Updated August 2026
Leadium logoLeadium | Cold email in United States
About Leadium
B2B sales development agency specializing in outbound prospecting, lead research, appointment setting and dedicated SDR services for growing companies.
Services listed
Publicly listed services for Leadium in this directory:
Who this listing is for
B2B founders, sales leaders, and marketers comparing outbound agencies in United States — especially teams evaluating cold email, or considering ScaliQ as in-house LinkedIn outreach software instead of outsourcing.
Agency vs ScaliQ
LeadiumOutsourced prospecting and booking, run by an external team.
ScaliQPersonalized LinkedIn outreach, follow-ups, and replies from your own accounts.
Leadium is a managed outbound agency, while ScaliQ provides AI software that enables businesses to automate and scale prospecting internally.
Alternatives and similar agencies
Other directory listings that may fit a similar outbound brief. Not a ranking — compare profiles and public contact links.
Belkins logoBelkins
United States
B2B appointment-setting and revenue growth agency delivering outbound sales, lead generation and SDR services for companies worldwide.
SalesHive logoSalesHive
United States
B2B sales agency providing outsourced SDR teams, cold email campaigns, appointment setting and sales development supported by proprietary technology.
CIENCE Technologies logoCIENCE Technologies
United States
Managed GTM execution company combining AI, audience data, SDR teams and outbound campaigns to generate qualified pipeline for B2B companies.
Looking for an alternative to hiring a lead generation agency?
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LinkedIn outreach, follow-ups, and reply handling directly from your account.
Or browse the full agency directory · LinkedIn outreach tools.