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Brent Street logo

Brent Street

To whom it may concern, I am writing to formally acknowledge DY Constructions throughout various renovation and fit-outs at Brent Street. Having worked closely with Dimitri, Jason and Serge over the past few years, I can confidently and proudly vouch for their outstanding capabilities.

Jason has consistently demonstrated an expertise in project management, devoting himself to our projects with efficiency and professionalism. His meticulous attention to detail, coupled with his swift problem-solving skills, has been instrumental in ensuring the successful completion of our work.

The teams interpersonal skills have greatly contributed to the positive working environment and successful collaboration between Brent Street and DY Constructions. Their dedication to ensuring our satisfaction – no matter the task at hand – is commendable and reflects their unwavering professionalism, particularly their willingness to work around our schedule and young students constantly passing through the building.

It has been a pleasure working with DY Constructions and I have no doubt they will continue to make a positive impact on all future construction projects and endeavours.

Tom Redford
Operations & Production Manager

Screenshot of testimony on project completed by DY Constructions from Cosentino
ADP Logo


To Whom It May Concern.

On many Occasions ADP have engaged DY Constructions for various fit out and refurbishment projects across our offices in Australia.

Recently DY Constructions completed a refurbishment and downsizing project at our head office in Melbourne. Even before the project started there were a quite a few challenges with getting the required paperwork and approvals, DY Constructions was able to navigate through this successfully and get the project started.

Through the duration of the project there were many challenges which required plans to be amended a few times, which also meant reorganising schedules and different contractors DY Constructions was always willing and accommodating.


DY Constructions were very professional in their approach and delivery of the project to the highest standard.


Based on my experience we will not hesitate to engage DY Constructions for our future projects.

Marcus Yesudas
Facilities & OHS Manager

Testimony of the Office fitout project DY Constructions has completed for ADP

International Conservation Services

International Conservation Services engaged DY Constructions to refurbish our premises in late 2020.

DY provided outstanding service from the very beginning, for what was undoubtedly a difficult job. Firstly, the refurbishment had to be undertaken over a 4 month period while we continued to work in our laboratories and offices. Jason Frawley’s superb project management meant that our staff had clear timelines for which to plan their work in alternative spaces. In many instances, half of the lab was cordoned off to allow DY to work in the other half. Jason’s meticulous coordination of a wide range of contractors (including builders, painters, electricians, and other contractors not directly working with DY) was the foundation of our on-time and successful outcome.

Secondly, DY had to take into account our need for extreme care of sensitive equipment and client items. This was achieved with minimum concern on our part, and DY was very responsive to our requests throughout the project.

We were also impressed with the calibre of DY’s subcontractors, in particular Serge, the head builder. Serge was efficient, attentive to detail and careful.

We really appreciated having someone on board who obviously cares about the quality of his work, and who could develop good working relationships with everyone in the building. This is particularly important when a project runs for such a long period of time. We were also pleased with Jason’s excellent guidance about options. It helped enormously to have his expert advice and eagle eyes on project planning and progress. If we ever need another refurb, we’ll definitely be talking with DY.

Ruth Thompson
Operations Manager

International Conservation Services reference for DY Constructions
Cosentino logo


It is with great pleasure that I write this letter of recommendation for DY Constructions Australia Pty Ltd, 

We have involved DYC for the fit out works of our new retail and office space, Cosentino City Sydney located at 130 Hyde Park, Elizabeth St, Sydney CBD, as main General Contractor We have contacted different as, but DYC was the most professional during the bidding process and Jason Frawley and his team, they inspired us enough confidence, and we were not wrong in our choice.

DYC has exhibited skill, quality workmanship and responsiveness throughout the near 6 months of the project. It has been a not easy project because of distance, Covid-19 pandemic, travel restrictions and other challenges that we faced during the construction works. Despite of that Jason has stuck to a very demanding schedule and he was leading the whole process with success. A great compliment for any trade contractor is the fact that I have counted on them anytime I need some support from him to deal with other contractors.

Based on my experience in working with them, it is without reservation that I would recommend DY Constructions and Jason, be considered on any construction project that you may be pursuing. 

We will count on them for our expansion strategy in Australia.

Francisco Alcaraz Segura
Expansion Construction Lead | Architect – Expansion Department

Testimonial from Cosentino about completed Office Fitout project by DY Constructions
French Consulate Logo

Consulate General De France Sydney

This is to certify that the Consulate-General of France recently employed the services of DY CONSTRUCTIONS to carry out renovation works in part of the premises. 

The initial quotation was presented by Dmitri Kolontaevskii in a very professional manner and he was open to further discussions and offered solutions so that our fitout corresponded to the budget allocated by our Authorities. 

Dmitri’s team carried out the works with minimal disruption to our day to day activity and were always accommodating. The team was always punctual, efficient and the finished outfit perfect. 

We will not hesitate to call on them again should we require further building works as we are very appreciative of the excellent quality of their services.

Pierre-Alexandre Bianconi
Consul adjoint

Client testimonial from French Consulate Sydney
Richland Brands Logo

Richland Brands

On behalf of Richland Brands. it is with great pleasure that I write this testimonial for DY Constructions. 

Initially we contacted 3 different suppliers (including DYC) for initial discussions and to rough out a budget for a 334 sqm office fit out. DYC was far and away the most professional in so many ways.

Dmitri and his entire team were amazing in every aspect. From the initial design stage to the final fit out and everything in between. I was very impressed with their knowledge. dedication and attention to detail. They were constantly in communication with us so we knew what to expect and when. No request was ever too difficult.

The tradesmen were outstanding. highly skilled and they went out of their way to go the extra mile. They left the premises neat and tidy each day. 

DY Constructions are a fantastic company to work with and I would have no hesitation in recommending them to any business seeking a professional and creative fit out of their office space. They will deliver a quality result. on time and on budget. Their excitement is absolutely comforting as they share your enthusiasm and excitement throughout the whole project.

As my boss said on several occasions. “DYC are rock stars!”. 

Yours sincerely

Rhonda Valentine
Business Co-ordinator

Client testimonial from Richland
R&W logo logo

Richardson & Wrench Elizabeth Bay

We are the executive committee (elected owners) for a building in Waterloo with 150 apartments plus 30 commercial/offices spaces. Recently we decided to upgrade three foyers ( two residential and one commercial ) in the 180. lot building. Doing this is a mammoth task because it requires all owners to vote on said designs. raise funds and also pick quotes. DY Constructions were one of several companies that tendered for the work and it was from that moment we noticed their biggest difference. 

From day one, DY were attentive to every matter and patient dealing with many different questions regarding their quote. They always sounded caring and took the time to break down every thing in detail. We then moved to accepting their quote which was another huge task. Liaising with 150 occupants about access. clearing, changing entrances, setting up safety measures along with so many other items we as a building had no idea about DY were all over it! 

The works began on time as scheduled. however like any renovation there are speed humps and many moving pieces of which DY cleverly maintained throughout the entire process and not once was anything too hard. When it would rain, they would simply start something else, when there was a delay due to council, we moved items around in the calendar to better suit and just like that the job was completed ahead of schedule. 

As it came to the end of the job, it was clear what we envisaged came to life and DY were mainly to thank. Nearing completion we decided to proceed with some additional works which DY competitively quoted. When it came to this task there was such items where DY were able to pull back some costs by wisely using other material already sourced throughout the renovation. 

Finally customer service but more importantly attending to issues in real time is huge to us and we’ve experienced over the years that some trades are slack with this. This is another reason why we highly recommend Dimitri and his team. 

To close, we would highly recommend DY for any job. big or small as they are clearly able to handle the task at hand. You’re welcome to call one of us as committee members to ask any questions. 

Best of luck with your renovations and be sure to give DY a go! 

Angelo Bouras
Licensed Real Estate Agent

Client testimonial from Green Square Oasis
Squiz logo


DY Constructions were a dream to work with. All of the trades people completing our renovation genuinely cared about the job they did and gave us a brilliant outcome. Our staff were really impressed with how collaborative they were catering for us working throughout and Dmitri was constantly in contact, clarifying and communicating so we always knew what was happening. We have now booked them for more work. I can absolutely recommend them.  

Scott-Bradley Pearce
General Manager ACT & NSW

Client testimonial from Squiz

CRS Insolvency Services - Henty House

DY Constructions rebuilt our foyer at 379 Kent Street Sydney in April 2020. We went through a detailed bidding process and obtained quotes from 5 different builders. DY Constructions submitted a highly competitive and detailed proposal. DY Constructions also did in-house plans which saved us money in not having to engage an architect. The project was delivered on time and within budget. A special thank you to their project manager Jason Frawley. He was fantastic and kept me up to date throughout the project. I would highly recommend DY constructions for any building project in Sydney. DY Constructions have definitely earned a 5 star review!

Anthony Warner

Client testimonial from Henty House
Style State Logo

Style State

I recently had the pleasure of working with DY Constructions on an office fit-out in Surry Hills, and I cannot express how thrilled I am with the results. Mark and his team have well and truly exceeded my expectations.

The project involved putting up a meeting room with a glass partition on one side with aluminium grid panelling and a wall on the other side, as well as electrical work including adding several power points, down lights and changing over our fluorescent lights to LED lights.

From the initial consultation, Mark was very prompt in addressing my enquiry and came out to the location to do measurements and discuss the options before providing a very detailed quote. Since it was my first time doing a fit-out, I had enquired at 5-6 different companies (many of which did not even bother coming out to the location), but DY constructions was competitive with pricing, really great with communication and provided a guarantee that ultimately made it an easy decision to go ahead with them.

Mark and every trade that came in to do a job were extremely professional, they were true to their word in every aspect of what we had discussed on the deliverables, and the most amazing part is that they managed to turn around the project in 8 working days to meet our tight deadline!! Throughout the project, I received daily updates on the progress, which provided me with peace of mind and confidence that everything was on track. Mark was always available to address any questions or concerns I had, and they were incredibly accommodating and understanding of our specific requirements. No request was too difficult for them to handle. It was also very evident from the beginning that their team had a big focus on attention to detail and prioritising good quality finishings to achieve the best results.

I genuinely am so impressed with DY constructions and I wholeheartedly recommend their services to anyone as I definitely will be a returning customer. Thank you again to Mark and your team for doing an amazing job!

Winnie Li
Managing Director

Screenshot of testimony on project completed by DY Constructions from Style State
Marley Spoon Logo

Marley Spoon

Definitely would recommend DY Constructions for the level of detail and care they provide. Jason was a pleasure to work with and is someone that you can rely to get the job done to your satisfaction. The team make sure to address all your concerns and really know exactly what they’re doing.

Ugyen Tashi
Production Manager

Screenshot of testimony on project completed by DY Constructions from Marley Spoon
Department of Community & Justice logo

Department of Communities & Justice - NSW Government

The Amazing Team at DY constructions completed the installation of a dividing wall in one of our regional offices.

The communication was excellent. Thank you for the professionalism, as advised by our regional office manager “the team needs to be congratulated on how they went about the job, clean, efficient and most professional standard at completion.

Michelle Montoya
Executive Assistant to Director

Screenshot of testimony on project completed by DY Constructions from Department of Community and Justice
CPM Pest and Hygiene Services logo

CPM Pest & Hygiene Services

Great experience. Have used DY for two separate renovations of our office space, including conference and storage spaces. Worked with Jason on both projects who was very professional and saw the projects out from beginning to end.

Owen Roberts Love
Executive General Manager

Screenshot of testimony on project completed by DY Constructions from CPM Pest & Hygiene Services
Belizzi Studios Logo

Bellizzi Studios

DY Constructions did the most amazing job with our office space! We can highly recommend this company and we are glad we engaged them to look after our projects.

Yulia Curly

Belizzi Studios Testimonial of fitout project completed by DY Construction

Virtual Room & Quiz Room

Virtual room logo
Quiz Room Logo

If you’re looking for a reliable, professional contractor, DY Constructions is your go-to. Dimitri was great to work with – he managed the project seamlessly and was always available to answer any questions or concerns. The build was completed on time and within budget – I couldn’t have asked for more. I would highly recommend DY Constructions for any construction project. This is the second time I have used DY Constructions and I look forward to working with him again in the future.

If you want to see the quality of his work. Come and check out the new entertainment concepts he helped me launch: Virtual Room and Quiz Room on 393 George Street, Sydney.

Robin Assice
Founder & Director

Screenshot of testimony on project completed by DY Constructions from Quiz Room


Scholardome logo

DY Construction, particularly Ivan and Mark, is outstanding – they went above and beyond with our office construction and project management, navigating complex and specific requirements for our unique space. They showed quality, care and were very responsive with timely delivery. Highly recommend!

James Yoon

Screenshot of testimony on project completed by DY Constructions from Scholardome

Prime Asset Value Management

Prime Value Asset Management

DY Constructions has been phenomenal with our office renovation work. Every member of their team showed exceptional professionalism including responsiveness, timely delivery, customer service, and quality trademanship.

Ivan Vuzii in particular has been phenomenal with providing us with tailored solutions for what we were looking for, and always checked in to deliver more. Very pleased with DY Constructions and will definitely recommend them to anyone looking for office fitout or refurbishment.

JunSeok Yang
Associate Director

Screenshot of testimony on project completed by DY Constructions from Prime Value Asset Management

Onsite Safety Australia

Onsite Safety Australia logo

DY Constructions put in 2 offices into an existing open plan office. DY were clean, tidy and professional in all their dealings with our business. They were well prepared and delivered on everything they said they would with minimal interruption to our business operations. I would highly recommend them for all office fitouts and refurbishments.

Chris Bellamy

Screenshot of testimony on project completed by DY Constructions from Onsite Safety

Tea Angle

Tea Angle logo

Jason and the team did a great job, taking care of everything, including details that we didn’t notice. Process was smooth from beginning to end and they were very accommodating of changes we made throughout the job.

Matt Tran
Co-Founder & Owner

Screenshot of testimony on project completed by DY Constructions from Tea Angle


E-Payoffice logo

I would highly recommend DY Constructions to anyone wanting an office fit-out. Quote was detailed and with drawings and price was good compared to others. Job was scheduled a week after acceptance and completed way ahead of time. All workmanship was of a high quality and everything left clean and tidy. Thank you to Jason and the team!

Wendy Blanch

Screenshot of testimony on project completed by DY Constructions from Payroll Guru
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