MANTL and Credit Union West Reveal How Modern Account Opening Drove $400 Million in Deposit Growth
By Lauren Towner · 10 July 2026
In brief: Credit Union West generated $400 million in deposit growth by implementing MANTL's modern account opening platform, reducing retail onboarding time to just five minutes.
| Deposit Growth | $400 million |
|---|---|
| Onboarding Time | 5 minutes |
| Staff Hours Saved | 3,753 hours in 2025 |
| Top Branch Growth | $55 million in new deposits |

Quick Summary
Credit Union West achieved over $400 million in deposit growth by implementing modern account opening technology from MANTL. By unifying retail and business onboarding into a single omnichannel strategy, the institution reduced retail account opening times to five minutes and saved over 3,700 staff hours in 2025.
How Does Modern Account Opening Drive Deposit Growth?
Financial institutions can transform modern account opening from a back-office hurdle into a strategic growth engine by removing friction for new members. Credit Union West demonstrated this by generating $400 million in deposits through a unified digital and physical channel approach. By streamlining the onboarding process, the credit union not only met but exceeded 2025 goals for membership and deposit acquisition. Key performance metrics include:
- Five-minute onboarding for retail accounts across all digital and branch channels.
- $55 million generated by a single branch in its first year using the new platform.
- 3,753 staff hours saved in 2025, allowing for deeper member relationship building.
What Are the Benefits of Omnichannel Onboarding for Credit Unions?
A unified omnichannel experience ensures that members receive the same high-quality service whether they apply online or in a physical branch. Credit Union West utilized MANTL to connect banking channels, which empowered employees and provided members with an intuitive onboarding journey. This shift allowed the institution to launch online business accounts for the first time, capturing a market segment that increasingly demands digital-first banking solutions. The automation of these processes directly correlates to increased operational efficiency and higher conversion rates for complex product types.
How Does MANTL Support Financial Institution Scalability?
The partnership between Alkami's MANTL team and Credit Union West highlights how scalable fintech solutions address the pressure to accelerate deposit growth while reducing operational costs. By automating the heavy lifting of data-informed banking, the platform allows credit unions to focus on anticipatory banking services. The results at Credit Union West, including $15 million in deposits per branch on average, prove that modern account opening is the foundation for sustainable scaling in a competitive interest rate environment.
"MANTL has completely transformed how we engage with our business and consumer members and has supercharged growth across membership, deposits, and product types," said Green. "The ability to deliver a single, unified omnichannel experience is incredible. All of our banking channels are now connected, our employees are empowered, and our members have an intuitive, seamless onboarding journey, however and wherever they choose to bank."
FF NEWS TAKE:
This announcement proves that modern account opening is no longer a "nice-to-have" but a critical survival tool for credit unions. The $400 million growth figure is a massive validation for Alkami and MANTL, showing that removing just a few minutes of friction can lead to nine-figure deposit gains. As liquidity remains a priority for FIs, this case study moves the needle by providing a clear blueprint for omnichannel growth strategies.
Frequently asked questions
How did Credit Union West achieve $400 million in deposit growth?
Credit Union West achieved $400 million in deposit growth by partnering with MANTL to implement a modern account opening strategy. This unified omnichannel approach streamlined retail and business onboarding across digital and physical branches, making it easier for members to open accounts and for the institution to capture new deposits rapidly.
How long does it take to open an account with MANTL technology?
Using MANTL's modern account opening technology, Credit Union West reduced retail account opening times to approximately five minutes. This efficiency applies across all channels, providing a seamless experience for both members and employees while significantly reducing the friction typically associated with traditional banking onboarding.
What are the operational benefits of automated account opening for credit unions?
Automated account opening provides significant operational benefits, including massive time savings. Credit Union West reported saving 3,753 staff hours in 2025 alone. These saved hours allow branch employees to focus on high-value tasks like building member relationships and cross-selling products rather than manual data entry.
About the companies
Callahan & Associates
Website · 1 story on FF News since 2026
Credit Union West
Website · 2 stories on FF News since 2024
Previously on FF News:
- MANTL Announces Business Deposit Origination for Credit Unions 25 September 2024
Companies in this story: Callahan & Associates, MANTL, Credit Union West
People in this story: Danielle Green, David Carlson, Valerie Kerner, Marla Pieton