Kumasi, Ashanti Region, Ghana
Mon – Fri: 7:00 AM – 5:30 PM
Safety-First. Quality-Always.
Bonterra team at work

18 Years of Building
Ghana's Future.

From a small Kumasi-based firm to one of Ghana's most trusted construction partners — our story is built project by project, on trust, quality, and commitment to community.

2006
Est. Kumasi
Bonterra founders on site
Bonterra site detail

Where We Started.
Where We Stand.

Bonterra Constructions was founded in 2006 by a group of Ghanaian engineers who believed the country deserved construction that matched global standards — built right here at home.

Starting with a single residential project in Kumasi's Ahodwo neighbourhood, we grew steadily through a reputation built not on marketing, but on results. Clients returned. Word spread. By 2012 we had expanded operations into Accra, and by 2018 our reach covered all of Ghana's major regions.

Today, Bonterra employs over 200 skilled professionals and has delivered more than 340 projects — from modest family homes to major civil infrastructure — each one treated as if it were our own. We are proud to be a Ghanaian company, headquartered in Kumasi, investing in Ghanaian talent, and committed to building the communities that shape our nation's future.

Key Milestones

2006
Founded in Kumasi
Registered by Kofi Bonterra and three co-founding engineers; completed first residential project in Ahodwo.
2010
100th Project Milestone
Reached 100 completed projects in four years — all in the Ashanti Region — and hired our first dedicated engineering division.
2012
Expansion to Accra
Opened Greater Accra regional office; secured first government civil infrastructure contract for the Eastern Corridor road works.
2016
ISO 9001 Certification
Achieved ISO 9001:2015 Quality Management System certification — the first mid-sized Ghanaian contractor to do so.
2020
Ghana Construction Excellence Award
Won the National Contractors Association of Ghana's top award for project delivery and client satisfaction two years running.
2024
300+ Projects & 12 Regions
Surpassed 300 completed projects and extended active operations to all major regions of Ghana, from Tamale to Takoradi.
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Skilled Professionals
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Client Satisfaction
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Regions Covered

Mission, Vision & Purpose.

Our Mission

To deliver construction projects of the highest international standard — on time, within budget, and with care for every stakeholder — while developing Ghanaian talent and investing in the communities we serve.

Our Vision

To be the most trusted construction and infrastructure firm in West Africa — known for excellence in execution, unwavering integrity, and structures that outlast generations.

Our Purpose

We believe buildings do more than shelter people — they shape lives, economies, and futures. Every structure we build is a contribution to a stronger, more prosperous Ghana.

The Values That
Guide Every Decision.

Our values are not a poster on a wall — they are lived daily on every site, in every meeting, and in every handshake with a client.

Bonterra site work
01

Integrity Above All

We are honest in our pricing, transparent in our reporting, and accountable when things don't go as planned. Our word is our bond — on every contract and every conversation.

02

Uncompromising Quality

We don't cut corners. From the materials we specify to the tradespeople we certify, quality is embedded at every stage — because the structures we build must outlast us all.

03

Safety Without Exception

Every worker deserves to go home safe. Our zero-accident culture means safety is not a regulatory box to tick — it is a daily commitment reinforced through training, supervision, and accountability at every level of the organisation.

04

Community & Local Empowerment

We actively source local labour, train apprentices from communities near our sites, and prioritise Ghanaian suppliers. Every project should leave the community better than we found it.

05

Environmental Responsibility

Construction has an impact on the land. We minimise that impact through responsible waste management, sustainable material choices, and compliance with all environmental regulations — and often exceeding them.

Our Leadership Team.

Experienced professionals who bring deep technical expertise and a genuine passion for building better in Ghana.

Kofi Bonterra

Kofi Bonterra

Founder & CEO

Civil engineer with 24 years of experience across Ghana and the UK. Kofi founded the firm with a vision to build a world-class Ghanaian contractor.

Akosua Darko

Akosua Darko

Chief Operating Officer

Operations specialist with 18 years optimising construction workflows. Akosua leads our quality assurance and project delivery systems.

Emmanuel Asare

Emmanuel Asare

Chief Engineer

Structural and civil engineer (MPhil, KNUST). Emmanuel oversees all technical specifications, design review, and site engineering decisions.

Abena Ofori

Abena Ofori

Chief Financial Officer

Chartered accountant with 15 years in construction finance. Abena drives financial governance, client cost transparency, and strategic growth.

A Proven Process Built Around You.

Our structured four-phase process eliminates guesswork and keeps you in control from the first conversation to the last signature.

01

Consultation & Scoping

Every project starts with listening. We visit your site, study your brief, understand your budget constraints, and define a clear scope before any commitments are made.

  • Free initial site visit and assessment
  • Detailed project scope document
  • Transparent, itemised preliminary estimate
  • Timeline and milestone planning
  • Risk identification and mitigation planning
02

Design & Approvals

Our in-house architects and structural engineers produce detailed drawings, specifications, and manage the entire permit and statutory approval process on your behalf.

  • Architectural and structural drawings
  • MEP (Mechanical, Electrical, Plumbing) co-ordination
  • Local authority and EPA permit acquisition
  • Bill of Quantities and material schedules
  • Client design review sessions and sign-off
03

Build & Quality Control

The build phase is managed with daily site supervision, fortnightly client briefings, and multi-stage inspections. You are always informed — never surprised.

  • Certified site supervisor on every active site
  • Daily site diaries shared with clients
  • Third-party structural inspection at key stages
  • Real-time cost tracking against budget
  • ISO 9001 quality management compliance
04

Handover & Aftercare

We don't disappear at handover. Every completed project includes a full defects inspection period, a complete documentation package, and our post-completion support commitment.

  • Comprehensive snagging and final inspection
  • As-built drawings and technical manuals
  • 12-month defects liability period
  • Client operations walkthrough and briefing
  • Ongoing maintenance advisory service

Certified. Accredited.
Fully Compliant.

Our certifications aren't just paperwork — they represent the systems, training, and standards we hold ourselves to every single day.

ISO 9001:2015

Quality Management System — certified since 2016

ISO 45001:2018

Occupational Health & Safety Management System

ISO 14001:2015

Environmental Management System certification

GCAA D1 Class

Ghana Contractors Association — highest contractor classification

Ghana Engineers Reg.

Ghana Institution of Engineers — full corporate membership

Fire Safety Certification

Ghana National Fire Service — compliant across all active sites

EPA Ghana Registered

Environmental Protection Agency — approved contractor

PMP Certified PMs

All senior project managers hold PMP certification from PMI

Awards & Industry Recognition.

These awards reflect the pride and effort of every member of the Bonterra team — from site workers to senior engineers.

2024

Best Contractor of the Year — Large Projects

For the Meridian Office Park, Accra — recognised for on-budget delivery and post-occupancy satisfaction scores.

Ghana Contractors Excellence Awards
2023

Sustainable Construction Award

Recognised for environmental practices on the Northern Star Estate — recycled aggregate use and solar integration.

Ghana Green Building Council
2022

National Site Safety Excellence Award

Achieved 3 consecutive years without a reportable safety incident across all active Bonterra sites.

National Contractors Association of Ghana
2020

Ghana Construction Excellence Award — Client Satisfaction

98% client satisfaction rating across 47 projects surveyed — the highest ever recorded by an Ashanti-based contractor.

National Contractors Association of Ghana
2018

Best Employer in Construction — Ashanti Region

Recognised for workforce development, apprenticeship programmes, and employee welfare standards above the industry norm.

Ashanti Regional Chamber of Commerce
Construction site CTA

Ready to Build With Ghana's Best?

Talk to our team about your vision. We'll map out a plan, provide a transparent estimate, and keep you informed every step of the way.

Get In Touch