K1 Internet Services

What K1 Internet Services does

K1 Internet Services GmbH is a privately-held German managed hosting provider headquartered in Düsseldorf, operating since 1989 as a partner entity to IT consulting firm HK EDV Beratung GmbH. The company delivers internet services, VoIP, and cloud/managed solutions to small and medium-sized businesses as well as a handful of named mid-market accounts (Bitburger Braugruppe, Bank11, Hotel Career, Snow24) and association customers requiring clustering and high-availability infrastructure.

Its product portfolio is organized into three pillars operated from company-owned data centers in Düsseldorf (Reisholz and Rath). Web hosting comprises K1Cloud (shared managed hosting with daily backups and SSL), K1Root (dedicated/VMware-based servers with VMotion and redundant Fibre Channel SAN), K1Domains (300+ TLDs), and K1Secure (DV/OV/EV/SAN SSL certificates). The mail pillar includes K1Mail (proprietary collaboration server with ActiveSync/CalDAV/CardDAV), K1Max (hosted Microsoft Exchange), K1Shield (Symantec Brightmail-powered spam and virus filtering at 99% detection), K1Gateway (mail infrastructure and backup MX), and K1Archiv (GoDB/GDPdU-compliant email archiving with per-customer encrypted instances). The services pillar layers K1Managed, K1Watch (Zabbix monitoring), K1Update, K1Move (migration of 47,000+ servers to date), and K1Phone (3CX-based hosted VoIP).

The business model is subscription-recurring across virtually all lines (monthly for managed services, annual for SSL and domains), augmented by one-time migration and professional service fees. Go-to-market is sales-led with a personal-touch, no-call-center approach, distributed through the company website (self-serve for basic services) and direct consulting for complex deployments, with HK EDV Beratung acting as the principal referral channel. K1 maintains 6 permanent employees and operates without external funding, public listing, or disclosed M&A activity.

Name

K1 Internet Services

Legal name

K1 Internet Services GmbH

Website

https://k1net.de

Company type

Private

Founded year

1989

Operating status

Operating

Headcount range

11–50 employees

Short description

K1 Internet Services GmbH is a privately-held Düsseldorf-based managed hosting and internet services provider serving German SMBs and select mid-market accounts with web hosting, email, VoIP, monitoring, and compliance archiving delivered from its own data centers.

Ownership category

akta.pro rank

Headquarters

HQ city

Düsseldorf

HQ country

Germany

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Infrastructure, Technology or R&D, Operations, Supply Chain

Revenue model

1. Managed Web Hosting: Recurring subscription revenue from managed web hosting services including K1Cloud (shared), K1Root (dedicated servers), domain management, and SSL certificates.
2. Email and Collaboration Services: Recurring subscription fees for hosted email services including K1Mail, K1Max (Hosted Exchange), K1Shield (SPAM filtering), K1Gateway (mail infrastructure), and K1Archiv (email archiving).
3. Managed Services: Ongoing managed services including K1Managed (server maintenance), K1Watch (monitoring), K1Update (security updates), and K1Phone (VoIP telephony) with monthly recurring fees.
4. Migration and Professional Services: One-time fees for K1Move migration services for websites, domains, mail servers, and complete infrastructure relocations. Custom project implementation and consulting.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

K1 Internet Services GmbH provides managed web hosting (shared K1Cloud and dedicated K1Root), hosted email and collaboration (K1Mail, hosted Microsoft Exchange K1Max), SPAM/virus filtering (K1Shield), email archiving (K1Archiv), domain registration (K1Domains), SSL certificates (K1Secure), and VoIP telephony (K1Phone), all operated from proprietary data centers in Düsseldorf. Supporting managed services include Zabbix-based monitoring (K1Watch), server administration (K1Managed), security patching (K1Update), and infrastructure migration (K1Move) targeted at German SMBs and enterprises requiring legally compliant, personally supported hosting.

Product overview

K1 Internet Services GmbH offers a comprehensive managed hosting portfolio centered on web hosting and email services. The web hosting stack includes K1Cloud (shared hosting), K1Root (dedicated/VPS servers), K1Domains (domain registration), and K1Secure (SSL certificates). The email portfolio features K1Mail (collaboration server as Exchange alternative), K1Max (hosted Microsoft Exchange), K1Shield (Symantec-powered spam/virus filtering), K1Gateway (mail infrastructure), and K1Archiv (legally compliant email archiving). Supporting services include K1Watch (Zabbix-based monitoring), K1Managed (server administration), K1Update (security patching), K1Move (infrastructure migration), and K1Phone (VoIP PBX via 3CX). All services are operated from company-owned data centers in Düsseldorf, Germany.

Differentiator

Problem solved

Functional benefit

Brands

• K1Cloud: Cloud hosting platform for web projects with enterprise-grade features, daily backups, and phone support.
• K1Root
• K1Domains
• K1Secure
• K1Mail
• K1Max
• K1Shield
• K1Gateway
• K1Archiv
• K1Managed
• K1Watch
• K1Update
• K1Move
• K1Phone

Products and services

• K1Cloud

Quantifiable outcome

• 99% SPAM detection rate with minimal false positives using Symantec Brightmail
• +2 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

One partnership is on record.

• HK EDV Beratung GmbHcoreStrategic or Co-development PartnerStrategic partner company since 1989 with 20 permanent employees specializing in IT consulting and services. HK EDV Beratung provides technical resources, consulting capabilities, and customer referrals to K1 Internet Services. For larger projects, HK EDV coordinates conception, coordination, and implementation including 24/7 support. The partnership enables technically sophisticated solutions including clustering and high availability implementations.

Scale indicators4 records

Recent moves5 records

Expansion highlights5 records

Emerging players

• Hornetsecurity: German-headquartered email security specialist offering managed SPAM/virus filtering, archiving, and compliance products. Directly comparable to K1Shield (SPAM/virus filtering) and K1Archiv (email archiving) with much broader scale and feature velocity.
• MailStore Software: German vendor of email archiving solutions with strong legal-compliance positioning (GoBD), serving SMBs and mid-market. Direct overlap with K1Archiv on email archiving compliance use cases for German customers.

Direct peers

• Mittwald CM Service: German managed hosting provider focused on SMBs and digital agencies with shared and dedicated hosting, email, domain, and managed services. Closely comparable in target customer (German SMB), product structure (web hosting + email + managed services), and service-led go-to-market.
• PlusServer (Plus.line AG): German managed hosting and data center operator offering dedicated servers, managed cloud, and colocation for SMBs and mid-market. K1's K1Root and K1Cloud map directly to PlusServer's core offerings, with similar German data center footprint and managed-services emphasis.
• netcup (netcup GmbH): German hosting provider (part of Hetzner group) offering VPS, dedicated servers, shared hosting, and domains to SMBs and developers. Comparable to K1 in the dedicated/shared web hosting and domain management categories with overlapping German SMB customer base.

Broad incumbents

• IONOS (1&1 IONOS): Largest German hosting and cloud provider with shared hosting, dedicated servers, email, domains, SSL, and VoIP/Office solutions covering SMB through enterprise. Overlaps nearly all of K1's product categories but at vastly broader scale and price competition.
• STRATO (Strato AG): Major German hosting provider for SMBs offering shared hosting, servers, email, domains, and SSL - overlapping substantively with K1's web hosting portfolio but at much larger scale and with mass-market positioning.
• Hetzner Online: German data center and hosting operator with shared hosting, dedicated servers, cloud servers, and storage. Overlaps K1's web hosting/dedicated server offerings (K1Cloud, K1Root) and competes on price-performance in the German SMB hosting market.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/k1internet

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about K1 Internet Services