Sonja Valkhoff
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Sonja Valkhoff Email & Phone Number

Salarisadministrateur at CTSN Group
Location: Amstelveen, North Holland, Netherlands 8 work roles 4 schools
1 work email found @ctsn.nl LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email s****@ctsn.nl
LinkedIn Profile matched
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Current company
CTSN Group
Role
Salarisadministrateur
Location
Amstelveen, North Holland, Netherlands
Company size
388 employees

Who is Sonja Valkhoff? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Sonja Valkhoff is listed as Salarisadministrateur at CTSN Group, a with 388 employees, based in Amstelveen, North Holland, Netherlands. AeroLeads shows a work email signal at ctsn.nl and a matched LinkedIn profile for Sonja Valkhoff.

Sonja Valkhoff previously worked as Financieel administratief at Ctsn Events and Hoofd administratie at Brain Work Facilities Bv. Sonja Valkhoff holds Boekhouding (Accounting), 9,8 from Nha.

Company email context

Email format at CTSN Group

This section adds company-level context without repeating Sonja Valkhoff's masked contact details.

{first}.{last}@ctsn.nl
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AeroLeads found 1 current-domain work email signal for Sonja Valkhoff. Compare company email patterns before reaching out.

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Profile bio

About Sonja Valkhoff

Sonja Valkhoff is a Salarisadministrateur at CTSN Group. She possess expertise in bookkeeping, microsoft excel, office administration, microsoft office, microsoft word and 2 more skills. She is proficient in Engels.

Listed skills include Bookkeeping, Microsoft Excel, Office Administration, Microsoft Office, and 3 others.

Current workplace

Sonja Valkhoff's current company

Company context helps verify the profile and gives searchers a useful next step.

CTSN Group
Ctsn Group
Salarisadministrateur
Amstelveen, NH, NL
Website
ctsn.nl
Employees
388
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Company profile
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8 roles

Sonja Valkhoff work experience

A career timeline built from the work history available for this profile.

Salarisadministrateur

Ctsn Group

Amstelveen, Nh, Nl

Financieel Administratief

Ctsn Events

Hoofddorp, Provincie Noord-Holland, Nederland

Office Manager

Take Two To Cater

Almere-Stad En Omgeving, Nederland

Cateringbedrijf dat voornamelijk werkzaam is in de party- en media crewcatering. Hier heb ik de financiële administratie verzorgd, social media op touw gezet en onderhouden. Verder ondersteunende taken uitgevoerd voor beide directeuren.

Nov 2009 - Nov 2012

Administratief Medewerkster

Yachtfocus (Worldyacht Bv)

Amstelveen

Bij dit softwarehuis en uitgeverij van een botenblad heb ik de financiële administratie van het bedrijf in een geautomatiseerd systeem (Multivers) ingebracht en tevens de voorgaande boekjaren ingeboekt.In het door het bedrijf zelf ontwikkelde CRM alle relatiegegevens gestructureerd en up to date gemaakt.

Mar 2007 - Oct 2009

Websitebeheerder

Orientals Bv

Amstelveen

Voor deze importeur van meubilair en accessoires heb ik twee webwinkels (1 voor retailers en 1 voor consumenten) volledig ingericht.

Oct 2008 - Jul 2009

Zelfstandig Onderneemster

Arigato Woon & Kadowinkel

Aalsmeer

Exploitatie Arigato Woon & Kadowinkel van mei 1999 tm oktober 2003. Van november 2003 tot augustus 2004 na verkoop van de winkel als bedrijfsleidster werkzaam geweest om personeel in te werken en zaken over te dragen. Gedurende de gehele periode ook administraties verzorgd voor derden en als oproepkracht werkzaam geweest in beurs-, party- en crewcatering.

May 1999 - Mar 2007

Administratief Medewerkster / Office Manager

Impliva Bv

van administratief medewerkster tot aan plaatsvervangende directie, autodidact, tot mei 1996

Nov 1986 - May 1999
Team & coworkers

Colleagues at CTSN Group

Other employees you can reach at ctsn.nl. View company contacts for 388 employees →

FK Firazia K. Firazia K. Colleague at Ctsn GroupLelystad, Flevoland, Netherlands View → KC Kenzo Claessen Kenzo Claessen Colleague at Ctsn GroupAlmere, Flevoland, Netherlands View → LD Lachmi Debie Lachmi Debie Colleague at Ctsn GroupAmsterdam, North Holland, Netherlands View → JS Jamy Schaaf Jamy Schaaf Colleague at Ctsn GroupAmsterdam, North Holland, Netherlands View → RL Remko Langenhoff Remko Langenhoff Colleague at Ctsn GroupAlphen Aan Den Rijn, South Holland, Netherlands View → MC Marie Carmen Terlouw Marie Carmen Terlouw Colleague at Ctsn GroupNetherlands View → LV Lisette Vogels Lisette Vogels Colleague at Ctsn GroupAmsterdam, North Holland, Netherlands View → KV Kimberly Van Der Meer Kimberly Van Der Meer Colleague at Ctsn GroupHaarlem, North Holland, Netherlands View → SB Shahid Butt Shahid Butt Colleague at Ctsn GroupRotterdam, South Holland, Netherlands View → JK Johan Kramer Johan Kramer Colleague at Ctsn GroupAlmere, Flevoland, Netherlands View →
4 education records

Sonja Valkhoff education

Boekhouding (Accounting), 9,8

Nha

Computerboekhouden met Exact Online

Education record

Praktijk Diploma Boekhouden

Education record

Middelbaar Middenstandsonderwijs C-Differentiatie

Vakkenpakket: Nederlands, Engels, Economie, Commerciële Vorming, Warenkennis, Management.

Education record

Havo

Vakkenpakket: Nederlands, Engels, Duits, Frans, Aardrijkskunde, Handelswetenschappen en Recht

FAQ

Frequently asked questions about Sonja Valkhoff

Quick answers generated from the profile data available on this page.

What company does Sonja Valkhoff work for?

Sonja Valkhoff works for CTSN Group.

What is Sonja Valkhoff's role at CTSN Group?

Sonja Valkhoff is listed as Salarisadministrateur at CTSN Group.

What is Sonja Valkhoff's email address?

AeroLeads has found 1 work email signal at @ctsn.nl for Sonja Valkhoff at CTSN Group.

Where is Sonja Valkhoff based?

Sonja Valkhoff is based in Amstelveen, North Holland, Netherlands while working with CTSN Group.

What companies has Sonja Valkhoff worked for?

Sonja Valkhoff has worked for Ctsn Group, Ctsn Events, Brain Work Facilities Bv, Take Two To Cater, and Yachtfocus (Worldyacht Bv).

Who are Sonja Valkhoff's colleagues at CTSN Group?

Sonja Valkhoff's colleagues at CTSN Group include Firazia K., Kenzo Claessen, Lachmi Debie, Jamy Schaaf, and Remko Langenhoff.

How can I contact Sonja Valkhoff?

You can use AeroLeads to view verified contact signals for Sonja Valkhoff at CTSN Group, including work email, phone, and LinkedIn data when available.

What schools did Sonja Valkhoff attend?

Sonja Valkhoff holds Boekhouding (Accounting), 9,8 from Nha.

What skills is Sonja Valkhoff known for?

Sonja Valkhoff is listed with skills including Bookkeeping, Microsoft Excel, Office Administration, Microsoft Office, Microsoft Word, Social Media, and Internet.

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