NautilusLog
NautilusLog provides a modular, cloud-based maritime operations platform that digitizes ship-to-shore workflows — including inspections, IHM hazardous-materials compliance, and documentation — for ship owners, fleet managers, surveyors, crew, and port authorities across 2,000+ vessels worldwide.
- Company typePrivate
- Founded2016
- HeadquartersHamburg, Germany
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What NautilusLog does
NautilusLog GmbH is a Hamburg-based maritime technology company that builds a modular, cloud-based platform for digitizing ship-to-shore operations. The platform serves ship owners, fleet managers, marine surveyors, vessel crew, and port or flag-state authorities by replacing paper, Excel, Word, and email coordination with structured digital workflows. Its core architectural feature is offline-capable operation on mobile devices — critical for environments such as the engine room, at anchor, or mid-ocean — with automatic data sync once connectivity is restored. The platform's modular structure shares data, users, and vessel entities across all modules, preventing data silos and enabling land-and-expand adoption from a starting use case into broader operational footprint.
The product surface comprises the core NautilusLog Platform (web app at app.nautiluslog.com plus iOS/Android apps), an Inspection Reporting module for standardized digital inspections with automated PDF and certificate generation, and an IHM Compliance module that covers the full hazardous-materials lifecycle from initial survey through maintenance (with automated PO categorization via ERP/API integration) to compliant reporting under HKC and EU SRR. Adjacent add-ons include DockShelf for centralized document storage (freemium: 15 free files, premium unlimited) and a KPI Dashboard introduced January 2026 for fleet-wide compliance visibility. The platform integrates with 20+ maritime and ERP systems including SAP, IBM Maximo, DNV Shipmanager, Amos, Bassnet, and Danaos.
NautilusLog generates revenue primarily through per-vessel SaaS subscriptions on a quote-based model, supplemented by freemium-to-premium conversion within DockShelf. The go-to-market motion is consultative and demo-led: prospects book a 15-minute discovery call followed by a tailored product walkthrough. NautilusLog reports adoption on 2,000+ vessels across 130+ shipping companies and 32+ countries, with a named enterprise customer (Bernhard Schulte Shipmanagement). The company completed a Series A in March 2023 with D-Arbor Capital (part of the Dettmer Group) and operates a wholly-owned Singapore subsidiary, NautilusLog Pte Ltd, established in 2023 to support Asia-Pacific expansion. CEO and co-founder Otto Klemke chairs the international working group behind ISO 4891, the international standard for smart applications in ships.
NautilusLog firmographics
Firmographics- Name
- NautilusLog
- Legal name
- NautilusLog GmbH
- Website
- https://nautiluslog.com
- Company type
- Private
- Founded year
- 2016
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- NautilusLog provides a modular, cloud-based maritime operations platform that digitizes ship-to-shore workflows — including inspections, IHM hazardous-materials compliance, and documentation — for ship owners, fleet managers, surveyors, crew, and port authorities across 2,000+ vessels worldwide.
- Ownership category
- akta.pro rank
NautilusLog industry classification
Industry- NAICS
- Support Activities for Water Transportation (4883)
- SIC
- Services-Prepackaged Software (7372)
- akta.pro primary industry
- Marine Sensors, Instrumentation & IoT (Condition Monitoring) (IMAJAJAI)
Keywords
Where NautilusLog is headquartered
LocationHeadquarters
- HQ city
- Hamburg
- HQ country
- Germany
- HQ region
- Europe
Offices3 records
Markets served
NautilusLog business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Marketing or Sales, Operations, Infrastructure
Revenue model
- IHM Tool Subscription (SaaS): NautilusLog operates on a subscription/SaaS model for its core maritime operations platform. Ship owners and managers subscribe on a per-vessel basis. The platform's modular structure allows customers to start with one module (e.g., inspection reporting or IHM compliance) and expand to additional modules over time, creating a land-and-expand revenue dynamic.
- Dockshelf Premium Upgrade: Dockshelf, the document management add-on, offers a freemium tier (up to 15 files free) with a premium upgrade option providing unlimited storage. This creates a conversion/up-sell revenue stream from free users to paying customers within the platform ecosystem.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Monthly | Dockshelf Freemium |
| Subscription | Monthly | Dockshelf Premium |
Go-to-market motion2 records
Distribution channels2 records
Marketing channels5 records
NautilusLog product offering
Product offeringCore offering
NautilusLog provides a modular, cloud-based maritime operations platform that digitizes ship-to-shore workflows including digital inspection reporting, IHM (Inventory of Hazardous Materials) compliance under the EU Ship Recycling Regulation, document and certificate management, and KPI dashboards. The offering is delivered through offline-capable native mobile apps for iOS and Android, a dedicated IHM web app, and a web-based fleet dashboard, and is sold primarily to ship owners, operators, managers, and marine surveyors on a per-vessel subscription basis.
Product overview
NautilusLog is a modular maritime operations platform built around a core platform plus interchangeable modules. The core NautilusLog Platform (web + mobile app) provides ship-to-shore coordination, real-time fleet visibility, and organizational management. Two primary modules plug into this platform: Inspection Reporting handles standardized inspections with automated report generation, and IHM Compliance manages hazardous materials documentation across the full vessel lifecycle (IHM Initial, Maintenance, and Reporting). A DockShelf add-on provides centralized document storage for IHM users, and a KPI Dashboard add-on (introduced January 2026) delivers real-time fleet compliance visibility. The platform is trusted on 2,000+ vessels across 32+ countries, serving 130+ shipping companies from single-vessel operators to large fleet managers.
Differentiator
Problem solved
Functional benefit
Products and services
- NautilusLog Platform Modular, cloud-based SaaS platform that digitizes ship-to-shore maritime workflows including inspection reporting, IHM compliance, document management, and KPIs; sold primarily to ship owners, operators, managers, and marine surveyors on a subscription basis.
- NautilusLog Mobile App Native iOS and Android app for vessel crew and surveyors to capture inspections, logbooks, and IHM data offline and synchronize to shore when connectivity is available.
- IHM by NautilusLog (Web App)
- IHM Mobile App Mobile application for capturing and updating IHM data on board vessels, complementing the IHM web application.
- DockShelf Document and certificate management offering for storing, organizing, and tracking expiry of shipboard and fleet documents within the NautilusLog Platform.
Quantifiable outcome
- 2,000+ vessel subscriptions and 38,000+ reports generated across 32+ countries
- +3 more outcomes
Companies that use NautilusLog
Customer profileNamed customers1 record
Segments5 records
Ideal customer profiles2 records
NautilusLog technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration22 records
Feature8 records
NautilusLog partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered flagship and core.
- Maritime and Port Authority of Singapore (MPA Singapore)flagshipNautilusLog was shortlisted by MPA Singapore for the Green and Digital Shipping Corridor (GDSC) initiative. This strategic engagement focuses on developing standards-based solutions for paperless port calls, positioning NautilusLog within Singapore's digital maritime ecosystem.
- ERP and PO System Integrations (Amos, SAP, DNV Shipmanager, IBM Maximo, and 15+ others)coreNautilusLog integrates with 20+ purchase-order and fleet-management systems including Amos, Bassnet, Cloud Fleet Manager, Danaos, DNV Shipmanager, IBM Maximo, SAP, Sertica, Star IPS, and others. These integrations enable automated HazMat categorization via API and allow IHM maintenance to fit existing team workflows without requiring a system switch.
Scale indicators6 records
Recent moves7 records
Expansion highlights6 records
NautilusLog competitors and assessment
Company assessmentDirect peers
- MESPAS: MESPAS provides IHM, planned maintenance and maritime compliance software to ship owners and managers, directly overlapping NautilusLog's IHM Maintenance and inspection reporting modules with a comparable fleet-management focus.
- BASS Software: BASS is a maritime fleet management software suite used by ship managers for planned maintenance, procurement, crew and reporting — overlapping NautilusLog's workflow automation and ERP integration footprint.
- Wilhelmsen IMOS: Wilhelmsen's IMOS platform handles maritime procurement, inventory and vessel operational workflows, closely analogous to NautilusLog's PO-driven IHM Maintenance and inspection workflows for ship managers.
- Marcura: Marcura's cloud platforms cover port disbursements, claims and operational workflows across the maritime value chain, overlapping NautilusLog's inspection, IHM and document management use cases.
- Veson Nautical IMOS Platform: Veson Nautical provides voyage, freight and maritime operations software widely used by ship owners and operators, comparable to NautilusLog's modular ship-to-shore operations platform.
- SpecTec (Star IPS): SpecTec's Star IPS suite covers planned maintenance, spare parts, condition monitoring and reporting for ship operators, matching NautilusLog's inspection reporting and integration-based IHM positioning.
Broad incumbents
- ABB Marine & Ports: ABB Marine & Ports sells broader vessel automation, digital and software solutions to ship owners, overlapping NautilusLog's digital operations and ship-to-shore data ambitions as part of a much larger portfolio.
- Wärtsilä SmartShip / Smart Voyage: Wärtsilä's Smart Ship Ecosystem spans vessel automation, route optimization and fleet operations software, making it a broad incumbent competing for the same ship-management digitalization budget NautilusLog targets.
- DNV ShipManager: DNV ShipManager is a broad fleet management platform from classification society DNV that already integrates with NautilusLog but also competes directly for ship-management software spend across compliance, maintenance and reporting.
- IBM Maximo (Maritime): IBM Maximo is an enterprise asset management suite used in maritime and offshore for maintenance, inspections and work orders; it is also a NautilusLog integration partner, making it both a channel and a broad incumbent competitor.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights7 records
Customer concentration
NautilusLog social profiles
Digital presenceNautilusLog compliance and trust
Trust signalCompliance1 record
NautilusLog financial estimates
Financial estimateRevenue estimate
Valuation estimate
NautilusLog leadership team
Management profileNumber of profiles
Profiles7 records
NautilusLog subsidiaries and ownership
Company hierarchySubsidiaries1 record
NautilusLog funding detail
Funding detailFunding overview
Funding rounds4 records
Investors4 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
NautilusLog 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 NautilusLog
What does NautilusLog do?
NautilusLog provides a modular, cloud-based maritime operations platform that digitizes ship-to-shore workflows including digital inspection reporting, IHM (Inventory of Hazardous Materials) compliance under the EU Ship Recycling Regulation, document and certificate management, and KPI dashboards. The offering is delivered through offline-capable native mobile apps for iOS and Android, a dedicated IHM web app, and a web-based fleet dashboard, and is sold primarily to ship owners, operators, managers, and marine surveyors on a per-vessel subscription basis.
Is NautilusLog a public or private company?
NautilusLog is a private company. It is classified as venture growth investor backed and is currently operating.
When was NautilusLog founded?
NautilusLog was founded in 2016. It employs 11 to 50 people.
Where is NautilusLog based?
NautilusLog is headquartered in Hamburg, Germany, in the Europe region.
How does NautilusLog make money?
Two revenue lines are on record. IHM Tool Subscription (SaaS) is the primary driver. The others are dockshelf Premium Upgrade.
Who are NautilusLog's main competitors?
Direct peers on record are MESPAS, BASS Software, Wilhelmsen IMOS, Marcura, Veson Nautical IMOS Platform and SpecTec (Star IPS). Broad incumbents are ABB Marine & Ports, Wärtsilä SmartShip / Smart Voyage, DNV ShipManager and IBM Maximo (Maritime).
Does NautilusLog have an API?
No public API is recorded for NautilusLog.
What industry is NautilusLog in?
Its primary akta.pro industry code is IMAJAJAI, Marine Sensors, Instrumentation & IoT (Condition Monitoring). Its NAICS code is 4883 and its SIC code is 7372.