Sejc Consulting Engineers Limited

What Sejc Consulting Engineers Limited does

SEJC Consulting Engineers Limited is an independent consulting civil and structural engineering practice headquartered in Leeds, United Kingdom. The firm operates as a small practice (1–10 employees) delivering professional services across building superstructure and foundation design, civil/structural engineering design and detailing, conditions surveys, building appraisals, construction inspection and supervision, feasibility studies and development plans, contract administration, and project management. Its technical expertise spans steel, reinforced concrete, and masonry, and it serves clients across eight sectors: commercial, education, healthcare, industrial, leisure, refurbishment/renovation, retail, and residential.

The firm differentiates through a tightly held operating model in which a director is directly involved in every project from conception to completion, prioritizing senior-level client engagement and quality over throughput. Its revenue model is professional services fees — typically one-time project fees for engineering design and consultancy — with no publicly disclosed pricing. Distribution is direct: the firm engages clients across the public and private sectors through relationship-based sales, supported by a minimal digital presence (the sejc.co.uk website) and no apparent digital marketing, partnerships, or ecosystem activity.

The firm is privately held with no disclosed parent company, investors, or funding history. It reports very high repeat business, with many clients entrusting all their projects to SEJC over many years. There is no evidence of AI/ML adoption, proprietary technology platforms, patents, certifications, or public-sector accreditations. The company's digital infrastructure (PHP/MySQL backend, 2018 copyright) suggests under-investment in modernisation.

Name

Sejc Consulting Engineers Limited

Legal name

SEJC Consulting Engineers Limited

Website

https://sejc.co.uk

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

SEJC Consulting Engineers Limited is an independent civil and structural engineering practice based in Leeds, UK, delivering building design, engineering consultancy, and project management services across commercial, education, healthcare, industrial, leisure, retail, and residential sectors in the UK.

Ownership category

akta.pro rank

Product category

Civil and Structural Engineering Consulting

NAICS

Architectural, Engineering, and Related Services (5413), Engineering Services (541330)

SIC

Services-Engineering Services (8711)

akta.pro primary industry

Civil & Structural Engineering Consulting (BPAHAIAA)

Keywords

• Civil engineering consulting
• Structural engineering design
• Building design services
• Construction inspection
• Feasibility studies

Headquarters

HQ city

Leeds

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Engineering Consultancy Services: One-time professional services fees for civil and structural engineering design projects, including building design, construction inspection, feasibility studies, contract administration, and project management services.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

SEJC Consulting Engineers provides civil and structural engineering design, building design, and consultancy services across multiple asset classes. Core deliverables include building superstructure and foundation design, civil/structural engineering design and detailing, conditions surveys, building appraisals, construction inspection and supervision, feasibility studies and development plans, contract administration, and project management. The practice serves commercial, education, healthcare, industrial, leisure, refurbishment/renovation, retail, and residential sectors across Yorkshire and the wider UK.

Product overview

SEJC Consulting Engineers Limited is an independent Consulting Civil and Structural Engineering practice based in Leeds. The company offers a unified set of professional engineering services rather than a modular product platform. The core offering includes structural and civil engineering design and detailing, building design services, construction inspection and supervision, feasibility studies, and project management. The company specialises in commercial aware innovative design solutions using steel, reinforced concrete, and masonry across multiple sectors including commercial, education, healthcare, industrial, leisure, refurbishment/renovation, retail, and residential.

Differentiator

Problem solved

Functional benefit

Products and services

• Building Superstructure and Foundation Design Structural engineering design of building superstructures and foundations using steel, reinforced concrete, and masonry, delivered to commercial, education, healthcare, industrial, leisure, retail, and residential clients.
• Civil and Structural Engineering Design and Detailing Detailed engineering design and analysis covering civil and structural works for buildings and infrastructure, intended for public and private sector clients undertaking construction projects.
• Conditions Surveys and Building Appraisals Structural assessments and condition surveys of existing buildings to support renovation, refurbishment, and due diligence decisions, suited for property owners and developers.
• Construction Inspection and Supervision On-site inspection and supervision of construction works to ensure structural compliance and quality, delivered to clients undertaking building projects.
• Feasibility Studies and Development Plans Feasibility studies and development planning for proposed building projects, supporting landowners and developers in evaluating project viability and structural options.
• Contract Administration and Project Management Administration of building contracts and project management oversight for construction projects, ensuring delivery on schedule and compliance with agreed specifications.

Quantifiable outcome

• Very high repeat business rate with many clients using SEJC for all projects over many years

Segments8 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators2 records

Recent moves4 records

Expansion highlights3 records

Direct peers

• Mason Clark Associates: Mid-sized independent UK structural and civil engineering consultancy with multi-sector coverage and a comparable project-led professional services model to SEJC.
• Pell Frischmann: Independent UK-headquartered civil and structural engineering consultancy with similar sector breadth (commercial, education, healthcare, residential) and project-based professional services delivery.
• Cundall: Independent multi-disciplinary engineering consultancy with strong UK structural and civil engineering practices serving commercial, education, healthcare and residential sectors — a close like-for-like peer for SEJC.
• Waterman Group: UK-listed engineering consultancy providing structural and civil engineering design across commercial, education, healthcare, leisure and residential sectors — a closely comparable peer at a larger scale.
• Hydrock (now Stantec): UK engineering consultancy providing civil, structural and building services design across commercial, education and healthcare sectors, directly competing for the same client briefs as SEJC.
• Curtins: UK-headquartered civil and structural engineering consultancy with multi-sector coverage and a similar project-by-project professional services model, directly comparable to SEJC's offering at a larger scale.

Broad incumbents

• Ramboll: International engineering, design and consultancy firm with a substantial UK building structures and civil engineering practice covering the same sectors as SEJC at a much larger scale.
• Arup: Global engineering consultancy with significant UK presence in structural and civil engineering design across all of SEJC's served sectors, though typically at larger and more complex project scales.
• Sweco UK: European-headquartered engineering consultancy with a UK civil and structural practice competing for commercial, healthcare and education sector work that overlaps directly with SEJC's offering.
• WSP: Global professional services firm with a major UK civil/structural engineering practice; competes for the same building design briefs but as part of a much broader multi-disciplinary portfolio.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/sejc-consulting-engineers-limited

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sejc Consulting Engineers Limited