GreenLine Hotels
- Company typePrivate
- Founded2001
- HeadquartersBerlin, Germany
- Headcount11–50
- GTM typeB2B and B2C
- OfferingDigital Commerce or Content
GreenLine Hotels firmographics
Firmographics- Name
- GreenLine Hotels
- Legal name
- GreenSign Service GmbH
- Website
- https://greenline-hotels.com
- Company type
- Private
- Founded year
- 2001
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Ownership category
- akta.pro rank
GreenLine Hotels industry classification
Industry- Product category
- Sustainable Hotel Directory
- NAICS
- Travel Agencies (561510)
- akta.pro primary industry
- Sustainable Travel Booking & Distribution (Green Filters, Eco-Labels, Verified Listings) (THAAANAM)
Keywords
Where GreenLine Hotels is headquartered
LocationHeadquarters
- HQ city
- Berlin
- HQ country
- Germany
- HQ region
- Europe
Offices1 record
Markets served
GreenLine Hotels business model
Business model- GTM type
- B2B and B2C
- Offering type
- Digital Commerce or Content
- Cost components
- Technology or R&D, Personnel, Marketing or Sales, Operations, Infrastructure
Revenue model
- Hotel Subscription - Premium Package: Annual subscription model for hotels. Premium package at €159/year + 19% VAT provides comprehensive listing with 11 images, 3000 characters description, contact details, social media links, CRS/booking links, and priority sorting. Auto-renews annually unless cancelled with 6-month notice period.
- Hotel Subscription - Free Package: Free tier for hotels with basic listing (1 image, 1000 characters, no direct contact info or booking links). Hotels can upgrade to Premium at any time.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Free | GreenLine Free - Basic hotel listing with limited features |
| Subscription | Annual | GreenLine Premium - Full-featured hotel listing with maximum visibility |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels6 records
GreenLine Hotels product offering
Product offeringCore offering
GreenLine Hotels operates a curated, two-sided web-based directory and discovery platform that lists sustainability-certified hotels across Europe and connects them with eco-conscious travelers. Hotels enroll on either a free tier or a paid Premium annual subscription (€159/year + 19% VAT) to gain visibility, while travelers browse and filter listings and are redirected to hotel websites or booking systems for direct reservations. GreenLine does not process bookings and earns no commission, monetizing purely through hotel subscription fees.
Product overview
GreenLine Hotels operates as a curated directory and discovery platform for sustainably certified hotels across Europe. The platform consists of a core hotel listings product where hotels can register using either the free tier (basic profile with limited features) or the premium paid subscription at €159/year (comprehensive profile with booking links and priority visibility). The ecosystem also includes a geographic hotel map search tool and a blog content channel covering sustainable travel topics. The platform exclusively features hotels holding third-party sustainability certifications from eight accepted standards (GreenSign, EMAS, GreenGlobe, Green Key, Travelife, EU Ecolabel, EarthCheck, Bioscore), all aligned with UN Sustainable Development Goals and Global Sustainable Tourism Council criteria. GreenLine acts as an intermediary directing travelers to hotel websites rather than processing bookings directly, operating on a transparent package-based model without commissions.
Differentiator
Problem solved
Functional benefit
Brands
- GreenLine Premium: A premium subscription package offering hotels enhanced visibility features including 11 images, 3000-character hotel descriptions, direct booking links, social media integration, and priority sorting in hotel lists.
Products and services
- GreenLine Hotels Directory Platform Curated web directory of sustainability-certified hotels across Europe, with map-based search and filtering by certification type, country, region, hotel chain, and star rating. Targets eco-conscious travelers and verified certified hotels.
- GreenLine FREE Listing Package Complimentary listing tier for hotels providing basic visibility on the platform: hotel name, country/city, certification name/logo, location category, 1 image, and a 1,000-character description with random sorting in hotel lists. Targets certified hotels seeking baseline exposure.
- GreenLine PREMIUM Listing Package Annual subscription at €159 per year (excluding 19% VAT) providing comprehensive hotel profile features: street address, phone, email, up to 11 images, 3,000-character description, website link, CRS/booking link, social media links, and top sorting priority in hotel lists. Auto-renews annually and requires 6-month cancellation notice. Targets certified hotels seeking maximum visibility.
- Hotels Map Search Interactive map-based search interface allowing travelers to discover and explore GreenLine-certified hotels by geographic location across Europe. Targets eco-conscious travelers planning trips.
Quantifiable outcome
- Supports UN Sustainable Development Goals (SDGs) framework and Global Sustainable Tourism Council (GSTC) standards compliance
Companies that use GreenLine Hotels
Customer profileNamed customers5 records
Segments2 records
Ideal customer profiles2 records
GreenLine Hotels technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature2 records
GreenLine Hotels partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- GreenSign Service GmbHcoreGreenSign Service GmbH is the operator of GreenLine Hotels. GreenSign is itself a German-based international sustainability certification for hospitality, having certified over 900 hotel properties since 2015. The company also develops the GreenLine platform.
Scale indicators3 records
Recent moves3 records
Expansion highlights5 records
GreenLine Hotels competitors and assessment
Company assessmentDirect peers
- Green Pearls® Unique Places to Stay: Green Pearls is a curated collection of sustainable hotels and accommodations across Europe, comparable to GreenLine's directory/discovery model for certified green stays; both act as intermediaries directing travelers to hotels' own booking systems.
- Mr & Mrs Smith: Mr & Mrs Smith is a curated collection of boutique and luxury hotels; comparable to GreenLine in its curated, curated-not-comprehensive approach to hotel selection and its intermediary-to-direct-booking model, though without an explicit sustainability certification gate.
- Bio Hotels: Bio Hotels is a long-standing Europe-based association of certified organic and sustainable hotels (similar to GreenLine's curated inventory model) that curates member hotels based on strict sustainability criteria and markets them to eco-conscious travelers.
- Ecobnb: Ecobnb is a curated marketplace for eco-friendly accommodations across Europe, similar to GreenLine's two-sided model connecting sustainability-verified hotels with eco-conscious travelers; both feature eco-certified stays and act as discovery/intermediary platforms rather than direct booking sites.
- Responsible Travel: Responsible Travel is a UK-based travel agency/marketplace specializing in holidays from sustainable tourism businesses; similar two-sided B2C/B2B model connecting verified responsible tourism operators with eco-conscious travelers, with comparable intermediary (rather than OTA) business model.
Broad incumbents
- Tripadvisor (GreenLeaders): Tripadvisor is a major travel review and booking platform that has historically operated its GreenLeaders program labeling eco-friendly hotels; comparable as a broad incumbent offering sustainability signals as part of a much larger platform rather than a focused green directory.
- HRS (Hotel Reservation Service): HRS is a Germany-headquartered corporate hotel booking platform with strong DACH market presence; comparable as an intermediary channel for European hotels and overlap with GreenLine's target regions, though primarily B2B corporate travel rather than eco-tourism.
- Booking.com (Travel Sustainable program): Booking.com is a global OTA that has launched its Travel Sustainable programme to label eco-friendly stays; it competes with GreenLine for sustainability-minded travelers but as a much broader incumbent where sustainability is one of many filters rather than the core proposition.
Regional players
- Hostelworld: Hostelworld is a hostel-focused booking platform strong in Europe with growing emphasis on sustainability disclosures for properties; partial overlap with GreenLine in serving European budget/economy travelers and a comparable discovery-and-redirect role, though not focused on certification.
Emerging players
- Fairbnb.coop: Fairbnb is a community-driven accommodation platform that emphasizes sustainability, fair host compensation, and ethical tourism — overlapping with GreenLine's ethical-tourism angle but operating as a direct-booking marketplace rather than a curated directory of certified hotels.
Market position
Weaknesses4 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
GreenLine Hotels social profiles
Digital presenceGreenLine Hotels financial estimates
Financial estimateRevenue estimate
Valuation estimate
GreenLine Hotels leadership team
Management profileNumber of profiles
GreenLine Hotels funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
GreenLine Hotels 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 GreenLine Hotels
What does GreenLine Hotels do?
GreenLine Hotels operates a curated, two-sided web-based directory and discovery platform that lists sustainability-certified hotels across Europe and connects them with eco-conscious travelers. Hotels enroll on either a free tier or a paid Premium annual subscription (€159/year + 19% VAT) to gain visibility, while travelers browse and filter listings and are redirected to hotel websites or booking systems for direct reservations. GreenLine does not process bookings and earns no commission, monetizing purely through hotel subscription fees.
Is GreenLine Hotels a public or private company?
GreenLine Hotels is a private company. It is classified as corporate owned and is currently operating.
When was GreenLine Hotels founded?
GreenLine Hotels was founded in 2001. It employs 11 to 50 people.
Where is GreenLine Hotels based?
GreenLine Hotels is headquartered in Berlin, Germany, in the Europe region.
How does GreenLine Hotels make money?
Two revenue lines are on record. Hotel Subscription - Premium Package is the primary driver. The others are hotel Subscription - Free Package.
Who are GreenLine Hotels's main competitors?
Direct peers on record are Green Pearls® Unique Places to Stay, Mr & Mrs Smith, Bio Hotels, Ecobnb and Responsible Travel. Broad incumbents are Tripadvisor (GreenLeaders), HRS (Hotel Reservation Service) and Booking.com (Travel Sustainable program). Hostelworld is listed as a regional player. Fairbnb.coop is listed as an emerging player.
Does GreenLine Hotels have an API?
No public API is recorded for GreenLine Hotels.
What industry is GreenLine Hotels in?
GreenLine Hotels's product category is Sustainable Hotel Directory. Its primary akta.pro industry code is THAAANAM, Sustainable Travel Booking & Distribution (Green Filters, Eco-Labels, Verified Listings). Its NAICS code is 561510.