About us

About First In Service OÜ

First In Service OÜ is an Estonian contract manufacturer and heavy engineering subcontractor at Valukoja 12, Tallinn. Our manufacturing experience goes back to 2002, and the company was registered in 2010. Fabrication, machining, surface treatment and assembly share one 18,000 m² site, so a 160-tonne weldment is finished and documented without leaving the yard.

Mission and vision

◎Our mission

To keep developing as a reliable contract manufacturer and heavy engineering subcontractor, delivering precision-welded, machined and assembled products for demanding industrial applications on time.

◈Our vision

To be the first-choice precision manufacturer in Northern Europe for clients whose equipment must not fail, known for documented process control, consistent quality and deep industry knowledge.

Outsourcing

Why outsource to First In Service

Outsourcing a large welded and machined part often means managing a fabricator, a machine shop, a heat-treatment shop and a coating hall, plus the transport and re-inspection between them. With First In Service those steps sit under one contract and one point of contact.

One contract from plate to FAT: cutting, welding, stress relieving, machining, surface treatment, assembly and factory acceptance testing in one order. NDT, grinding and polishing are done by certified partners that we manage.
One 18,000 m² site: fabrication, machining, coating and assembly share one site in Tallinn, so a part up to 35 × 7 × 7 m and 160 tonnes is welded, machined and coated without being trucked between suppliers.
Answers on a known clock: an engineer replies within 1 working day, and a firm quote follows within 5 working days.
Documentation that travels with the part: EN 10204 3.1 material certificates (3.2 on request), NDT and dimensional inspection reports, and a Manufacturing Data Record for assemblies.
20 km to the ship: Muuga Harbour is 20 km away and Paldiski Port 60 km, with heavy-haul road access from the site.
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Proven in demanding sectors

We are a specialised contract manufacturer and heavy engineering subcontractor delivering precision-welded, machined, and assembled products for demanding industrial applications.

Early DFM review

Before we build to print, our production engineers carry out a Design for Manufacturability (DFM) review to find potential failure points, optimise welding sequences and reduce your overall manufacturing cost.

Certified quality systems

Our operations are certified to ISO 9001, ISO 14001, EN ISO 3834-2 and EN 1090-2, and our documentation complies with PED.

Full material traceability

We guarantee full material traceability from prototype to series production. Weld integrity is verified by NDT (VT, PT, MT, UT) carried out by certified partners.

Scale and lifting capacity

With 18,000 m² of floor space and lifting capacity up to 160 tonnes, we can scale resources to your project timeline and handle very large components.

Heavy-haul port access

Our Tallinn site is 20 km from Muuga Harbour and 60 km from Paldiski Port, with direct heavy-haul road access that avoids city traffic. Oversized components up to 160 tonnes ship roll-on/roll-off to Europe and the Nordics.

Environmental responsibility

Waste, chemical safety and emissions are actively managed as part of our ISO 14001-certified operations.

Bring us your toughest tolerances.

Share your technical requirements with our engineers. We will send a firm quote within five working days.

Start your projectDownload capability overview (PDF)
At a glance

First In Service in numbers

Experience: Manufacturing since 2002, First In Service OÜ registered 2010
Facility: 18,000 m² single-site workshop, Valukoja 12, Tallinn, Estonia
Maximum product: 35 × 7 × 7 m (L×W×H), 160 tonnes
CNC envelope: Ø 2,700 mm, length 13,000 mm, tolerance ±0.02 mm
Welding: 135/136, TIG, SAW up to 100 mm — EN ISO 3834-2, EN 1090-2
Certifications: ISO 9001, ISO 14001, EN ISO 3834-2, EN 1090-2, PED 2014/68/EU
Surface treatment: Shot-blasting and coating to NORSOK M-501, C5-M
Logistics: Muuga Harbour 20 km, Paldiski Port 60 km, heavy-haul road access
Response: Reply within 1 working day, firm quote within 5 working days
FAQ

Questions buyers ask

When was First In Service founded?

Manufacturing experience dates from 2002; First In Service OÜ was registered in 2010. The company operates from Valukoja 12, Tallinn, Estonia.

What is First In Service's business model?

A single-site integrated contract manufacturer and heavy engineering subcontractor: fabrication, CNC machining, surface treatment and assembly in one building, under one contract and one quality system.

What makes First In Service different from other subcontractors?

Single-point accountability: everything happens in one building, so one audit visit covers the whole production chain. Add to that a 160-tonne / 35-metre envelope and port access 20 km away.

Where does First In Service deliver?

Primarily the Nordic countries and the rest of Europe: Finland, Sweden, Norway, Denmark, Germany and the Netherlands. EU origin simplifies customs and content requirements.

In brief

160 tonnes. 35 metres. 20 km to the ship. Heavy fabrication, precision machining and mechanical assembly under a single contract. One supplier is responsible for the finished geometry and for the documentation that proves it.

At a glance

Sectors served

Marine, offshore & subsea
We machine and fabricate parts for high pressures and corrosive marine conditions, from podded propulsion components to structural elements for offshore platforms. Fabrication, machining and corrosion protection are all done in-house, so the coating is never handed to a third party. Weight: 100 kg – 50,000 kg. Envelope: Up to 25 × 5 × 5 m (L×W×H). Materials: Marine-grade steels, carbon steel, stainless steel, duplex / super duplex. Surface treatment: NORSOK M-501 and C5-M, applied in-house. Class approvals: DNV, Lloyd's Register, Bureau Veritas, RINA — scope per project. Inspection: VT, PT, MT, RT.
Oil & gas / process equipment
We manufacture certified pressure vessels, tanks, piping modules and skids in strict compliance with PED and international safety standards. Design: EN 13445 / PED 2014/68/EU. Weight: 200 kg – 25,000 kg. Envelope: Up to 25 × 5 × 5 m (L×W×H). Materials: Carbon steel, stainless steel, duplex, super duplex. Inspection: VT, PT, MT, RT.
Rotating parts & shafts
Made to drawing for pumps, compressors, fans, turbines and power generation: impellers up to Ø 4,000 mm, rotors, shafts up to 3,250 mm, casings, and fan and blower components. Welded parts are stress-relieved, and rotating parts are dynamically balanced in the same order. Weight: 10 kg – 5,000 kg. Envelope: Ø 500 – Ø 4,000 mm. Balancing: Up to Ø 4,000 mm and 4,000 kg. Materials: Carbon steel, stainless steel, duplex / super duplex, titanium. Inspection: VT, PT, MT, RT.
Pulp & paper machinery
Precision spare parts and critical process components for mills in continuous production. Our priority is fast, reliable manufacturing that keeps your downtime short. Design: EN 13445 / PED 2014/68/EU. Weight: 200 kg – 25,000 kg. Envelope: Up to 25 × 5 × 5 m (L×W×H). Materials: Carbon steel, stainless steel, duplex. Inspection: VT, PT, MT, RT.
Mining & machine building
Heavy machine-building assemblies for the mining sector, precision-machined from wear-resistant materials for high-impact, abrasive service. Components: Machine assemblies, structural frames, conveyor elements. Materials: Hardened and wear-resistant steels. Conditions: High-impact, abrasive environments. Inspection: VT, PT, MT.
Defence
Precision manufacturing of regulated, mission-critical defence components, with full traceability, strict quality control and compliance with defence industry specifications. Focus: Mission-critical precision components. Requirements: Full traceability, strict QC, defence specifications. Capabilities: Welding, machining, assembly to military standards.

Why buyers choose us

Proven in demanding sectors
We are a specialised contract manufacturer and heavy engineering subcontractor delivering precision-welded, machined, and assembled products for demanding industrial applications.
Early DFM review
Before we build to print, our production engineers carry out a Design for Manufacturability (DFM) review to find potential failure points, optimise welding sequences and reduce your overall manufacturing cost.
Certified quality systems
Our operations are certified to ISO 9001, ISO 14001, EN ISO 3834-2 and EN 1090-2, and our documentation complies with PED.
Full material traceability
We guarantee full material traceability from prototype to series production. Weld integrity is verified by NDT (VT, PT, MT, UT) carried out by certified partners.
Scale and lifting capacity
With 18,000 m² of floor space and lifting capacity up to 160 tonnes, we can scale resources to your project timeline and handle very large components.
Heavy-haul port access
Our Tallinn site is 20 km from Muuga Harbour and 60 km from Paldiski Port, with direct heavy-haul road access that avoids city traffic. Oversized components up to 160 tonnes ship roll-on/roll-off to Europe and the Nordics.
Environmental responsibility
Waste, chemical safety and emissions are actively managed as part of our ISO 14001-certified operations.