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Established in 1988 in London as Hotlines Telemarketing Ltd, the Glasgow branch (which was established in June 2000) rebranded as 1Call Direct in October 2003. We are a “Top of the League” acquisition / sales outsourcer that exceeds customer targets, reduces risk and drives exceptional return on investment for clients in many sectors.

1Call Direct Questions

The 1Call Direct annual revenue was $56.6 million in 2026.

21 people are employed at 1Call Direct.

The NAICS codes for 1Call Direct are [8121, 81, 812, 812112, 81211].

The SIC codes for 1Call Direct are [72, 723].

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