Institute of Marine Engineering, Science & Technology

What Institute of Marine Engineering, Science & Technology does

The Institute of Marine Engineering, Science and Technology (IMarEST) is a London-headquartered, UK-registered charity (number 212992) incorporated by Royal Charter on 12 February 1889. It is the largest international multi-disciplinary professional body for marine engineers, marine scientists, and marine technologists, serving approximately 13,000 members across 120 countries through a network of 200 partner organisations, wholly-owned subsidiaries (MAREST (S) PTE. LTD. in Singapore, Marine Exhibitions Limited, and Marine Management (Holdings) Limited), and a China Representative Office in Ningbo alongside regional offices in London and Singapore.

IMarEST's product portfolio spans professional registration (Chartered Marine Engineer, Marine Scientist, Marine Technologist and the newly relaunched Technology Register tiers of MarTech, RMarTech, and CMarTech), digital platforms (IMarEST TV for video content, IMarEST Connect for community discourse, My CPD for continuing professional development tracking, Virtual Library for publications, and the Marine Directory for member visibility), publications (Marine Professional magazine, books, journals), education and accreditation services, a Marine Jobs board, and a calendar of international events (INEC/iSCSS, Marine Foresight Conference in China, Houston Conference, and a new Maritime Ethics conference). It also maintains strategic relationships with the International Maritime Organization (IMO), Engineering Council, Science Council, UN Ocean Decade, and the Commonwealth.

Revenue is generated across six streams: membership subscriptions (Student to Fellow tiers), professional registration fees, events and conference registration, publication sales, education and accreditation services, and Marine Jobs board fees. The organisation is led by CEO Chris Goldsworthy, with incoming President Professor Deborah Greaves and Membership and Professional Services Director Naomi Taylor. As a registered charity rather than a commercial entity, IMarEST does not publicly disclose financial figures and has no venture capital or private equity ownership.

Name

Institute of Marine Engineering, Science & Technology

Legal name

The Institute of Marine Engineering, Science and Technology

Website

https://imarest.org

Company type

Private

Founded year

1889

Operating status

Operating

Headcount range

11–50 employees

Short description

IMarEST is a UK Royal Charter charity and the largest international professional body for marine engineers, scientists, and technologists, serving 13,000 members across 120 countries via professional registration, digital platforms, publications, events, and accreditation services.

Ownership category

akta.pro rank

Product category

Professional Membership Body

NAICS

Engineering Services (541330), Technical and Trade Schools (6115)

SIC

Services-Engineering, Accounting, Research, Management (8700), Services-Educational Services (8200)

akta.pro primary industry

Maritime Safety, Security & Compliance (STCW/ISM/ISPS) (EDAOANAD)

akta.pro secondary industry

Marine Engineering & Engine Room Operations (EDAOANAB)

Keywords

• Marine professional body
• Professional registration services
• Maritime membership organization
• Marine engineering certification
• Continuing professional development

Headquarters

HQ city

London

HQ country

United Kingdom

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales

Revenue model

1. Membership Subscriptions: Annual membership fees from individual professionals across various grades (student, associate, member, fellow) providing access to resources, professional development, and community.
2. Professional Registration Services: Fees for professional registration including Marine Technician, Registered Marine Technologist, and Chartered Marine Technologist designations.
3. Events and Conferences: Registration fees for events including INEC/iSCSS, Marine Foresight Conference, Houston Conference, and webinars.
4. Publications: Revenue from Marine Professional magazine subscriptions, books, journals, and other publications.
5. Education and Training: Fees for accreditation services, learning programs, and career pathway resources.
6. Marine Jobs Board: Job posting fees for employers seeking marine professionals.

Pricing tiers

Go-to-market motion1 record

Distribution channels6 records

Marketing channels9 records

Core offering

The Institute of Marine Engineering, Science and Technology (IMarEST) is an international professional body and learned society offering tiered individual and corporate memberships, chartered professional registration (Marine Technician, Registered Marine Technologist, Chartered Marine Technologist), continuing professional development tracking, technical publications, conferences (INEC/iSCSS, Marine Foresight, Houston), an online community, and accreditation services for marine engineers, scientists and technologists worldwide.

Product overview

IMarEST is an international professional body and learned society offering a portfolio of membership services, professional registration standards, publications, and educational resources for marine engineers, scientists, and technologists. The core offerings include professional registration (Marine Technician, Registered Marine Technologist, Chartered Marine Technologist), the Marine Professional Magazine publication, IMarEST TV video platform, IMarEST Connect discussion forum, My CPD continuing professional development tracking, a Virtual Library, Marine Jobs board, and organized events including INEC/iSCSS and Marine Foresight Conference. The organization also supports members through Special Interest Groups, career pathway resources, and accreditation services, with the Guild of Benevolence providing charitable support to the marine community.

Differentiator

Problem solved

Functional benefit

Products and services

• IMarEST Membership Tiered individual and corporate membership subscriptions (Student, Associate, Member, Fellow) providing marine professionals access to the global IMarEST network, publications, CPD tools, and Special Interest Groups.
• Professional Registration Chartered and registered professional titles for marine engineers, scientists and technologists, including Marine Technician (MarTech), Registered Marine Technologist (RMarTech), and Chartered Marine Technologist (CMarTech), as well as Chartered Engineer, Registered Scientist and related registrations.
• Marine Professional Magazine Official IMarEST magazine and weekly e-newsletter, published four times yearly in print, covering marine industry news globally for the professional marine community.

Quantifiable outcome

• Serving 13,000 members across 120 countries

Named customers2 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Five partnerships are on record, tiered core, major and minor.

• IMO (International Maritime Organization)coreOthersIMO is the specialized agency of the United Nations responsible for regulating shipping. IMarEST collaborates with IMO as part of its international representation and advocacy role for marine professionals.
• Engineering CouncilcoreStrategic or Co-development PartnerUK regulatory body for engineering professionals. IMarEST works with the Engineering Council on professional registration standards and Chartered Engineer accreditation.
• Science CouncilcoreStrategic or Co-development PartnerUK body representing scientific professional societies. Partnership supports scientific development of marine engineering, science and technology.
• UN Ocean DecademajorOthersUnited Nations Decade of Ocean Science for Sustainable Development (2021-2030). IMarEST supports the global initiative to advance ocean knowledge and sustainability.
• CommonwealthminorOthersPartnership supporting maritime professional development across Commonwealth nations.

Scale indicators5 records

Recent moves6 records

Expansion highlights5 records

Others

• International Maritime Organization (IMO): UN specialized agency that regulates international shipping and develops maritime safety, security, and environmental conventions. Not a peer in the commercial sense, but a regulatory and standards partner — IMarEST holds formal observer/consultative status at IMO, and IMO's STCW and other conventions underpin much of IMarEST's professional registration relevance.

Broad incumbents

• Institution of Mechanical Engineers (IMechE): One of the UK's largest and oldest engineering professional bodies (Royal Charter, founded 1847) with a much broader mechanical-engineering membership that includes marine engineers as a sub-discipline. Comparable as a UK Royal-Chartered engineering institution model, but significantly larger and more diversified than IMarEST.
• Energy Institute (EI): Royal-Chartered professional membership body for the energy sector, including offshore oil and gas and marine renewables. Comparable to IMarEST in providing professional registration grades, CPD tracking, technical publications, and an industry-recognized credentialing framework for energy professionals.

Direct peers

• The Nautical Institute: International professional body for maritime navigators, seafarers, and shipping professionals. Comparable to IMarEST as a fellow UK-headquartered Royal-Chartered maritime membership organization offering professional certification, publications, and branch networks for the marine sector.
• Marine Technology Society (MTS): International professional society focused on marine technology, ocean engineering, and policy. Comparable to IMarEST because it shares the same multi-disciplinary marine technology audience (engineers, scientists, technologists), membership-tier model, and conferences such as Ocean Sciences and OCEANS conferences.
• Royal Institution of Naval Architects (RINA): UK-based international professional body for naval architects, marine engineers, and shipbuilders with a Royal Charter. Closest direct peer to IMarEST — both are UK-headquartered learned societies offering membership grades, technical publications, and conferences for marine professionals, and they collaborate through events like INEC/iSCSS.
• Society of Naval Architects and Marine Engineers (SNAME): US-based professional society serving naval architects, marine engineers, and ocean technologists. Comparable to IMarEST in mission (advancing the art, science, and practice of naval architecture and marine engineering) and in offering membership grades, conferences, and technical papers — though more regionally focused on the Americas.
• International Association of Maritime Universities (IAMU): Global association of leading maritime universities and academies focused on maritime education, training, and research. Comparable to IMarEST because of overlapping focus on maritime workforce development, accreditation of maritime programs, and academic-industry collaboration.

Emerging players

• Society for Maritime Industries (SMI): UK trade association representing the maritime industrial supply chain (shipbuilding, equipment, engineering services). Comparable to IMarEST as a UK maritime membership organization, though SMI represents corporate members and supply-chain firms rather than individual professional registrations.
• World Maritime University (WMU): IMO-founded graduate university and centre of excellence for maritime education and research based in Malmö, Sweden. Comparable to IMarEST's education and training pillar (accreditation, career pathways) and overlaps in addressing the global shortage of maritime professionals, though WMU is degree-granting rather than a membership body.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/the-institute-of-marine-engineering-science-and-technology-imarest

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries3 records

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 Institute of Marine Engineering, Science & Technology