What Aventa does

Aventa is an independent French-headquartered professional services group specializing in marine energy and offshore transmission infrastructure. Founded in 2010 and based in Paris, the company delivers engineering, consulting, and operational services to offshore energy developers, transmission system operators, EPCI contractors, cable manufacturers, and technology providers across subsea cables, offshore wind, subsea pipelines, offshore oil & gas, and emerging marine energy markets.

The company operates a three-pillar service model. The Engineering pillar provides design studies, advanced analysis, and simulation for offshore and subsea systems including cables, foundations, pipelines, floating structures, and installation methods. The Consulting pillar delivers independent technical advisory, project staffing, interface management, and governance support. Operations are executed through Nerio, a wholly-owned subsidiary focused on installation supervision, pull-ins, terminations, testing, and offshore operational support. Together, these pillars cover the full project lifecycle from early studies through FEED, detailed design, installation, and O&M, with claimed 20 years of marine operations experience consolidated inside Nerio.

Aventa monetizes through project-based professional services contracts with enterprise clients. Pricing is not publicly disclosed and is negotiated based on scope, duration, and experience level. The go-to-market is direct enterprise sales with no indirect channels, resellers, or marketplace presence. Aventa employs 400+ professionals from over 30 nationalities across 13 offices in France, the UK, Italy, Croatia, Denmark, and the USA, with active projects in 20+ countries. The company received its first external capital in April 2023 — a €10 million private equity round from NextStage AM — and has set a 2025 revenue target of surpassing €100 million alongside a 2030 ambition to recruit ~800 additional team members and become the #1 leader in marine energy.

Name

Aventa

Legal name

Aventa

Website

https://aventa.fr

Company type

Private

Founded year

2010

Operating status

Operating

Headcount range

101–250 employees

Short description

Aventa is an independent French-headquartered professional services group delivering engineering, consulting, and offshore operations (via its Nerio subsidiary) to marine energy and offshore transmission clients — including wind developers, TSOs, EPCI contractors, and cable manufacturers — across 13 offices and 20+ countries.

Ownership category

akta.pro rank

Product category

Offshore Engineering Services

NAICS

Support Activities for Water Transportation (4883)

SIC

Oil & Gas Field Services, Nec (1389)

akta.pro primary industry

Marine & Offshore Wind BOP Construction (Foundations, Cables, Ports, Installation Support) (EUAMAFAI)

akta.pro secondary industries

Wind Power Plant EPC (Onshore/Offshore) (EUAEAAAF), Construction Management & General Contracting (EPCM, Scheduling, QA/QC, HSE) (EUAMAFAJ), Transmission Interconnection & Line Works (Gen-Tie Lines, Overhead/Underground Lines) (EUAMAFAF), Offshore-to-Shore Interface Construction (Landfalls, Shore Crossings, HDD) (IMAFAJAK)

Keywords

• Offshore engineering services
• Subsea cable engineering
• Offshore wind consulting
• Marine energy consulting
• Subsea pipeline engineering

Headquarters

HQ city

Paris

HQ country

France

HQ region

Europe

Offices10 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering Services: Project-based engineering engagements covering design studies, advanced analysis, and simulation for offshore and subsea systems. Contracts are typically long-term professional services engagements with major energy operators, developers, and contractors.
2. Consulting Services: Independent technical advisory, project staffing, interface management, and governance support for complex offshore developments. Staffing engagements range from individual consultant placements to fully integrated team deployments.
3. Operations Services (via Nerio): Marine operations including installation supervision, cable pull-in, termination and testing, and O&M support. Nerio provides competent professionals relying on 20 years of experience for offshore construction and maintenance campaigns.
4. Project Staffing: Placement of specialist professionals into client projects, ranging from short-term site roles to multi-year project assignments. Revenues from placing commissioning supervisors, engineers, site managers, and technical specialists into offshore energy projects.

Pricing tiers

Go-to-market motion2 records

Distribution channels1 record

Marketing channels5 records

Core offering

Aventa is an independent group specializing in marine energy and offshore transmission infrastructure. It delivers integrated solutions across three pillars: Engineering (design studies, advanced analysis, and simulation for offshore and subsea systems), Consulting (independent technical advisory, project staffing, interface management, and governance support), and Operations (offshore execution expertise through its Nerio subsidiary covering installation supervision, pull-ins, terminations, testing, and operational support). The company serves Operators, Developers, TSOs, EPCIs, Installation Contractors, Cable Manufacturers, and Technology Providers across the full offshore project lifecycle.

Product overview

Aventa is an independent group specializing in marine energy and offshore transmission infrastructure. The company operates a three-pillar model combining Engineering, Consulting, and Operations (via its Nerio entity) to provide integrated offshore solutions across the full project lifecycle. Aventa's core offerings span subsea cable systems, offshore wind, subsea pipelines, offshore oil & gas, and ocean energy markets. The Engineering pillar delivers design studies, advanced analysis, and simulation for offshore systems. Consulting provides independent technical advisory and project staffing. Operations, executed through subsidiary Nerio, focuses on offshore execution including installation supervision, pull-ins, terminations, and testing.

Differentiator

Problem solved

Functional benefit

Products and services

• Engineering Services Design studies, advanced analysis, and simulation for offshore and subsea systems including cables, foundations, pipelines, floating structures, and installation methods. Sold to enterprise clients in offshore energy.
• Consulting Services Independent technical advisory, project staffing, interface management, and governance support for complex offshore developments, ranging from individual consultant placements to fully integrated team deployments.
• Operations Services (Nerio)

Quantifiable outcome

• Target of surpassing €100 million in revenue by 2025
• +3 more outcomes

Named customers10 records

Segments6 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Three partnerships are on record, tiered minor.

• ADFCL (Association for the Development of Moonlight Mating)minorStrategic or Co-development PartnerBiodiversity partnership with ADFCL, a student-founded association from Arts et Métiers Bordeaux developing an open-source connected hive system to improve genetic control of honeybee reproduction. Aventa supports prototyping capabilities, provides visibility, and integrates the initiative into its broader CSR commitment to biodiversity and innovation. The project operates under CERN-OHL-S v2 open-source license.
• Fortuna di FanominorGTM or Marketing PartnerLocal sports sponsorship of Fortuna di Fano, a grassroots football club in Fano, Italy. Support includes visibility, shared photos, branded equipment during matches, and open invitations for Aventa Fano colleagues to attend games. Rooted in supporting Aventager Enrico Di Maggio and strengthening Aventa's local presence in Fano.
• Safer WavesminorGTM or Marketing PartnerCharitable sponsorship supporting Gordon Foo's Mount Kilimanjaro trek in October 2023 for Safer Waves, an organisation dedicated to helping seafarers impacted by bullying, harassment, and assault. Aventa provided financial support and ongoing social media amplification. This was Aventa's first sponsorship initiative.

Scale indicators10 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Tractebel (Engie): Engineering consultancy within the Engie group providing offshore wind, subsea cable and HVDC engineering services to European developers and TSOs. Comparable to Aventa in offshore wind engineering scope but operates at much greater scale with broader energy infrastructure portfolio.
• Wood Group: Global engineering and consulting firm with deep offshore wind, subsea and oil & gas service lines. Comparable in offshore energy consulting scope but at vastly greater scale and with a heavier oil & gas legacy exposure.
• Worley: Global energy, chemicals and resources project services group with offshore wind and subsea engineering offerings. Overlaps with Aventa on offshore wind EPCI-adjacent consulting and engineering but serves a much broader portfolio of energy and industrial customers.
• DNV: Classification society and energy advisory providing technical assurance, standards and engineering services to offshore wind and subsea cable projects. Comparable as a technical authority and risk-management partner across offshore energy projects.
• Mott MacDonald: Global engineering consultancy with offshore wind, subsea cable and transmission infrastructure advisory practices. Comparable to Aventa on engineering consulting for offshore energy and grid connection projects, though operates across many other infrastructure sectors.
• WSP: Global professional services firm with a growing offshore wind and marine infrastructure consulting practice, particularly in Europe. Comparable in energy-transition consulting scope but with far broader transportation, environmental and built-environment exposure.
• Bureau Veritas Marine & Offshore: Testing, inspection and certification company with a dedicated marine and offshore renewable business serving offshore wind and subsea cable projects. Comparable as a risk-management and assurance partner on the same client base as Aventa.

Direct peers

• COWI: Danish-headquartered engineering consultancy with a major offshore wind and subsea cable practice spanning design, installation engineering and project advisory. Closest direct comparable to Aventa in service mix, technical specialisation and European offshore wind customer base.
• Ramboll: European engineering consultancy with a significant offshore wind and energy transition practice, including foundation design and offshore substation engineering. Direct comparable to Aventa in offshore wind specialisation, particularly across Northern Europe.
• ABL Group: Independent energy and marine consultancy providing offshore wind, subsea cable and offshore energy engineering and marine operations support. Comparable to Aventa in scale, service mix (engineering + operations) and offshore renewables focus.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/aventa
• Xx.com/AventaGroup

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

Funding overview

Funding rounds1 record

Investors1 record

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 Aventa