Theo. David Architects + KAL Engineering

What Theo. David Architects + KAL Engineering does

TDA+KAL is a full-service architecture and engineering firm operating as a joint venture between Theoharis David Architects and KAL Engineering, headquartered in Nicosia, Cyprus with a regional office in New York. The firm was established as a joint venture in 1988, although principal Theoharis David has practiced in Cyprus since 1974. It delivers comprehensive architectural design alongside in-house structural and civil engineering services, enabling integrated project delivery from concept through construction administration without external engineering coordination. The firm is privately held with no external institutional investment and operates with 11-50 employees.

Name

Theo. David Architects + KAL Engineering

Legal name

Theo. David Architects + KAL Engineering

Website

https://tdanyc.com

Company type

Private

Founded year

1988

Operating status

Operating

Headcount range

11–50 employees

Short description

TDA+KAL is a Cyprus-headquartered architecture and engineering joint venture delivering integrated architectural design with in-house structural and civil engineering for sports stadiums, civic, educational, residential, and religious projects across Cyprus, the Middle East, and the United States.

Ownership category

akta.pro rank

Product category

Architectural and Engineering Services

NAICS

Architectural Services (541310), Engineering Services (541330), Engineering Services (54133)

SIC

Services-Engineering Services (8711)

akta.pro primary industry

Architectural Design Services (BPAHAKAA)

akta.pro secondary industries

Civil & Structural Engineering Consulting (BPAHAIAA), Construction Engineering & Constructability Consulting (BPAHAIAN)

Keywords

• Architectural design services
• Structural engineering services
• Master planning services
• Sports stadium design
• Civil engineering consulting

Headquarters

HQ city

Nicosia

HQ country

Cyprus

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Architectural Design Services: Comprehensive architectural services provided to diverse clients including corporate offices, public schools, civic buildings, residential developments, and athletic facilities. Revenue generated through project-based design fees for new construction, restoration, and master planning engagements.
2. Engineering Consulting Services: In-house structural and civil engineering services provided alongside architectural design, including technical coordination and contract administration. Services include foundation design, structural systems, and infrastructure works for building projects.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

Theo. David Architects + KAL Engineering (TDA+KAL) is a joint-venture architecture and engineering firm providing comprehensive architectural design together with in-house structural and civil engineering services. The firm delivers project-based design and engineering for sports stadiums, educational facilities, religious buildings, residential developments, commercial headquarters, theaters, and master plans across Cyprus, the Middle East, Eastern Europe, and the United States.

Product overview

Theo. David Architects + KAL Engineering (TDA+KAL) is a full-service architecture and engineering firm offering comprehensive design services across residential, commercial, educational, sports, religious, public, and interior architecture sectors. The firm operates a dual-office structure with headquarters in Nicosia, Cyprus and a New York office. Their service portfolio combines architectural design with in-house structural and civil engineering capabilities through KAL Engineering, enabling complete project delivery from concept through construction administration. Key specialized offerings include large-scale sports stadium and athletic facility design (GSP Stadium, Spyros Kyprianou Arena), master planning for major developments, and culturally significant projects including the Saint Nicholas Greek Orthodox Church proposal for the WTC site.

Differentiator

Problem solved

Functional benefit

Products and services

• Architectural Design Services Comprehensive architectural services including design, feasibility studies, and technical coordination for residential, commercial, educational, sports, religious, and public buildings.
• Structural and Civil Engineering Services Full in-house structural and civil engineering services provided by KAL Engineering, including design, supervision, and contract management of construction projects.
• Sports Stadium and Athletic Facility Design Specialized design of large-scale sports venues including stadiums, athletic centers, and sports arenas. Notable projects include the 30,000-seat GSP Stadium, Allegra GSP Sport Center, and Spyros Kyprianou Sports Arena.
• Master Planning Services
• Theater and Cultural Facility Design
• Religious Facility and Church Design

Quantifiable outcome

• GSP Stadium and Athletic Center won the 2001 Cyprus State Award for Architecture and received a nomination for the Mies van der Rohe Award
• +4 more outcomes

Named customers9 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• Nicos Mavronicolas ArchitectscoreImplementation/ SI/ Consulting PartnerAssociate architects for the Gladstonos 22 residential development in Nicosia, Cyprus. TDA+KAL served as lead architects while Nicos Mavronicolas Architects provided local associate architect services for this 34-unit urban housing development on a landmarked street.

Scale indicators6 records

Recent moves7 records

Expansion highlights4 records

Broad incumbents

• HOK: Large global architecture practice with a substantial sports venue design portfolio and integrated engineering capabilities. Comparable as a broader incumbent operating in stadium design, civic architecture, and master planning where TDA+KAL also competes.
• Foster + Partners: Global architecture giant with broad international portfolio including civic, cultural, and master planning work. Comparable as a globally recognized firm pursuing large-scale public commissions in the same geographies as TDA+KAL, though at materially larger scale.
• Dar Al-Handasah (Shair and Partners): Large Middle East-headquartered architecture and engineering consultancy with broad international practice. Comparable as an integrated architecture-plus-engineering firm pursuing civic and infrastructure work in the Middle East and Eastern Mediterranean region.
• HKS: Large architecture firm with significant sports venue design portfolio alongside broader healthcare and civic work. Comparable in stadium design specialization though at much larger scale.

Direct peers

• Heatherwick Studio: Mid-size, design-led architecture and design studio with strong civic and cultural project profile. Comparable in firm scale, design-led positioning, and emphasis on award-recognized civic and cultural commissions.
• Adjaye Associates: Mid-size, internationally recognized architecture practice known for civic and cultural buildings. Comparable in firm size, design-led positioning, and emphasis on award-winning civic and institutional commissions.
• Mecanoo: Mid-size Dutch architecture firm with comparable international footprint and civic, cultural, and educational project profile. Similar scale and project typology to TDA+KAL's schools, civic buildings, and cultural facility work.
• Populous: Global architecture firm specialized in sports venue and stadium design. Directly comparable to TDA+KAL's core sports-stadium practice (GSP Stadium, Spyros Kyprianou Arena), though Populous operates at significantly larger scale and broader international footprint.
• BDP (Building Design Partnership): Mid-size international architecture, engineering, and design firm with integrated multi-disciplinary practice. Closely comparable in scale, integrated design-plus-engineering structure, and international project scope to TDA+KAL's joint-venture model.
• Cox Architecture: Australian architecture firm with comparable scale, mixed-use master planning, and stadium/sports venue experience. Comparable in mid-size firm profile and public-sector sports infrastructure practice.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/theo-david-architects-kal-engineering

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 Theo. David Architects + KAL Engineering