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ARM Cement Limited

ARM Cement Limited was a Kenyan mining and building-materials manufacturer best known for Rhino Cement and its East African cement operations.

Last updated August 31, 2026

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Overview

ARM Cement Limited, formerly known as Athi River Mining Limited and commonly abbreviated to ARM, was a Kenyan mining and manufacturing company headquartered in Nairobi. It developed from an agricultural-lime producer into one of the more significant cement and industrial-minerals businesses in Eastern Africa. Its principal activities included the manufacture and sale of cement, quicklime, hydrated lime, sodium silicate, fertilizers and other industrial minerals. The company was founded in 1974 by Harjivandas J. Paunrana as a producer of agricultural lime. It later expanded into cement production, establishing its first cement factory at Athi River in Kenya. Cement production there began in 1996. ARM also operated a plant in Mombasa and developed cement manufacturing and related activities in Tanzania, including facilities in Tanga and Dar es Salaam. Its main cement brand was Rhino Cement. ARM's business was organized around several operating areas. The cement division supplied construction materials in Kenya and Tanzania and held interests connected with cement businesses in Rwanda and South Africa. Its mineral and chemicals activities included special building products, sodium silicate and industrial minerals. The fertilizers division produced Mavuno Fertilizer at the Athi River facility. This combination gave ARM exposure not only to construction demand but also to agriculture, industrial processing and infrastructure development. The company pursued capacity expansion during the 2010s. A proposed factory in Kitui, Kenya, was intended to increase overall production capacity substantially, with the project described as requiring an estimated investment of approximately US$400 million. In 2014, ARM was reported to have annual cement production of about 2.6 million metric tonnes. The company also maintained a community-investment vehicle, the Rhino Foundation, established in 2010 to support communities in areas where ARM operated. ARM was a public company whose shares traded on the Nairobi Securities Exchange. Pradeep Paunrana, the founder's son, served as managing director and chief executive during the company's operating period. Despite its regional scale and expansion ambitions, ARM later experienced severe financial distress. In 2018 it was placed under administration after becoming unable to service its debts and meet day-to-day obligations. PricewaterhouseCoopers partners George Weru and Muniu Thoithi were appointed joint administrators. Trading in ARM's shares was suspended by the Nairobi Securities Exchange on 8 May 2020. Administrators subsequently pursued asset sales in Kenya, Tanzania, Rwanda and South Africa. They concluded that available asset proceeds were unlikely to satisfy secured and unsecured creditors as well as shareholders, and recommended liquidation. Kenyan operations were later taken over by National Cement, also known as Simba Cement, while Tanzanian operations were taken over by Huaxin Cement. These transactions and the liquidation process marked the effective end of ARM Cement as an independent operating cement group.

History

ARM Cement originated in Kenya in 1974, when Harjivandas J. Paunrana established the business as a producer of agricultural lime. The company later adopted the Athi River Mining name and broadened its activities from agricultural inputs into mining, chemicals and construction materials. Its eventual corporate identity, ARM Cement, reflected the growing importance of cement within the group. A major turning point came with the construction of the company's first cement plant at Athi River. The plant began cement production in 1996, giving ARM a manufacturing base in one of Kenya's principal industrial areas. The company also operated a facility in Mombasa and subsequently expanded its regional presence. In Tanzania, ARM produced cement at facilities in Tanga and Dar es Salaam. It also maintained interests associated with cement businesses in Rwanda and South Africa. The cement business was marketed primarily under the Rhino Cement brand. Alongside cement, ARM manufactured quicklime, hydrated lime, sodium silicate, special building products and other industrial minerals. Its fertilizers division produced Mavuno Fertilizer at Athi River. This portfolio connected the company with construction, infrastructure, agriculture and industrial customers across several East African markets. During the 2010s, ARM sought to increase its production scale. The company was reported to produce approximately 2.6 million metric tonnes of cement annually in 2014. It planned a new factory in Kitui, Kenya, which was expected to require an estimated US$400 million and, if completed, to raise total capacity to approximately five million tonnes per year. ARM also established the Rhino Foundation in 2010 to invest in communities located near its operations. ARM was listed on the Nairobi Securities Exchange and was one of the more prominent cement manufacturers in Eastern Africa. Pradeep Paunrana, the son of the founder, served as managing director and chief executive. The company nevertheless developed substantial financial obligations during its expansion. In 2018, it was placed under administration because it was unable to service debt and meet day-to-day financial commitments. George Weru and Muniu Thoithi of PricewaterhouseCoopers became joint administrators. The administrators attempted to realize value from ARM's assets in Kenya, Tanzania, Rwanda and South Africa. The Nairobi Securities Exchange suspended trading in the company's shares on 8 May 2020. After reviewing the proceeds available from asset sales and the claims of secured and unsecured creditors, the administrators recommended liquidation. The process was expected to begin on 30 September 2021. The collapse resulted in the separation of ARM's operating businesses. National Cement, commonly branded Simba Cement, took over the Kenyan operations, while Huaxin Cement acquired or took over the Tanzanian operations. ARM Cement therefore ceased to function as an independent regional cement group, although some of its plants, brands and operating assets continued under successor ownership.

  • 2021

    Liquidation recommended

    [1]

    Joint administrators recommended liquidation after asset-sale proceeds appeared insufficient to cover creditor and shareholder claims.

  • 2020

    Stock trading suspended

    [1]

    Trading in ARM shares on the Nairobi Securities Exchange was suspended on 8 May.

  • 2018

    Company placed under administration

    [1]

    ARM entered administration after becoming unable to meet its debt-servicing and operating obligations.

  • 2010

    Rhino Foundation established

    [1]

    ARM created the Rhino Foundation to support communities in areas where it operated.

  • 1996

    Athi River cement production begins

    [1]

    Cement production commenced at the Athi River plant.

  • 1994

    First cement factory established at Athi River

    [1]

    ARM established its first cement factory at Athi River, Kenya.

  • 1974

    Company founded as an agricultural-lime producer

    [1]

    Harjivandas J. Paunrana founded the business in Kenya to produce agricultural lime.

Products and positioning

A regional East African producer of cement, lime, fertilizers and industrial minerals serving construction, infrastructure, agriculture and industrial customers.

  • Cement

    Rhino Cement

    Rhino Cement was ARM Cement's principal cement brand. It was manufactured at plants in Kaloleni and Athi River in Kenya and at ARM facilities in Tanga and Dar es Salaam in Tanzania. The brand served construction and infrastructure markets and represented the core commercial identity of ARM's cement division.

  • Fertilizer

    Mavuno Fertilizer

    Mavuno Fertilizer was produced by ARM's fertilizer division at the Athi River facility. It extended the company's original agricultural-lime heritage into manufactured agricultural inputs, giving ARM a business line outside construction materials and linking the group to farming and soil-product markets.

  • Industrial minerals

    Quicklime and hydrated lime

    ARM produced quicklime and hydrated lime as part of its minerals and chemicals activities. These materials served industrial and construction applications and reflected the company's development from agricultural-lime production into a diversified producer of mineral-based inputs.

  • Industrial chemicals and building materials

    Sodium silicate and special building products

    The minerals and chemicals division manufactured sodium silicate, special building products and other industrial minerals. These products broadened ARM's customer base beyond ordinary cement purchasers and supported industrial processing and specialized construction uses.

Marketing campaigns

  • 2010Rhino Foundation community investment

    Kenya · Tanzania · Rwanda · South Africa

    ARM established the Rhino Foundation to invest in communities located in areas where the company maintained operations. The initiative formed the principal community-investment platform associated with the ARM and Rhino Cement businesses.

    Outcome. The foundation remained associated with ARM's community presence, but the available reference material does not specify individual projects or measurable outcomes.

Brand decisions

  • 2021

    Recommend liquidationOther

    Background

    Asset sales in Kenya, Tanzania, Rwanda and South Africa were not expected to produce enough value to satisfy secured and unsecured creditors and shareholders.

    Action taken

    The joint administrators recommended liquidation, with the process expected to begin on 30 September 2021.

    Aftermath

    The company's Kenyan and Tanzanian operations moved to successor owners, including National Cement and Huaxin Cement.

  • 2020

    Suspend stock tradingOther

    Background

    ARM remained under administration and its financial position was unresolved.

    Action taken

    The Nairobi Securities Exchange suspended trading in ARM Cement shares on 8 May 2020.

    Aftermath

    ARM's public-market trading remained suspended while administrators evaluated asset sales and creditor claims.

  • 2018

    Enter administrationOther

    Background

    ARM was unable to service its debts and meet ordinary day-to-day financial obligations.

    Action taken

    The company was placed under administration, with George Weru and Muniu Thoithi of PricewaterhouseCoopers appointed as joint administrators.

    Aftermath

    The administrators pursued asset sales and later recommended liquidation.

Recent events

  • 2021

    Administrators recommend liquidation[1]

    Bankruptcy

    After asset sales in several countries, ARM's administrators recommended liquidation because expected proceeds were insufficient to satisfy secured and unsecured creditors and shareholders.

  • 2020

    Trading in ARM Cement shares suspended[1]

    Bankruptcy · Regulation

    The Nairobi Securities Exchange suspended trading in ARM Cement shares on 8 May 2020 while the company remained under administration.

  • 2018

    ARM Cement placed under administration[1]

    Bankruptcy

    ARM Cement entered administration after it could not service its debts and meet ordinary operating obligations. PricewaterhouseCoopers representatives George Weru and Muniu Thoithi were appointed joint administrators.

  • Kenyan and Tanzanian operations transferred to new owners[1]

    M&A · Bankruptcy

    Following ARM's financial collapse, its Kenyan operations were taken over by National Cement, known as Simba Cement, while its Tanzanian operations were taken over by Huaxin Cement.

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