SI Group Overview
- Year Founded
-
1906
- Status
-
Acquired/Merged
- Employees
-
1,500
- Latest Deal Type
-
Debt Refin.
- (Announced)
- Financing Rounds
-
7
- Investments
-
7
SI Group General Information
Description
Developer and manufacturer of performance additives and intermediates intended to improve purity in industrial and consumer goods. The company offers a broad array of chemical intermediates and specialty resins in its facilities equipped with advanced technologies, enabling formulators and manufacturers to increase efficacy, efficiency, productivity and purity in countless industrial and consumer goods.
Contact Information
Website
www.siigroup.com(Operating Subsidiary)
Corporate Office
- 1790 Hughes Landing Boulevard
- Suite 600
- The Woodlands, TX 77380
- United States
Corporate Office
- 1790 Hughes Landing Boulevard
- Suite 600
- The Woodlands, TX 77380
- United States
SI Group Valuation & Funding
| Deal Type | Date | Amount | Valuation/ EBITDA |
Post-Val | Status | Debt |
|---|
SI Group Comparisons
Industry
Financing
Details
SI Group Competitors (44)
One of SI Group’s 44 competitors is Clariant International, a Corporation company based in Muttenz, Switzerland.
| Company Name | Financing Status | Location | Employees | Total Raised | Last Financing Date/Type | Last Financing Amount |
|---|---|---|---|---|---|---|
| Clariant International | Corporation | Muttenz, Switzerland | ||||
| Kuraray South America | Corporation | Sao Paulo, Brazil | ||||
| Archroma | Private Equity-Backed | Pratteln, Switzerland | ||||
| BASF | Corporation | Ludwigshafen, Germany | ||||
| Caldic | Private Equity-Backed | Rotterdam, Netherlands |
SI Group Patents
SI Group Recent Patent Activity
| Publication ID | Patent Title | Status | First Filing Date | Technology (CPC) | Citations |
|---|---|---|---|---|---|
| WO-2026221921-A2 | Antifouling composition | Pending | 15-Apr-2025 | ||
| WO-2025245330-A1 | Phosphite polymer processing aid and process of preparing a thermoplastic polymer composition | Pending | 22-May-2024 | ||
| WO-2025178969-A1 | Improved method for polycondensation of a recycled polyester | Pending | 19-Feb-2024 | ||
| US-20250263524-A1 | Method for polycondensation of a recycled polyester | Pending | 19-Feb-2024 | ||
| US-20250263514-A1 | Process for preparing svhc-free phenolic resins | Pending | 16-Feb-2024 | C08L9/00 |
SI Group Signals
Growth Rate
Growth
Size Multiple
Key Data Points
Similarweb Unique Visitors
Majestic Referring Domains
SI Group Former Investors
| Investor Name | Investor Type | Holding | Investor Since | Participating Rounds | Contact Info |
|---|
SI Group Investments & Acquisitions (7)
SI Group’s most recent deal was a Joint Venture with Shengnuo New Materials. The deal was made on 25-Jun-2026.
| Company Name | Deal Date | Deal Type | Deal Size | Industry | Lead Partner |
|---|---|---|---|---|---|
| Shengnuo New Materials | 25-Jun-2026 | Joint Venture | Industrial Chemicals | ||
| TPC Group (Baytown Plant) | 10-Oct-2016 | Corporate Asset Purchase | Buildings and Property | ||
| Albemarle Corporation (Ibuprofen Assets) | 02-Sep-2014 | Corporate Asset Purchase | Buildings and Property | ||
| Addivant | 01-May-2013 | Buyout/LBO | Specialty Chemicals | ||
| Xpro India (Thermosets Division) | 18-Aug-2011 | Merger/Acquisition | Industrial Supplies and Parts |
SI Group Exits (1)
SI Group’s most recent exit was on 01-Jan-2000 from Minascent. The exit was categorized as .
| Company Name | Exit Date | Exit Type | Exit Size | Status | Buyers |
|---|---|---|---|---|---|
| Minascent | 01-Jan-2000 | Completed |
|
SI Group FAQs
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When was SI Group founded?
SI Group was founded in 1906.
-
Where is SI Group headquartered?
SI Group is headquartered in The Woodlands, TX.
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What is the size of SI Group?
SI Group has 1,500 total employees.
-
What industry is SI Group in?
SI Group’s primary industry is Multi-line Chemicals.
-
Is SI Group a private or public company?
SI Group is a Private company.
-
What is SI Group’s current revenue?
The current revenue for SI Group is .
-
How much funding has SI Group raised over time?
SI Group has raised $150M.
-
Who are SI Group’s investors?
HarbourVest Partners and SK Capital Partners have invested in SI Group.
-
Who are SI Group’s competitors?
Clariant International, Kuraray South America, Archroma, BASF, and Caldic are some of the 44 competitors of SI Group.
-
When was SI Group acquired?
SI Group was acquired on 01-Oct-2024.
-
Who acquired SI Group?
SI Group was acquired by HowardSimon Retirement.
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