Building & Construction Companies in Nairobi

Comprehensive List of Building & Construction Companies in Nairobi

Nairobi's skyline has changed dramatically over the past two decades, with high-rise offices, gated estates, shopping malls, and industrial parks reshaping Industrial Area, Westlands, Upper Hill, and the city's outer suburbs. This growth has been driven by an established network of construction companies in Nairobi that combine local expertise with modern engineering standards to deliver projects on time and within budget. Whether you are a homeowner planning a residence, a developer breaking ground on a commercial tower, or an agency tendering for infrastructure work, choosing the right contractor is one of the most important decisions you will make. This guide brings together some of the most established construction companies in Nairobi, covering their core services, specializations, and coverage, with verified contact details so you can reach out directly for a quote or site visit.

Providers at a Glance

Below is a quick-reference table of the firms profiled in this guide, along with their primary specialization and coverage area.

Company Profiles

1. Epco Builders Limited

Founded in 1978 by Ramji D. Varsani, Epco Builders is registered under NCA Category 1, Kenya's highest classification for large contractors, with an annual turnover of roughly KSh 5 billion. Headquartered in its own Industrial Area complex, the firm has delivered major projects including the Kenya National Assembly buildings, Moi University Plaza, and the Toyota Uhuru Highway showroom. It runs a heavy-equipment yard near Athi River and a Mombasa branch, giving it capacity for developments valued up to KSh 12 billion. Services span design-and-build, structural works, and precast concrete construction.

• Address: Falcon Road, off Enterprise Road, Industrial Area, P.O. Box 55628 – 00200, Nairobi, Kenya
• Email: info@epco.co.ke
• Phone Number: 0734 705 450 / 0734 000 064
• Website: www.epcobuildersltd.com

2. Landmark Holdings Ltd

Established in 1999 and based off Enterprise Road in Industrial Area, Landmark Holdings has built a reputation for high-rise commercial towers, multi-level basements, shopping malls, and large residential complexes. The firm won the Construction Excellence Award in 2014 and has delivered developments including the Kenya Civil Aviation Authority headquarters and the JKUAT Tower. Landmark also offers precast and expanded polystyrene (EPS) construction methods to speed up delivery, serving both private developers and public-sector clients across East Africa.

• Address: Falcon Road, off Enterprise Road, Industrial Area, Nairobi, Kenya
• Email: info@lhl.co.ke
• Phone Number: +254 20 559844
• Website: www.lhl.co.ke

3. Cementers Limited

Operating since 1975, Cementers Limited has built a long track record across residential, commercial, and hospitality developments, including notable work on Mihrab Towers and infrastructure at Two Rivers Development and JKIA. The company is known for consistent finishing standards and modern building technology on projects of varying scale. From its Argwings Kodhek Road offices, Cementers serves clients across Nairobi and the wider region, from foundation work through to final handover.

• Address: Landmark Plaza, 12th Floor, Argwings Kodhek Road, Nairobi, Kenya
• Email: kenya@cementers.com
• Phone Number: +254 722 515390 / +254 721 515390
• Website: www.cementers.com

4. Seyani Brothers & Co. (K) Ltd

A family-run business founded in 1978, Seyani Brothers has grown into one of the more established construction companies in Nairobi, with over four decades of experience across residential, commercial, and industrial building. The firm handles project management, civil engineering, and general contracting for government institutions, private developers, and multinational corporations, with a strong emphasis on safety protocols and sustainable building practices. Seyani Brothers now operates from Westlands and continues to take on projects of varying scale throughout Kenya.

• Address: Level 5, The Oval, Ring Road, Westlands, Nairobi, Kenya
• Phone Number: +254 20 2135460 / +254 702 135460
• Website: www.seyanibrosk.com

5. Intex Construction Ltd

Tracing its roots to 1982 and drawing on over a century of combined civil engineering experience, Intex Construction has built more roads in Kenya than most competitors and developed over 3.7 million square feet of real estate. The company played a central role in Kenya's first affordable housing scheme in Kibera and continues work on large social housing projects there. Intex operates from its Westlands headquarters, with additional offices in Meru, Embu, Kirinyaga, and Isiolo, plus a permanent presence in Uganda, giving it one of the broadest regional footprints among construction companies in Nairobi.

• Address: 9th Floor, Purshotam Place, Westlands Road, Nairobi, Kenya
• Phone Number: +254 700 282828 / +254 20 3743838
• Website: www.intexafrica.com

6. Associated Construction Co. (Kenya) Ltd

Incorporated in 1976, Associated Construction was among the first locally owned firms to take on civil engineering work previously reserved for foreign contractors. Today it runs a fleet of more than 250 pieces of heavy machinery and a workforce exceeding 1,000 people, specializing in highways, bridges, marine civil works, and railway infrastructure, including the 136-metre Masalani Suspension Bridge over the River Tana. It has since diversified into commercial property, Public-Private Partnerships, and bulk water management.

• Address: 65 Thigiri Ridge Road, P.O. Box 31114-00600, Nairobi, Kenya
• Email: acckl@associated.co.ke
• Phone Number: +254 733 271272 / +254 20 2715526
• Website: www.associated.co.ke

7. Aspax Construction Company

Aspax Construction takes a more residential-focused approach, offering general contracting, home building, roofing, concrete, masonry, flooring, and kitchen and bathroom remodeling services. The company supports Kenyans building from the diaspora as well as local clients, guiding projects from architectural planning through to handover. Aspax's Nairobi head office coordinates projects across the city, while branch offices in Naivasha and Mombasa extend its reach along key regional corridors, making it a practical pick among construction companies in Nairobi for homeowners and small-to-medium developers.

• Address: Bihi Towers, Moi Avenue, Nairobi, Kenya
• Email: sales@aspaxconstruction.com
• Phone Number: +254 793 845795
• Website: www.aspaxconstruction.com

8. Laxmanbhai Construction Ltd

Laxmanbhai Construction traces its history back over 70 years and has grown into a family-owned contractor operating across Kenya, India, and the UK. In Nairobi, the company has delivered high-profile developments such as Britam Tower, the Sarit Centre Phase 3B expansion, the I&M Bank headquarters, and infrastructure works at Tatu City. The firm handles design, financing, construction, and long-term property management, with particular strength in commercial towers, mixed-use developments, and large residential estates from its Limuru Road offices.

• Address: Laxcon House, Limuru Road, Nairobi, Kenya
• Phone Number: +254 722 203178
• Website: www.laxconke.com

Choosing the Right Contractor

Nairobi's construction sector remains highly competitive, and the construction companies in Nairobi featured above represent a mix of large-scale civil engineering contractors and residential specialists suited to different project sizes and budgets. Before signing a contract, confirm that your preferred firm is registered with the National Construction Authority (NCA) under the appropriate category for your project's value, and ask for references from recently completed developments similar in scope to yours. Whether you are planning a single-family home, a commercial fit-out, or major infrastructure works, reaching out directly using the contact details above is the fastest way to get an accurate quote and realistic timeline for your next build.

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