About us

The company was founded in 2006 by the Owner / Director Mathys Bronkhorst

Extreme B3 Developments (Pty) Ltd is a specialist Building and Construction Company serving the Commercial and Industrial market’s need for quality construction services i.e. new construction, refurbishment and maintenance.

As a member of the Gauteng Master Builders Association the company builds and maintains long term relationships with its clients through the supply of superior quality services.

The company’s revenue is derived from 30/70 percentage split between negotiated and tender-based business respectively.

The company is well placed to compete in the first tier construction market through a proven track record, experience and expertise as well as an efficient and dedicated workforce.


The company is placed in the small to medium construction market, with a well-balanced infra-structure to compete and complete contracts.

Extreme B3 Developments (Pty) Ltd

is principally involved in all aspects of building construction.
• Commercial Developments
• Retail Centres
• Offices
• Factories
• Restoration & Alterations
• Maintenance
• Residential



The company is growing steadily and is involved with a number of new developments.

• At Extreme B3 Developments (Pty) Ltd, we believe that good business ethics and goodwill in conducting business will provide Client satisfaction.
• We provide quality service in all aspects of our business, we stay focused, committed and dedicated in all that we do.
• We comply with Health and Safety provisions of the OSH ACT to ensure a safe and healthy working environment on all our sites.
• We comply with building by-laws and regulations at all times.
• We conduct business in a fair and democratic manner


Extreme B3 Developments (Pty) Ltd has a very low overhead structure, with all members of management and staff actively involved in the day to day operations of the company.

Mathys Bronkhorst as senior Director has over 30 years experiences in the building and Construction Industry. He matriculated from Brakpan Technical High School in 1981 and obtained a bursary from one of South Africa’s largest construction companies to study Quantity Surveying. Since then he was employed by a number of the largest construction companies in South Africa until 2006 when
he decided to peruse on his own.


The Contracts Division is headed by MMJ Bronkhorst, Ruaan Bronkhorst and Reinhardt Bronkhorst. As Directors they are responsible for work procurement, programming, progress and the overall management of the construction sites, and liaise with the professional teams and co-ordinate all construction activities on site.

They are supported by Key Site Personnel each of who are responsible for their own contract or part of the contract.

Office staff comprises of a small team of people who handle the general office administration, buying, receptionist work, wages and all financial and accounting functions


Our membership to Associations includes the following:
• CIDB 6GB / 6CE (No: 69647)
• Gauteng Masters Builders Association
• MAQS (No: 06415)
• N.H.B.R.C