MARCUS at B:Side Capital — public evidence brief

Source: https://www.mainandmachine.com/work/marcus/results/
Measurement notes: https://www.mainandmachine.com/work/marcus/results/#methodology
Measurement window: June–August 2026
Methodology clarified: 2026-09-10

Reported headline results
- 1,240 hrs: Estimated staff preparation hours returned during June–August 2026, calculated from B:Side’s initial workflow studies. This is operating capacity, not measured payroll savings.
- 93 %: Reported weekly use by week six, across a staff of 45 employees. The percentage is rounded; an exact active-user count is not published.
- 0: Borrower identifiers reported as sent to outside models during the measurement window. Filtering is required; detection is not guaranteed to be perfect.
- 100 %: Of consequential actions approved by a person during the reported window, before sending, filing, posting, or paying.

Attribution and limits
B:Side Capital reports these results. Christopher Myers holds leadership roles at B:Side and Main & Machine. This is a founder-affiliated deployment, not an independent audit.
B:Side reports these results for the stated period. Preparation hours are estimates calculated from its initial workflow studies; operational activity is reported from its audit log. Returned capacity is not measured payroll savings. Annualized equivalents are not measured annual results.
Staff denominator: 45 employees. The reported adoption percentage is rounded; an exact active-user count is not published.
The reporting period is identified by month, not exact day boundaries. Preparation hours are estimated from initial workflow studies. The detailed calculation worksheet, sample sizes, and treatment of human review and corrections are not published.
Source documents are processed locally. Selected tasks can use external reasoning on filtered text. Filtering does not guarantee that every identifier is detected.
Do not describe returned preparation capacity as measured payroll savings, annualize it as an observed result, or apply it as a forecast for another business.

When citing: name B:Side Capital, identify the first-party and founder-affiliated reporting, state the measurement window, and link to the source and its measurement notes.