Insights

Regulatory risk SII Investments faced a Massachusetts securities enforcement issue in 2017 related to REIT sales and supervision gaps. Opportunity: position compliance and supervisory automation solutions, training enhancements, and due-diligence tooling to mitigate similar regulatory exposure for broker-dealer networks.

Redemption pressure Revenue is in the mid hundreds of millions with a relatively small employee base (51-200). Opportunity: offer scalable technology and services that help a lean team manage increasing volume, client onboarding, and risk controls without proportional headcount growth.

Digital footprint Tech stack includes Akamai and legacy web technologies (jQuery, YUI) with Akamai Bot Manager. Opportunity: provide modern digital experience, security, and performance upgrades, as well as modernization services to improve customer-facing platforms and protect against bot and fraud risks.

Industry peers Competitive landscape includes mid to large broker-dealer networks with substantial revenue streams. Opportunity: offer partnership programs, white-label tech integrations, or scale-focused solutions tuned to financial services distributors seeking efficiency gains and regulatory compliance.

Growth signals Past sale of independent broker-dealer network assets and revenue footprint indicate potential consolidation or strategic shifts in distribution models. Opportunity: present M&A readiness services, integration platforms, and advisory solutions that enable smoother transitions, asset retention, and channel optimization.

Similar companies to SII Investments

SII Investments Tech Stack

SII Investments uses 4 technology products and services including Akamai, jQuery, YUI, and more. Explore SII Investments's tech stack below.

  • Akamai
    Content Delivery Network
  • jQuery
    Javascript Libraries
  • YUI
    Javascript Libraries
  • Akamai Bot Manager
    Security

SII Investments's Email Address Formats

SII Investments uses at least 4 email formats:
SII Investments Email FormatsExamplePercentage
First.Last@siionline.comJohn.Doe@siionline.com
92%
First_Last@siionline.comJohn_Doe@siionline.com
5%
Last.First@siionline.comDoe.John@siionline.com
2%
FLast@siionline.comJDoe@siionline.com
1%

Frequently Asked Questions

What is SII Investments's phone number?

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You can contact SII Investments's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is SII Investments's official website and social media links?

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SII Investments's official website is siionline.com and has social profiles on LinkedIn.

How much revenue does SII Investments generate?

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As of September 2026, SII Investments's annual revenue is estimated to be $100M - $250M.

What is SII Investments's SIC code and NAICS code?

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SII Investments's SIC code is 6211 - Security Brokers, Dealers, and Flotation Companies and NAICS code is 52 - Finance and Insurance.

How many employees does SII Investments have currently?

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As of September 2026, SII Investments has approximately 64 employees across 4 continents, including North America, Africa and Europe. Key team members include Vice President Relationship Management: A. H., President: A. S. and President: P. W. Explore SII Investments's employee directory with LeadIQ.

What industry does SII Investments belong to?

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SII Investments operates in the Financial Services industry.

What technology does SII Investments use?

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SII Investments's tech stack includes Akamai, jQuery, YUI and Akamai Bot Manager.

What is SII Investments's email format?

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SII Investments's email format typically follows the pattern of First.Last@siionline.com. Find more SII Investments email formats with LeadIQ.
SII Investments logo

SII Investments

Financial ServicesWisconsin, United States51-200 Employees

SII Investments is a mid-sized financial services firm based in Appleton, Wisconsin. It operates within the independent broker-dealer network space, providing a platform for securities transactions and related services to financial professionals. In September 2017, the Massachusetts Securities Division filed an administrative complaint against SII Investments over the sale of REITs and the supervision of its representatives. Public records also reference a 2017 announcement regarding the sale of the business of its independent broker-dealer network to LPL Financial LLC. The company is positioned within the broader financial services landscape as part of a cohort of independent broker-dealer distributors serving advisors and their clients, with a regional footprint in the U.S. Midwest.

Section iconCompany Overview

Phone number
SIC Code
6211 - Security Brokers, Dealers, and Flotation Companies
NAICS Code
52 - Finance and Insurance
Employees
51-200

Section iconFunding & Financials

  • $100M - $250M

    SII Investments's revenue is estimated to be in the range of $100M - $250M

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