What departments does Jannsen + Company, S.C. have?

Jannsen + Company, S.C. has employees across 5 departments including Administrative, Information Technology, Accounting, Human Resources, Military & Protective Services.

What is the largest department at Jannsen + Company, S.C.?

The largest department at Jannsen + Company, S.C. is Accounting with 4 employees.

Where are Jannsen + Company, S.C. employees located globally?

Jannsen + Company, S.C. has employees across 2 continents and 4 countries including Italy, Ireland, United Kingdom Of Great Britain And Northern Ireland, United States Of America.

How has Jannsen + Company, S.C.'s team size changed over time?

Jannsen + Company, S.C.'s team has remained stable from approximately 11 to 11 employees based on available data.

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Jannsen + Company, S.C. Employee Directory

AccountingWisconsin, United States11-50 Employees

Jannsen + Company, S.C. is a certified public accounting and business advisory firm dedicated to helping your business succeed.  Jannsen + Company, S.C. provides CPA & Accounting Services, Information Technology Consulting, Human Resource Consulting and Payroll Services. Since our inception in 1975, the fundamental principle behind Jannsen + Company, S.C. is not just about adding numbers, it's about adding value.  

We inspire excellence through forward thinking, sound planning and personal attention.  Count on our experienced team of professionals to take your business to the next level.

Find Jannsen + Company, S.C. employees' phone numbers or email addresses

Jannsen + Company, S.C. Global Highlights

North America
15

United States Of America
15

Europe
4

Italy
2
Ireland
1
United Kingdom Of Great Britain And Northern Ireland
1

Jannsen + Company, S.C.'s Leadership

T. B.
Partner And Cpa
Mobile Phone
Email
A. S.
Administration Team - Director Of First Impressions
Mobile Phone
Email
P. L.
It Manager
Mobile Phone
Email
M. M.
Qa Associate
Mobile Phone
Email
C. L.
Internal Accounting
Mobile Phone
Email
C. T.
Payroll Services & Bookkeeping
Mobile Phone
Email
A. R.
Accountant
Mobile Phone
Email
K. O.
C&q
Mobile Phone
Email

Jannsen + Company, S.C. Employee Metrics

100%

50%

2026

2025

Accounting
Community & Social Services
Information Technology
Administrative
Analytics
Other

Contact profiles from Jannsen + Company, S.C.

Name

Title

Contact Info

Location

Last Update

T. B.
Partner And Cpa
Mobile Phone
Email
UNITED STATES
Mar 08, 2023
A. S.
Administration Team - Director Of First Impressions
Mobile Phone
Email
United States
Aug 11, 2025
P. L.
It Manager
Mobile Phone
Email
United StatesWisconsin
Feb 05, 2026
M. M.
Qa Associate
Mobile Phone
Email
United StatesNew Jersey
Oct 27, 2025
C. L.
Internal Accounting
Mobile Phone
Email
United StatesWisconsin
Mar 25, 2026
C. T.
Payroll Services & Bookkeeping
Mobile Phone
Email
United StatesWisconsin
Oct 25, 2025
A. R.
Accountant
Mobile Phone
Email
United StatesWisconsin
Mar 24, 2026
K. O.
C&q
Mobile Phone
Email
IrelandMunster
Feb 22, 2024
L. G.
Certified Public Accountant
Mobile Phone
Email
Oct 24, 2024
M. T. J.
Sec'y-Trea
Mobile Phone
Email
United StatesWisconsin
Oct 16, 2024

Frequently Asked Questions

What is Jannsen + Company, S.C. known for?

Jannsen + Company, S.C. was founded in 1975 operates in the Accounting industry. The company's main headquarters is located in W239 N3490 Pewaukee Road Suite 200 Pewaukee, Wisconsin 53072 United States; you can contact the main corporate office by phone at

+1-262-696-****

. Explore Jannsen + Company, S.C.'s company overview page for more information.

What is Jannsen + Company, S.C.'s most common email format?

Jannsen + Company, S.C. employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Jannsen + Company, S.C. email formats with LeadIQ.

How many employees does Jannsen + Company, S.C. have currently?

Jannsen + Company, S.C. has approximately 19 employees as of April 2026. These team members are located across 2 continents, including North AmericaEurope.

Who are Jannsen + Company, S.C.'s key employees and leadership?

As of April 2026, Jannsen + Company, S.C.'s key employees include:

Partner And Cpa: T. B.
Administration Team - Director Of First Impressions: A. S.
It Manager: P. L.
Qa Associate: M. M.
Internal Accounting: C. L.

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