EST
Construction estimation
Structured input for pricing, tender decisions and internal cost control.
- Cost-estimation base
- Material and work-scope input
- Tender deadline support
External estimation and quantity take-off support
Estimation, Quantity Take-Off & Project Support
Outsourced construction estimation, quantity take-off, material lists, tender support and project administration for companies that need reliable capacity without expanding their in-house team.
Calculate faster. Protect margins. Track every change.
Pilotstart with one project
Cross-check reviewquantities verified before delivery
Clear assumptionsexclusions and open questions documented
Example project dashboard
Sample: Gothenburg office fit-out • Rev. C04
ON TRACK
Drawing set receivedArchitecture + ceiling layouts + specs
12 files
Quantity take-off in progressSplit by floor, zone and material type
68%
Open questions preparedMissing section details and finish notes
5 items
Quantities checked1,842
Revision changes found37
Deliverables ready3/5
Scope risks flagged8
Change control
New drywalls+126 m²
Ceiling changes+48 m²
Specification conflictRFI
Output-based project support.Work is structured around agreed tasks, deliverables, reviews and ongoing project needs.
Built for contractors who need clear quantities before the deadline.
Estimation and quantity take-off are the starting point, with operational support available when your project needs extra capacity.
01Plasterboard works
Walls, ceilings, quantities, material lists and revision comparison.
02Concrete works
Concrete volumes, rebar specifications, formwork and tender documentation.
03Envelope & fit-out
Windows, doors, trim, joinery, external walls and roofing.
04Finishing works
Painting, tiling and flooring.
Project-specific support: The scope can be structured around the relevant work packages, documents and revisions for each project.
Where contractors lose time and margin
- !Tender deadlines arrive before quantities are properly structured.
- !Drawing revisions change volumes but the margin impact is not visible.
- !Material lists are prepared too late for purchasing or project planning.
- !The team spends too much time on administration instead of pricing and winning projects.
More control before the offer is sent.
- ✓Drawings are turned into clear quantities, material lists and calculation-ready documents.
- ✓Changes are compared, documented and prepared for project or ÄTA discussions.
- ✓Scope, deadlines, assumptions, versions and questions are coordinated in one workflow.
- ✓The contractor gets reliable external capacity without building a full in-house team.
Estimation & Quantity Take-Off is the core service.
The work supports faster tenders, clearer purchasing, project control and margin protection.
QTO
Quantity take-off
Quantities from drawings, PDFs, BIM/IFC, specifications and schedules.
- By floor, zone and work type
- Excel / PDF reports
- Project-stage breakdown
MAT
Material lists
Practical lists that support procurement, tendering and planning.
- Quantities and units
- Notes and assumptions
- Purchasing-ready structure
CHG
Change comparison
Visible tracking for added, removed or unclear quantities between revisions.
- Revision comparison
- ÄTA support where relevant
- RFI / question list
Operational support services for selected clients.
Available for selected clients who need coordinated support beyond estimation and quantity take-off.
PC
Project Coordination
Support with project documentation, handover notes, communication tracking and coordination of agreed project information.
- Project documentation
- Handover notes
- Communication tracking
BO
Back-office Outsourcing
Administrative, data-processing and operational support without hiring extra in-house staff.
- Invoices and documents
- Data processing
- Reports and routine operations
B2B
B2B Supply
Supply of tools, equipment and consumables for construction and service companies.
- Tools and consumables
- Project-based supply
- Supplier coordination
A workflow that makes risks visible before the offer is sent.
See how documents are received, checked and delivered, with assumptions and questions made visible before the offer is sent.
Send documents
Upload PDF/DWG/IFC files or share a cloud folder. We check scope and deadline.
Review scope
We confirm work types, expected output, project stage and delivery format.
Clarify assumptions
Open questions, contradictions and missing data are prepared early.
Prepare outputs
Our team prepares quantities, material lists and calculation-ready structure.
Internal review
Logic, versions, exceptions and risky assumptions are reviewed before delivery.
Deliver + update
You receive reports and documents with support for updates when the project changes.
Clear documents for pricing, purchasing, tendering, planning and internal project control.
You receive structured outputs that can be used directly in tendering, purchasing and project follow-up.
QTY
Quantity take-off reportQuantity schedule by work type, floor, zone, material or agreed structure.
MAT
Material listMaterials, quantities, units, notes and assumptions for purchasing or tendering.
TEN
Tender support documentsCalculation-ready base for pricing and internal commercial decisions.
MRK
Marked drawingsDrawing-related notes, markups and visible references where useful.
CHG
Revision / change comparisonAdded, removed and changed quantities between drawing revisions.
RFI
RFI / question listContradictions, missing data and assumptions prepared for the client or designer.
Cooperation models for different tasks and deadlines.
Support can be one-off, recurring or dedicated to long-term workload. The format is selected according to documentation volume, tender urgency, project frequency and the need for follow-up after delivery.
Start
Project-based
For one tender, one calculation package or one clearly defined take-off task.
Best for first pilot project
Recommended
Monthly reserve
Reserved capacity for recurring estimation, quantity take-off and documentation support.
Best for recurring workload
Scale
Dedicated support
A defined scope of coordination and engineering support for recurring client needs.
Best for ongoing projects
Urgent
Tender sprint
Fast support when the tender deadline is near and internal capacity is blocked.
Best for deadline pressure
Reliability is built through process, not promises.
We work with clear scope, version and revision control, internal review, documented assumptions and exclusions, and a clear question/RFI list. The delivery is structured for pricing, purchasing, tendering and project control.
NDA and confidential file handling
Version and revision control
Internal review before delivery
Clear assumptions and exceptions
“The goal is fewer missed quantities, faster offers and visible changes before they affect the margin.”
Practical project value About Tectiva Project Services
Experienced external support without building a full in-house team.
Since 2014team experience in the field
Core focusestimation and quantity take-off
Selected clientsoperational support when needed
Tectiva Project Services Unip Lda provides outsourced construction estimation, quantity take-off and project support for construction companies that need reliable capacity without expanding their in-house team.
Members of our team have been working in this field since 2014, supporting companies on the Swedish construction market with estimation, quantity take-off, material lists and project-related documentation.
Our main focus is turning drawings and project information into clear calculation packages that can be used for pricing, purchasing, tendering, planning and internal cost control.
For selected clients, we also provide project coordination, back-office outsourcing, administrative support and B2B supply of tools, equipment and consumables.
Send your drawings. Get a clear scope, timeline and delivery format.
Share your project type, deadline, drawings or cloud-folder link, and the output you need. We will review the scope and respond by email.
Contact details
Email
info@tectiva.eu
Phone
+351 917 575 003
Registered office
Rampa dos Piornais, Edifício Horizonte, Loja 20 A, 9000-682 Funchal, Madeira, Portugal