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Your Doka team in Sheffield


Chris Valvona
Branch Director Sheffield

T 01909 552022
M 07968 854849


Dean Buffam
Regional Sales Manager
Yorkshire and the Humber & East Midlands

M 07384 467 820

Tiarna Davidson
Regional Sales Manager
North West

M 07384 545 248

Chris Valvona
Branch Director
West Midlands

T 01909 552037
M 07968 854849

Joe McBride
Business Development Manager - Civils and Infrastructure

M 07966 841254

Del Potter
Major Projects Manager - High-rise

M 07713 085366


Paul Buxton
Operations Manager Sheffield

T 01909 552 025

Sabrina Haag
Operations Sheffield

T 01909 552 043

Sinead Lloyd
Operations Sheffield

T 01909 552 021

Rachel Hill
Operations Sheffield

T 01909 552036

Elyes Ben Youssef
Yard Operations Supervisor Sheffield

M 07384 112723

Technical Engineering

Jamie Swann
Team Leader Sheffield

T 01909 552 046

Joseph Moran
Techn. Engineer

T 01909 552 027

Khariff Saddler
Techn. Engineer

T 01909 552 041

Jamie Watkinson
Techn. Engineer (Trainee)

T 01909 552048

Pieter Strydom
BIM Coordinator

T 01909 552 039

Lukasz Siwik
Techn. Engineer - Infrastructure

T 01909 552 045

Vian Ibrahim
Techn. Engineer (Trainee)

T 01909 552044

Adrian Gomez
Techn. Project Manager

T 07967 967629

Anil Samuel
Techn. Engineer

T 01909 552030

Chamandeep Singh
Techn. Engineer

T 01909 552 049

Massimo Longo
Techn. Engineer

M 07825 189344

Chris Rigden
Techn. Engineer

T 01909 552035

Site Services

Patrick MacNamara
Senior Site Demonstrator

M 07767 413771

James Heeley
Site Demonstrator

M 07815 908795

Products & Marketing

We are proud to have participated in hundreds of building projects.

    The Madison Tower

    The residential tower will deliver 423 new homes, including over 100 affordable homes, in addition to an extensive new public garden, a resident's lounge, business facilities and residents can also enjoy superb views over the bridge Thames.

    Brighton 3Ts

    Doka supplied a full formwork package for the construction of at the Royal Sussex County Hospital in Brighton to deliver the 3Ts Redevelopment. The £485 million program replaces all buildings which stood on the front half of the hospital with state of the art healthcare facilities. The first of the new buildings are due to open in 2021 and will provide an improved hospital experience for hundreds of thousands of patients and visitors every year.


    The Aberdeen Western Peripheral Route, Balmedie to Tipperty project is a major transport infrastructure project. It will significantly improve travel in and around Aberdeen and the north-east of Scotland. Supporting economic growth, reducing congestion, cutting journey times, improving safety and lowering city pollution.

    New Era

    Northfield Construction selected Doka for their formwork and protection screen requirements at the complex £65m New Era development project. The Sheffield Chinatown development, New Era Square consists of five blocks containing student accommodation, food and drinking outlets, an exhibition and conference centre, office space and shops which span across 21 floors.

    One Bishopsgate Plaza

    Doka were selected to partner with construction firm ‘Expanded’ (a subsidiary of Laing O’Rourke), in the construction of the £300m, 562,000 sq ft, new mixed use development located in the heart of the city of London, called One Bishopsgate Plaza. Rising to 448 feet tall (135 metres), the 43 storey high-rise tower comprises the UK’s first Pan Pacific luxury hotel, boasting a 5-star wellness centre, meeting and events spaces, and a double height ballroom/conference facility. 160 luxury private residences also occupy the upper floors of the main tower building.

    Wood Wharf A2 A3

    Construction ended in 2019 at Wood Wharf on the A2 and A3 buildings which are located next to London’s well-known financial district Canary Wharf. The development consists of a range of studios and one to three-bedroom apartments and form part of the cluster of towers which have been constructed in the area by Canary Wharf Contractors. Doka supplied formwork solutions for buildings A2 and A3 which included Automatic climbing formwork SKE 50 plus, Guided climbing formwork Xclimb 60 and Framax Xlife framed wall panel system. The £59.6 million development consists of 517 residential units, flexible retail space, community and leisure space and associated open spaces, infrastructure and utilities.


for access to formwork components and accessories at your fingertips

Safety: Harnessed

FreeFalcon - the mobile fall arrest protection system

Protection screen Xclimb 60

The variable enclosure for all high-rise projects

Platform SKE plus

The self-climbing formwork and working platform for high-rise cores

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