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First Business Financial Services vs First Internet Bancorp: FBIZ and INBK compared

First Business Financial Services is the larger company: $47.5M of revenue in its latest quarter (Q3 2026) against $43.9M for First Internet Bancorp (Q3 2026). First Internet Bancorp is growing faster (+670% against +7% a year earlier). First Business Financial Services is more profitable, with an operating margin of 41.0% against 11.5%.

First Business Financial Services vs First Internet Bancorp, latest quarterFirst Business Financial Services vs First Internet Bancorp, latest quarterFirst Business Financial Services (FBIZ)First Internet Bancorp (INBK)Revenue$47.5M$43.9MRevenue growth, Y/Y+7%+670%Operating margin41.0%11.5%Net margin34.9%11.0%Free cash flow$5.2M$29.4M

Where the money goes: FBIZ and INBK

First Business Financial Services (FBIZ) · Q3 2026

First Business Financial Services, Q3 2026: revenue $47.5M (+7% year over year), operating margin 41.0%, net earnings $16.6M, operating cash flow $5.5M. The chart follows the revenue to costs, profit and cash.

First Internet Bancorp (INBK) · Q3 2026

First Internet Bancorp, Q3 2026: revenue $43.9M (+670% year over year), operating margin 11.5%, net earnings $4.8M, operating cash flow $29.4M. The chart follows the revenue to costs, profit and cash.

First Business Financial Services revenue by segment, Q3 2026First Business Financial Services revenue by segment, Q3 2026Net interest income$39.1MNoninterest income$8.4M
First Internet Bancorp revenue by segment, Q3 2026First Internet Bancorp revenue by segment, Q3 2026Net interest income$34.7MNoninterest income$9.2M
First Business Financial Services (FBIZ)First Internet Bancorp (INBK)
Latest quarterQ3 2026Q3 2026
Revenue$47.5M$43.9M
Revenue growth, Y/Y+7%+670%
Operating margin41.0%11.5%
Net earnings$16.6M$4.8M
Net margin34.9%11.0%
Operating cash flow$5.5M$29.4M
Free cash flow$5.2M$29.4M

Where the revenue comes from

First Business Financial Services

First Internet Bancorp

Questions

Which is bigger, First Business Financial Services or First Internet Bancorp?

First Business Financial Services is the larger company: $47.5M of revenue in its latest quarter (Q3 2026) against $43.9M for First Internet Bancorp (Q3 2026).

Is First Business Financial Services or First Internet Bancorp growing faster?

First Internet Bancorp is growing faster (+670% against +7% a year earlier).

Which is more profitable, First Business Financial Services or First Internet Bancorp?

First Business Financial Services is more profitable, with an operating margin of 41.0% against 11.5%.

More: First Business Financial Services earnings · how First Business Financial Services makes money · First Internet Bancorp earnings · how First Internet Bancorp makes money

From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Oct 30, 2026; 10-Q filed Nov 4, 2026). Fiscal quarters can end on different dates. Not investment advice.