Walter L. Phillips, Inc.

Name

Walter L. Phillips, Inc.

Legal name

Walter L. Phillips, Inc.

Website

https://wlpinc.com

Company type

Private

Founded year

1945

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Product category

Land Development Engineering Services

NAICS

Landscape Architectural Services (54132), Land Subdivision (23721)

SIC

Land Subdividers & Developers (No Cemeteries) (6552)

akta.pro primary industry

Urban Planning & Master Planning (BPAHAKAD)

Keywords

• Civil engineering services
• Land surveying
• Land planning
• Landscape architecture
• Site development

Headquarters

HQ city

Falls Church

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. Professional Engineering Services: Fee-for-service professional services including civil engineering, land surveying, land planning, landscape architecture, and arborist services. Revenue is generated through project-based engagements for site development, rezoning applications, construction documents, and technical approvals.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Walter L. Phillips, Inc. is a land development engineering firm delivering integrated civil engineering, land surveying, land planning, landscape architecture, arborist, and related engineering services to property developers, builders, architects, and government entities. Projects are guided from preliminary feasibility and concept plans through rezoning, engineering construction documents, permit processing, construction coordination, and final as-built and bond release. Services are concentrated in the Washington Metropolitan DC and Northern Virginia region.

Product overview

Walter L. Phillips, Inc. is a land development engineering firm offering a unified suite of professional services for the mid-Atlantic and Washington Metropolitan DC area. The company provides six integrated service lines: Civil Engineering (site/subdivision design, stormwater management, street design, LEED-oriented design, earthwork analysis, water quality assessments), Land Surveying (boundary/topographic surveys, ALTA surveys, easement plats, legal descriptions, construction stakeout, as-built surveys), Land Planning (concept plans, rezoning, feasibility analysis, master plan consulting, due diligence), Landscape Architecture (jurisdiction-compliant landscape plans, hardscape documents, sustainable design, parks, plazas, green roofs), Arborist Services (vegetation mapping, tree preservation, reforestation, invasive plant management), and Related Services (LEED certification support, sustainable design, low impact design, construction support, permitting, expert testimony). These services are delivered by a multidisciplinary team to guide projects from preliminary phases through construction coordination and final bond release.

Differentiator

Problem solved

Functional benefit

Products and services

• Civil Engineering Civil engineering services covering site and subdivision design, stormwater management design, street design, LEED-oriented design, earthwork analysis, and water quality impact assessments for property developers, builders, and government clients.
• Land Surveying Land surveying services including boundary and topographic surveys, ALTA/ACSM land title surveys, easement plat preparation, legal descriptions, construction stakeout, and as-built surveys for developers, builders, architects, and government entities.
• Land Planning Land planning services including concept plans, rezoning applications, feasibility analysis, master plan consulting, and due diligence assistance for developers, architects, and government clients.
• Landscape Architecture Landscape architecture services including jurisdiction-compliant landscape plans, landscape and hardscape construction documents, sustainable landscape design, site amenity areas, open space design, plazas, streetscapes, parks, recreation facilities, green roofs, and construction monitoring.
• Arborist Services Arborist services including existing vegetation mapping, vegetation inventory and evaluation, tree preservation plans, reforestation plans, and invasive plant management plans and specifications for development projects.
• Related Engineering Services Related engineering services including LEED certification support, sustainable design, low impact design (LID), construction support, value engineering and evaluation, bonding and permitting assistance, bond release services, VSMP permitting and stormwater pollution prevention plans, and expert testimony and litigation assistance.

Quantifiable outcome

• 80+ years of continuous operation in the Washington Metropolitan DC area

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

Scale indicators1 record

Recent moves4 records

Expansion highlights3 records

Direct peers

• Wiley|Wilson: Mid-sized architecture and engineering firm headquartered in Lynchburg, VA with a Northern Virginia presence, offering civil engineering, surveying, and planning services to similar developer and municipal clients across Virginia.
• Pennoni: Mid-Atlantic engineering, surveying, and planning consulting firm providing civil/site engineering, landscape architecture, and surveying to developers and municipalities — overlapping service mix and regional footprint.
• Bowman Consulting Group: Engineering, surveying, and planning firm with significant mid-Atlantic presence offering civil engineering, land surveying, and land development services directly competitive with Walter L. Phillips.
• Timmons Group: Virginia-headquartered engineering and technology firm providing civil engineering, surveying, landscape architecture, and planning services to developers and public sector clients across the mid-Atlantic.
• Clark Nexsen: Mid-Atlantic architecture and engineering firm with offices in Virginia and North Carolina, offering civil engineering, surveying, and planning for institutional, commercial, and residential developments.
• MSA Professional Services: Mid-sized engineering, surveying, planning, and landscape architecture firm serving municipal and developer clients with a service mix closely aligned to Walter L. Phillips.
• Waggoner Engineering: Regional civil engineering and surveying firm providing land development, transportation, and surveying services to developers and public clients — comparable service model and mid-sized profile.

Broad incumbents

• VHB: Large East Coast engineering, planning, and design firm serving developers, municipalities, and institutions across the mid-Atlantic with broader service portfolio and significantly larger bench than Walter L. Phillips.
• Dewberry: National engineering, architecture, and consulting firm with deep mid-Atlantic roots, offering overlapping civil, surveying, planning, and landscape architecture capabilities at much greater scale.
• Kimley-Horn: Major national planning and engineering consulting firm with a substantial DC metro presence, providing land development, transportation, and environmental services to overlapping developer and municipal clients.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/walter-l.-phillips-inc.

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 Walter L. Phillips, Inc.