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Employer Contractor

Technical office · Tendering · Cost

We know both sides of the coin.

From public investments to international construction contracts, we manage the cost, contract, and entitlement balance of projects to world-class standards. Every technical-office dossier is engineered with transparent data built to pass the most rigorous independent audits, conducted under strict confidentiality and engineering discipline.

For employers, authorities and investors (Client / SPV)

Tender dossiers, specifications & contract drafting
Cost estimating, budgeting & pre-contract QS
Independent interim audit & quantity verification
Contract administration & commercial advisory

For contractors and EPC consortia (Contractor / EPC)

Bid preparation, detailed BOQ & take-off
Rate breakdown & abnormal price justification
Interim valuations, variations & final accounts
FIDIC contractual claims & extension of time

ETHICAL PLEDGE

We never represent both sides on the same contract — and on any given tender we serve only one bidder or contractor.

Request a free preliminary review See references ↗

≈ ₺28.3bn of work at today's values, computed across 50 projects

PROJECT · COST · CONTRACTS

39°55′N 32°51′E · ANKARA

10 INTERNATIONAL PROJECTS

Iraq · Russia · Kazakhstan · Turkmenistan · Georgia · Ukraine ↗

639Projects in portfolio

327Client organisations

10Sectors

16Service lines

20Years of practice

3,000+Assignments supported

10International projects

Services ready to engage

Professional services catalogue

Access project, cost, contract and technical-office capacity without expanding your permanent team. Engage us for one project, time-based technical-office support or ongoing consultancy.

G3-P01

Per project

A team for one job

Set up for a single tender or project and closed when it ends — take-off, bid file, abnormally low tender justification, whichever is needed.

Per job · defined scopeQuoted by scope

G3-P02

Technical office support

Part-time or full-time

We act as your technical office: payment applications, quantity checks, final accounts and the works programme run with us.

Weekly · monthlyQuoted by scope

Payment applications ↗

G3-P03

Enterprise

Project consultancy

Multi-project portfolios, consultancy on the employer's behalf, FIDIC contracts and overseas work.

Monthly · for the programmeQuoted by scope

G3-P04

Flexible use

Prepaid service credits

Pre-purchase service credits for recurring work. Scope and credit cost are stated before each assignment; approved credits are deducted only after delivery.

Prepaid · use as neededQuoted by package size

Included services ↗

Operational advantages

The advantages of outsourcing

Add specialist capacity as workload requires and pay only for the defined service and usage.

Variable cost

Project-, period- or delivery-based spend instead of permanent staffing.

Scalable capacity

Increase, reduce or close capacity as workload changes.

No employment overhead

No recruitment, training, payroll, social-security or exit administration.

Infrastructure included

Workstations, specialist software and licences included.

One commercial record

Track services, deliveries and usage in one commercial flow.

Controlled credits

Cost shown upfront; approved credits deducted after delivery.

Accounting, tax and employment-law treatment varies by jurisdiction and organisation; consult your own professional adviser.

SELECTED WORK

Selected work

REF—01

Menemen–Aliağa–Çandarlı Motorway (BOT)

Subcontract agreements, quantities, interim payments, final accounts and cost control for motorway superstructure and precast-girder works.

78 km motorway · 117.8 km with links · 10 viaducts

REF—02

MaviBahçe Shopping Centre, İzmir

Quantity take-off and interim/final payment reviews across structural, landscape, waterproofing, electrical and mechanical works.

250,000 m² · İzmir · 2016

REF—03

Gebze–Orhangazi–İzmir Motorway (BOT) — Section 1

Subcontractor payments, unit rates and final accounts for the first section of the motorway associated with Osmangazi Bridge.

9 km · 185,000 m² reinforced earth · 48 structures

REF—04

Sincan–Ankara–Kayaş Line (Başkentray)

Quantity take-off and abnormally low tender defence supporting a file that continued through six corrective-action decisions and court proceedings.

Tender 2012/8833 · TRY 442 million · PPA 2015/UY.II-12

REF—05

Dr. Lütfi Kırdar Kartal Training and Research Hospital

Prequalification, English tender documents, four-discipline quantity take-off and final pricing under World Bank procurement rules.

323,000 m² · EIB-WB1-YAPIM-03

REF—06

Ovit Tunnels — Electromechanical and SCADA

Quantity take-off, special-rate analyses and abnormally low tender defence for electrical, electromechanical and SCADA systems across the 14 km twin-tube Ovit crossing at 2,640 m elevation.

14 km twin tube · Tender 2024/1083711 · TRY 437.5 million

REF—07

Batman Right-Bank Irrigation — Section 2

Quantity take-off, abnormally low tender defence and procurement appeal for the second section designed to irrigate 118,000 decares by gravity from Batman Dam reservoir.

118,000 decares · Tender 2016/327623 · TRY 63.25 million

Track record ↗

TRACK RECORD

Authorities in our reference projects

Public authorities responsible for the works represented in our reference files.

BOTAŞ Boru Hatları ile Petrol Taşıma A.Ş.

Çevre, Şehircilik ve İklim Değişikliği Bakanlığı

Altyapı Yatırımları Genel Müdürlüğü (AYGM)