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Interbill is a complete attorney billing software and service solution with robust security and confidentiality features. Please call us 800.733.9933.
Last updated
In 2024, Interbill Corporation's revenue reached $2.7M. The company previously reported $1.6M in 2023. Since its launch in 1972, Interbill Corporation has shown consistent revenue growth.
Interbill Corporation is a bootstrapped Legal Billing Software startup. Founded in 1972, Interbill Corporation has grown to $2.7M in revenue without raising any venture capital or outside funding.
As a self-funded Legal Billing Software SaaS company, Interbill Corporation has built its business with no outside investment.
| Year | Round | Amount | Valuation | % Sold | Source |
|---|
CEO
Phil Paisley is currently President of Interbill Corp, headquartered in Rohnert Park Ca. Interbill is a national billing company. Mr. Paisley was a founder of WordStar then called MicroPro which went public in 1982. Paisley has started several current web based ventures including, meetsauce.com and searchforme.com. Following public positions held: Current term - Marin Sonoma Mosquito-Vector Disease Control Board; California Commission on Workers Compensation Reform under the administrations of Governors George Deukmejian and Pete Wilson; Commissioner - Marin County Parks and Open Space 1997 - 2008. Paisley has lectured at California State University, School of Business on Web entrepreneurial opportunities. Served in the US Air Force for 7 years leaving as a Captain with 3 commendations. He is a graduate of the UC Santa Barbara with post graduate work.
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Interbill Corporation serves 1.8K customers.
Interbill Corporation employs approximately 9 people as of 2026, including 2 sales reps that carry a quota. It serves 1.8K customers that rely on its solutions.
Interbill Corporation generates an estimated $2.7M in annual revenue.
Interbill Corporation was founded by Philip Paisley.
The CEO of Interbill Corporation is Philip Paisley.
Interbill Corporation is bootstrapped and has not raised outside funding.
Interbill Corporation has 9 employees.
Interbill Corporation is headquartered in Rohnert Park, California, United States.
Interbill Corporation operates across multiple industries. Browse revenue, funding, and growth data for Interbill Corporation in each sector below.
All figures on this page are taken directly from interviews or are estimates from public sources and proprietary models. Not financial advice. Read full disclaimer.
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2024 Revenue
$2.7M(Est.)
Customers
1.8K
Funding
$0
Avg ACV
$1.5K
Team
9
Founded
1972
| Year | Milestone | Source |
|---|---|---|
| 2024 | Interbill Corporation Hit $2.7m revenue in October 2024 | Estimated |
| 2023 | Interbill Corporation Hit $1.6m revenue in October 2023 | Estimated |
| 2021 | Interbill Corporation Hit $1.2m revenue in April 2021 | |
| 1972 | Launched with $0 revenue |
| Year | Milestone | Source |
|---|---|---|
| 2024 | Reached 9 employees (October 2024) | |
| 2023 | Reached 9 employees (October 2023) | |
| 2022 | Reached 8 employees (October 2022) | |
| 2021 | Reached 8 employees (December 2021) | |
| 2021 | Reached 14 employees (April 2021) |
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