

CERTA CONSTRUCTION
Our Team

WHO WE ARE
Commercial Team


Maxum Alexander
MANAGING DIRECTOR
Since becoming Managing Director in 2018, Maxum has driven Certa's growth,
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Since becoming Managing Director in 2018, Maxum has driven Certa's growth,
Read More


Jay Alexander
DIRECTOR/ COMMERCIAL MANAGER
His passion for construction began early, leading him to pursue a Double Major
Read More
His passion for construction began early, leading him to pursue a Double Major
Read More


Sharn Buchanan
CONSTRUCTION MANAGER
As one of the directors of Certa, the journey from a young apprentice to overseeing
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As one of the directors of Certa, the journey from a young apprentice to overseeing
Read More


Martin Gilbert
QUANTITY SURVEYOR & ESTIMATOR
Having experience in residential and commercial construction and a double
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Having experience in residential and commercial construction and a double
Read More


Nathan Lee
QUANTITY SURVEYOR & ESTIMATOR
With a strong background in Construction Engineering, with emphasis on meticulous
Read More
With a strong background in Construction Engineering, with emphasis on meticulous
Read More


Dineth Kalukapuge
QUANTITY SURVEYOR & ESTIMATOR
With over ten years in cost management and contract administration, all projects he
Read More
With over ten years in cost management and contract administration, all projects he
Read More


Emily Lewis
OPERATIONS & MARKETING
The role blends operations management with administrative duties to ensure a
Read More
The role blends operations management with administrative duties to ensure a
Read More


Maxum Alexander
MANAGING DIRECTOR
Since becoming Managing Director in 2018, Maxum has driven Certa's growth,
Read More
Since becoming Managing Director in 2018, Maxum has driven Certa's growth,
Read More


Jay Alexander
DIRECTOR/ COMMERCIAL MANAGER
His passion for construction began early, leading him to pursue a Double Major
Read More
His passion for construction began early, leading him to pursue a Double Major
Read More


Sharn Buchanan
CONSTRUCTION MANAGER
As one of the directors of Certa, the journey from a young apprentice to overseeing
Read More
As one of the directors of Certa, the journey from a young apprentice to overseeing
Read More


Martin Gilbert
QUANTITY SURVEYOR & ESTIMATOR
Having experience in residential and commercial construction and a double
Read More
Having experience in residential and commercial construction and a double
Read More


Nathan Lee
QUANTITY SURVEYOR & ESTIMATOR
With a strong background in Construction Engineering, with emphasis on meticulous
Read More
With a strong background in Construction Engineering, with emphasis on meticulous
Read More


Dineth Kalukapuge
QUANTITY SURVEYOR & ESTIMATOR
With over ten years in cost management and contract administration, all projects he
Read More
With over ten years in cost management and contract administration, all projects he
Read More


Emily Lewis
OPERATIONS & MARKETING
The role blends operations management with administrative duties to ensure a
Read More
The role blends operations management with administrative duties to ensure a
Read More

Maxum Alexander
MANAGING DIRECTOR
Since becoming Managing Director in 2018, Maxum has driven Certa's growth,
Read More

Jay Alexander
DIRECTOR/ COMMERCIAL MANAGER
His passion for construction began early, leading him to pursue a Double Major
Read More

Sharn Buchanan
CONSTRUCTION MANAGER
As one of the directors of Certa, the journey from a young apprentice to overseeing
Read More

Martin Gilbert
QUANTITY SURVEYOR & ESTIMATOR
Having experience in residential and commercial construction and a double
Read More

Nathan Lee
QUANTITY SURVEYOR & ESTIMATOR
With a strong background in Construction Engineering, with emphasis on meticulous
Read More

Dineth Kalukapuge
QUANTITY SURVEYOR & ESTIMATOR
With over ten years in cost management and contract administration, all projects he
Read More

Emily Lewis
OPERATIONS & MARKETING
The role blends operations management with administrative duties to ensure a
Read More
Site Team


Clint Alexander
PROJECT MANAGER
As a qualified builder with a diverse background in electrical work, carpentry,
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As a qualified builder with a diverse background in electrical work, carpentry,
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Liam Tobin
SITE MANAGER
With over 10 years of experience across the UK, Australia, and New Zealand, he excels
Read More
With over 10 years of experience across the UK, Australia, and New Zealand, he excels
Read More


Johnson Ji
SITE MANAGER
With over seven years of experience in the construction industry, this dedicated Site
Read More
With over seven years of experience in the construction industry, this dedicated Site
Read More


Peter Zeelie
JUNIOR SITE MANAGER
Starting his journey in South Africa, his experience managing large teams and
Read More
Starting his journey in South Africa, his experience managing large teams and
Read More


Rex Yang
SITE MANAGER
With a background from carpenter to Site Manager, he excels in overseeing
Read More
With a background from carpenter to Site Manager, he excels in overseeing
Read More


William Wang
SITE MANAGER
He ensures the project succeeds with a focus on efficiency, precision, and
Read More
He ensures the project succeeds with a focus on efficiency, precision, and
Read More


Ken Guo
HEAD OF STOPPING & PAINTING
With over 15 years of experience, he excels in overseeing the final stages of
Read More
With over 15 years of experience, he excels in overseeing the final stages of
Read More


Richard Tang
SITE MANAGER
He leverages over 12 years of experience to manage and coordinate construction
Read More
He leverages over 12 years of experience to manage and coordinate construction
Read More


Clint Alexander
PROJECT MANAGER
As a qualified builder with a diverse background in electrical work, carpentry,
Read More
As a qualified builder with a diverse background in electrical work, carpentry,
Read More


Liam Tobin
SITE MANAGER
With over 10 years of experience across the UK, Australia, and New Zealand, he excels
Read More
With over 10 years of experience across the UK, Australia, and New Zealand, he excels
Read More


Johnson Ji
SITE MANAGER
With over seven years of experience in the construction industry, this dedicated Site
Read More
With over seven years of experience in the construction industry, this dedicated Site
Read More


Peter Zeelie
JUNIOR SITE MANAGER
Starting his journey in South Africa, his experience managing large teams and
Read More
Starting his journey in South Africa, his experience managing large teams and
Read More


Rex Yang
SITE MANAGER
With a background from carpenter to Site Manager, he excels in overseeing
Read More
With a background from carpenter to Site Manager, he excels in overseeing
Read More


William Wang
SITE MANAGER
He ensures the project succeeds with a focus on efficiency, precision, and
Read More
He ensures the project succeeds with a focus on efficiency, precision, and
Read More


Ken Guo
HEAD OF STOPPING & PAINTING
With over 15 years of experience, he excels in overseeing the final stages of
Read More
With over 15 years of experience, he excels in overseeing the final stages of
Read More


Richard Tang
SITE MANAGER
He leverages over 12 years of experience to manage and coordinate construction
Read More
He leverages over 12 years of experience to manage and coordinate construction
Read More

Clint Alexander
PROJECT MANAGER
As a qualified builder with a diverse background in electrical work, carpentry,
Read More

Liam Tobin
SITE MANAGER
With over 10 years of experience across the UK, Australia, and New Zealand, he excels
Read More

Johnson Ji
SITE MANAGER
With over seven years of experience in the construction industry, this dedicated Site
Read More

Peter Zeelie
JUNIOR SITE MANAGER
Starting his journey in South Africa, his experience managing large teams and
Read More

Rex Yang
SITE MANAGER
With a background from carpenter to Site Manager, he excels in overseeing
Read More

William Wang
SITE MANAGER
He ensures the project succeeds with a focus on efficiency, precision, and
Read More

Ken Guo
HEAD OF STOPPING & PAINTING
With over 15 years of experience, he excels in overseeing the final stages of
Read More

Richard Tang
SITE MANAGER
He leverages over 12 years of experience to manage and coordinate construction
Read More



Not all buildings are created the same
At CERTA, we embrace the uniqueness of each project. Our tailored solutions are designed to meet your specific needs and aspirations, ensuring your vision is realized with the utmost precision and care.

OUR COMMITMENT
We forge strong, lasting relationships with our clients, exceeding expectations with realistic, results-driven solutions. We believe in continuity and success, working with loyalty and dedication to ensure that every project not only meets but surpasses your vision.

