Adonin
Adonin B.V. is a Dutch civil engineering consultancy based in Harlingen, Netherlands, providing advisory, design, inspection, and structural engineering services for road and waterway construction projects to Dutch municipalities and construction firms. Founded in 2004, it operates as part of BGA groep.
- Company typePrivate
- Founded2004
- HeadquartersHarlingen, Netherlands
- Headcount11–50
- GTM typeB2B
- OfferingServices
What Adonin does
Adonin B.V. is a Dutch civil engineering consultancy headquartered in Harlingen, Netherlands, specializing in road and waterway construction (weg- en waterbouw). Founded in 2004 and operating as part of the BGA groep conglomerate, the firm provides a full-service offering spanning advisory, design, inspection, certification, project management and supervision (directievoering en toezicht), budget estimation, structural calculations (constructieve berekeningen), systems engineering, and RAW specifications for civil infrastructure projects. Its core technical capabilities include in-house 3D modeling and structural engineering, with growing investment in parametric design methodology for bridges, quays, locks, and marine structures. The company has achieved CO2 Performance Ladder Level 5 certification (highest tier) from SKAO, positioning it competitively in Dutch sustainability-weighted public tenders.
The firm's revenue model is project-based professional services delivery, billed through municipal contracts and direct engagements with construction firms. Its go-to-market is sales-led and relationship-driven, relying on direct client acquisition, municipal tender participation, and repeat business from established construction partners. Clientele is concentrated in Dutch municipal governments — primarily in the Friesland region (Gemeente Súdwest-Fryslân, Waadhoeke, Harlingen, Hollandse Kroon, Nijkerk) — supplemented by selective clients in adjacent provinces and one international engagement (Suriname). The firm has approximately 10-15 employees, with no funding rounds, no M&A activity, and operates as a privately-held subsidiary within the BGA groep framework. Marketing channels are limited to a project portfolio website, Twitter, and Facebook, with no public pricing or packaged service offerings.
Adonin firmographics
Firmographics- Name
- Adonin
- Legal name
- ADONIN B.V.
- Website
- https://adonin-harlingen.nl
- Company type
- Private
- Founded year
- 2004
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Adonin B.V. is a Dutch civil engineering consultancy based in Harlingen, Netherlands, providing advisory, design, inspection, and structural engineering services for road and waterway construction projects to Dutch municipalities and construction firms. Founded in 2004, it operates as part of BGA groep.
- Ownership category
- akta.pro rank
Where Adonin is headquartered
LocationHeadquarters
- HQ city
- Harlingen
- HQ country
- Netherlands
- HQ region
- Europe
Offices1 record
Markets served
Adonin business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Marketing or Sales
Revenue model
- Civil Engineering Consulting Services: Professional services revenue generated through advisory, design, engineering, and inspection services for civil construction projects. Services include directievoering en toezicht (project management and supervision), budget ramingen (budget estimates), constructieve berekeningen (structural calculations), and RAW bestekken (specifications). Revenue is project-based and earned through municipal contracts and construction company engagements.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels3 records
Adonin product offering
Product offeringCore offering
Adonin is a Dutch civil engineering consultancy specializing in road and waterway construction (weg- en waterbouw). The company delivers integrated advisory, design, inspection, and project management services for public infrastructure including bridges, quays, locks, and marine structures. Services span parametric 3D modeling, structural calculations, budget estimation, RAW specifications, and construction supervision for municipal governments and construction contractors.
Product overview
Adonin is a civil engineering consultancy (weg- en waterbouw) based in Harlingen, Netherlands, providing integrated advisory, design, and inspection services for road and water construction. The company operates as a unified service offering centered around engineering consultancy, with core disciplines including structural design (3D modeling), project management and supervision, budget estimation, structural calculations, systems engineering, and inspection services. The company also offers parametric design capabilities for bridges, dock structures, and other civil infrastructure. Adonin's portfolio includes projects such as bridge engineering, quay construction, lock renovation, cruise ship steiger design, and heritage bridge restoration.
Differentiator
Problem solved
Functional benefit
Brands
- BGA Greenpoint: CO2 performance ladder documentation and sustainability reporting section of the company website.
Products and services
- Advies (Advisory Services)
Companies that use Adonin
Customer profileNamed customers7 records
Segments2 records
Ideal customer profiles2 records
Adonin technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature2 records
Adonin partnerships and signals
Strategic signalPartnerships
13 partnerships are on record, tiered minor and core.
- Europees Fonds voor Regionale Ontwikkeling (EFRO)minorEU regional development fund co-funded the parametric design development project enabling ADONIN to develop parametric models for bridges, mooring structures, and piers.
- Samenwerkingsverband Noord-Nederland (SNN)minorNorthern Netherlands cooperation body co-funded the parametric design development project for civil infrastructure optimization.
- Alfa-college GroningenminorStudent coaching partnership for Light Challenge 2018 innovation competition. ADONIN employee Gert de Vries coached 6 students to win the competition with their 'De Wereldreiziger' landmark design.
- De Boer & De Groot civiele werken b.v.coreLong-standing engineering partnership for civil construction projects including Amsterdam infrastructure (Brug 160, Brug 80, Sigmakade, Cruquiusgebied kademuur), Edam tram bridge renovation, and various other projects. ADONIN provides design, structural calculations, and engineering services while De Boer & De Groot executes construction.
- Gemeente Súdwest-FryslâncoreMunicipal client for Lancaster bomber recovery project in IJsselmeer and cruise ship pier in Stavoren. ADONIN provides engineering services for civil infrastructure projects.
- Maritieme Academie HarlingenminorEducational partnership for maritime training facilities including design for pond expansion, parking areas, and Free-Fall Lifeboat training facility.
- Gemeente HarlingencorePrimary municipal client for various civil infrastructure projects including bridge inspections, multifunctional floating pier, drijvende remming SAS, Spoorstraat reconstruction, and various other municipal projects.
- Gemeente WaadhoekecoreMunicipal client for bridge projects (Brug Reatille Wijnaldum, Betonbrug Alde Loop Achlum) and Het Vliet Franeker kade reinforcement projects.
- BGA GroepcoreParent company group that ADONIN belongs to. BGA Groep emphasizes high priority on safety, health, environment and related aspects, driving CO2-conscious operations across group companies.
- Heuvelman IbisminorConstruction contractor for multifunctional floating pier in Harlingen built to ADONIN's design and engineering specifications.
- Oosterhof Holman Beton- en WaterbouwminorConstruction partner for various projects including Het Vliet Franeker kade reinforcement, Maritieme Academie Harlingen expansion, and Brug Reatille Wijnaldum.
- Suriname (international project)minorInternational civil engineering advisory services for investigation of collapsed Carolinabridge over Parimariboriver in Suriname, providing expertise on cause analysis and possible solutions.
- NHL Stenden Hogeschool Civiele TechniekminorAcademic partnership for parametric design research including graduation project by Bjorn Dijkstra on parametric sustainable design of bicycle and pedestrian bridges.
Scale indicators3 records
Recent moves8 records
Expansion highlights5 records
Adonin competitors and assessment
Company assessmentBroad incumbents
- Royal HaskoningDHV: Large Dutch-headquartered global engineering firm with broad water and infrastructure capabilities; competes with ADONIN on larger municipal tenders but operates at fundamentally different scale.
- Sweco: European engineering consultancy with a strong Netherlands presence in water, infrastructure, and urban mobility; competes for the same public-sector engineering contracts as ADONIN.
- Arcadis: Dutch-origin global design and engineering consultancy with water, mobility, and infrastructure practices that overlap with ADONIN's service lines.
Direct peers
- Tauw: Dutch engineering and environmental consultancy with water and infrastructure expertise; overlaps with ADONIN's civil engineering service lines, particularly in municipal project delivery.
- Movares: Dutch engineering consultancy specializing in mobility, rail, bridges, and water infrastructure, competing for the same municipal infrastructure tenders as ADONIN.
- Witteveen+Bos: Dutch engineering consultancy with strong water and infrastructure practices, directly comparable to ADONIN's weg- en waterbouw focus, though substantially larger in scale and national in geographic footprint.
- Antea Group: Dutch engineering and infrastructure consultancy competing in the same municipal water and civil infrastructure space, though at substantially larger scale.
- Lievense: Dutch water and infrastructure engineering firm with civil and marine expertise, directly comparable in service mix to ADONIN's quay, lock, and bridge work.
- Iv-Groep: Dutch engineering consultancy covering infrastructure, maritime, and industrial projects; overlaps directly with ADONIN's civil and marine structural design work.
- ABT: Dutch independent engineering consultancy with established water, infrastructure, and structural design practices; competes in similar municipal and contractor-led tender environments.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks5 records
Key highlights6 records
Customer concentration
Adonin social profiles
Digital presenceAdonin financial estimates
Financial estimateRevenue estimate
Valuation estimate
Adonin leadership team
Management profileNumber of profiles
Profiles7 records
Adonin funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Adonin M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Adonin
What does Adonin do?
Adonin is a Dutch civil engineering consultancy specializing in road and waterway construction (weg- en waterbouw). The company delivers integrated advisory, design, inspection, and project management services for public infrastructure including bridges, quays, locks, and marine structures. Services span parametric 3D modeling, structural calculations, budget estimation, RAW specifications, and construction supervision for municipal governments and construction contractors.
Is Adonin a public or private company?
Adonin is a private company. It is classified as corporate owned and is currently operating.
When was Adonin founded?
Adonin was founded in 2004. It employs 11 to 50 people.
Where is Adonin based?
Adonin is headquartered in Harlingen, Netherlands, in the Europe region.
How does Adonin make money?
One revenue line is on record: civil Engineering Consulting Services.
Who are Adonin's main competitors?
Broad incumbents on record are Royal HaskoningDHV, Sweco and Arcadis. Direct peers are Tauw, Movares, Witteveen+Bos, Antea Group, Lievense, Iv-Groep and ABT.
Does Adonin have an API?
No public API is recorded for Adonin.