Tekeli-sisa Mimarlık Ortaklığı

What Tekeli-sisa Mimarlık Ortaklığı does

Tekeli-sisa Mimarlık Ortaklığı (Tekeli Sisa Architectural Partnership) is a privately held architectural partnership founded in Istanbul in 1954 by Doğan Tekeli and Sami Sisa, currently led by managing partners Dilgün Saklar and Mehmet Emin Çakırkaya following the 2011 consolidation. The firm provides integrated architecture, urban design, interior architecture, and consultancy services from concept through construction supervision, partnering with external structural, mechanical, electrical, and landscape engineering firms (ARUP, Tuncel Mühendislik, Dinamik Proje, Enmar Engineering, GMD, Jacobs, Sigma, HB TEKNIK, among others) to deliver technically complex building types.

Tekeli Sisa's documented portfolio spans aviation terminals (Sabiha Gökçen serving 40M+ passengers/year, Pristina Adem Jashari inaugurated 2013, Ashgabat with 30 boarding bridges, Antalya), industrial facilities for pharmaceutical and food/FMCG clients (Unilever Algida — world's first LEED-certified ice cream factory; Arven, BIEM, VEM pharmaceuticals; Yayla Agro; Sanset), government and corporate headquarters (Halkbank, Türk Telekom, İlbank), residential and mixed-use projects (MaaNaa 30 Etiler, Selenium 34, Erbil Golf Terrace), and cultural landmarks (Rumelihisarı Museum). Revenue is generated through project-based architectural and consultancy fees on commissioned work, typically acquired via invited design competitions and direct enterprise/institutional engagements across Turkey, Kosovo, Turkmenistan, and Iraq. The firm maintains an active website portfolio and shows no disclosed external funding, public listing, or AI/ML productization.

Name

Tekeli-sisa Mimarlık Ortaklığı

Legal name

Tekeli Sisa Mimarlık Ortaklığı

Website

https://tekelisisa.com

Company type

Private

Founded year

1954

Operating status

Operating

Headcount range

1–10 employees

Short description

Tekeli-sisa Mimarlık Ortaklığı is an Istanbul-based architectural partnership founded in 1954, delivering aviation, industrial, institutional, and residential design services through invited competitions and direct commissions across Turkey, Kosovo, Turkmenistan, and Iraq.

Ownership category

akta.pro rank

Product category

Architectural Design Services

NAICS

Architectural Services (541310), Architectural Services (54131), Architectural, Engineering, and Related Services (5413), Interior Design Services (54141)

SIC

Services-Engineering Services (8711), Services-Management Consulting Services (8742)

akta.pro primary industry

Architectural Design Services (BPAHAKAA)

Keywords

• Architectural design services
• Urban design services
• Interior architecture
• Building design consultancy
• Transportation infrastructure design

Headquarters

HQ city

Istanbul

HQ country

Türkiye

HQ region

Europe

Offices1 record

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: Tekeli Sisa generates revenue through fees for architectural and interior design services on construction projects. As an established architectural partnership, the firm earns fees across all project phases from concept and preliminary design through detailed design and construction supervision. Revenue is project-based and derived from commissions by clients including government bodies, industrial corporations, real estate developers, and private investors. The firm does not appear to disclose financial information publicly.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels1 record

Core offering

Tekeli Sisa Mimarlık Ortaklığı is a privately held architectural partnership that provides full-service architectural design, urban design, interior architecture, and consultancy services. The firm delivers end-to-end project services from concept and preliminary design through detail design and construction supervision, integrating multidisciplinary engineering partners (structural, mechanical, electrical, and landscape). Its portfolio spans airport terminals, industrial facilities (pharmaceutical, food processing), residential towers, commercial complexes, administrative headquarters, and cultural projects across Turkey and selected international markets.

Product overview

Tekeli Sisa Mimarlık Ortaklığı is an architectural partnership firm offering integrated architecture, urban design, and consultancy services. The firm provides end-to-end project delivery from concept design through construction supervision, working with experienced engineering partners and technical consultants. The firm's portfolio spans transportation infrastructure (airports, metro stations), industrial facilities (pharmaceutical plants, food processing, ice cream and wine factories), residential projects (luxury villas, urban redevelopment), commercial developments (shopping centers, business centers), and institutional buildings (bank headquarters, government offices, media centers). The company was founded in 1954 by Doğan Tekeli and Sami Sisa and operates from Istanbul, Turkey.

Differentiator

Problem solved

Functional benefit

Products and services

• Architecture Design Services Full-service architectural design covering concept, preliminary, and detail design phases for buildings and complexes across transportation, industrial, residential, commercial, administrative, cultural, touristic, and recreational typologies. Delivered to institutional, governmental, and corporate clients.
• Urban Design Services Urban design and planning services for master plans, campus developments, and urban regeneration projects integrated with the firm's architectural practice.
• Interior Architecture Services Interior architectural design services integrated within architectural projects, including space planning and finishes specification for institutional, corporate, and residential interiors.
• Consultancy Services Project consultancy services from concept through construction, including construction supervision and technical advisory across architectural, structural, mechanical, electrical, and landscape disciplines.

Quantifiable outcome

• Sabiha Gökçen Airport Terminal expanded beyond original design capacity to serve 40M+ passengers annually, demonstrating the flexibility and scalability of the design approach
• +4 more outcomes

Named customers23 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

Partnerships

17 partnerships are on record, tiered core, major and minor.

• HB TEKNIKcoreTechnology or Integration · 1 January 2021HB TEKNIK provided structural engineering for the VEM Pharmaceuticals New Production and Storage Plant (2021) and electrical engineering for both the VEM Pharmaceuticals project and the MaaNaa 30 Etiler residential project. HB TEKNIK also provided electrical engineering for Ashgabat International Airport.
• EKİZ & EKİZcoreTechnology or Integration · 1 January 2021EKİZ & EKIZ provided infrastructure engineering for the VEM Pharmaceuticals New Production and Storage Plant in Lüleburgaz, Kırklareli.
• Concept A acoustics+architecturemajorStrategic or Co-development Partner · 1 January 2020Munich-based Concept A acoustics+architecture prepared the initial concept design for the Media Network Building (Rudaw/RDW) in Erbil, Iraq. Tekeli Sisa developed the preliminary and detail design project based on this concept. The project serves as a contemporary media hub for a prominent broadcasting organization.
• Arı EngineeringcoreTechnology or Integration · 1 January 2019Arı Engineering provided structural engineering for the Yayla Agro Food Processing Facility in Niğde. Tekeli Sisa designed this 135,000 m² enclosed complex as an integrated production campus.
• Kutay Keskin Architectural PracticeminorStrategic or Co-development Partner · 1 January 2019Kutay Keskin Architectural Practice collaborated with Tekeli Sisa on the architectural design of the Yayla Agro Food Processing Facility in Niğde. Tekeli Sisa is listed as the primary architectural partner.
• Bilgili MimarlıkminorStrategic or Co-development Partner · 1 January 2019Bilgili Mimarlık collaborated with Tekeli Sisa on the concept project for BMC Administration Center Complex (2017). Tekeli Sisa is listed as the primary architectural partner.
• Yurdakul MühendislikcoreTechnology or Integration · 1 January 2018Yurdakul Mühendislik provided project engineering services for the İlbank General Directorate Building (general headquarters project).
• GMD EngineeringcoreTechnology or Integration · 1 January 2014GMD Engineering provided mechanical engineering services for Ashgabat International Airport (2015-2016). Also partnered with Moskay Engineering (GMD-Moskay) for mechanical engineering on the Erbil Golf Club Villas project (2020-2022).
• Broadway MalyanmajorStrategic or Co-development Partner · 1 January 2013Broadway Malyan collaborated with Tekeli Sisa as a joint project team for the two-stage invited competition for Türk Telekom Istanbul Regional Headquarters (Acibadem Campus) in 2011. The joint proposal was selected among the three finalists in the initial elimination phase. The collaboration brought together Broadway Malyan's international experience with Tekeli Sisa's local expertise.
• Sigma MühendislikcoreTechnology or Integration · 1 January 2013Sigma Mühendislik provided structural engineering for the Arven Pharmaceutical Plant (2013-2014 construction) and the Sanset Food Products Factory (2013). Tekeli Sisa partnered with Sigma for high-tech pharmaceutical facility design in Kirklareli.
• MuuM MimarlıkmajorStrategic or Co-development Partner · 1 January 2012MuuM Mimarlık collaborated with Tekeli Sisa in the Architectural Design and Landscape Idea Project Competition for Teknopark Istanbul Stage 2 in Pendik, Kurtköy. The joint entry won the 2nd prize. The collaboration addressed the comprehensive needs of a modern technology campus with a total enclosed area of 40,000 m².
• JacobscoreTechnology or Integration · 1 January 2011Jacobs, an international engineering firm, was responsible for the production technology design of the Unilever Home and Personal Care Products Factory in Konya (2015). Tekeli Sisa served as the architectural partner for this facility — Unilever's largest global investment — which covers powder/liquid home care and personal care product manufacturing.
• ARUP EngineeringcoreTechnology or Integration · 1 January 2006ARUP Engineering served as the structural engineering partner for the Sabiha Gökçen International Airport New Terminal Building (2006 competition win, 2009 completion). ARUP's role focused on the terminal structural design and the seismic isolation system — a hybrid structural system strengthened with seismic isolators ensuring uninterrupted post-earthquake operation. ARUP also provided engineering services for the Sabiha Gökçen Terminal Additional Building (2016) and the Sabiha Gökçen New Terminal Building concept competition.
• Tuncel MühendislikcoreTechnology or Integration · 1 January 2006Tuncel Mühendislik provided structural engineering services for the multi-storey car park of Sabiha Gökçen International Airport (2009). Tuncel Mühendislik also served as construction project partner for Ashgabat International Airport (2015-2016), providing construction project management.
• Dinamik ProjecoreTechnology or Integration · 1 January 2006Dinamik Proje provided mechanical engineering services for the Sabiha Gökçen International Airport New Terminal Building (2009 completion). Also referenced as the infrastructure project partner for VEM Pharmaceuticals New Production and Storage Plant (2021-2024).
• Enmar EngineeringcoreTechnology or Integration · 1 January 2006Enmar Engineering provided electrical engineering services for the Sabiha Gökçen International Airport New Terminal Building (2009 completion).
• Devlet Hava Meydanları İşletmesi (DHMI)coreStrategic or Co-development Partner · 1 January 1992The State Airports Administration (DHMI) organized the design competitions in which Tekeli Sisa won 1st prize for both the Antalya International Airport International Terminal (1992, completed 1998) and Antalya Airport Terminal II (competition and 2005 completion). DHMI is Turkey's government body responsible for airport operations.

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Grimshaw Architects: Internationally recognized architecture practice with deep aviation/infrastructure expertise (e.g., Istanbul New Airport, major terminals globally). Comparable to Tekeli Sisa in technically demanding transportation projects and airport terminal specialization.
• Tabanlıoğlu Architects: One of Turkey's leading architectural practices, based in Istanbul, with a comparable portfolio spanning airports, mixed-use developments, headquarters, and cultural projects. Most direct comparable to Tekeli Sisa in scale, typology mix, and Turkish institutional/government client base.
• DB Mimarlık: Istanbul-based Turkish architectural firm with a comparable mix of large-scale institutional, commercial, and cultural projects in Turkey. Operates in the same mid-sized established-firm segment with similar competition-driven project acquisition.
• Yalin Mimarlık: Istanbul-based Turkish architectural firm with a portfolio spanning cultural, residential, and commercial projects. Comparable as a Turkish mid-sized practice competing in similar institutional and high-end residential segments.
• Atölye Mimarlık: Turkish architectural practice based in Istanbul with a portfolio of cultural, institutional, and commercial projects in Turkey. Comparable as a similarly sized Turkish firm competing for invited competitions and institutional commissions.

Broad incumbents

• HOK: Global design, architecture, and engineering firm with major airport and large-scale civic projects (e.g., Salt Lake City International Airport). Comparable in transportation infrastructure focus and ability to integrate engineering partners on mega-projects.
• Skidmore, Owings & Merrill (SOM): Global architecture/engineering/urban planning firm with landmark airport and large-scale civic infrastructure projects worldwide. Comparable to Tekeli Sisa in aviation and institutional typologies; significantly larger and broader in scope.
• Zaha Hadid Architects: Global architecture incumbent with major airport and large-scale infrastructure projects (e.g., Beijing Daxing Airport). Comparable in aviation and parametric/large-span design expertise; far larger scale and global footprint.
• Foster + Partners: Global architecture incumbent with extensive airport and large-scale infrastructure portfolio (e.g., Beijing Airport, Stansted). Comparable as a high-prestige airport/infrastructure architect; broader scale and global geographic footprint than Tekeli Sisa.

Others

• Ramboll (Buildings division): Global engineering, architecture, and consulting firm whose Buildings practice designs large-scale industrial, pharmaceutical, and infrastructure projects. Adjacent comparable as a partner/competitor for technically complex industrial facility design that Tekeli Sisa delivers in Turkey.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/tekeli-sisa-mimarl%C4%B1k-ortakl%C4%B1%C4%9F%C4%B1

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds

Investors

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M&A

Investments

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Frequently asked questions about Tekeli-sisa Mimarlık Ortaklığı