What Wallace Associates does

Wallace Landscape Associates is a privately held residential landscape design and build firm headquartered in Chadds Ford, Pennsylvania, with an additional office in Kennett Square. Founded circa 1980 and incorporated in Delaware in 1989, the firm is licensed across Pennsylvania, Delaware, New Jersey, and Maryland, and serves high-net-worth residential clients — estate owners, historic property owners, and homeowners on the Main Line, in Chester County, and in Northern Delaware. The firm employs 11–50 staff, including registered landscape architects, project engineers, designers, and maintenance crews, with key principals Richard Lyon (Partner/Principal Landscape Architect since 1988), Laura R. Miller (Managing Partner since 1998), and Eric T. Leeson (Principal Landscape Architect since 2011).

The core offering is a single-source design-build model in which one landscape architect manages each project from concept through installation, covering custom landscape design, masonry, grading, drainage, pools, water features, plantings, hardscaping, outdoor living areas, and lighting. Adjacent services include fine garden maintenance (an ongoing managed service), large tree transplanting, and landscape solutions for challenging sites. The business generates revenue exclusively through project-based professional services at quote-based pricing, with no publicly disclosed rates. The go-to-market relies on direct on-site consultations, word-of-mouth referrals, a portfolio-driven website, and a network of partner firms — architects (Archer Buchanan, Period Architecture), homebuilders (Rittenhouse Builders, Cullen Construction), pool specialists (Armond Aquatech), and arborists (Chadds Ford Tree Service, John B. Ward & Co.).

The firm has no software platform, no app, no API, and no AI/ML components; the technological foundation is horticultural science, landscape architecture methodology, and computer-aided design rendering. Nine consecutive years of Main Line Media News "Best Landscape Design" recognition, PLNA gold and bronze awards, a 1993 Royal Horticultural Society Chelsea Flower Show award, and active memberships in ASLA, PLNA, DNLA, AIA, and NALP reinforce strong regional brand equity within a narrow HNW-residential niche.

Name

Wallace Associates

Legal name

Wallace Landscape Associates

Website

https://wallacelandscape.com

Company type

Private

Founded year

1980

Operating status

Operating

Headcount range

11–50 employees

Short description

Wallace Landscape Associates is a private residential landscape design and build firm in Chadds Ford, PA, providing single-source design, construction, pools, water features, and ongoing garden maintenance to high-net-worth homeowners across Pennsylvania, Delaware, New Jersey, and Maryland.

Ownership category

akta.pro rank

Product category

Landscape Architecture Services

NAICS

Landscape Architectural Services (54132), Landscaping Services (561730)

SIC

General Bldg Contractors - Residential Bldgs (1520)

akta.pro primary industry

Residential Landscape Design (HSAIABAA)

akta.pro secondary industries

Landscape Architecture & Site Design (BPAHAKAC), Landscape Design, Build & Installation (Hardscapes/Softscapes) (BPABADAF), Landscape Construction & Hardscaping (Patios, Retaining Walls, Outdoor Structures) (IMAIAIAE), Water Features (Ponds, Fountains & Waterfalls) (HSAPALAJ), Outdoor Living Structures Retail (Sheds, Gazebos, Pergolas, Greenhouses) (CRAIAIAG)

Keywords

• Landscape design services
• Landscape construction
• Garden maintenance
• Outdoor living spaces
• Hardscape installation

Headquarters

HQ city

Chadds Ford

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Supply Chain

Revenue model

1. Custom Landscape Design Services: Full-service custom landscape architecture including site analysis, architectural planning, 3D design, material selection, and permit management for residential properties.
2. Design-Build Construction Services: Complete installation of landscapes including masonry, grading, drainage, water features, pools, plantings, outdoor living areas, and lighting. Managed by the same design team for seamless execution.
3. Fine Garden Maintenance: Ongoing professional gardening services including seasonal pruning, soil management, plant health monitoring, horticultural care, and garden maintenance to ensure long-term beauty and viability.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Wallace Landscape Associates provides custom residential landscape architecture and construction services, including site analysis, design, masonry, grading, drainage, water features, pools, plantings, and outdoor living areas, all under a single-source design-build model managed by one landscape architect. The firm also offers ongoing fine garden maintenance and specialty large tree transplanting for affluent homeowners in southeastern Pennsylvania and northern Delaware.

Product overview

Wallace Landscape Associates is a residential landscape design and build firm offering a single-source approach that manages projects from concept through completion. The company provides custom landscape design, bespoke pools and surroundings, landscape solutions and transformations, small garden design, fine garden maintenance, large tree transplanting, water features, and outdoor living space construction. All services are delivered through a design-build model where the same landscape architect oversees the project from design through installation, ensuring cohesive execution.

Differentiator

Problem solved

Functional benefit

Products and services

• Landscape Design and Build Services Single-source landscape design and build services managing residential projects from concept through construction, planting, hardscaping, and final installation under one landscape architect.
• Custom Landscape Design Fully custom landscape designs tailored to the homeowner's architecture, terrain, and lifestyle, reflecting exacting taste and functional requirements for residential properties.
• Bespoke Pools and Surroundings Custom-designed residential swimming pools — including vanishing-edge pools, natural ponds, classical garden-style pools, and pool houses — with surrounding landscapes.
• Landscape Solutions and Transformations Problem-solving design and build services for challenging residential landscapes, including drainage issues, overgrown properties, privacy screening, and site transformation.
• Small Garden Design and Installation Design and installation services for compact residential spaces, courtyards, urban environments, and roof gardens using thoughtful plant selection and texture layering.
• Fine Garden Maintenance Ongoing professional maintenance — including seasonal pruning, soil management, plant health monitoring, and specialty horticultural care — to keep residential gardens healthy and refined year-round.
• Large Tree Transplanting Specialty service relocating mature specimen trees using professional equipment and expert arboricultural techniques to preserve trees during construction or renovation on residential properties.
• Water Features Custom water features for residential gardens — including reflecting pools, fountains, water walls, koi ponds, naturalistic ponds, and integrated water elements.
• Outdoor Living Spaces Design and construction of residential outdoor kitchens, fireplaces, fire pits, dining areas, terraces, and entertaining spaces that extend indoor living outdoors.

Quantifiable outcome

• Named Best Landscape Design Company for 2026 in Main Line Media News Readers' Choice Awards — 9th consecutive year of Best of the Main Line recognition
• +1 more outcomes

Named customers4 records

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Ten partnerships are on record, tiered core, supporting and strategic.

• Archer Buchanan ArchitecturecoreStrategic or Co-development PartnerArchitecture firm collaboration for integrated design solutions on residential projects requiring coordinated architectural and landscape design.
• Armond Aquatech PoolscoreStrategic or Co-development PartnerSpecialized pool construction partner for custom residential swimming pool installations and aquatic features.
• Chadds Ford Tree ServicesupportingStrategic or Co-development PartnerLocal tree service provider for arboricultural work supporting landscape installations and large tree transplanting projects.
• Cullen ConstructioncoreStrategic or Co-development PartnerConstruction partner for residential projects requiring general contracting services alongside landscape construction.
• John B. Ward & Co. ArboristssupportingStrategic or Co-development PartnerProfessional arborist services for tree evaluation, preservation, and transplanting support on high-value residential properties.
• J. Matthew Pearson, LLC - Residential Design and ConsultingsupportingStrategic or Co-development PartnerResidential design and consulting collaboration for integrated home and landscape design projects.
• Period ArchitecturecoreStrategic or Co-development PartnerArchitecture firm specializing in period-appropriate residential design, particularly for historic properties in the Main Line and Brandywine Valley regions.
• Rittenhouse BuilderscoreStrategic or Co-development PartnerHomebuilder partnership for new construction landscape design and installation on custom residential projects.
• Studio OutsidestrategicStrategic or Co-development PartnerDallas, TX based landscape architecture firm leading the University of Delaware Botanic Gardens master plan project. Laura Miller of Wallace serves as local landscape architect specializing in plant material and horticulture.
• Morris Arboretum and GardenssupportingStrategic or Co-development PartnerPartnership for Garden, Wine, and Wilderness tours to New Zealand, curated by Principal Landscape Architect Richard Lyon.

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Hess Landscape Architects: Mid-Atlantic residential landscape architecture and design-build firm with a similar single-architect-led model serving luxury estates in Pennsylvania, New Jersey, and Delaware. Directly comparable in target market, geography, and service offering.
• Edmund Hollander Landscape Architect Design: Luxury residential landscape architecture firm in New York serving high-net-worth estates with bespoke design and horticultural specialization. Highly comparable in HNW positioning, single-firm accountability, and craft-driven aesthetic.
• Janice Parker Landscape Architects: High-end residential landscape architecture firm specializing in estate-scale design-build projects with strong horticultural emphasis. Directly comparable luxury niche, project size, and design-leadership model.
• Reed Hilderbrand: Distinguished landscape architecture firm with a strong residential estate practice alongside cultural and institutional work. Comparable in design pedigree, single-firm signature project model, and award-winning craft.
• Oehme, van Sweden: National landscape architecture firm with a significant luxury residential practice, known for naturalistic design and strong plant-material expertise. Comparable in registered-architect-led model and HNW estate clientele.
• Hollander Design: Landscape architecture and design-build firm serving affluent residential clients in the Northeast with a horticulturally driven, award-recognized approach. Overlaps Wallace on luxury positioning and integrated design-build delivery.
• Studio Outside: Texas-based landscape architecture firm collaborating with Wallace on the University of Delaware Botanic Gardens master plan. Comparable craft-driven, horticulturally rigorous practice serving private estates and cultural landscapes.

Regional players

• Roundtree Landscaping: Regional design-build landscaping firm serving the Mid-Atlantic with both residential and light commercial work. Comparable on regional positioning and design-build model but broader in segment and less luxury-focused.
• Cockerham & Associates: Landscape architecture and construction firm serving the Carolinas and Mid-Atlantic. Comparable in integrated design-build delivery and high-end residential focus, though primarily active in different geographies.

Broad incumbents

• LandDesign: Large multi-discipline landscape architecture, civil engineering, and urban design firm with significant high-end residential work in the Eastern U.S. Comparable capabilities but serves a much broader portfolio including commercial and master-planned communities.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/wallacelandscape

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 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 Wallace Associates