Dubline
- Company typePrivate
- Founded2016
- HeadquartersAlphen Aan Den Rijn, Netherlands
- Headcount51–100
- GTM typeB2B
- OfferingSoftware
What Dubline does
Dubline Nederland B.V. is a Dutch telecommunications company founded in 2016 and headquartered in Alphen aan den Rijn, Netherlands, that provides a second business phone number on a user's existing smartphone via a mobile VoIP app. The platform works alongside the customer's existing mobile carrier without requiring an additional SIM card or hardware, with calls routed over 4G, 5G, and WiFi data networks at roughly 1 MB per minute. Core products include the Dubline iOS and Android apps, the My Dubline account management portal (now available on desktop and in-app), and add-on modules covering conference calling, call transfer, voicemail-to-email, WhatsApp Business integration, call recording, IVR menus, and team sharing of one number across up to five devices. Dubline holds an ACM telecom operator license (943399) and is privately held, bootstrapped, and founder-owned by Frank de Jong and a co-initiator.
The company serves primarily Dutch entrepreneurs, ZZP'ers (self-employed professionals), and small businesses who want to separate business and personal calls on a single device, with secondary use cases in e-commerce, healthcare/home-care teams, secondary schools, hospitality, and digital nomads needing a Dutch business presence. Its product-led, self-service go-to-market relies on App Store and Google Play Store distribution and a three-minute digital signup, with no field sales team; supplementary marketing runs through content/SEO, customer testimonials, industry events such as Webwinkel Vakdagen, and earned media including RTL Z television coverage. Revenue is generated via monthly subscriptions starting at €4.95 excluding VAT (with an unlimited calling bundle at €10/month), usage-based outbound call charges, prepaid call credit, and number porting fees, supported by a 14,000+ customer base primarily in the Netherlands with some Belgium-adjacent activity.
Dubline firmographics
Firmographics- Name
- Dubline
- Legal name
- Dubline Nederland B.V.
- Website
- https://dubline.nl
- Company type
- Private
- Founded year
- 2016
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Ownership category
- akta.pro rank
Dubline industry classification
Industry- Product category
- Mobile VoIP Business Telephony
- NAICS
- Wired and Wireless Telecommunications (except Satellite) (5171)
- SIC
- Telephone Communications (No Radiotelephone) (4813)
- akta.pro primary industry
- Voice Calling (VoIP) Apps (BPAMACAC)
- akta.pro secondary industries
- Cloud PBX & Hosted Telephony (HDAIAHAB), Numbering, DID, Porting & Carrier-of-Record Services (HDAIAHAK)
Keywords
Where Dubline is headquartered
LocationHeadquarters
- HQ city
- Alphen Aan Den Rijn
- HQ country
- Netherlands
- HQ region
- Europe
Offices1 record
Markets served
Dubline business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Operations, Personnel, Marketing or Sales, Others
Revenue model
- Monthly subscription fees: Recurring monthly subscription charges for access to the Dubline VoIP service. Base subscription starts at €4.95/month excl. BTW. Additional options include unlimited calling bundle for €10/month excl. BTW. Monthly billing with monthly cancellation allowed.
- Usage-based calling charges: Variable charges for outbound calls based on usage. Call costs are calculated per minute according to the tariff schedule. Incoming calls are free.
- Number porting services: Fees for porting existing fixed or 06 phone numbers to the Dubline service, including administrative costs for number transfer process.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | Basic subscription - starting price |
| Subscription | Monthly | Unlimited calling bundle |
| Subscription | Monthly | Digital nomad / frequent traveler plan |
| Usage-based | Pay-as-you-go | Prepaid option |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels7 records
Dubline product offering
Product offeringCore offering
Dubline provides a mobile VoIP-based business telephony service delivered through a smartphone app, offering customers a second phone number (06, 085, or regional Dutch area code) on their existing mobile device without requiring an additional SIM card or hardware. The service includes inbound and outbound calling, voicemail with audio-to-email delivery, conference calling, call transfer, WhatsApp Business integration, team sharing across up to five devices, call recording, IVR menus, and a web-based My Dubline portal for self-service configuration and usage management.
Product overview
Dubline is a VoIP-powered business telecommunications platform that provides a second phone number on the user's existing smartphone through a downloadable app, with no extra SIM card required. The core platform consists of the Dubline App (available for iOS and Android) and the My Dubline management portal (available on desktop and in-app). The product portfolio also includes several add-on modules: Conference Call & Call Transfer, Voicemail with Audio-to-Email, WhatsApp Business Integration, Unlimited Calling Bundle, 1 Number on Multiple Phones (team sharing), Welcome Message & IVR Menu, and Call Recording. Subscriptions start at €4.95 excl. VAT per month for a single number. The platform is targeted at entrepreneurs, freelancers, small businesses, and teams who need to separate business and personal calls on a single device.
Differentiator
Problem solved
Functional benefit
Products and services
- Dubline Mobile VoIP App A VoIP-powered mobile calling application that provides a second business phone number (Dutch 06, 085, or regional code) on the user's existing smartphone without requiring an extra SIM card. Calls are made and received over 4G/5G/WiFi using VoIP technology alongside any existing mobile carrier, with custom ringtones distinguishing business from private calls, call transfer and conference calling, voicemail with audio-to-email delivery, team sharing across up to five devices, call recording, and a My Dubline self-service management portal. Targeted at Dutch entrepreneurs, ZZP'ers, small businesses, and teams who need to separate business and personal calls on a single device.
- Phone Number Porting Service Administrative service to port existing fixed-line or mobile (06) phone numbers into the Dubline VoIP platform, allowing customers to retain their current business number when switching to Dubline. Includes handling of the number transfer process with applicable administrative fees charged separately from the monthly subscription.
Quantifiable outcome
- 25% of consumers switch to competitors when a business is unreachable or poorly reachable
- +2 more outcomes
Companies that use Dubline
Customer profileNamed customers14 records
Segments6 records
Ideal customer profiles3 records
Dubline technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration3 records
Feature8 records
Dubline partnerships and signals
Strategic signalScale indicators4 records
Recent moves6 records
Expansion highlights6 records
Dubline competitors and assessment
Company assessmentDirect peers
- Talk360: International calling app that gives African and diaspora users a local-appearing number to call home affordably. Comparable mobile-VoIP, self-service, multi-region number model, focused on cross-border SMBs and immigrants.
- Hushed: Canadian second-phone-number app for iOS/Android that provides disposable and permanent numbers for privacy and business use. Closest product analog to Dubline across both consumer and SMB use cases, with overlapping mobile VoIP stack and self-service model.
- 2ndLine: Second-number mobile app offering a real US/Canada phone number on a single device via VoIP. Direct overlap with Dubline's core use case of separating personal and business calls on one handset.
- Sonetel: Sweden-based cloud telephony provider for SMBs offering virtual numbers, IVR, and call routing. Closest European SMB cloud-PBX operator to Dubline's hosted telephony stack and self-service onboarding.
- Burner: Disposable second-number mobile app targeting privacy, dating, and small-business use cases. Competes with Dubline for solopreneurs and prosumer customers seeking a non-primary number on one phone.
- Sideline: Mobile app providing a second phone number for business communications on existing smartphone, with team sharing and texting. Directly competes in the same 'business number on one phone' category as Dubline.
Broad incumbents
- Viber: Global VoIP/messaging app offering in-app calling and Viber Out for international calls. Represents the OTT threat layer to Dubline's VoIP business model and a possible 'good enough' substitute for some customer segments.
- Aircall: Cloud-based phone system purpose-built for sales and customer-service teams with CRM integrations. Broad incumbent in the cloud-PBX space Dubline addresses, especially relevant as Dubline expands into team/multiseat use cases.
- Google Voice: Google's VoIP service providing a separate number with call forwarding, voicemail, and integration with Workspace. The most consequential big-tech competitor if Google extends Voice deeper into the European SMB market.
Emerging players
- Ringover: Cloud-based business phone system for SMBs with mobile/softphone apps, multi-number management and team features. Overlaps with Dubline's team-sharing and call-routing capabilities but targets larger SMBs.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
Dubline social profiles
Digital presenceDubline financial estimates
Financial estimateRevenue estimate
Valuation estimate
Dubline leadership team
Management profileNumber of profiles
Profiles1 record
Dubline funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Dubline 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 Dubline
What does Dubline do?
Dubline provides a mobile VoIP-based business telephony service delivered through a smartphone app, offering customers a second phone number (06, 085, or regional Dutch area code) on their existing mobile device without requiring an additional SIM card or hardware. The service includes inbound and outbound calling, voicemail with audio-to-email delivery, conference calling, call transfer, WhatsApp Business integration, team sharing across up to five devices, call recording, IVR menus, and a web-based My Dubline portal for self-service configuration and usage management.
Is Dubline a public or private company?
Dubline is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Dubline founded?
Dubline was founded in 2016. It employs 51 to 100 people.
Where is Dubline based?
Dubline is headquartered in Alphen Aan Den Rijn, Netherlands, in the Europe region.
How does Dubline make money?
Three revenue lines are on record. Monthly subscription fees are the primary driver. The others are usage-based calling charges and number porting services.
Who are Dubline's main competitors?
Direct peers on record are Talk360, Hushed, 2ndLine, Sonetel, Burner and Sideline. Broad incumbents are Viber, Aircall and Google Voice. Ringover is listed as an emerging player.
Does Dubline have an API?
No public API is recorded for Dubline.
What industry is Dubline in?
Dubline's product category is Mobile VoIP Business Telephony. Its primary akta.pro industry code is BPAMACAC, Voice Calling (VoIP) Apps, with a secondary code of HDAIAHAB, Cloud PBX & Hosted Telephony. Its NAICS code is 5171 and its SIC code is 4813.