Sierra Interactive
The most powerful end-to-end real estate platform available with IDX websites, back-end CRM and lead gen services.
66 employees · est. 2007 · Louisville, United States
Sierra Interactive is the older company (2009 vs 2007); Altisource is the larger of the two.
Side-by-Side Comparison
| Metric | Altisource | Sierra Interactive |
|---|---|---|
| Founded | ||
| Founded | 2009 | 2007 older |
| Headquarters | ||
| Headquarters | Luxembourg | Louisville, United States |
| Employees | ||
| Employees | 2676 larger | 66 |
| Industry | ||
| Industry | Financial Services, Marketplaces, Real Estate | Productivity, Real Estate, CRM and Sales |
| Funding Stage | ||
| Funding Stage | IPO | Not tracked yet |
| Total Funding | ||
| Total Funding | $17.50M | Not tracked yet |
| Funding Rounds | ||
| Funding Rounds | 3 | Not tracked yet |
| Services | ||
| Services | Mortgage Fulfillment, Online Auction Marketing, REO Lifecycle Management, Short Sales, Title and Settlement Services, Appraisals and Valuations, Vendor Oversight, Risk Management | Not tracked yet |
| Target Customers | ||
| Target Customers | Mortgage Lenders, Real Estate Investors, Servicers, Credit Unions, Banks, Institutional Clients | Not tracked yet |
| Taxonomy | ||
| Taxonomy | Integrated Service Provider, Real Estate Industry, Mortgage Industry, Operational Excellence, Innovative Products, Global Services, Sub-prime Servicing, Government Agency Services, Lender Services, Servicer Solutions, Origination Solutions, Real Estate Investor Solutions, Consumer Real Estate Solutions, Hedge Fund Solutions | Real Estate Software, IDX Websites, CRM Solutions, Lead Generation Services, Real Estate Technology, Real Estate Marketing, Remote Workforce, Residential Real Estate, Business Solutions, Real Estate Industry, Agent Tools, Broker Services |
| Website | ||
| Website | altisource.com | sierrainteractive.com |
About Altisource
Altisource Portfolio Solutions S.A. (NASDAQ: ASPS), also known by its slogan "Your One Source," serves as an essential integrated service provider and marketplace within the real estate and mortgage industries. Since its inception in 2009, the company, headquartered in Luxembourg, has consistently...
About Sierra Interactive
Sierra Interactive, with the slogan "The most powerful end-to-end real estate platform available with IDX websites, back-end CRM and lead gen services, specializes in developing residential real estate software and services for agents, teams, and brokers in the U.S. and Canada. Established in 2007,...
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Funding, hiring, leadership and stack changes at Altisource and Sierra Interactive — by email.
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Compiled from the BounceWatch company index. We last looked at Altisource on 17 Mar 2026, and Sierra Interactive on 19 Nov 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.