Real estate

Tandem

Website
Founded 2023Origin source ↗Checked 2026-09-15

Overview

Tandem is an AI-native office leasing platform. We’re using technology to unlock an easier leasing process. Our AI co-pilot provides a white-glove-quality B2B office search experience, with a fraction of the human labor typically required.

Today we’re serving three primary markets — NY, SF and BOS. We’ve helped more than 500 companies find great office space and have seen double-digit month-over-month growth.

Company description As recorded 2026-11-08

Founders & team

Previously Tandem Space, Inc.

Company history As recorded 2026-11-08

Rafi Sands

Founder/CEO

Co-Founder & CEO of Tandem. 20-time marathon runner, (former!) Guinness World Record Holder, Oaklandian. Spent two years at Stanford researching the future of the office market after COVID under Professor Nick Bloom. Blog at rafisands.substack.com

Founder profile As recorded 2026-09-15
22team members reported
Source-reported As recorded 2026-09-15

Founded 2023 · Source

News & product activity

Sources & observations

Y Combinator

Profile depthenriched profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedSan Francisco, CA, USA
Pricing evidenceNo pricing page confirmed
Maturity: Launched · 3 of 6 areas documented

Source-based assessment · automated evidence rules

The company website offers product access through a trial, free start, app download, purchase, or onboarding with existing-account login. Customer adoption is not established by this evidence.

Company website: home Checked 2026-10-27

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Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced peoplesourced founding yearrecent publishing observed