toplink
toplink GmbH is a privately held German cloud communications provider, headquartered in Darmstadt, that delivers vPBX cloud phone systems, SIP Trunk services, Microsoft Teams telephony integration, and the proprietary Toplink Office Suite (TOS) unified communications platform from ISO 27001-certified German data centers to roughly 5,000 German enterprise and mid-market customers.
- Company typePrivate
- Founded1995
- HeadquartersDarmstadt, Germany
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What toplink does
toplink GmbH is a privately held German cloud communications provider headquartered in Darmstadt, founded in 1995 and operating as a registered telecommunications company under §6 TKG supervised by the Bundesnetzagentur. The company is led by Managing Director Jens Weller, has 11–50 employees, and claims a customer base of 5,000+ German companies. Its core products are vPBX (a cloud-based virtual phone system offering 160+ telephony functions accessible via web client, softphone, and mobile apps), a family of SIP Trunk packages (SIP Business, SIP Business International, SIP Skype for Business, SIP Business for Teams) providing IP-based encrypted voice connectivity, and the Toplink Office Suite (TOS) — a proprietary integrated platform combining file management, groupware, collaborative document editing, voice, video, and chat. All cloud services are operated in ISO 27001:2022-certified German data centers, with the SIP Business for Teams product connecting Microsoft Teams to the PSTN for external calling and the company also reselling Microsoft 365 licenses.
The company generates revenue predominantly through recurring monthly subscriptions for vPBX, SIP Trunk, TOS, and Microsoft Teams integration services, supplemented by professional services from its Beratung & Workshops consulting practice and Internet Access connectivity. Pricing is quote-based with no publicly disclosed tiers, and the go-to-market motion is sales-led via a direct sales team, inside sales, channel/reseller partnerships (including Snom Registered Partner status), and content marketing targeted at the German DACH enterprise market. Notable enterprise customers include Eurowings, EY (Ernst & Young), American Express, Credit Plus, Arvato, Viessmann, CECONOMY, Allgeier, Leipziger Stadtwerke, and SV Darmstadt 98 (a regional sports business partnership). Industry association memberships include eco, EuroCloud Deutschland, and RIPE NCC. The company has two sub-brands — toplink Xpress and myTelco — and has recorded only one disclosed institutional capital event (a 2007 round associated with COI Partners). No parent company, M&A activity, or recent funding rounds are evidenced in the source material.
toplink firmographics
Firmographics- Name
- toplink
- Legal name
- toplink GmbH
- Website
- https://toplink.de
- Company type
- Private
- Founded year
- 1995
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- toplink GmbH is a privately held German cloud communications provider, headquartered in Darmstadt, that delivers vPBX cloud phone systems, SIP Trunk services, Microsoft Teams telephony integration, and the proprietary Toplink Office Suite (TOS) unified communications platform from ISO 27001-certified German data centers to roughly 5,000 German enterprise and mid-market customers.
- Ownership category
- akta.pro rank
toplink industry classification
Industry- Product category
- Cloud Communications / Unified Communications as a Service (UCaaS)
- NAICS
- Wired Telecommunications Carriers (517111)
- SIC
- Services-Telephone Interconnect Systems (7385)
- akta.pro primary industry
- Cloud PBX & Hosted Telephony (HDAIAHAB)
- akta.pro secondary industry
- SIP Trunking & Voice Termination (HDAIAHAC)
Keywords
Where toplink is headquartered
LocationHeadquarters
- HQ city
- Darmstadt
- HQ country
- Germany
- HQ region
- Europe
Offices1 record
Markets served
toplink business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Infrastructure, Operations, Marketing or Sales
Revenue model
- Cloud Phone System (vPBX) Subscriptions: Monthly or annual subscription-based revenue from cloud phone system services. Customers pay for virtual PBX functionality including extensions, call features, and administrative interfaces.
- SIP Trunk Services: Recurring revenue from SIP Trunk packages (SIP Business, SIP Business International, SIP Skype for Business, SIP Business for Teams) providing IP-based phone connections.
- Microsoft 365 & Teams Integration Services: Revenue from Microsoft Teams SIP trunk integration, Teams Phone System add-on licenses, and related configuration services.
- Consulting & Workshops: Professional services revenue from consultation and workshop offerings for digital workplace implementation and planning.
- Toplink Office Suite (TOS): Subscription revenue for the integrated office suite combining file management, groupware, collaborative document editing, voice, video, and chat.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | SIP Business - Basic SIP Trunk package for standard business telephony |
| Subscription | Monthly | SIP Business International - Extended SIP Trunk with international reach and Röchelruf emergency feature |
| Subscription | Monthly | SIP Business for Teams - Microsoft Teams SIP Trunk integration |
| Subscription | Monthly | vPBX Cloud Phone System - Virtual phone system with 160+ features |
Go-to-market motion2 records
Distribution channels4 records
Marketing channels6 records
toplink product offering
Product offeringCore offering
toplink provides cloud-based business communications and telephony for German enterprises, centered on the vPBX cloud phone system (160+ telephony features), a family of SIP Trunk packages (SIP Business, SIP Business International, SIP Business for Teams, SIP Skype for Business), and the Toplink Office Suite (TOS) unified communications platform. All services run on ISO 27001-certified infrastructure hosted in German data centers, with Microsoft Teams PSTN integration, encrypted VoIP, and emergency calling (Röchelruf) as standard capabilities.
Product overview
toplink is a specialist provider of cloud-based All-in-One Business Communications and telephony solutions. The core portfolio consists of the Toplink Office Suite (TOS) as the central unified communications platform, the vPBX cloud phone system as the primary telephony product, and a family of SIP Trunk packages providing IP-based telephone connectivity. These core offerings are complemented by Internet Access as a connectivity prerequisite, Microsoft 365 & Teams integration as an add-on connecting Teams to the PSTN, and consulting and workshop services. All cloud solutions are operated in ISO 27001-certified German data centers, and the company also offers number portability, fax-to-mail, and emergency calling features (Röchelruf) as standard capabilities across its product range.
Differentiator
Problem solved
Functional benefit
Brands
- toplink Xpress: Sub-brand operating under toplink with dedicated website toplink-xpress.de
- myTelco
- Toplink Office Suite (TOS)
- vPBX
Products and services
- Toplink Office Suite (TOS)
Quantifiable outcome
- Over 160 telephony functions available in vPBX cloud phone system
- +1 more outcomes
Companies that use toplink
Customer profileNamed customers10 records
Segments4 records
Ideal customer profiles4 records
toplink technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration3 records
Feature6 records
toplink partnerships and signals
Strategic signalPartnerships
Five partnerships are on record, tiered minor and core.
- SV Darmstadt 98minortoplink is an official Business Partner of SV Darmstadt 98, a German football club. This sponsorship/business partnership provides brand visibility and marketing association with the sports club.
- SnomcoreSnom is a manufacturer of IP phones and toplink is a Snom Registered Partner. This technology partnership ensures interoperability and integration between Snom hardware devices and toplink's SIP trunk and cloud phone services.
- RIPE NCCminortoplink is a member of RIPE NCC, the Regional Internet Registry for Europe, Middle East, and parts of Central Asia. This membership provides IP address resources and industry standing.
- eco - Verband der Internetwirtschaftminortoplink is a member of eco, the German Internet Industry Association. Membership provides industry networking, standards participation, and credibility in the German internet ecosystem.
- EuroCloud Deutschlandminortoplink is a member of EuroCloud Deutschland, part of the EuroCloud Europe network. This membership demonstrates commitment to cloud industry standards and provides industry association.
Scale indicators2 records
Recent moves6 records
Expansion highlights5 records
toplink competitors and assessment
Company assessmentDirect peers
- NFON AG: Munich-based European UCaaS and cloud PBX provider offering virtual telephony, SIP trunking, and contact center solutions to SMB and mid-market across DACH. Closest direct peer to toplink given overlapping product set (vPBX, SIP), same regulatory environment, and similar enterprise target customers in Germany.
- Placetel (by QSC AG): Cologne-based cloud telephone system and SIP trunk provider serving German SMBs and mid-market. Directly comparable to toplink on virtual PBX, SIP trunk, and Microsoft Teams PSTN integration products aimed at German businesses migrating from ISDN.
- sipgate: Düsseldorf-based VoIP and SIP trunk provider with strong presence among German SMBs and freelancers. Competitor in the SIP trunk and VoIP segment serving overlapping German enterprise and SMB customers.
- STARFACE GmbH: Karlsruhe-based provider of cloud and hybrid PBX solutions targeting German SMEs. Competes with toplink on virtual PBX functionality, SIP trunking, and Microsoft Teams integration in the German mid-market.
- 3CX: Global software-based PBX provider offering cloud and on-premise telephony with SIP trunk integration. Competes with toplink in the IP-PBX and SIP trunk market, including among German channel partners and SMB customers.
Broad incumbents
- Deutsche Telekom (T-Systems / MagentaBusiness): Germany's incumbent telecommunications carrier offering cloud telephony, SIP trunking, and Microsoft Teams integrations as part of a much broader portfolio. Major competitor in the German enterprise telephony market where toplink competes for PSTN and vPBX deals.
- RingCentral: Global UCaaS leader offering cloud PBX, SIP trunking, and Microsoft Teams integrations. Increasingly competitive in Germany through channel partners and direct sales, overlapping with toplink on virtual PBX and Teams PSTN scenarios.
- 8x8: Global cloud communications provider offering UCaaS, CCaaS, and SIP trunking with Teams integration. Active in the DACH region and competes with toplink for enterprise cloud telephony and Teams Phone System customers.
Emerging players
- Zoom (Zoom Phone): Global video-first communications platform that has expanded into cloud telephony (Zoom Phone) including in DACH. Represents an emerging competitive threat to toplink in the integrated UC/voice market among German enterprises and SMBs.
Regional players
- 1&1 Versatel (United Internet): German B2B telecom carrier and SIP trunk provider within the United Internet group, primarily serving the German market. Competes with toplink in the wholesale SIP and business connectivity layer feeding into vPBX and PBX deployments.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
toplink social profiles
Digital presencetoplink compliance and trust
Trust signalCompliance1 record
toplink financial estimates
Financial estimateRevenue estimate
Valuation estimate
toplink leadership team
Management profileNumber of profiles
Profiles1 record
toplink subsidiaries and ownership
Company hierarchySubsidiaries2 records
toplink funding detail
Funding detailFunding overview
Funding rounds1 record
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
toplink 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 toplink
What does toplink do?
toplink provides cloud-based business communications and telephony for German enterprises, centered on the vPBX cloud phone system (160+ telephony features), a family of SIP Trunk packages (SIP Business, SIP Business International, SIP Business for Teams, SIP Skype for Business), and the Toplink Office Suite (TOS) unified communications platform. All services run on ISO 27001-certified infrastructure hosted in German data centers, with Microsoft Teams PSTN integration, encrypted VoIP, and emergency calling (Röchelruf) as standard capabilities.
Is toplink a public or private company?
toplink is a private company. It is classified as management employee owned and is currently operating.
When was toplink founded?
toplink was founded in 1995. It employs 11 to 50 people.
Where is toplink based?
toplink is headquartered in Darmstadt, Germany, in the Europe region.
How does toplink make money?
Five revenue lines are on record. Cloud Phone System (vPBX) Subscriptions are the primary driver. The others are SIP Trunk Services, microsoft 365 & Teams Integration Services, consulting & Workshops and toplink Office Suite (TOS).
Who are toplink's main competitors?
Direct peers on record are NFON AG, Placetel (by QSC AG), sipgate, STARFACE GmbH and 3CX. Broad incumbents are Deutsche Telekom (T-Systems / MagentaBusiness), RingCentral and 8x8. Zoom (Zoom Phone) is listed as an emerging player. 1&1 Versatel (United Internet) is listed as a regional player.
Does toplink have an API?
No public API is recorded for toplink.
What industry is toplink in?
toplink's product category is Cloud Communications / Unified Communications as a Service (UCaaS). Its primary akta.pro industry code is HDAIAHAB, Cloud PBX & Hosted Telephony, with a secondary code of HDAIAHAC, SIP Trunking & Voice Termination. Its NAICS code is 517111 and its SIC code is 7385.