Constantine Commercial Construction

What Constantine Commercial Construction does

Constantine Commercial Construction, LLC is a full-service commercial general contractor and construction manager founded in 1988 and headquartered at 9494 Deereco Road in Timonium, Maryland, operating exclusively within the Baltimore metropolitan area. The company specializes in tenant fit-outs and serves four primary verticals: legal/banking/executive offices, medical and healthcare facilities, retail and hospitality, and educational institutions. Its service portfolio spans the full project lifecycle, including cost estimating, competitive bidding (with a minimum of three subcontractor quotes per trade), project scheduling, scope review, shop drawing coordination, field supervision, meeting management, accounting and cost control, and punchlist inspection.

The business model is project-based and sales-led. Revenue is generated through commercial general contracting and construction management engagements, with pricing determined via competitive bidding and cost-plus arrangements on a quote-by-quote basis. The go-to-market is referral-driven: the company reports a 99% repeat business rate, with the majority of new projects sourced from direct referrals by satisfied customers, supplemented by a professional website, LinkedIn and Instagram presence, and recurring earned media coverage in the Baltimore Business Journal. Notable enterprise clients include Mariner Financial (79,091 sq ft headquarters fit-out), Cushman & Wakefield, Johns Hopkins University, UMMS Pediatrics, Berkshire Hathaway, Saul Ewing Arnstein & Lehr LLP, Brown Goldstein & Levy, Sinclair Broadcasting, Tarbay/High Street Realty, and Pinkard Properties.

The firm operates as a privately held LLC, founded and led by Michael D. Constantine (President), with principals Shawn Gardini (Vice President) and Franz Fearnley (Senior Project Manager). No funding rounds, acquisitions, subsidiaries, or AI/technology initiatives are disclosed. The company is actively hiring for Project Manager, Project Superintendent, and Carpenter roles, signaling ongoing operational capacity expansion within its Baltimore-metro footprint.

Name

Constantine Commercial Construction

Legal name

Constantine Commercial Construction, LLC

Website

https://ccconst.com

Company type

Private

Founded year

1988

Operating status

Operating

Headcount range

51–100 employees

Short description

Constantine Commercial Construction, LLC is a Baltimore-metro commercial general contractor and construction manager founded in 1988, specializing in tenant fit-outs for legal, healthcare, retail, and educational clients.

Ownership category

akta.pro rank

Product category

Commercial Construction Services

NAICS

Commercial and Institutional Building Construction (23622), Commercial and Institutional Building Construction (236220)

SIC

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

akta.pro primary industry

Commercial General Contracting (New Build) (IMAFAAAA)

akta.pro secondary industries

Office & Corporate Building Construction (IMAFACAA), Retail & Mixed-Use Commercial Construction (IMAFACAB)

Keywords

• Commercial construction
• Tenant fit-out
• Construction management
• General contracting
• Commercial renovation

Headquarters

HQ city

Lutherville Timonium

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Commercial Construction Services: Revenue generated through commercial general contracting and construction management services, including tenant fit-outs, renovations, and new construction projects for commercial clients. Projects range in size and scope, with pricing based on competitive bidding and cost-plus arrangements.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Constantine Commercial Construction, LLC is a full-service commercial general contractor and construction manager in the Baltimore metropolitan area, founded in 1988. The company specializes in tenant fit-outs and delivers construction and renovation projects across legal, banking, executive office, medical, retail, and educational verticals, supported by an integrated construction project management process covering budgeting, cost estimating, competitive bidding, scheduling, scope review, shop drawing coordination, field supervision, and punchlist inspection.

Product overview

Constantine Commercial Construction offers a unified suite of commercial construction services centered around tenant fit-outs and general contracting in the Baltimore metropolitan area. The core offering is full-service commercial general contracting, supported by specialized service verticals for Medical, Legal/Banking/Executive Offices, Retail, and Educational sectors. The company also provides integrated construction project management services covering the full project lifecycle from budgeting and cost estimating through scheduling, scope review, project coordination, shop drawing management, field supervision, meeting management, accounting, and final punchlist inspection. These services operate as an integrated offering rather than standalone modules, with the specialized sector services supported by the underlying project management capabilities.

Differentiator

Problem solved

Functional benefit

Products and services

• Commercial General Contracting Services Full-service commercial general contracting providing construction management, tenant fit-outs, and project delivery for commercial facilities in the Baltimore metropolitan area. Targeted at enterprises and institutions across legal, financial, medical, retail, and educational verticals.
• Medical Facility Construction

Quantifiable outcome

• 99% repeat business rate through building relationships one customer at a time
• +1 more outcomes

Named customers19 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators3 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Clark Construction Group: One of the largest U.S. commercial GCs, headquartered in the Mid-Atlantic region (Bethesda, MD); competes for major commercial and institutional work in Baltimore but operates at significantly larger scale and across broader project types.
• The Whiting-Turner Contracting Company: Headquartered in Baltimore, Whiting-Turner is one of the largest employee-owned U.S. commercial GCs and a direct regional incumbent to Constantine; both target commercial tenant fit-outs and institutional clients in the Baltimore metro, though Whiting-Turner operates nationally at much larger scale.
• Barton Malow Company: Large diversified U.S. construction firm with significant Mid-Atlantic operations and a strong interiors/tenant improvement practice; broader portfolio than Constantine but overlapping target clients in commercial and institutional sectors.
• Gilbane Building Company: Large national commercial GC with a strong Mid-Atlantic presence and dedicated interiors/ti practice; competes with Constantine for institutional commercial fit-outs in the Baltimore metro but at substantially larger scale.

Direct peers

• Southway Builders: Baltimore-area commercial GC providing tenant fit-outs, interior construction, and renovation services for office, healthcare, and institutional clients — closely aligned with Constantine's core offering and geography.
• J. Vinton Schafer & Sons: Mid-Atlantic commercial GC headquartered in the Baltimore/DC region specializing in commercial, institutional, and tenant improvement projects — directly comparable in scale, geography, and service offering.
• Harkins Builders: Mid-Atlantic commercial GC with strong presence in Maryland and the Baltimore/Washington corridor, focused on multifamily, commercial, and institutional construction — comparable size, geography, and project mix to Constantine.
• Brawner Builders: Maryland-based commercial GC focused on office interiors, healthcare, and institutional build-outs in the Baltimore/Washington corridor — comparable regional size and tenant fit-out specialty.
• Plano-Coudon Construction: Baltimore-based commercial GC specializing in tenant fit-outs, interior build-outs, healthcare, and institutional construction — closely overlapping Constantine's service verticals and Baltimore metro footprint.

Regional players

• W.M. Schlosser Co. Mid-Atlantic commercial interior/tenant improvement GC operating primarily in the greater Baltimore-DC market; comparable size and service mix though with somewhat broader geographic reach.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/constantine-commercial-construction/?lipi=urn%3Ali%3Apage%3Ad_flagship3_search_srp_companies%3B7CAyUxElSTuLwKUzJUQZTQ%3D%3D
• Instagraminstagram.com/constantine_commercial

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 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 Constantine Commercial Construction