jk development
at a glance
2011
founded
2000+
projects
1
owner
150
employees
100
agents
8
languages
jk development was founded in 2011. our headquarters are located in the swiss it valley of zug, and we have another office in munich – additional locations are currently being planned. with our many years of experience stemming from over 2,000 completed projects across various industries, we know how to successfully communicate complex solutions and services.
our brand is characterised by loyalty and continuity. as owner and co-founder, Marco Mannhart leads the company. we currently have 150 employees. our 100 full-time b2b agents, with whom we are able to cover eight different languages, enable us to implement numerous projects in tandem, as well as accept new projects at short notice. thanks to our international team, we are also effectively positioned to respond to local cultural needs and the specific features of doing business in the respective countries for your international projects.
jk development is 100% self-financed. our corporate culture is characterised by a sense of passion and the highest level of quality in everything we do.
our consistent growth is confirmation of our success and fills us with great pride.
check out our success calculator here to find out what contribution we can make to your success.
about us
our multilingual call centre offers our swiss and international customers the complete spectrum of new customer acquisition and customer care options. as a professional call centre, we support our customers with appointments and lead generation, as well as direct customer acquisition.
as a data specialist, we offer database services and address processing for our customer database – including address verification. this forms the basis of all successful marketing campaigns.
As an outsourcing service provider, we specialise in customer care services – from order acceptance to support centre/help desk or back office services. comprehensive customer service with outstanding expertise – all on your behalf.
our employees

Founder & Ceo
Marco Mannhart
e-mail : mannhart.marco@jk-development.ch
doesn't ask “why?”, instead “why not?”

CMO
Larisa Moroz
e-mail : moroz.larisa@jk-development.ch
tenure : 5 years
a marketing angel fell to earth from heaven

COO
Marco Stettler
e-mail : stettler.marco@jk-development.ch
tenure : 6 years
is everywhere with boost
Sales Manager
Martin Kwidzynski
e-mail : kwidzynski.martin@jk-development.ch
Senior Sales Manager
Susanna Murara
e-mail : murara.susanna@jk-development.ch
mediterranean flair meets german-speaking switzerland - the best of both worlds

Head of Inside Sales
Jacqueline Blume
e-mail : blume.jacqueline@jk-development.ch
the friendly voice that our customers remember
Head of Project Management
Ayse Cakir
e-mail : cakir.ayse@jk-development.ch
tenure : 7 years
the style icon who also manages her projects with style

Relationship Manager
Adrién Louvet
e-mail : louvet.adrien@jk-development.ch
tenure : 8 years
with that french charm that guarantees your success

Relationship Manager
Rita Wild
e-mail : wild.rita@jk-development.ch
tenure : 7 years
a fantastic relationship manager at jk, and a super-mum at home

Relationship Manager
Sebastian Roth
e-mail : roth.sebastian@jk-development.ch
tenure : 7 years
the musical talent that rocks his projects

Relationship Manager
Monica Raschle
e-mail : raschle.monica@jk-development.ch
tenure : 9 years
our multitasking miracle

Relationship Manager
Marcel Schmidt
e-mail : schmidt.marcel@jk-development.ch
tenure : 11 years
the digital transformation nerd

Relationship Manager
Sabrina Bornhauser
e-mail : bornhauser.sabrina@jk-development.ch
tenure : 10 years
the cool, calm and collected professional for hot leads

Relationship Manager
Stephan Baumann
e-mail : baumann.stephan@jk-development.ch
tenure : 7 years
our top man in germany
Head of Administration
Samantha Brander
e-mail : brander.samantha@jk-development.ch
tenure : 1 year
the score’s settled here

COH