Alter

What Alter does

Alter Uluslararası Mühendislik ve Müşavirlik Hizmetleri A.Ş. is a Turkish independent engineering and consulting firm founded in May 1975 in Ankara by Atilla Özdikmen, currently led by Managing Partner Dide Özdikmen. The firm provides multi-disciplinary science and technology-based engineering and consulting services across eight interconnected service areas: water and environment, rural development, renewable energy, transportation, buildings, disaster risk management, GIS/MIS/SCADA information systems integration, and project management. Its core technology combines Geographic Information Systems, Management Information Systems, and SCADA infrastructure monitoring with dynamic hydraulic simulation modeling (pioneered on the 1994 Bursa Drinking Water project) for measurable sub-region formation and non-revenue water reduction.

Alter operates on a project-based professional services revenue model, generating fees through research, planning, design, project management, construction supervision, and advisory engagements. The firm is 100% business-to-government (B2G), serving Turkish state ministries, DSİ, İller Bankası, metropolitan municipalities, and district municipalities, alongside projects financed by the World Bank, ADB, AIIB, EIB, KfW, and EU IPA programs in Pakistan, Uzbekistan, Bosnia and Herzegovina, and now pursuing re-entry into Saudi Arabia and exploration of Syria. It holds EN ISO 9001:2000 certification and an A-Class Environmental Impact Assessment certificate from the Turkish Ministry of Environment. With 51-100 employees across eight offices (Ankara headquarters, four additional Turkish branches, and international offices in Sarajevo, Lahore, and Tashkent), Alter has delivered 458+ completed projects and maintains 45+ ongoing engagements over its 47+ year history.

Name

Alter

Legal name

Alter Uluslararası Mühendislik ve Müşavirlik Hizmetleri A.Ş.

Website

https://alter.com.tr

Company type

Private

Founded year

1975

Operating status

Operating

Headcount range

51–100 employees

Short description

Alter is a Turkish independent engineering and consulting firm founded in 1975, providing multi-disciplinary infrastructure consulting across water, environment, rural development, transportation, buildings, disaster risk, and GIS/SCADA systems. It serves 100% government and development-bank clients across Turkey, Pakistan, Uzbekistan, and Bosnia and Herzegovina.

Ownership category

akta.pro rank

Product category

Engineering Consulting Services

NAICS

Environmental Consulting Services (54162), Management Consulting Services (54161)

SIC

Services-Engineering Services (8711)

akta.pro primary industry

Water, Wastewater & Hydraulics Engineering Consulting (BPAHAIAD)

akta.pro secondary industries

Permitting, Siting & Environmental Impact (EIA/NEPA) Advisory (EUAMANAB), Climate Change Mitigation/Adaptation & Natural Resource Management Technical Assistance (BPADAEAJ)

Keywords

• Engineering consulting services
• Infrastructure project management
• Water and environment engineering
• Construction supervision
• FIDIC contract consulting

Headquarters

HQ city

Çankaya

Offices8 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering and Consulting Services: ALTER generates revenue by providing multi-disciplinary engineering and consulting services on a project-by-project basis. Services span research, planning, design, project management, construction supervision, and advisory for infrastructure projects including water supply, sanitation, irrigation, dams, flood management, transportation, and buildings. Projects are typically commissioned by government entities and financed by international development banks (World Bank, ADB, AIIB, EIB, KfW) via FIDIC-contracted engagements.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Alter is an independent engineering and consulting firm delivering multi-disciplinary infrastructure services across water resources, environment, rural development, renewable energy, transportation, buildings, and disaster risk management. The firm provides full-cycle services including research, planning, feasibility studies, design, project management, construction supervision, and institutional capacity building for government clients and international development bank-funded projects. Revenue is generated through project-based professional service fees negotiated under FIDIC-contracted engagements in Turkey and international markets.

Product overview

Alter is an independent engineering and consulting firm that produces science and technology-based solutions for complex, multi-disciplinary projects. The company offers eight interconnected service areas: Water and Environment (water resources, wastewater treatment, environmental management), Rural Development (agricultural planning, irrigation), Renewable Energy (hydroelectric, solar), Transportation (highways, railways, airports), Buildings (structural design, public facilities), Disaster Risk Management (vulnerability studies, flood management), Information Management Systems (GIS/MIS/SCADA), and Project Management. These services are delivered through integrated multi-disciplinary teams combining engineering, planning, social sciences, economics, and environmental expertise. The company primarily serves government institutions, municipalities, and international financing organizations across Turkey and neighboring countries.

Differentiator

Problem solved

Functional benefit

Products and services

• Water and Environment Engineering (Su ve Çevre) Engineering and consulting services for water resources development, basin management planning, flood protection, drought management, water supply and distribution systems, dams and reservoirs, water and wastewater treatment plants, wastewater and stormwater networks, infrastructure improvement, and environmental management for government and municipal clients.
• Rural Development (Kırsal Gelişim) Integrated planning, engineering, and management services for rural development including agricultural and land-use planning, soil conservation, water and soil resources development, water supply and sanitation, irrigation and drainage, and river rehabilitation for government and municipal clients.
• Renewable Energy (Yenilenebilir Enerji) Services focusing on renewable energy sources including hydraulic power, wind and biomass, as well as local and national energy planning for government clients and infrastructure developers.
• Transportation Engineering (Ulaşım) Transportation engineering services including provincial and state highways, railways, light rail systems, and airports, covering traffic studies, transportation planning, and engineering design for government clients.
• Buildings Engineering (Binalar) Engineering services for various building types including pump stations, maintenance and operation buildings, laboratory buildings, housing projects, public facilities, and structural/earthquake engineering integrated into the firm's structural engineering portfolio.
• Disaster Risk Management (Afet Risk Yönetimi) Multi-disciplinary services supporting the application of new technologies and methods for disaster risk management, including vulnerability studies, microzoning, strengthening, flood management, and drought management planning for government and public-sector clients.
• Information Management Systems / GIS/MIS/SCADA (Bilgi Yönetim Sistemleri) Information systems integration services including Geographic Information Systems (GIS), Management Information Systems (MIS), and Supervisory Control and Data Acquisition (SCADA) for online management systems and decision-maker support on infrastructure projects.
• Project Management (Proje Yönetimi) Project management services combining experience and knowledge with techniques for project timelines, cost control, and technical performance management for government, municipal, and development bank-funded infrastructure engagements.

Quantifiable outcome

• 458+ projects completed across Turkey and neighboring countries
• +3 more outcomes

Named customers10 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Two partnerships are on record, tiered minor.

• Türk Dünyası Mühendisler ve Mimarlar Birliği (TDMMB)minorChannel Partner/ Reseller/ Distributor · 1 January 2025TDMMB organizes international business development missions and delegation programs for Turkish engineering and consulting firms. ALTER participated in the Damascus International Construction Fair and Business Development Mission (October 2025) organized by TDMMB with support from Hizmet İhracatçıları Birliği (HİB) and the Ministry of Trade. ALTER's General Coordinator Mehmet Dönmez represented the firm in Damascus.
• Republic of Turkey Trade Counselors in RiyadhminorStrategic or Co-development Partner · 1 January 2025Turkish Trade Counselors Hasan Murat Nesimoğlu and Mustafa İlker Özdem facilitated discussions with ALTER's Managing Partner Dide Özdikmen regarding collaboration and development opportunities in Saudi Arabia. The trade counselors provide guidance on local market dynamics and future prospects to support ALTER's re-entry into the Saudi Arabian market.

Scale indicators6 records

Recent moves8 records

Expansion highlights5 records

Broad incumbents

• WSP Global Inc. Large global engineering professional services firm with extensive water, environment, and infrastructure practices; competes for the same MDB-funded master planning and supervision contracts across emerging markets.
• Tractebel Engineering (Engie): Belgium-based global engineering consultancy with strong water and environmental infrastructure practices, active on EIB and EU-funded projects in Turkey and the Balkans. Larger alternative for major MDB-funded supervision and design contracts.
• Mott MacDonald: Global engineering consultancy with deep expertise in water, environment, and transportation, frequently serving as lead consultant on World Bank, ADB, and EIB-funded projects that Alter bids on as a sub-consultant or partner.
• Egis Group: French-headquartered international engineering and consulting group with major water, environment, and transportation infrastructure practices, active on EU IPA and EIB-funded projects in the Balkans and Turkey's neighboring regions.

Emerging players

• WAPCOS Limited: Indian government-owned engineering consultancy providing water, environment, and infrastructure consulting across South Asia, Central Asia, and Africa. Comparable in scale and MDB-funded project mix; competes on ADB and World Bank tenders in overlapping geographies.

Direct peers

• ELC Group (ELC Engineering and Consulting): Turkish engineering consulting firm with international operations in water, environment, and infrastructure, frequently engaged on World Bank and EU-funded projects. Comparable in target clients and project types.
• Yüksel Proje Uluslararası A.Ş. Major Turkish engineering consulting firm providing multidisciplinary services in water, environment, transportation, and buildings with significant international project presence. Direct competitor for large MDB-funded infrastructure assignments.
• Temelsu International Engineering Services Inc. Turkish-headquartered engineering consulting firm delivering water resources, environmental, transportation, and hydraulic infrastructure projects across Turkey and internationally. Closest direct competitor given overlapping MDB-funded project portfolio and Turkish origin.
• Su-Yapı Mühendislik ve Müşavirlik A.Ş. Ankara-based Turkish engineering consultancy specializing in water supply, wastewater, irrigation, and dam projects for government and municipal clients. Comparable in service mix, client base, and competitive bidding on World Bank-funded tenders.
• DOLSAR Engineering Co. Ltd. Turkish engineering consultancy active in water resources, dams, irrigation, and environmental projects across Turkey and neighboring countries. Comparable regional scale and MDB-funded project profile.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/AlterInt1975
• Facebookfacebook.com/profile.php

Compliance2 records

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 Alter