Also known as “Watch City,” Waltham has a long history of watch manufacturing. Today, it is home to tech companies, healthcare providers, and financial institutions. With a high median income and robust business climate, it is the perfect place to launch a business.

We have gathered a list of the best commercial contractors in Waltham, Massachusetts to help you find the right partner. We chose these contractors for their reputation, accomplishments, and expertise.


Commodore Builders

404 Wyman St. Ste. 400, Waltham, MA 02451

Commodore Builders is a veteran-owned company that promotes diversity and inclusion. As a leading commercial contractor in the Greater Boston Area, it offers a full range of construction services. From general contracting to construction management, it delivers superior service and exceptional results. 

Commodore understands the importance of worker wellness and safety. It has been recognized as a “Best Place to Work” by The Boston Globe and Boston Business Journal. It received the 2014 AGC Excellent Safety Record Award along with 24 other firms for its safety track record. 

The company has delivered projects for a variety of markets, including retail, corporate interiors, healthcare, and banking and finance. Its projects include the Whitney Hotel, a LEED-Certified building in Boston. For this project, Commodore built over 13,000 square feet of additions and made structural renovations to about 24,000 square feet of space. The project was completed over an 18-month period. It won the Boston Preservation Alliance 2020 Preservation Achievement Award Brick Industry Association and 2019 Brick in Architecture Silver Award.

Commodore is affiliated with the New England Chapter Construction Management Association of America (CMAA). Its projects have been featured in Building Design + Construction, Boston Real Estate Times, and The Wall Street Journal. The company was established in 2002. 

President and CEO Joseph J. Albanese is the recipient of the 2020 Admiral Ben Montoya Award and the 2019 Caritas Communities P. Leo Corcoran Humanitarian Award. He previously served as a Naval Officer. Joseph studied civil engineering at the Questrom School of Business, Boston University.


Vantage Builders, Inc.

204 Second Ave., Waltham, MA 02451

Established in 2000, Vantage Builders is an expert in commercial contracting and collaborative service throughout Waltham. The firm is adept in pre-construction, construction management, and design-build work for various sectors. Clients usually come from corporate, education, retail, healthcare, industrial, and cannabis markets.

Ed Silva and John Connor are the founding principals of the company. Their team consists of experts dedicated to functional spaces fit for work and personal use. From ground-up construction to tenant improvements, Vantage is dedicated to creating environments for their client’s success. Forging client relationships is an integral part of their process, and many projects result in long-term partnerships that last decades.

Its projects include the Watch Factory, a mixed-use development in Waltham. Located along the Charles River, the 400,000-square-foot development houses several tenants, including LumiraDX and Takeoff Technologies. Vantage has worked on multiple projects for the client, including office build-outs, complete tenant improvements, and common area upgrades.


Delphi Construction Inc.

255 Bear Hill Rd., Ste. 301, Waltham, MA 02451

Delphi Construction, Inc. believes in “Building Responsibly,” putting clients’ needs first. The company’s unwavering commitment to honesty, integrity, safety, and sustainability makes it one of the most trusted commercial contractors in the area. With offices in Waltham and Cape Cod,  it addresses the needs of developers, building owners, and property managers.  

With 70 full-time staff members, the company prioritizes operation safety for employees and subcontractors. Its safety program and policy has been certified as a STEP Safety Award Platinum. By focusing on worker safety, Delphi is able to deliver projects on schedule and within budget. 

The company offers comprehensive, multimarket construction management services in New England. It has delivered projects in the corporate, banking, healthcare, and modular construction markets. Its projects include the Tennis House at Brae Burn Country Club in Newton.

The Tennis House spans 2,085 square feet. It features an indoor sitting area, merchandising space, and a wraparound veranda. For this project, Delphi removed several utility buildings and regraded the cross slope to build a new, slab-on-grade building. 

Delphi is affiliated with the Associated General Contractors of America, Inc. (AGC) and Associated Builders and Contractors (ABC). Its projects have appeared in Boston Real Estate Times, Cape Cod Times, and New England Real Estate Journal.  The company was established in 1992. 

Chairman Jake Simmons has over 25 years of experience in the construction industry. He attended the University of New Haven.

President Keith Shaw has over 30 years of industry experience, having worked as an apprentice carpenter and launching a construction business before joining Delphi.


CTA Construction Managers

400 Totten Pond Rd. 2nd Flr., Waltham MA 02451

CTA Construction strives for exceptional projects. Its business motto, “Great Building Starts Here,” captures its commitment to quality and client satisfaction. The company takes an intelligent approach to commercial projects, making use of reliable management systems and offering competitive prices. Its strict adherence to schedules and budgets makes it one of the most in-demand contractors in the Waltham area. Its name is synonymous with construction quality and effective management.  

As an award-winning construction management and general contracting firm, CTA has delivered over $1.5 billion worth of projects since its founding in 2000. It has awarded over $100,000,000 in contracts to certified small, disadvantaged, minority, and women-owned businesses. The company is also an industry leader in green building, helping clients meet stringent LEED and MA-CHPS standards.

CTA has delivered projects for clients in the retail, hospitality, and multifamily residential markets.  These projects include the Joint Forces Headquarters in Bedford. The company completed work on the 120,000-square foot office building in two phases. The project had a total contract value of $24,000,000. 

The company is affiliated with Associated Builders and Contractors (ABC) and the Collaborative for High Performance Schools Massachusetts (MA-CHPS). Its projects have appeared in Boston Real Estate Times, New England Real Estate Journal, and The Sun Chronicle

Director Lyle Coghlin has over 25 years of construction management experience. He has managed and overseen the completion of about 60 commercial and retail building projects. Director Patrick Tompkins has more than 25 years of construction experience and has overseen more than $1 billion in construction projects.

Principal Jeffrey Hazelwood has over 25 years of construction management and engineering experience, overseeing all aspects of the company. Principal Paul DuRoss has over 23 years of industry experience and has received numerous awards, including Building Project of the Year from the Construction Management Association of America.


Seaver Construction, Inc.

215 Lexington St., Woburn, MA 01801

Seaver Construction believes that “construction is a time of new beginnings and possibilities.” The company views the process as an opportunity to exceed client expectations. As an award-winning commercial contractor, Seaver is known for personalized service and construction quality. 

Based in Woburn, the company serves clients in eastern Massachusetts and southern New Hampshire. It has delivered projects for commercial, residential, and institutional clients. No matter the size or scope of the project, Seaver strives to complete projects within budget and on schedule. It offers a broad range of pre-construction and construction services to meet the needs of each client. 

It has worked on some of the finest corporate interiors, retail spaces, and medical offices in Massachusetts. Its many projects include Busa Wine & Spirits in Burlington. The company carried out renovation work on 8,000 square feet of retail space. The project had a total contract value of $280,000 and was completed in 2016. 

Seaver has been featured in Engineering News-Record, New England Real Estate Journal, and Boston Real Estate Times. The company is accredited with the Better Business Bureau (BBB) and National Association of the Remodeling Industry (NARI). 

President Scott Seaver has over 36 years of construction experience. He studied architectural engineering at Wentworth Institute of Technology. He is a Gold Medal Winner in the Vocational Skills Olympics.


Sterling Construction

85 Swanson Rd. Ste. 150, Boxborough, MA 01719

Sterling Construction simplifies complex construction projects through streamlined collaboration between the company and the client. The secret to its success is a leadership and executive team that takes a hands-on strategic role in every project. The company specializes in feasibility studies and design-build and preconstruction services. It serves clients in Waltham, Boxborough, and the surrounding areas.    

The company seeks out challenging projects that other contractors may avoid. It consciously takes on a limited number of clients to maintain a high level of quality. It also makes use of the latest tools and technologies for exceptional results. As a result, the company’s business is 98% repeat clients each year. 

Sterling has created some of the most distinctive medical, financial, and real estate offices in the Waltham area. Its robust portfolio includes the Realogy corporate office, a single-story office space. The project includes multiple offices and departments that have been consolidated into a modern, corporate interior. The result is a modern and high-end corporate space that reflects the client’s brand personality. 

Sterling is affiliated with the Associated General Contractors of America, Inc. (AGC). Its staff includes Master Electricians, Boston Builders license ABC Unrestricted, and LEED AP Professionals. The company was established in 2016. 

President Andrew Colameta , LEED AP is a Master Electrician with more than 20 years of construction experience.  He studied construction and business management at Wentworth Institute of Technology and Mount Wachusett Community College, respectively.


Altair Construction

130 Rumford Ave. Ste. 116, Newton, MA 02466

Altair Construction specializes in new builds and renovations for commercial clients in the Greater Boston Area. As a premier construction management company. It takes pride in delivering projects on time and within budget. Known for superior quality and service, Altair is committed to being on target with each project. The company is Occupational Safety and Health Administration (OSHA) trained and certified, prioritizing worker safety and wellness throughout the construction process. 

The company provides preconstruction, new construction, construction management, and interior and exterior renovations. It holds Unrestricted Construction Supervisors’ licenses and Home Improvement Contractor certification. It works closely with local building inspectors to ensure the timely completion of its projects.

Its portfolio includes restaurants, retail spaces, and medical and financial offices. The company did an interior fit-out for Colette Wine Bistro in Cambridge. The 2,000-square-foot Bistro-style restaurant features a custom bar and bar front built by Altair carpenters. It also features new millwork, lighting fixtures, and equipment along with faux finish painted walls. The result is a sophisticated dining space that evokes Paris’s streetside restaurants.  

Altair has been featured in The Boston Globe and Boston Citizen Herald. The company was established in 2016. Its founders have a combined experience of over 80 years. 

President David Ferreira has more than 20 years of experience in the construction industry. He supports and participates in several charitable and industry-related organizations, including Habitat for Humanity, Cycle for Life, and Urban Land Institute-Boston. David also sits on the board of the Town of North Reading’s Economic Development Committee.