backing What Matters
Infrastructure is built over decades, not quarters.
Runnerstone's funds provide long-term capital to the assets, businesses and platforms that help move Africa forward, creating value for investors while supporting growth across the continent.
Built on disciplined investing and active ownership, our funds focus on opportunities where capital can accelerate growth, strengthen essential infrastructure and deliver lasting impact.
Our investment approach is grounded in a simple belief: active, disciplined capital creates lasting value.
We invest across Africa, focusing on opportunities where strong fundamentals, experienced partners and long-term trends align.
From new developments to established operating businesses, we work closely with management teams and stakeholders to support growth, strengthen performance and unlock value over time.
African Perspective
We invest across the continent, with a strong focus on sub-Saharan Africa's highest-potential markets.
Active Ownership
We work closely with management teams, providing strategic support and operational insight throughout the investment lifecycle.
Responsible Investing
Environmental, social and governance considerations are embedded throughout our investment process and decision-making.
Long-Term Capital
We take a patient approach, recognising that infrastructure assets are built and improved over time.
Disciplined Execution
Every investment is guided by rigorous analysis, careful risk management and a focus on sustainable value creation.

Active Investments
Paradigm

Paradigm aims to build a portfolio of approximately 5,000 towers across Sub-Saharan Africa over the next five years through the acquisition of operating tower companies and the rollout of new build-to-suit tower opportunities in markets with high demand for digital infrastructure.

Rwanda
Emerald Renewables

Emerald Renewables is developing Eswatini’s first large-scale wood pellet manufacturing plant, converting sustainably sourced pine and eucalyptus sawmill residues into certified renewable biomass fuel for international energy markets.
By transforming waste materials into high-quality industrial-grade pellets, the project enables coal displacement at utility-scale power plants, delivering significant carbon emission reductions. The plant benefits from a long-term, bankable offtake agreement with an established European biomass operator, ensuring revenue certainty from the outset.
Developed through a strategic partnership between Emerald, Lesedi Nuclear Services, and Usutu Forest Products, and supported by funding from RUNNERSTONE FUND II, the project is anchored by experienced partners and strong market fundamentals.

Eswatini
Mawingu

Mawingu Networks Limited (Mawingu) is Kenya’s largest peri-urban internet service provider (ISP), delivering connectivity to underserved and hard-to-reach areas through a hybrid wireless and fibre-optic network. The company deploys cost-efficient wireless infrastructure to establish initial market presence, and transitions to fibre once customer density reaches scale, enhancing service quality, reducing latency, and supporting long-term customer retention.

Kenya
Tanzania
PAHL

PRIF Africa Holdings Limited (PAHL) is an investment holding company established to invest in data centre assets across Africa in partnership with Digital Realty. Its portfolio includes the former iColo operations in Kenya and Mozambique, now operating under the Digital Realty brand, and Digital Africa, which operates in Nigeria and Ghana. These companies specialise in designing, building and operating state-of-the art carrier-neutral data centres across east and west Africa.

Kenya
Mozambique
Nigeria
Ghana
GridX Africa

GridX Africa develops and finances solar and battery storage solutions for commercial and industrial clients across sub-Saharan Africa, delivering cleaner, more reliable, and cost-effective power. The platform serves a diverse range of sectors, including hospitality, agribusiness, and industrial operations, with an established operating footprint across East and Southern Africa.
RUNNERSTONE FUND I’s investment supports the rollout of GridX Africa’s pipeline of solar and storage projects, enabling the platform to scale its operations and advance its pan-African growth strategy within the distributed energy sector.

Mauritius
Kenya
Tanzania
Mozambique
Democratic Republic of Congo
South Africa
Lumos Global

Lumos Global provides affordable, off-grid solar home systems to households and small businesses with limited or unreliable grid access across West Africa. Its solutions enable customers to replace diesel generators and kerosene lighting with cleaner, safer, and more cost-effective electricity, significantly reducing carbon emissions.
Through strategic partnerships, Lumos has established a scalable distribution model and is well positioned to expand its footprint into additional high-growth markets with constrained access to reliable electricity.

Nigeria
Côte d'Ivoire
Railco Africa

Railco Africa is a rail leasing and logistics platform formed through the merger of GPR Leasing Africa and Africa Rolling Stock Solutions, creating a scaled operator with a diversified fleet and broadened African footprint. The company provides flexible, fit-for-purpose rolling stock solutions, including locomotives and wagons, supported by maintenance, financing, and operational services.
With a well-maintained fleet operating across multiple markets, Railco enables efficient and cost-effective freight logistics, particularly for bulk and mining sectors. The platform is further supported by access to experienced rail operators and integrated logistics expertise, positioning it as a key enabler of reliable and sustainable freight transport across the region.

Mozambique
Namibia
South Africa
Sierra Leone
Zimbabwe
Zambia
Tanzania
Mauritius
Paradigm
Paradigm aims to build a portfolio of approximately 5,000 towers across Sub-Saharan Africa over the next five years through the acquisition of operating tower companies and the rollout of new build-to-suit tower opportunities in markets with high demand for digital infrastructure.


Rwanda
Emerald Renewables
Emerald Renewables is developing Eswatini’s first large-scale wood pellet manufacturing plant, converting sustainably sourced pine and eucalyptus sawmill residues into certified renewable biomass fuel for international energy markets.
By transforming waste materials into high-quality industrial-grade pellets, the project enables coal displacement at utility-scale power plants, delivering significant carbon emission reductions. The plant benefits from a long-term, bankable offtake agreement with an established European biomass operator, ensuring revenue certainty from the outset.
Developed through a strategic partnership between Emerald, Lesedi Nuclear Services, and Usutu Forest Products, and supported by funding from RUNNERSTONE FUND II, the project is anchored by experienced partners and strong market fundamentals.


Eswatini
Mawingu
Mawingu Networks Limited (Mawingu) is Kenya’s largest peri-urban internet service provider (ISP), delivering connectivity to underserved and hard-to-reach areas through a hybrid wireless and fibre-optic network. The company deploys cost-efficient wireless infrastructure to establish initial market presence, and transitions to fibre once customer density reaches scale, enhancing service quality, reducing latency, and supporting long-term customer retention.


Kenya
Tanzania
PAHL
PRIF Africa Holdings Limited (PAHL) is an investment holding company established to invest in data centre assets across Africa in partnership with Digital Realty. Its portfolio includes the former iColo operations in Kenya and Mozambique, now operating under the Digital Realty brand, and Digital Africa, which operates in Nigeria and Ghana. These companies specialise in designing, building and operating state-of-the art carrier-neutral data centres across east and west Africa.


Kenya
Mozambique
Nigeria
Ghana
GridX Africa
GridX Africa develops and finances solar and battery storage solutions for commercial and industrial clients across sub-Saharan Africa, delivering cleaner, more reliable, and cost-effective power. The platform serves a diverse range of sectors, including hospitality, agribusiness, and industrial operations, with an established operating footprint across East and Southern Africa.
RUNNERSTONE FUND I’s investment supports the rollout of GridX Africa’s pipeline of solar and storage projects, enabling the platform to scale its operations and advance its pan-African growth strategy within the distributed energy sector.


Mauritius
Kenya
Tanzania
Mozambique
Democratic Republic of Congo
South Africa
Lumos Global
Lumos Global provides affordable, off-grid solar home systems to households and small businesses with limited or unreliable grid access across West Africa. Its solutions enable customers to replace diesel generators and kerosene lighting with cleaner, safer, and more cost-effective electricity, significantly reducing carbon emissions.
Through strategic partnerships, Lumos has established a scalable distribution model and is well positioned to expand its footprint into additional high-growth markets with constrained access to reliable electricity.


Nigeria
Côte d'Ivoire
Railco Africa
Railco Africa is a rail leasing and logistics platform formed through the merger of GPR Leasing Africa and Africa Rolling Stock Solutions, creating a scaled operator with a diversified fleet and broadened African footprint. The company provides flexible, fit-for-purpose rolling stock solutions, including locomotives and wagons, supported by maintenance, financing, and operational services.
With a well-maintained fleet operating across multiple markets, Railco enables efficient and cost-effective freight logistics, particularly for bulk and mining sectors. The platform is further supported by access to experienced rail operators and integrated logistics expertise, positioning it as a key enabler of reliable and sustainable freight transport across the region.


Mozambique
Namibia
South Africa
Sierra Leone
Zimbabwe
Zambia
Tanzania
Mauritius
Exited Investments
Zimborders

Zimborders is a Public-Private Partnership (PPP) established to upgrade and modernise the Beitbridge Border Post, the busiest land border crossing in Southern Africa and a critical gateway for regional trade. Delivered through a long-term public-private partnership, the project has transformed border infrastructure, significantly improving capacity, efficiency, and security for freight and passenger movements.
The upgraded border post enhances regional trade and logistics by reducing congestion, lowering transit times, and improving the movement of goods across the region. The project also includes complementary community infrastructure, positioning Zimborders as a flagship example of infrastructure-led trade facilitation and public-private partnership delivery in Africa.
The Fund successfully exited the investment in June 2026.

Zimbabwe
Gas Holdco

Gas HoldCo is a natural gas infrastructure platform focused on delivering cost-effective energy solutions to industrial users in South Africa. In partnership with Energy Group, the platform developed, owns, and operates natural gas transmission pipelines to support reliable and efficient energy supply for manufacturing operations.
The investment forms part of a broader strategy to expand gas infrastructure as a lower-cost and lower-emission alternative within the regional energy mix.
The Fund successfully exited the investment in November 2025.

South Africa
SolarSaver

SolarSaver is a distributed solar platform providing rooftop photovoltaic solutions to commercial and industrial clients across Southern Africa. Using a proprietary zero-capital, rent-to-own model, the platform enables businesses to reduce electricity costs by generating on-site renewable energy without upfront investment or operational complexity.
With a diversified portfolio of over 700 installations across multiple markets, SolarSaver scaled a flexible and capital-efficient model supporting both small and large energy users.
The Fund successfully exited the investment in November 2025.

Namibia
South Africa
Botswana
Zambia
ETG

ETG is one of Africa’s leading vertically integrated agribusinesses, operating across the agricultural value chain through procurement, warehousing, processing, distribution, and merchandising. The company serves thousands of smallholder farmers and employs more than 7,000 people across Africa, the Middle East, North America, and Asia.
Through an extensive network of warehouses and processing facilities, ETG is a market leader in key agricultural commodities, including maize, pulses, sesame, cashew nuts, and fertiliser. Its integrated platform and long-term investment in logistics and infrastructure enable efficient market access for farmers while supporting food security and agricultural development across the regions in which it operates.
The Fund successfully exited the investment in December 2020.

Benin
Botswana
Burkina Faso
Burundi
Cameroon
DRC
Djibouti
Côte d’Ivoire
Ethiopia
Gambia
Ghana
Guinea Bissau
Guinea
Kenya
Malawi
Madagascar
Mozambique
Namibia
Nigeria
Rwanda
Senegal
Eswatini
South Africa
Tanzania
Togo
Ugand
Zambia
Zimbabwe
RSAWEB

RSAWEB is a full-service internet service provider offering cloud infrastructure, enterprise connectivity, mobile data management, and fibre broadband solutions. The company has built a strong presence in South Africa, supported by owned data centres and international points of presence, enabling reliable and scalable connectivity solutions.
RUNNERSTONE FUND I’s investment supported RSAWEB’s infrastructure expansion and growth.
The Fund successfully exited the investment in December 2020.

South Africa
Octotel

Octotel is an open-access Fibre To The Home (FTTH) and Business (FTTB) network operator providing connectivity in Cape Town, enabling customers to access services from a wide range of independent internet service providers.
RUNNERSTONE FUND I’s investment supported Octotel’s growth into one of South Africa’s leading independent fibre network operators.
The Fund successfully exited the investment in December 2020.

South Africa
Zimborders
Zimborders is a Public-Private Partnership (PPP) established to upgrade and modernise the Beitbridge Border Post, the busiest land border crossing in Southern Africa and a critical gateway for regional trade. Delivered through a long-term public-private partnership, the project has transformed border infrastructure, significantly improving capacity, efficiency, and security for freight and passenger movements.
The upgraded border post enhances regional trade and logistics by reducing congestion, lowering transit times, and improving the movement of goods across the region. The project also includes complementary community infrastructure, positioning Zimborders as a flagship example of infrastructure-led trade facilitation and public-private partnership delivery in Africa.
The Fund successfully exited the investment in June 2026.


Zimbabwe
Gas Holdco
Gas HoldCo is a natural gas infrastructure platform focused on delivering cost-effective energy solutions to industrial users in South Africa. In partnership with Energy Group, the platform developed, owns, and operates natural gas transmission pipelines to support reliable and efficient energy supply for manufacturing operations.
The investment forms part of a broader strategy to expand gas infrastructure as a lower-cost and lower-emission alternative within the regional energy mix.
The Fund successfully exited the investment in November 2025.


South Africa
SolarSaver
SolarSaver is a distributed solar platform providing rooftop photovoltaic solutions to commercial and industrial clients across Southern Africa. Using a proprietary zero-capital, rent-to-own model, the platform enables businesses to reduce electricity costs by generating on-site renewable energy without upfront investment or operational complexity.
With a diversified portfolio of over 700 installations across multiple markets, SolarSaver scaled a flexible and capital-efficient model supporting both small and large energy users.
The Fund successfully exited the investment in November 2025.


Namibia
South Africa
Botswana
Zambia
ETG
ETG is one of Africa’s leading vertically integrated agribusinesses, operating across the agricultural value chain through procurement, warehousing, processing, distribution, and merchandising. The company serves thousands of smallholder farmers and employs more than 7,000 people across Africa, the Middle East, North America, and Asia.
Through an extensive network of warehouses and processing facilities, ETG is a market leader in key agricultural commodities, including maize, pulses, sesame, cashew nuts, and fertiliser. Its integrated platform and long-term investment in logistics and infrastructure enable efficient market access for farmers while supporting food security and agricultural development across the regions in which it operates.
The Fund successfully exited the investment in December 2020.


Benin
Botswana
Burkina Faso
Burundi
Cameroon
DRC
Djibouti
Côte d’Ivoire
Ethiopia
Gambia
Ghana
Guinea Bissau
Guinea
Kenya
Malawi
Madagascar
Mozambique
Namibia
Nigeria
Rwanda
Senegal
Eswatini
South Africa
Tanzania
Togo
Ugand
Zambia
Zimbabwe
RSAWEB
RSAWEB is a full-service internet service provider offering cloud infrastructure, enterprise connectivity, mobile data management, and fibre broadband solutions. The company has built a strong presence in South Africa, supported by owned data centres and international points of presence, enabling reliable and scalable connectivity solutions.
RUNNERSTONE FUND I’s investment supported RSAWEB’s infrastructure expansion and growth.
The Fund successfully exited the investment in December 2020.


South Africa
Octotel
Octotel is an open-access Fibre To The Home (FTTH) and Business (FTTB) network operator providing connectivity in Cape Town, enabling customers to access services from a wide range of independent internet service providers.
RUNNERSTONE FUND I’s investment supported Octotel’s growth into one of South Africa’s leading independent fibre network operators.
The Fund successfully exited the investment in December 2020.


South Africa