What International Builders Inc. does

International Builders, Inc. is a privately held, family-owned custom construction and renovation company founded in 1994 and headquartered in Wellesley, Massachusetts. The firm delivers four core service lines: custom home construction (start-to-finish), remodeling and renovation (including historic preservation), kitchen and bathroom renovations (carrying a 5-year guarantee), and commercial space build-outs and tenant improvements. It serves affluent residential homeowners in Greater Boston, Cape Cod, Rhode Island, and select overseas markets such as Saint-Bart's, alongside commercial clients in property management and hospitality. Approximately 90% of business is generated through client referrals, reflecting a reputation-based demand model anchored by owner Charles Malafaia, who has over 40 years of industry experience and personally supervises every project.

The company operates on a project-based, quote-priced revenue model with no fixed pricing tiers or subscription components. Its go-to-market is direct and field-led: the owner and senior team engage prospective clients in person, often via referral introduction, and deliver customized scope-and-spec proposals. Marketing is almost entirely earned — referral word-of-mouth, magazine features in Wellesley Magazine and New England Magazine, project galleries on the company website, and named client testimonials — rather than paid acquisition. The firm earned the 2018 Concord Historical Preservation Award from the Concord Historical Society and maintains Better Business Bureau Accreditation, both of which function as trust signals in the high-end residential segment.

The business is supported by a small, named senior team: Charles Malafaia (Owner/Founder), Silvano Charles (President), Marcel Weber C. (Project Manager), and Elizabeth Weber (Office Manager). No total headcount, revenue, or financial figures are publicly disclosed. Notably, multi-decade client relationships — including Jon Rotenberg (30+ years), Gary L. Saunders (since ~1999), and David F. D'Alessandro, former CEO of John Hancock Tower (13+ years) — illustrate the relationship-driven, retention-heavy nature of the business. There is no software, AI, or proprietary technology component; the product is delivered craftsmanship and project supervision.

Name

International Builders Inc.

Legal name

International Builders, Inc.

Website

https://intbuilders.com

Company type

Private

Founded year

1994

Operating status

Operating

Headcount range

11–50 employees

Short description

International Builders Inc. is a family-owned, Wellesley, Massachusetts-based custom home builder and renovation firm serving affluent residential and commercial clients in Greater Boston, Cape Cod, Rhode Island, and select overseas markets, with approximately 90% of business sourced through referrals.

Ownership category

akta.pro rank

Product category

Custom Residential Construction and Renovation Services

NAICS

New Housing For-Sale Builders (236117), Residential Remodelers (236118), Commercial and Institutional Building Construction (236220), New Single-Family Housing Construction (except For-Sale Builders) (236115)

SIC

General Bldg Contractors - Residential Bldgs (1520), General Bldg Contractors - Nonresidential Bldgs (1540), Operative Builders (1531)

akta.pro primary industry

Custom Home Building (IMAFABAC)

akta.pro secondary industries

Residential Design-Build & Renovation-Integrated Builders (IMAFABAE), Whole-Home Interior Renovation (Non-Structural) (HSAPAEAC), Office & Corporate Building Construction (IMAFACAA)

Keywords

• Custom home construction
• Residential remodeling
• Historic home renovation
• Kitchen and bathroom renovation
• Commercial build-outs

Headquarters

HQ city

Wellesley

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales, Others

Revenue model

1. Custom Home Construction: Design and build custom homes from start to finish. Revenue is project-based and varies by scope, location, and specifications of each custom home.
2. Remodeling and Renovation Services: Complete renovation and remodeling services including historic preservation, modern renovations, kitchen and bathroom updates. Project-based revenue with pricing determined by scope and materials.
3. Commercial Spaces: Commercial office build-outs, retail space construction and renovation, and tenant improvements. Project-based revenue from business clients.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels5 records

Core offering

International Builders, Inc. is a family-owned custom construction company that designs and builds custom homes from start to finish, performs residential remodeling and renovations (including historic preservation, kitchens, and bathrooms with a 5-year guarantee), and delivers commercial space build-outs and tenant improvements. Services are project-based, quote-priced, and supervised personally by the owner across Greater Boston, Cape Cod, Rhode Island, and overseas markets.

Product overview

International Builders Inc. is a family-owned custom home builder and renovation company offering four core service lines: Custom Homes (start-to-finish custom home construction), Remodeling (for single-family homes and condominiums), Kitchen and Bathroom renovations (with a 5-year guarantee), and Commercial Spaces (office and retail builds/renovations). The company operates throughout Greater Boston, Cape Cod, Rhode Island, and international markets including Saint-Bart's. As a construction services company rather than a software platform, the portfolio consists of service offerings rather than distinct software products or modules.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• 90% of business comes from client referrals
• +2 more outcomes

Named customers6 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• Better Business BureauminorOthersInternational Builders is BBB Accredited, indicating they meet BBB standards for ethical business practices and have been vetted for trustworthiness.

Scale indicators4 records

Recent moves5 records

Expansion highlights4 records

Emerging players

• Stuart Dean: National specialty contractor focused on building restoration, maintenance, and renovation. Comparable overlap in restoration and renovation work, particularly in historic and high-end commercial properties.

Direct peers

• Seaver Construction: Boston-area residential and commercial general contractor specializing in high-end custom homes and renovations. Highly comparable given overlapping geography, custom-residential focus, and similar client profile in affluent Greater Boston suburbs.
• CRD Design Build: Design-build firm offering custom home construction, remodeling, and additions with a personal-project-management model. Comparable as a premium integrated design-builder serving affluent homeowners with similar start-to-finish service.
• Bisson Construction: New England general contractor offering custom homes, renovations, and commercial construction. Comparable mix of residential custom builds, remodels, and commercial space work in a similar regional market.
• BOWA: Luxury design-build remodeling and custom home firm serving affluent clients in the DC metro area. Comparable in focus on high-end whole-home renovations, custom builds, and a relationship-driven, owner-involved service model.
• C.E. Floyd Company: Boston-area general contractor delivering custom residential and commercial projects. Comparable given shared Greater Boston geography and mix of custom homes, renovations, and commercial work.

Broad incumbents

• Dellbrook | JKS: Larger New England general contractor with significant residential and commercial portfolio. Comparable as a broader New England competitor offering custom residential and commercial construction.
• Suffolk Construction: One of the largest general contractors in the Greater Boston area, with diverse commercial and institutional building capabilities. Comparable as a Boston-based incumbent with overlapping commercial and select residential expertise.
• John Moriarty & Associates: Established Boston-area general contractor focused on large-scale residential, commercial, and institutional projects. Comparable geography and overlap in higher-end residential and commercial building.
• Toll Brothers: National luxury homebuilder with a broad portfolio of new custom and move-in homes. Comparable in luxury-residential focus, though at much larger scale and for-sale production model rather than custom one-off builds.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/international-builders-inc-boston

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about International Builders Inc.