About Notion Consulting
Notion Consulting is a Business Services company based in New York (United States) founded in 2015 by Diana Vienne and Christine Andrukonis, and was acquired by Sia Partners in January 2024. Provider of business strategy, digital transformation, leadership, and other consulting services. Its focus areas include Management Consulting Services and Horizontal. Its competitors include Booz Allen Hamilton, Teneo and Cognizant; 1 of its 3 listed competitors has raised funding.
Company details
Notion Consulting was founded in 2015 and is headquartered in New York, United States, with global operations. Services in transformational change management are provided, focusing on business strategy, digital transformation, and leadership development. Organizations are assisted in achieving goals through human-centered change programs. The consultancy is led by co-founders Diana Vienne and Christine Andrukonis, operating within the professional services sector.
- Headquarters New York, United States
- Founders Diana Vienne, Christine Andrukonis
- Stage Acquired
- SectorsBusiness Services
- Emailβ’β’β’β’β’β’β’β’
- Website notionconsulting.com
- Social LinkedIn X
- Acquired by Sia Partners (Jan 2024)
- Investors
- Acquired bySia Partners
(Jan 2024)
Investors in Notion Consulting
Notion Consulting has secured backing from 1 investor, including institutional investors. Prominent investors backing the company include Sia Partners.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Management consulting services are provided for business transformations. | 1999 | sia-partners.com | Brussels, Belgium |
Investor details for Notion Consulting
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People of Notion Consulting
2 people are tracked at Notion Consulting (2 in leadership).
| Name | Role | Group |
|---|---|---|
Diana Vienne | Co-Founder | Leadership |
Christine Andrukonis | Co-Founder | Leadership |
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Timeline of Notion Consulting
2 dated milestones of Notion Consulting across 9 years, from founding to its latest funding, stage changes and deals.
- Founded Notion Consulting is founded.
- Exit Acquired by Sia Partners.
Competitors of Notion Consulting
Notion Consulting has 3 listed competitors in our database, 1 of them funded. They include Booz Allen Hamilton, Teneo and Cognizant.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| boozallen.com | 1914 | Mclean, United States | 34,200 | Analytics, cybersecurity, and digital transformation services are provided. | ||
| teneo.com | 2011 | New York, United States | $400M | 313 | Business consulting, financial advisory, and crisis management services are provided. | |
| cognizant.com | 1994 | United States | 14 | Provider of software development, cloud & data management, and IT consulting services |
Detailed competitors of Notion Consulting
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Top companies in Professional Consulting & Advisory
3 companies that operate in the same segment as Notion Consulting (Professional Consulting & Advisory) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Provider of data analytics, cloud modernization, management strategy, and digital transformation services | 1998 | Aliso Viejo, California, United States | USD 250 M | USD 59.61 M | 1,905 | |
Diversified insurance brokerage and risk management services are offered worldwide. | 1927 | Rolling Meadows, Illinois, United States | USD 13.94 B | 56,000 | ||
Talent acquisition and consulting services are provided globally. | 1969 | Los Angeles, California, United States | USD 2.94 B | 9,250 |
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Related news about Notion Consulting
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Frequently Asked Questions about Notion Consulting
Notion Consulting was founded in 2015.
Notion Consulting is headquartered in New York, United States. It is registered at New York, New York, United States.
Notion Consulting was founded in 2015 and is headquartered in New York, United States, with global operations. Services in transformational change management are provided, focusing on business strategy, digital transformation, and leadership development. Organizations are assisted in achieving goals through human-centered change programs. The consultancy is led by co-founders Diana Vienne and Christine Andrukonis, operating within the professional services sector.
Notion Consulting's top competitors include Booz Allen Hamilton, Teneo and Cognizant.
Notion Consulting has 1 investor. Key investors include Sia Partners.
Yes. Notion Consulting was acquired by Sia Partners in January 2024.

