Insights

Regulatory risk SII Investments has faced regulatory scrutiny related to securities laws and REIT sales, indicating a needs assessment for compliance solutions, supervisory controls, and risk management services to prevent future violations.

Regulatory risk Independent broker-dealer history and connections to LPL Financial suggest potential interest in platforms that enhance oversight, training, and regulatory reporting to align with industry standards.

Growth potential With revenue in the mid hundreds of millions and a mid-size advisor network, there is opportunity for scalable tech and service solutions to optimize client onboarding, analytics, and advisory workflows.

Digital security Current tech stack includes Akamai and bot management, indicating a focus on security and performance; opportunities exist to offer enhanced cybersecurity, fraud detection, and web integrity services.

Competitive landscape Operating in a crowded advisory space with peers of similar size, SII Investments may benefit from partnerships or solutions that differentiate through data analytics, CRM integrations, and optimized product/SKU management to attract and retain reps.

SII Investments Tech Stack

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

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

SII Investments's Email Address Formats

SII Investments uses at least 1 format(s):
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 July 2026, SII Investments's annual revenue is estimated to be $100M - $250M.

What is SII Investments's SIC code NAICS code?

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

How many employees does SII Investments have currently?

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As of July 2026, SII Investments has approximately 64 employees across 3 continents, including North AmericaAfricaAsia. Key team members include Vice President Relationship Management: A. H.President: A. S.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 AkamaiYUIjQueryAkamai 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

Section iconFunding & Financials

  • $100M - $250M

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

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