Colantonio
Colantonio is a Massachusetts-based construction management and general contracting firm delivering preconstruction, CM at Risk, and Design-Bid-Build services across the public and private sectors with self-performed sitework, carpentry, and concrete trades.
- Company typePrivate
- Founded1978
- HeadquartersHolliston, United States
- Headcount11–50
- GTM typeB2B
- OfferingServices
What Colantonio does
Colantonio is a Massachusetts-based, privately held construction management and general contracting firm founded in 1978 by Francis Colantonio and headquartered in Holliston, MA. The firm delivers preconstruction, construction management, and general contracting services under both Massachusetts Chapter 149 (Design-Bid-Build) and Chapter 149A (Construction Management at Risk) delivery methods, serving a roughly 50/50 mix of public-sector owners (municipalities, housing authorities, state agencies, public institutions) and private-sector clients (affordable and mixed-income housing developers, senior-living operators, nonprofit owners). Typical projects range from $10 million to $75 million across historic preservation, affordable housing, academic, municipal, and public-safety facilities, including award-winning assignments such as the Massachusetts State House Senate Chamber renovation and the Dorchester Community Center.
The firm differentiates through self-performance across three trades - sitework, carpentry, and concrete - which gives it direct control over cost, schedule, and quality on portions of every project. Estimating is grounded in actual historical costs across these trades and supported by Insite Grading Software for import/export analysis; project delivery leans on BIM, 3D scanning, concrete scanning, drone photography, and Trimble layout. Field and preconstruction staff average 24-32 years of construction experience, supporting a 70% repeat-client rate and an EMR of 0.87 that materially below the industry average. The firm's business model is project-based, contract-driven, and quote-priced with no published unit pricing; revenue is recognized via long-cycle construction contracts rather than recurring software or service fees.
Colantonio is founder-owned under Chairman and CEO Francis Colantonio, with President George Willwerth (who joined as a Holliston High School intern in 1987 and returned after a Kiewit stint) overseeing estimating, project management, and field supervision. Vice President Christopher Powers leads preconstruction, CFO Leanne Floyd oversees finance and risk, and a Director of Safety, Director of Business Development, Director of Marketing, BIM/MEP Coordinator, and Senior Estimators round out a deep operating bench. The firm has grown entirely organically from a carpentry trade business into a stated $120 million enterprise, has no parent company, no outside private-equity or venture-capital ownership, and operates exclusively within Massachusetts despite holding Chapter 149/149A qualifications that make it a preferred bidder on Commonwealth public work.
Colantonio firmographics
Firmographics- Name
- Colantonio
- Legal name
- Colantonio, Inc.
- Website
- https://colantonioinc.com
- Company type
- Private
- Founded year
- 1978
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Colantonio is a Massachusetts-based construction management and general contracting firm delivering preconstruction, CM at Risk, and Design-Bid-Build services across the public and private sectors with self-performed sitework, carpentry, and concrete trades.
- Ownership category
- akta.pro rank
Where Colantonio is headquartered
LocationHeadquarters
- HQ city
- Holliston
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Colantonio business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Infrastructure, Marketing or Sales, Technology or R&D, Supply Chain
Revenue model
- Construction Contracting: Project-based revenue from construction management and general contracting services for public and private sector clients. Projects range from $10 million to $75 million in value. Revenue is derived from competitive bids on public projects and negotiated contracts in the private sector.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom project-based pricing based on competitive bidding or negotiated contracts |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels3 records
Colantonio product offering
Product offeringCore offering
Colantonio is a construction management and general contracting firm that delivers preconstruction estimating, construction management, general contracting, and self-performed sitework, carpentry, and concrete services for public and private sector clients in Massachusetts. Projects typically range from $10 million to $75 million and span new construction, renovation, historic preservation, affordable housing, academic, and municipal facility work, delivered under both CM at Risk (Chapter 149A) and Design-Bid-Build (Chapter 149) contracts.
Product overview
Colantonio is a $120 million construction management and general contracting firm offering a unified service platform centered on preconstruction, construction management, and general contracting services. The company distinguishes itself through self-performance capabilities across sitework, carpentry, and concrete trades—providing firsthand experience that enables more accurate estimating, better cost control, and superior quality. The firm leverages technology including Building Information Modeling (BIM), 3D scanning, concrete scanning, and drone photography to deliver complex projects using both Construction Management at Risk and Design-Bid-Build delivery methods. Projects typically range from $10–$75 million across the private and public sectors, with demonstrated expertise in historic preservation, academic, affordable housing, and municipal facilities.
Differentiator
Problem solved
Functional benefit
Products and services
- Preconstruction Services
Quantifiable outcome
- 70% repeat client rate demonstrating high customer satisfaction
- +2 more outcomes
Companies that use Colantonio
Customer profileNamed customers14 records
Segments4 records
Ideal customer profiles2 records
Colantonio technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
Colantonio partnerships and signals
Strategic signalScale indicators7 records
Recent moves10 records
Expansion highlights5 records
Colantonio competitors and assessment
Company assessmentDirect peers
- Bond Brothers: Massachusetts-rooted CM/GC firm with civil and building capabilities serving public and private clients. Comparable on regional concentration and project-mix in academic, housing, and institutional work.
- Dellbrook | JKS Construction: New England CM firm specializing in multifamily residential, senior living, and mixed-income housing — a core Colantonio segment. Comparable size and regional focus.
- Lee Kennedy Company: Boston-based CM firm focused on institutional, academic, and commercial construction in Massachusetts. Similar project-mix and self-perform approach to Colantonio.
- Consigli Construction: Massachusetts-based construction management and general contracting firm serving institutional, healthcare, academic, and historic clients across New England. Comparable in self-perform craft capability and regional focus, though meaningfully larger than Colantonio.
- CTA Construction Managers: Massachusetts-based CM firm competing for similar state DCAMM, municipal, and affordable-housing projects. Matches Colantonio on size, geography, and public-sector bid focus; multiple Colantonio team members have CTA on their resumes.
Broad incumbents
- Whiting-Turner Contracting Company: National CM/GC firm with East Coast offices. Competes with Colantonio on Massachusetts institutional, academic, and commercial work but at materially larger scale.
- Shawmut Design and Construction: Boston-headquartered national CM firm with a strong institutional, academic, and hospitality practice. Directly competes with Colantonio in Massachusetts but operates at a meaningfully larger scale and broader geography.
- Gilbane Building Company: National CM firm with deep Boston presence and a strong public-sector and institutional practice. Competes for many of the same Massachusetts higher-ed, civic, and housing-authority projects as Colantonio.
- Skanska USA Building: Swedish-rooted global contractor with a major Boston-area presence. Competes for large Massachusetts institutional and civil projects though typically at a project size larger than Colantonio's typical $10M-$75M range.
- Suffolk Construction: One of the largest Boston-headquartered general contractors, competing for the same DCAMM, healthcare, and higher-education projects as Colantonio but at multibillion-dollar revenue scale.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks4 records
Key highlights6 records
Customer concentration
Colantonio social profiles
Digital presenceColantonio financial estimates
Financial estimateRevenue estimate
Valuation estimate
Colantonio leadership team
Management profileNumber of profiles
Profiles11 records
Colantonio funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Colantonio M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Colantonio
What does Colantonio do?
Colantonio is a construction management and general contracting firm that delivers preconstruction estimating, construction management, general contracting, and self-performed sitework, carpentry, and concrete services for public and private sector clients in Massachusetts. Projects typically range from $10 million to $75 million and span new construction, renovation, historic preservation, affordable housing, academic, and municipal facility work, delivered under both CM at Risk (Chapter 149A) and Design-Bid-Build (Chapter 149) contracts.
Is Colantonio a public or private company?
Colantonio is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Colantonio founded?
Colantonio was founded in 1978. It employs 11 to 50 people.
Where is Colantonio based?
Colantonio is headquartered in Holliston, United States, in the North America region.
How does Colantonio make money?
One revenue line is on record: construction Contracting.
Who are Colantonio's main competitors?
Direct peers on record are Bond Brothers, Dellbrook | JKS Construction, Lee Kennedy Company, Consigli Construction and CTA Construction Managers. Broad incumbents are Whiting-Turner Contracting Company, Shawmut Design and Construction, Gilbane Building Company, Skanska USA Building and Suffolk Construction.
Does Colantonio have an API?
No public API is recorded for Colantonio.