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Relationship Science (RelSci)
New York, New York, USA
What it is
Relationship Science (RelSci) helps organizations use their connections to influential decision makers for business development, fundraising, and other organizational goals. Its platform provides real-time intelligence on over 11 million decision makers and over 4.5 million organizations across public, private, financial, and nonprofit sectors. Path Finder maps possible connections among people, places, and lists. More than 50 search filters support target lists by industry, geography, role, company type, and cause, with relationship filtering for resulting lists. RelSci also offers 360° Alert emails about followed people and organizations, alongside donor and investor search, due diligence, and tools for finding people to meet while visiting a city. Salesforce integration and API delivery to proprietary enterprise applications are available. The API can provide relationship profiles, paths to target individuals, news, donor and client searches, and contact or organization deduplication. RelSci lists corporations, financial institutions, and nonprofits among its customers. Pricing is on request, and a 30-day trial is listed. The service is headquartered in New York, New York, USA.
For and against
For
- Coverage includes over 11 million decision makers.
- More than 50 filters help build target lists.
- Path Finder maps possible connections.
- Includes Salesforce integration and an API.
- 30-day trial is listed.
Against
- Pricing is on request.
- Older Exchange versions may not support OAuth for Radar.
The verdict
RelSci combines relationship mapping, search, alerts, and integrations for organizations working with influential people and institutions. Its pricing requires an inquiry, while the listed trial provides a way to evaluate access.
Who it suits
RelSci suits corporations, financial institutions, and nonprofits seeking relationship intelligence for business development, fundraising, or related goals. Its tools also address professional services, investment, wealth management, and higher education organizations.
Plans and prices
Radar
Pricing not stated; schedule a demo
Read 8 Oct 2026 · relsci.com
RelSci API
Pricing not stated; schedule a demo
Read 8 Oct 2026 · relsci.com
RelSci Platform
Pricing not stated; schedule a demo
Read 8 Oct 2026 · relsci.com
On the record
- Additional tools
- The platform includes tools for donor search, investor search, due diligence, and finding people to meet while visiting a city.public.relsci.com · read 7 Oct 2026
- Alerts
- RelSci clients can receive 360° alert emails about influential decision makers and organizations.relsci.com · read 8 Oct 2026
- API capabilities
- The RelSci API can provide relationship profiles, paths to target individuals, news articles, donor and client searches, and contact or organization deduplication.relsci.com · read 7 Oct 2026
- API coverage
- RelSci says most platform data is available through the API and that data points update as new information becomes available from its sources.relsci.com · read 8 Oct 2026
- API integration
- The API can bring RelSci profiles, paths, news and searches into a CRM or other proprietary system.relsci.com · read 8 Oct 2026
- API security
- RelSci says API traffic is encrypted in transit using current TLS standards, requests are authorized, and endpoints are protected by a web application firewall.relsci.com · read 8 Oct 2026
- Coverage
- RelSci says its platform provides real-time intelligence on over 11 million influential decision makers and over 4.5 million organizations across public, private, financial, and nonprofit sectors.public.relsci.com · read 7 Oct 2026
- Dataset
- RelSci says its research-driven dataset contains millions of profiles of influential people and organizations across business, finance, law, politics and the nonprofit sector.relsci.com · read 8 Oct 2026
- Data sourcing
- RelSci says it aggregates research-driven information from hundreds of publicly available sources and that user-generated content is unconfirmed.relsci.com · read 8 Oct 2026
- Integrations
- RelSci offers Salesforce integration and says its data can be delivered through an API to proprietary enterprise applications.relsci.com · read 7 Oct 2026
- Intended customers
- RelSci identifies corporations, financial institutions and nonprofits as customer groups, including professional services firms, investment banks, wealth managers, hedge funds, cause-based organizations and higher education institutions.relsci.com · read 8 Oct 2026
- Intended users
- RelSci identifies corporations, financial institutions, and nonprofits as customers, including firms in law, consulting, investment banking, private equity, wealth management, and higher education.relsci.com · read 7 Oct 2026
- Mobile access
- RelSci says users can access their accounts through iPad, iPhone, and Android apps.public.relsci.com · read 7 Oct 2026
- Mobile apps
- RelSci says users can access their accounts through iPad, iPhone and Android apps.public.relsci.com · read 8 Oct 2026
- Path Finder
- Path Finder maps possible connections between entities such as people, places and lists.relsci.com · read 8 Oct 2026
- Purpose
- RelSci helps organizations use connections to influential decision makers to support business development.relsci.com · read 8 Oct 2026
- Radar data handling
- RelSci says Radar uses scanned data to enhance the RelSci experience and does not share it with external third parties; data is shared with designated users at the customer organization.relsci.com · read 8 Oct 2026
- Radar integration
- Radar uses Microsoft Graph API to connect to Microsoft Exchange and analyzes email and calendar interactions to calculate relationship strengths.relsci.com · read 8 Oct 2026
The review
Relationship Science (RelSci) is a relationship-intelligence platform for organizations that need to find and reach influential people. It is best suited to corporations, financial institutions and nonprofits with business-development, fundraising or research needs. Its broad search and relationship tools are useful for coordinated outreach, but custom pricing puts it firmly in the enterprise-purchase category.
Overview
RelSci centers on a research-driven dataset covering more than 11 million decision makers and 4.5 million organizations across public, private, financial and nonprofit sectors. It aggregates information from hundreds of public sources; user-generated contributions are unconfirmed. That breadth can help teams identify prospects and conduct diligence, but a profile or suggested path should be treated as a starting point for assessment, not proof of a current connection.
Key features
Build and qualify target lists
More than 50 filters let users search by industry, geography, role, company type and cause, then refine results by relationship. This makes the service more useful than a directory when the objective is not only to find a decision maker but also to identify a possible route to that person. Path Finder maps possible connections among people, places and lists, giving teams a way to explore those routes.
Support outreach and research
360° Alert emails track influential people and organizations a user follows. Separate tools address donor and investor searches, due diligence and finding people to meet during a city visit. These functions suit teams with varied prospecting and research workflows; the breadth may be unnecessary for users who need only a contact list.
Connect team systems
RelSci offers a Salesforce app through AppExchange and can deliver data through an API to proprietary enterprise applications. The API can supply profiles, paths, news and searches, as well as contact or organization deduplication; RelSci says most platform data is available and updates as new source information arrives. Its stated safeguards include TLS encryption in transit, authorization for incoming requests and a web application firewall. These options can bring relationship intelligence into existing workflows, though the API route is most relevant to organizations able to integrate enterprise software.
Radar connects to Microsoft Exchange through Microsoft Graph API and supports OAuth and Basic authentication; older Exchange versions may not support OAuth. RelSci says Radar does not scan email bodies or attachments, and that scanned data is used to enhance the service and shared only with designated users at the customer's organization. It also says Radar data is encrypted at rest and in transit, passwords are one-way hashed, and Radar is GDPR and CCPA compliant.
Pricing
RelSci is paid, with custom pricing and a 30-day trial. The three named offerings—RelSci Platform, Radar and RelSci API—each require a demo to discuss pricing. Without published prices or seat and usage terms, organizations should request a quote that clarifies the package and access they need; the trial offers a defined period to evaluate the service.
- RelSci Platform: Custom pricing; schedule a demo. Its relationship mapping, search and alerts make it the central option for teams evaluating the broader platform.
- Radar: Custom pricing; schedule a demo. It is the relevant offering for organizations considering Exchange-connected relationship intelligence, with compatibility depending in part on Exchange version.
- RelSci API: Custom pricing; schedule a demo. It fits organizations seeking to bring RelSci data and functions into a CRM or proprietary system.
No cheaper published tier or free-plan cap is given, so buyers should compare quotes and confirm any seat, quota and renewal terms before committing.
Platforms
RelSci supports Android, iOS, web and API access. The company says accounts can be used through iPad, iPhone and Android apps, while the API supports organizational integration.
Who it's for
The clearest fit is an organization whose work depends on relationships with influential people and institutions: corporations, financial firms and nonprofits, including law and consulting practices, investment banks, private equity, wealth management, hedge funds and higher education. Shared team visibility and account engagement support coordinated work. Individuals or small teams seeking a low-cost networking tool are less likely to benefit from a custom-priced enterprise platform.
Pros and cons
- Pros: Broad coverage across people and organizations, with more than 50 filters and relationship-based refinement, gives research and outreach teams several ways to identify relevant prospects.
- Pros: Path Finder, alerts, donor and investor searches, and due-diligence tools address multiple organizational workflows rather than contact discovery alone.
- Pros: Salesforce and API options can connect RelSci data to existing team systems; Radar's stated limits on email scanning and data sharing may matter to organizations assessing privacy.
- Cons: Custom pricing across all named plans makes cost comparison difficult without a demo and an organization-specific quote.
- Cons: User-generated content is unconfirmed, so teams need to assess it rather than assume every contribution is verified.
- Cons: Radar's OAuth support may not extend to older Exchange versions, which can complicate deployment for organizations on legacy systems.
Alternatives
For a broader comparison, see Relationship Intelligence Software.
- Connect The Dots is the alternative to consider for a free plan, with monthly caps on AI contact searches, ghost emails, lists and summaries.
- Happenstance suits readers who want a free entry point with unlimited connected accounts, friends and groups, subject to usage limits in Happenstance Chat.
- ExecAtlas is another paid option for readers considering an Equilar executive-intelligence product.
- 4Degrees may suit teams seeking a paid subscription priced by request and by organization and team.
- BoardEx is another enterprise option whose cost depends on products, organization size, data access method and license term.
- Affinity is worth considering for teams that want a published annual per-user price and features including email and calendar activity capture, relationship scoring and firmwide interaction history.
- RelPro is a paid alternative for readers considering a Premium tier with additional business and government data categories.
- Introd is a freemium alternative with paid Microsoft and Google add-ons for syncing email, contacts and calendars.
Verdict
RelSci is a strong fit for organizations that need a shared view of influential people, potential introductions and prospect research across multiple workflows. Its breadth, relationship filtering and integration options are the main reasons to choose it. Look elsewhere if you need transparent pricing, a low-cost individual plan or confidence that user-submitted information is verified.