Single job
Single tender support
One tender or one query letter, handled end to end.
Technical office · Tendering · Cost
Every item we measure has data behind it.
A data-backed technical office: produced on our own software, delivered under expert review. Cost estimation, BOQ, FIDIC interim payments and claims. We do not subcontract on site.
18
Years
3,000+
Projects supported
426
Catalogued references
378
EKAP verified
298
With tender no
308,013
Rate memory rows
From query letter to delivery
Query / brief
The employer's letter or the tender documents reach us.
Free preliminary review
Scope, time and risk are set out. Feasibility is stated plainly.
Production
Quantities, rate analyses, proformas and minutes produced on our own software.
Expert check
Item codes, rate periods and totals are checked line by line.
EKAP-ready delivery
An ordered PDF set, ready for the employer's review.
Three ways of working
Ongoing
Corporate technical office
Acting as your technical office on a continuing basis.
Large scale
Large scale and international
Multi-discipline projects, FIDIC and cost estimation work.
What we do
Tender and Bid Preparation
The process — the whole bid file from notice day to contract; progress schedule, tender annexes, and the ALT defence if a query arrives.
Abnormally Low Tender Justification
Quantities, rate analyses, proformas and statutory minutes — an EKAP-ready defence file.
Quantity Take-off and Cost Estimate
The measurement — a one-off deliverable; civil, electrical and mechanical take-offs priced with current public rates.
Interim Valuations — Preparation and Review
We either prepare the interim valuation or review it for the other side; subcontractor applications included.
Final Account — Preparation and Review
Final account file, comparative bill of quantities and variation orders — prepared or reviewed.
Contract and Cost Management
Contract review, claim structuring, cost tracking and variance reporting.
Project Management and Consultancy
Client-side technical office set-up and process management. No site subcontracting.
Unit Rates and Analysis
Rate build-ups for public, composite and bespoke items; rate period tracked.
Public Procurement Appeals
Technical file for complaint, appeal and corrective action procedures.
Technical Specifications
Civil, electrical and mechanical general specifications; room data schedules.
Measurement Records and As-Built
Laser measurement on site, measurement drawings, panoramic records, as-built drawings.
Piyasa Araştırması ve Tedarik
Selected work
İKN 2012/8833
Sincan–Ankara–Kayaş Line (Başkentray)
Abnormally low tender defence through six Public Procurement Authority corrective decisions and a court process. Won.
442 milyon TL · current value ≈ 13,00 milyar TL
EKAP verified
İKN 2024/1083711
Ovit Tunnels — Electromechanical and SCADA
Rate analyses and defence for tunnel electrical, electromechanical and SCADA automation works.
437,5 milyon TL · current value ≈ 670,8 milyon TL
EKAP verified
Karbala Refinery, Iraq
Quantity take-off and bid file in English for refinery infrastructure works.
EKAP verified
Dr. Lütfi Kırdar Kartal Training and Research Hospital
Architectural, structural and electromechanical quantity take-off and costing across all disciplines.
323.000 m²
Current values are the indexed equivalent of the tender price — period: 2026-06 · TÜİK İnşaat Maliyet Endeksi (2015=100)