What Unisono Services does

Unisono Services GmbH is a privately held German B2B service provider headquartered in Taunusstein, founded in 2001 by shareholders who had been active in customer communication since 1990. The company delivers multi-channel dialog marketing and call center services, operating across inbound and outbound customer communication for business clients in Germany. Its service portfolio spans direct sales/telesales, appointment setting and lead generation, churn prevention and retention, market research and customer satisfaction surveys, inbound services, process outsourcing, fulfillment and lettershop operations, full-service advertising steering, integral campaign optimization, CRM consulting, and strategic dialog consulting, presented as integrated modules covering the full campaign lifecycle from process analysis through execution and performance control.

The underlying capability is a multi-channel communication infrastructure that supports both inbound and outbound contact routes, with integral campaign optimization as the methodological backbone. The company markets an end-to-end approach where process analysis, planning, operational implementation, and optimized steering are delivered under one roof, positioning itself as a strategic cooperation partner that allows clients to focus on their core business. The company is a certified member of GenoServ eG, the first European cooperative for dialog service providers, and lists professionalism, quality, efficiency, specialization, focus, innovation, transparency, and empathy as guiding principles.

Commercially, Unisono operates a sales-led, direct enterprise GTM motion within a single domestic market (Germany), with pricing not publicly disclosed and services tailored on a quote basis. Revenue is generated through professional services engagements and managed services/process outsourcing relationships, targeting business clients seeking external support for customer dialogue, lead generation, retention, and campaign execution. The company reports healthy growth since 2000 while the broader German dialog marketing industry has been in consolidation.

Name

Unisono Services

Legal name

Unisono Services GmbH

Website

https://unisono-service.de

Company type

Private

Founded year

2001

Operating status

Operating

Headcount range

11–50 employees

Short description

Unisono Services GmbH is a German B2B dialog marketing and call center services provider, founded in 2001 in Taunusstein, offering multi-channel inbound and outbound customer communication, telesales, retention, process outsourcing, and integral campaign optimization to German enterprise clients.

Ownership category

akta.pro rank

Product category

Business Process Outsourcing / Dialog Marketing Services

NAICS

Telephone Call Centers (56142), Telemarketing Bureaus and Other Contact Centers (561422), All Other Business Support Services (561499)

SIC

Services-Help Supply Services (7363), Services-Management Services (8741), Communications Services, Nec (4899)

akta.pro primary industry

General Customer Service & Contact Center Operations (BPAAAAAA)

akta.pro secondary industries

General Customer Service (Order/Account/Inquiries) (BPAAABAA), Order Management & Customer Fulfillment Support (BPAAAAAE), Appointment Scheduling & Service Dispatch Support (BPAAABAO), Customer Experience (CX) QA, Analytics & Voice-of-Customer Operations (BPAAABAN)

Keywords

• Dialog marketing services
• Call center services
• Business process outsourcing
• Customer communication campaigns
• Telesales and lead generation

Headquarters

HQ city

Wiesbaden

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. Dialog Services / Telesales: Revenue generated from direct sales, telesales, and outbound customer communication services. The company conducts customer dialogue campaigns on behalf of clients, placing products and services with target customers.
2. Process Outsourcing: Outsourcing of business processes where Unisono manages customer communication functions, creating ongoing service relationships with clients.
3. Consulting Services: Advisory services related to customer communication strategy, campaign optimization, and CRM solutions.
4. Fulfillment Services: Fullfilment, lettershop, and fulfillment operations supporting customer communication and external communications.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Unisono Services GmbH is a B2B dialog marketing and call center services provider that designs, executes, and optimizes multi-channel customer communication campaigns on behalf of business clients. The company delivers inbound and outbound customer dialogue services covering telesales, lead generation, appointment setting, customer retention, market research, process outsourcing, fulfillment/lettershop operations, and CRM-enabled campaign management. Services are offered as tailored, quote-based engagements primarily to German enterprises seeking to outsource customer communication functions and gain Freiräume to focus on their core business.

Product overview

Unisono Services GmbH offers a comprehensive suite of customer dialog and call center services delivered through a single unified service portfolio. The company provides multi-channel communication services (inbound and outbound), campaign management, process outsourcing, CRM solutions, fulfillment, and strategic consulting. The services are offered as integrated modules that work together to support the entire customer communication lifecycle—from lead generation and direct sales through customer retention and loyalty management.

Differentiator

Problem solved

Functional benefit

Products and services

• Direktverkauf / Telesales Outbound direct sales and telesales services for customer acquisition and campaign execution on behalf of business clients in Germany.
• Termine, Leads und Außendienststeuerung
• Kündigerprävention, Retention und Kundenbindung
• Marktforschung, Potenzialanalysen, Kundenzufriedenheitsbefragungen
• Inbound-Services
• Prozessoutsourcing
• Fulfillment
• Full-Service und Werbesteuerung
• Integrale Kampagnenoptimierung
• Consulting
• CRM Lösung

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

One partnership is on record.

• GenoServ eGcoreOthersUnisono Services GmbH is a certified member of GenoServ eG, the first and only European cooperative for dialog service providers. This membership provides quality certification and industry recognition for the company within the German and European dialog marketing services sector.

Scale indicators1 record

Recent moves3 records

Expansion highlights3 records

Broad incumbents

• Foundever (formerly Sitel/SYKES): International customer experience and digital CX outsourcer with German operations delivering inbound, outbound, telemarketing and back-office support — comparable in service model but operating at much greater scale.
• Teleperformance: Global leader in customer experience management and omnichannel contact center services with significant operations in Germany; competes for the same enterprise dialog marketing and inbound/outbound contracts as Unisono at much greater scale.
• arvato (Bertelsmann): Large Bertelsmann-owned BPO and customer services division with significant German footprint offering inbound, outbound, dialog marketing and process outsourcing — directly overlapping with Unisono's service portfolio at greater scale and with broader international reach.
• Concentrix (formerly Convergys/Sitel): Major global CX and BPO provider with German delivery centers offering telesales, customer care, retention and process outsourcing — overlapping with Unisono's full-service campaign and inbound/outbound capabilities.
• Majorel (now part of Concentrix/Teleperformance group via carve-outs): Global CX and BPO provider (originating from Bertelsmann's Majorel) with strong presence in Germany offering omnichannel customer service, telesales and retention — a regional-scale peer to Unisono's domestic offering.

Direct peers

• Competence Call Center (CCC): Leipzig-headquartered call center operator providing inbound, outbound, telesales and customer service across Germany and Europe. Closely comparable in size, geography and service mix to Unisono's multi-channel dialog offering.
• Weckruf Gruppe: German call center and dialog marketing group offering telesales, lead generation, retention and customer lifecycle services to mid-market clients — a similar-sized domestic peer competing for the same contracts as Unisono.
• D+S communication: Hamburg-based German call center and dialog marketing specialist serving clients across industries with inbound, outbound, telemarketing and customer lifecycle services — a near-direct domestic peer to Unisono.
• SDX Group: German mid-market BPO and customer service specialist providing inbound, outbound, telemarketing and back-office solutions; comparable in scale and customer segment focus to Unisono.

Others

• GenoServ eG: European cooperative for dialog service providers of which Unisono is a certified member; functions as a quality certification body and industry network — adjacent ecosystem participant rather than a direct competitor.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/unisono-services-gmbh

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

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 Unisono Services