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Common Thread Collective

Your ecommerce profit partner.
https://commonthreadco.com/
Location

Costa Mesa, California, United States

Employees

51-200

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Overview

Common Thread Collective (CTC) was founded in 2012 by Taylor Holiday in Costa Mesa, California, with a remote-first team of more than 150 operators serving DTC ecommerce brands. The agency positions itself as a profit partner rather than a media-buying vendor, building an operating system designed to plan and execute the daily actions that drive profitable growth rather than reporting on top-line revenue or ROAS in isolation. The flagship offering is the Prophit Engine, a hybrid software-and-service product that consolidates forecasting, media buying, and strategy into a single role called the Prophit Engineer, supported by proprietary software for forecasting, contribution margin tracking, and incrementality testing. CTC reports more than $3 billion in profitable growth engineered for clients, with the Prophit Engine specifically delivering 3% forecast-to-target accuracy, +33% YoY revenue growth, and +42% YoY contribution margin growth across its current client set. A strategic partnership with The Acacia Group was announced in July 2025. Client work spans Theragun, Liquid Death, ColourPop, Native, Girlfriend Collective, APL, Born Primitive, Buffy, Igloo, Love Wellness, Olukai, Travis Matthew, Loft, Ann Taylor, and Nike Strength.

Services

Meta Ad Buying is one of CTC’s two foundational acquisition services and is structured to operate against forecasting and contribution margin targets rather than against in-platform ROAS alone. Campaigns are built around the agency’s own merchandising frameworks for ad accounts, with creative produced by the in-house Ad Creative team and incrementality testing layered underneath to validate where Meta drives net-new revenue versus capturing demand that would have converted anyway. Google Ad Buying runs in parallel and covers paid search, Performance Max, Google Shopping, YouTube, and Display, with the same forecast-and-margin discipline applied. Both channels are delivered inside the Prophit Engine wrapper, where a single Prophit Engineer holds the P&L view across media, creative, and strategy rather than handing budget decisions across siloed channel specialists.

Industries

Fashion and apparel is the agency’s most documented vertical, spanning premium contemporary, activewear and athleisure, golf and lifestyle, and athletic footwear, anchored by names like Ann Taylor, Loft, Girlfriend Collective, APL, Olukai, and Travis Matthew. Sporting goods and outdoor fitness sits close behind, with the profit-focused playbook applied to recovery hardware, resistance training, and outdoor equipment categories that typically carry seasonality and higher AOVs. Health and beauty engagements cover cosmetics, skincare, and personal care, where in-house creative production paired with incrementality testing tends to drive most of the acquisition gains given the saturated media inventory in those categories.

Top Case Studies

Common Thread Collective case study for '47 brand
Common Thread Collective case study for Igloo
Common Thread Collective case study for Love Wellness

FAQ

What is the Prophit Engine and how does it differ from a traditional agency engagement?
The Prophit Engine combines proprietary software with a single dedicated operator (the Prophit Engineer) who owns forecasting, media buying, and growth strategy as one job rather than splitting those functions across three agency roles. CTC’s argument is that information gets lost every time data passes between forecasting, media buying, and strategy operators. The Prophit Engine wraps all three into one role with software underneath, which is how the agency reports 3% forecast-to-target accuracy across the client set.
The Prophit Engine combines proprietary software with a single dedicated operator (the Prophit Engineer) who owns forecasting, media buying, and growth strategy as one job rather than splitting those functions across three agency roles. CTC’s argument is that information gets lost every time data passes between forecasting, media buying, and strategy operators. The Prophit Engine wraps all three into one role with software underneath, which is how the agency reports 3% forecast-to-target accuracy across the client set.
The Prophit Engine combines proprietary software with a single dedicated operator (the Prophit Engineer) who owns forecasting, media buying, and growth strategy as one job rather than splitting those functions across three agency roles. CTC’s argument is that information gets lost every time data passes between forecasting, media buying, and strategy operators. The Prophit Engine wraps all three into one role with software underneath, which is how the agency reports 3% forecast-to-target accuracy across the client set.
Ad Creative is run as a dedicated production team supporting Meta and Google buying, covering concepting, scripting, UGC sourcing, motion design, static and video production, and creative iteration based on what the Prophit Engineer sees in the account. The agency frames creative as a forecast input rather than a separate deliverable, so new creative gets briefed off the performance data and margin goals the Prophit Engine is tracking.
The named acquisition services at CTC are Meta Ad Buying and Google Ad Buying, with Ad Creative and Incrementality wrapping around both. Other channels (TikTok, Amazon, email, organic, influencer) are typically handled through the broader Growth Strategy advisory layer or through partner agencies recommended by the Prophit Engineer, rather than as in-house service lines at CTC.
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