Insights

Strong Market Presence Mainstar Trust is one of the largest self-directed custody providers in the US, managing over 120,000 customers and $8.5 billion in assets, indicating significant market share and potential for growth services.

Established Reputation With a history dating back to 1978 and a reputation for exceptional customer service, Mainstar Trust demonstrates stability and reliability, making it an attractive partner for value-added fintech or service solutions.

Growth Potential Operating within a competitive segment alongside companies like Equity Trust, with revenue estimates between $10M and $25M, suggests opportunities to offer scalable financial technologies or client engagement tools.

Tech Infrastructure Utilization of a modern tech stack including cloud services and analytics tools indicates openness to adopting innovative technology solutions to enhance operational efficiency and customer experience.

Target Customer Base Mainstar’s focus on self-directed retirement accounts positions it well for partnerships providing compliance, security, or specialized financial management solutions tailored to retirement planning.

Similar companies to Mainstar Trust

Mainstar Trust Tech Stack

Mainstar Trust uses 8 technology products and services including Cloudflare, DNN, Mailchimp, and more. Explore Mainstar Trust's tech stack below.

Cloudflare
Content Management System
DNN
Content Management System
Mailchimp
Email
PHP
Programming Languages
HSTS
Security
Bootstrap
UI Frameworks
Google Analytics
Web Analytics
X-UA-Compatible
Web Tools And Plugins

Media & News

Mainstar Trust's Email Address Formats

Mainstar Trust uses at least 1 format(s):

Mainstar Trust Email Formats	Example	Percentage
First.Last@mainstartrust.com	John.Doe@mainstartrust.com	32%
LastF@mainstartrust.com	DoeJ@mainstartrust.com	18%
First.Last@mainstartrust.com	John.Doe@mainstartrust.com	32%
LastF@mainstartrust.com	DoeJ@mainstartrust.com	18%

Frequently Asked Questions

Where is Mainstar Trust's headquarters located?

Mainstar Trust's main headquarters is located at 214 W 9th St, Onaga, Kansas 66521, US. The company has employees across 1 continents, including North America.

What is Mainstar Trust's phone number?

You can contact Mainstar Trust's main corporate office by phone at

+1-785-889-****

. 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 Mainstar Trust's official website and social media links?

Mainstar Trust's official website is mainstartrust.com and has social profiles on LinkedIn.

What is Mainstar Trust's NAICS code?

Mainstar Trust's NAICS code is 52 - Finance and Insurance.

How many employees does Mainstar Trust have currently?

As of October 2025, Mainstar Trust has approximately 51 employees across 1 continents, including North America. Key team members include Chief Administrative Officer: N. B.President: B. O.Vice President: C. M.. Explore Mainstar Trust's employee directory with LeadIQ.

What industry does Mainstar Trust belong to?

Mainstar Trust operates in the Financial Services industry.

What technology does Mainstar Trust use?

Mainstar Trust's tech stack includes CloudflareDNNMailchimpPHPHSTSBootstrapGoogle AnalyticsX-UA-Compatible.

What is Mainstar Trust's email format?

Mainstar Trust's email format typically follows the pattern of First.Last@mainstartrust.com. Find more Mainstar Trust email formats with LeadIQ.

When was Mainstar Trust founded?

Mainstar Trust was founded in 1978.

Mainstar Trust

Financial ServicesUnited States51-200 Employees

Since 1978, Mainstar Trust has been a trusted self-directed retirement custodian with a reputation for exceptional customer service and an experienced and knowledgeable team. Rebranded from First Trust Company of Onaga, Mainstar is one of the largest self-directed custodians nationally with more than 120,000 customers and $8.5 billion in custody assets.