Technical Documentation

Clear, compliant, and operationally useful documents—produced fast, reviewed rigorously, and packaged for class, client, and site teams.

Assurance documents that pass review first time

We create technical documents that stand up to audits, class review, and day to day operations. From risk and HSE studies to O&M manuals and lift plans, everything is built from structured templates, traceable assumptions, and the latest design data—so stakeholders can approve quickly and crews can work safely.

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What we deliver

Clear, precise documentation that keeps projects moving and avoids costly rework.

Structured templates & registers

Scope, assumptions, inputs, and change log for full traceability.

Standards alignment

Mapping to relevant codes and rules (e.g., DNV/LR/ABS, Machinery Directive/UKCA, ASME, LOLER/PUWER, CDM where applicable).

Design data integration

Drawings, models, loadcases, and vendor data embedded or referenced with proper revision control.

Action tracking

HAZID/HAZOP and FMECA actions captured with owners, due dates, and verification evidence.

Field ready presentation

Concise, visual procedures with step lists, hold/witness points, and signoff sheets.

Deliverables in your formats

Editable source files (Word/Excel/PowerPoint) plus signed PDFs, document registers, and numbering to your IMS.

Focussed on delivery

Subco delivers high quality engineering work, on demand. We help companies deliver critical packages of work—without the delays, overhead, or commitment of hiring. Whether it’s a capacity or capability gap, we provide defined, fixed-price solutions that keep projects moving.

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How we deliver

  1. 1

    Fixedprice workpacks

    Clearly scoped document lists, review cycles, and acceptance criteria—ready for class/owner review.

  2. 2

    Compliance built in

    Templates and content aligned to site procedures and regulatory expectations (LOLER/PUWER, CDM, machinery/pressure codes, class).

  3. 3

    Review and sign-off

    Internal peer review, redline control, and stakeholder approval logs to derisk audits.

  4. 4

    ISO-aligned processes

    ISO 9001 quality and ISO 27001 information security; our client portal provides full visibility from scope to delivery.

  5. 5

    Speed without shortcuts

    Rapid drafting, clear assumptions, and disciplined version control so projects keep moving.

Our trusted partners

PortOfTyne
IntegrityISS
EnshoreSubsea
Subsea Energy Solutions
NHS
Siemens Energy

Services by industry

Discover more flexible, fixed-price engineering support in your industry.

Speak to our experts

We'll help you define the problem, assess your needs, and connect you with the right engineering expertise — giving you clarity and confidence to move ahead.