![Ari Matias Kelloniemi](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Ari Matias Kelloniemi
Chief Executive Officer at
AALLON GROUP OYJ
Net worth: 2 M $ as of 31/08/2026
Profile
Ari Matias Kelloniemi currently works at Aallon Group Oyj, as Chief Executive Officer from 2019.
Mr. Kelloniemi also formerly worked at PBK Outsourcing AB, as Director, ACCOUNTOR AS, as Director from 2006 to 2012, Bonusway Oy, as Director from 2014 to 2016, McKinsey & Co., Inc., as Principal from 1995 to 2001, and Accountor Group Oy, as Head-Outsourcing Finland from 2017 to 2019.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
AALLON GROUP OYJ 4.09% | 31/12/2025 | 160,265 ( 4.09% ) | 2 M $ | 31/08/2026 |
Ari Matias Kelloniemi active positions
| Companies | Position | Start |
|---|---|---|
| AALLON GROUP OYJ | Chief Executive Officer | 28/10/2019 |
Former positions of Ari Matias Kelloniemi
| Companies | Position | End |
|---|---|---|
Accountor Group Oy
 Accountor Group Oy Packaged SoftwareTechnology Services Provides financial, payroll and HR management software solutions | Director of Finance/CFO | 01/06/2017 |
Bonusway Oy
 Bonusway Oy Internet RetailRetail Trade Operates online shopping platform | Director/Board Member | 01/10/2016 |
McKinsey & Co., Inc.
 McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a management consulting firm | Corporate Officer/Principal | 01/01/2001 |
PBK Outsourcing AB
 PBK Outsourcing AB Miscellaneous Commercial ServicesCommercial Services Provides financial outsourcing services | Director/Board Member | - |
ACCOUNTOR AS | Director/Board Member | 04/07/2012 |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
99
1st degree connections
6
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 6 |
|---|---|
McKinsey & Co., Inc.
McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a management consulting firm | Commercial Services |
PBK Outsourcing AB
PBK Outsourcing AB Miscellaneous Commercial ServicesCommercial Services Provides financial outsourcing services | Commercial Services |
Accountor Group Oy
Accountor Group Oy Packaged SoftwareTechnology Services Provides financial, payroll and HR management software solutions | Technology Services |
ACCOUNTOR AS | |
Bonusway Oy
Bonusway Oy Internet RetailRetail Trade Operates online shopping platform | Retail Trade |
Aallon Group Oyj
 Aallon Group Oyj Investment ManagersFinance Provides financial management, payroll and accounting services | Finance |
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