Best Construction Companies in Ontario
We have reviews for the top construction companies in Ontario, Canada. Compare our reviews to find the best construction management company near you.
Construction Management Company Reviews
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Find the Best Construction Companies in Ontario
Construction companies handle large-scale building projects. You get a wide range of teams, each bringing its own way of organizing work on the ground. You see strong attention to schedules and clear steps that help a construction site stay on track. With so many projects happening across Ontario, there's a need to compare and find the best companies.
Good construction companies watch costs closely. They also solve problems before they slow progress. Some firms work with the largest construction companies in Canada, while others take on smaller jobs that need close oversight. Ultimately, people want a company that listens and communicates.
Read our reviews to find the best construction companies in Ontario, Canada.
Construction Companies Near Me
Find the best construction companies in Ontario, Canada.
Toronto
Busy projects with tight timelines
Mississauga
Commercial builds and site coordination
Hamilton
Local teams handling varied project needs
Ottawa
Government and large-scale builds
Kitchener
Active builds with good site coordination
London
Residential and commercial projects across the city
Top Construction Companies in Ontario
Reviews show that Baycrest Project and Construction Management is the best construction company in Ontario, Canada. Their positive reviews come from their project coordination, scheduling, and oversight. Norlon Builders and Ball Construction are also the leading construction companies in Ontario, Canada.
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1Baycrest Project and Construction ManagementBest
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2Norlon BuildersTop 2
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3Ball ConstructionTop 3
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4Turner Construction CompanyTop 5
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5Maple Reinders Constructors LtdTop 5
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6KNYMH IncTop 10
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7Nith Valley ConstructionTop 10
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8PCL Constructors IncTop 10
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9EllisDon CorporationTop 10
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10Eastern Construction Company LimitedTop 10
Ontario Construction Company Reviews
Baycrest Project & Construction Management
Baycrest Project & Construction Management handles complex commercial and institutional jobs across Toronto with a steady hand. With over 30 years of experience, they guide projects from early planning to final handover. Clients see a team that coordinates trades, schedules, and budgets while keeping work sites organized and professional. Their COR certified health and safety practices add another layer of confidence for owners, tenants, and facility managers.
Best of Baycrest Project & Construction Management
Baycrest leads commercial builds from pre construction planning through site coordination and turnover, keeping timelines realistic and budgets controlled for offices, plazas, and mixed use spaces.
They refresh and build out retail stores and office interiors with an eye on branded details, clean finishes, and smooth turnover that lets tenants get back to business quickly.
The team manages work in schools, healthcare spaces, and public facilities where safety, staging, and communication matter, coordinating trades to limit disruption for staff and visitors.
Baycrest Project & Construction Management Reviews
When clients get help from Baycrest, the company keeps their construction jobs moving without extra fuss. They like how the crew stays on track with money and timing, which makes things feel calm instead of stressful. Some talk about how the company brings long experience to each job, and that gives them a sense of comfort as the work moves along.
- Projects stay on budget and schedule, which helps clients feel in control of their plans.
- Experienced managers handle coordination details, so owners spend less time chasing updates from different trades.
- Some clients note that busy periods can make preferred start dates harder to secure.
Baycrest staff step into projects that move fast and keep people busy from the moment they arrive. The pace gives them plenty to focus on, and they see steady progress day by day. It creates an energetic company culture, where they feel involved in the work as things keep moving forward.
- People enjoy the fast pace and like seeing concrete progress on sites from week to week.
- Team members feel closely involved in projects, with plenty of day to day coordination and problem solving.
- The workload can spike around key milestones, leading to longer days on some projects.
(Based on client & employee reviews)
Baycrest brings decades of construction experience to the jobs they take on. They follow strong safety steps and handle commercial and institutional work with practiced hands. Clients get crews who manage timing and budgets well, and staff spend their days in a place full of active projects and steady motion.
Baycrest Project & Construction Management Photos
Norlon Builders
Norlon Builders has been working on industrial, institutional, and design build projects across Ontario since 1976. The team focuses on careful planning, dependable schedules, and strong site coordination, so owners feel comfortable as work moves along. Many clients return for new projects because they trust the consistent quality and client oriented service.
Best of Norlon Builders
Norlon delivers industrial and commercial buildings that support day to day operations, paying attention to layouts, access, and durable finishes that hold up under regular use and wear.
The company manages projects for schools, public facilities, and other institutions, coordinating trades, timing, and site access so these buildings keep serving communities during and after construction.
Norlon offers design build services that bring planning and construction under one roof, giving clients a single team to manage drawings, budgets, and timelines from early ideas to final handover.
Norlon Builders Reviews
Norlon Builders takes great care of how each construction job is handled. They like how the company stays open about what’s happening through the project and how the crew keeps the quality high from start to finish. Some mention how the builders listen, adjust plans when needed, and follow through.
- Clients appreciate open communication during projects and feel informed about progress at each stage.
- Reviewers mention strong build quality and value that the team adjusts plans without losing focus on the final result.
- A few reviews wish for even more detail on timelines when changes are introduced.
Staff have very different days here. One person felt welcomed and stayed for decades because the place felt warm and friendly. Another person talked about feeling let down by office support and felt that safety rules should be reinforced. These are two very different experiences from people who spent time inside the same company.
- Long term staff describe a welcoming atmosphere that encouraged them to build a career over many years.
- Some reviews value the variety of projects, which keeps daily work interesting and hands on.
- Other reviews mention concerns about office support and want stronger attention to safety practices.
(Based on client & employee reviews)
Norlon has been building things for a long time, and they carry that history into every job. They focus on helping clients feel informed and comfortable while the project moves along. Some staff describe a friendly place where they stayed for years, while others talk about rough moments with support and safety. Clients, though, notice the careful work and the attention that goes into each build.
Ball Construction Inc
Ball Construction Inc. has roots going back to 1923, when it began as Ball Brothers General Contracting. The company is still family owned and now handles major projects across the region. Green building is a core focus, with LEED experience and practical sustainability built into many jobs. Clients also value the organized project teams and the way schedules and budgets are closely managed.
Best of Ball Construction Inc
Ball Construction brings a long history to new builds, combining hands on experience with modern methods so projects move with confidence from drawings to completed spaces for owners and communities.
The team delivers projects with LEED and sustainability goals in mind, from material choices to mechanical systems, helping owners lower energy use and create healthier environments for people who use the building.
Ball Construction manages complex, multi million dollar jobs, coordinating subcontractors, site activity, and inspections so clients see progress, stay informed, and reach opening day with fewer surprises.
Ball Construction Inc Reviews
Ball Construction focuses on finishing construction projects when they say they will. They like how the crew looks for ways to solve problems instead of making things harder. Some talk about the strong quality of the buildings and how the company works well with everyone on the job, from subcontractors to consultants.
- Clients value teams that keep projects on schedule and look for practical ways to solve issues on site.
- Reviews praise the finished quality of buildings and the strong working relationships with subcontractors and consultants.
- A few reviews wish communication started even earlier around schedule risks on very large projects.
Staff work in a place that feels calm and friendly. One person talked about getting hurt and finding support right away, with helpful modified duties that made it easier to keep going. Another person enjoyed meeting new people, seeing different job sites, and picking up new skills along the way.
- Reviews highlight a friendly atmosphere with support offered when injuries happen on the job.
- Employees like meeting new coworkers, visiting many sites, and building fresh skills in the field.
- Some staff would prefer clearer paths for advancement and more structured training on future roles.
(Based on client & employee reviews)
Ball Construction has been around for a long time, and the family behind it still guides the work today. The company cares about green building and brings that into their projects. Clients see crews who stay on schedule, and staff spend their days in a setting where help is there when they need it. Plus, new experiences come with each job.
Turner Construction Company
Turner Construction Company has been active in Toronto since 1951, working on projects across Ontario. The Toronto office delivers more than two hundred and fifty million dollars in construction services each year, from compact tenant spaces to million square foot builds. Clients hire Turner for organized planning, clear communication, and dependable safety culture that keeps large, complicated work moving in a controlled way.
Best of Turner Construction Company
Turner manages towers, offices, and public buildings, coordinating trades, schedules, and inspections so owners see consistent progress and can keep daily operations running while major construction happens around their space.
The Toronto team understands local codes, city processes, and downtown job sites, helping clients move projects through permits, logistics, and neighbour concerns without losing sight of quality or timelines.
Turner focuses on planning, scheduling, and risk management, using proven systems and digital tools so project teams share information, manage changes, and keep construction aligned with budget and design goals.
Turner Construction Company Reviews
Turner Construction Company handles big construction projects with clear steps. They like how the crew keeps things moving and stays easy to work with from the start. Many enjoy how the team stays calm during busy moments and helps the job feel smoother for everyone.
- Clients like clear steps through each phase and appreciate how the team keeps projects moving without drama.
- Reviews praise crews who stay easy to work with and keep subcontractors and consultants pulling in the same direction.
- Some reviews say busy phases feel intense and would benefit from more early notice on schedule changes.
Turner Construction Company is filled with young employees who push hard and enjoy spending time together. They talk about managers who listen and try to help when concerns come up. Others point out the fair pay, the calm work hours, and the many chances to grow into new roles. A few mention tough pressure and little room to rest when things get busy.
- Employees enjoy working with other young people and spending time together on and off job sites.
- Reviews mention supportive managers, fair pay, and chances to grow into new roles over time.
- Other reviews talk about heavy pressure during crunch periods and not much chance to rest when deadlines hit.
(Based on client & employee reviews)
Turner has been part of Toronto’s building world for many decades, and their crew handles projects of all sizes. Their work covers a huge range across Ontario. People inside the company talk about friendly teams, helpful managers, and pay that feels fair, while others talk about stress and long hours.
Maple Reinders
Maple Reinders is a Canadian construction company that has delivered more than 2,900 projects across the country. Their work includes major environmental infrastructure for municipalities that depend on reliable water and waste systems. The team focuses on full cycle service, from early planning through design, building, and long term operations.
Best of Maple Reinders
Maple Reinders delivers water, wastewater, and other environmental facilities for towns and cities, coordinating complex sites and equipment so essential services keep running for local communities.
The company builds industrial plants, commercial buildings, and civic spaces across Canada, organizing trades, schedules, and suppliers so owners receive durable spaces that support everyday use.
Teams support projects from concept through design, construction, commissioning, and operations, giving clients one partner to manage details, coordinate decisions, and keep information flowing throughout the life of the asset.
Maple Reinders Reviews
Client reviews are positive. They talk about friendly people, steady hours, and managers who step in when help is needed. Some mention the good pay at Maple Reinders and a flow of projects that keeps the work moving without sudden surprises.
- Clients highlight friendly staff and managers who step in when help is needed during difficult phases.
- Reviews praise dependable hours, good pay, and a pipeline of projects that keeps crews busy throughout the year.
- Some reviews would like even more communication about upcoming work when project loads begin to change.
Employee reviews on Maple Reinders are mixed. One person liked the open communication and the fair pay they received. Another felt let down after joining and started to question the bright picture they were given at the start.
- Employees value open communication in some teams and feel pay matches the effort they put in.
- Reviews also share chances to learn new tasks and gain experience with different project types across Canada.
- Other reviews report disappointment after joining and wish the job matched the picture given during hiring.
(Based on client & employee reviews)
Maple Reinders has built thousands of projects across Canada, including big environmental jobs for towns and cities. The company talks a lot about full-cycle service and brings new ideas into their work. Clients appreciate the friendly help, while staff speak about both supportive teamwork and times when the workplace feels different than they expected.
KNYMH Inc
KNYMH Inc. is an architecture and design firm that works on many building types across Ontario. Their team includes LEED accredited professionals and technologists who focus on practical, energy conscious design. With offices in Burlington and historic downtown Cambridge, they support projects from first sketches through detailed drawings and construction support.
Best of KNYMH Inc.
KNYMH develops building designs with LEED experience behind them, choosing layouts and details that support energy efficiency, comfort, and long term use for owners and occupants.
The firm designs schools, public spaces, residential projects, and commercial buildings, adapting its approach so each project fits how people move, meet, and work inside.
With offices in Burlington and Cambridge, KNYMH meets clients closer to their sites, reviews drawings together, and stays connected as projects move from planning into construction.
KNYMH Inc Reviews
KNYMH Inc. helps clients turn their ideas into buildings. The company brings creative touches to each project and enjoys finding ways to make a plan work well. Their award-winning work shows how much care goes into shaping places that people enjoy using.
- Clients like working with designers who listen carefully and turn early ideas into practical plans and drawings.
- Reviews praise creative touches and award winning projects that still keep function and day to day use in mind.
- Some reviews wish for more updates during later construction stages as designs are being built on site.
There are many staff reviews available, but employees enjoy meeting patient coworkers who help them learn the flow of daily tasks. They get chances to try new things and take part in small pieces of larger projects.
- Employees appreciate patient coworkers who explain tasks and help new team members learn project routines.
- Reviews mention chances to try new responsibilities and contribute to parts of larger architectural projects.
- Some reviews would like clearer paths to larger responsibilities and more structured mentorship on design decisions.
(Based on client & employee reviews)
KNYMH works on many building types and brings in people trained in green design. Their second office helps them reach new areas, and their projects range from simple spaces to ones that win awards. Clients see creative help with their ideas, and staff can find small moments to grow while working on projects that keep them busy.
Nith Valley Construction Ltd.
Nith Valley Construction Ltd. is a New Hamburg based contractor focused on industrial, commercial, and institutional projects. The team handles general contracting and design build work, including public tender jobs for community facilities. They combine new construction with careful preservation of older structures, working in a town with Mennonite roots and German heritage that adds local character to their projects.
Best of Nith Valley Construction Ltd.
Nith Valley manages industrial, commercial, and institutional builds from foundations to finishes, coordinating trades, schedules, and inspections so owners receive functional spaces that support production, services, and day to day operations.
The company delivers design build and public tender projects, aligning drawings, budgets, and construction details so municipalities and private clients can move projects forward with fewer surprises.
Located in New Hamburg, Nith Valley works in a community with Mennonite history and older buildings, helping clients modernize spaces while preserving structural elements and character where possible.
Nith Valley Construction Ltd. Reviews
Nith Valley Construction is a reputable New Hamburg contractor for public tender and design build work. Clients value quality construction, professional service, competitive pricing, and projects that finish on time across industrial, commercial, and institutional sites.
- Clients experience professional service and careful site management that keeps public tender and design build projects running smoothly.
- Many appreciate competitive pricing combined with quality construction, which helps projects meet budget targets without cutting corners on workmanship.
- Some clients find that a busy schedule can limit flexibility on preferred start dates for new construction work.
Employees at Nith Valley Construction gain hands on skills while working with supportive crews. A gap year worker reports a great team experience, and long term staff praise respect from ownership and a work environment that supports healthy work and life rhythm.
- Labourers learn practical construction skills and feel supported by crews while they build experience on site.
- Superintendents experience respect from the owner and an atmosphere where good work is recognized and appreciated.
- Some employees would like even more formal training and clearer mapping of paths into supervisory roles over time.
(Based on client & employee reviews)
Nith Valley Construction specializes in industrial, commercial, and institutional work while preserving older structures where it fits the project. Clients report quality construction, fair pricing, and timely delivery, and employees experience strong teamwork, respect from leadership, and chances to build hands on skills.
PCL Constructors Inc
PCL Constructors Inc began in 1906 and has grown into an employee owned construction group. The company now delivers projects across Canada, the United States, the Caribbean, and Australia. In Toronto, their relocated office became a living lab for sustainability, with high waste diversion and early LEED v4 certification for interiors.
Best of PCL Constructors Inc
PCL operates as an employee owned group, giving staff a stake in projects while delivering work for clients across multiple countries and many different sectors.
The company manages complex jobs from planning through completion, coordinating trades, schedules, and budgets so large construction work moves in an organized and predictable way for clients.
PCL treats offices and job sites as places to test greener methods, pushing waste diversion, energy performance, and LEED goals that help owners cut impact over the life of their buildings.
PCL Constructors Inc Reviews
PCL Constructors Inc brings a lot of experience to their projects and keeps the work moving at a steady pace. They like how the staff stay helpful and make the job feel easy to follow. Some enjoy how much they learn along the way and how smoothly the team guides each step.
- Clients value experienced teams that keep projects moving and make each phase easy to understand and follow.
- Reviews praise helpful staff who guide decisions and share knowledge as complex construction work takes shape on site.
- Some reviews wish for more advance warning during very intense phases when timelines tighten.
Staff share very different moments here. One person enjoyed the perks and felt the place had a warm, easy feeling. Another talked about long days, extra hours, and not having much time to rest. The work can feel different depending on the day and the role.
- Employees appreciate perks, friendly coworkers, and a workplace that can feel relaxed between major project pushes.
- Reviews mention chances to learn, travel, and work on big jobs that build strong construction skills over time.
- Other reviews report long days, overtime, and limited time to rest during heavy project periods.
(Based on client & employee reviews)
PCL has been building for more than a century, and the company has grown into a large, employee-owned group spread across several countries. Their Toronto office even turned into a living lab for greener building, with most of the waste kept out of landfills. Clients meet a crew with deep experience. Staff talk about both friendly perks and long hours that can wear people down as the projects push forward.ifferent days, with some finding flexible hours and chances to learn while others struggle with pressure and harsh treatment. Their long history keeps the work moving across many sites, and each project brings a new pace for the folks involved.
EllisDon Corporation
EllisDon Corporation is a Canadian construction and services company that began in 1951 in London, Ontario. Today it is fully employee owned and works on major projects across Canada and beyond. The company talks openly about innovation, sustainability, and inclusive practices. Clients and staff see a business that takes on big workloads with strong benefits and demanding project schedules.
Best of EllisDon Corporation
EllisDon operates as a fully employee owned company, giving workers a direct stake in long term performance while delivering projects for public and private clients across many sectors.
The company delivers complex builds and related services, including project management and operations support, so clients can rely on one partner through planning, construction, and building use.
EllisDon invests in new methods and sustainable approaches, using technology, planning tools, and greener practices to help owners reduce energy use and long term environmental impact.
EllisDon Corporation Reviews
Client and internal reviews mention good benefits and a working environment that supports long stretches of project work. Some reviews call out strong benefits again and highlight that there is always plenty of work moving through the company, especially on large jobs in Mississauga and beyond.
- Clients and internal reviewers appreciate strong benefits paired with active project pipelines and consistent construction activity.
- Reviews praise the amount of work available, which helps teams build experience on many different jobs.
- Some reviews hint that heavy workloads can create pressure when many projects run at the same time.
Employee reviews show two very different sides. One health and safety representative talks about a fast paced place with lots to learn, flexible schedules, good culture, and strong benefits. Another construction manager reports poor management, little care for employees, and a workplace culture that feels money-focused.
- Some employees value flexible schedules, good benefits, and a culture that supports learning across many tasks.
- Positive reviews mention a fast pace with plenty of chances to pick up new skills on active sites.
- Other reviews report harsh management, a money first mindset, and a culture that feels unhealthy for staff.
(Based on client & employee reviews)
EllisDon has grown from a London, Ontario start up into a large, employee owned construction company. The business promotes innovation, sustainability, and inclusion on paper and through many projects. Reviews highlight strong benefits, flexible schedules, and busy job sites, along with serious concerns about management style and culture from some roles. Experience inside the company can shift sharply depending on team and position.
Eastern Construction Company Limited
Eastern Construction Company Limited has been building across Canada since 1951 and recently marked its seventieth anniversary. The team focuses on adaptive reuse of heritage structures, high performance low carbon buildings, and tall wood projects. Many of their jobs sit in busy urban areas, so planning, coordination, and careful staging play a big role in how each site runs.
Best of Eastern Construction Company Limited
Eastern Construction helps owners renew older buildings, strengthening structures, updating systems, and protecting character details so heritage spaces can meet modern codes and daily use.
The company delivers low carbon projects with envelopes, systems, and materials chosen to cut energy use and emissions while still keeping spaces comfortable for the people who use them.
Eastern Construction works on tall wood and dense city projects, coordinating trades, traffic, and services so intricate jobs finish safely on tight sites with many moving parts.
Eastern Construction Company Limited Reviews
Eastern Construction Company is confident in their construction work, even when the job looks complicated. Finishing the waterfront work for the Pan Am Games showed how well they handle tight schedules and heavy tasks like rail shifts and deep service lines. Their way of building long-lasting relationships comes up often in reviews, especially on busy urban sites where trust matters.
- Clients value how the team handled Pan Am Games waterfront work with tight timelines and demanding site conditions.
- Reviews praise long term relationships and trust built on complex urban projects with rail shifts and deep services.
- Some clients would welcome more breathing room in schedules when projects involve many agencies and stakeholders.
Some employees talk about kind coworkers who make learning easy and keep the mood light. Others mention long stretches of work that leave little room to slow down. The experience seems to depend on the moment, the project, and the pace of whatever is happening that week.
- Employees appreciate kind coworkers who help with learning tasks and keep job sites feeling friendly during busy days.
- Positive reviews mention chances to grow skills while working on challenging city projects with interesting technical demands.
- Other reviews report long stretches of work with limited time to slow down between deadlines.
(Based on client & employee reviews)
Eastern Construction has been around for many years, working on heritage spaces, low-carbon buildings, and tall-wood designs across Canada. Their projects often sit in lively city areas with lots of moving parts, and the company approaches those jobs with patience and careful planning. People inside mention friendly faces and room to grow, while also noting days when the hours stretch out.