The AgencyHabits Podcast

Growing from single-project engagements to managing multiple, concurrent work streams is a major turning point for any agency. In this episode, hosts Peter Kang and Sei-Wook Kim unpack the structural shift required to turn this complexity into a sustainable competitive advantage. Drawing from their own hard-earned lessons at Barrel, they dissect the common pitfalls like team silos, client misalign...

In this episode, Peter Kang and Sei-Wook Kim break down how agency owners should think about risk, not as isolated problems to react to, but as ongoing exposure that needs to be actively managed. Using a simple risk matrix, they explain how to prioritize risks based on likelihood and impact, and why high-impact risks deserve disproportionate attention. They then walk through nine of the most conse...

Great agencies are not built in isolation. In this episode, Peter Kang and Sei-Wook Kim explore the transformative power of community and peer learning for agency founders. The hosts share their personal journey from working in a silo to actively seeking mentorship and joining dedicated communities, revealing how these connections helped them avoid blind spots, gain crucial perspective, and accele...

Most agencies say they rely on referrals, but few treat them as a system. In this episode, Peter Kang and Sei-Wook Kim dismantle the "hope-based" approach to referrals and lay out a strategic framework for building a consistent pipeline. Drawing from the book The Referral Code, they redefine referrals as a transfer of goodwill and share actionable tactics for intentional referral generation. Peter...

Profitability is the lifeblood of any agency, yet it can feel elusive. In this episode, Peter Kang and Sei-Wook Kim move beyond surface-level tips to reveal the six fundamental levers that directly impact the bottom line of every project, retainer, and service program. They break down how pricing, staffing, engagement design, scope management, reusable IP, and automation all interlock to create or...

In this episode, Peter Kang and Sei-Wook Kim dissect why agencies hit the $2M and what you can do to break through. They explain how founder-centric systems that work at a smaller scale become the primary constraint to growth, leading to breakdowns in client delivery, team management, and financial visibility. The hosts share actionable solutions, from improving onboarding and implementing debrief...

In this episode, hosts Peter Kang and Sei-Wook Kim tackle a common agency pitfall: treating marketing as a short-term, reactive effort only when leads dry up. They argue for a fundamental mindset shift, framing marketing as a long-term investment in reputation and awareness, similar to the compounding benefits of consistent exercise. Peter and Sei-Wook first outline the "basics" of agency marketin...

Holding on to the wrong clients can stunt your agency's growth, drain your team's morale, and cripple your profitability. This statement holds value for agency owners who are overwhelmed by client demands, feel trapped by early, problematic clients, or are struggling to focus their service offerings for maximum impact. In this episode, Peter Kang and Sei-Wook Kim tackle the difficult but essential...

Profit on paper doesn't pay the bills. Learn the best practices for designing payment terms and invoicing cadences to create a smooth, predictable cash flow. In this episode, Peter Kang and Sei-Wook Kim tackle one of the most critical yet misunderstood aspects of running an agency: cash flow management. They break down the dangerous gap between your P&L's accrual-based profitability and the real m...

Is your agency a "jack-of-all-trades, master of none"? In this episode, hosts Peter Kang and Sei-Wook Kim dive deep into the transformative power of agency specialization. They break down the critical difference between internal specialization and external positioning, and reveal why narrowing your focus is the ultimate growth accelerator for agencies under $10M in revenue. Peter and Sei-Wook shar...

Agency profitability isn't always what it seems. In this episode, Peter Kang and Sei-Wook Kim break down how to really evaluate your agency's profit. The hosts also talks about why two agencies reporting the same margins can mean totally different things. They unpack the difference between EBITDA (Earnings Before Interest, Taxes, Depreciation, and Amortization) and SDE (Seller's Discretionary Earn...

In this episode, hosts Peter Kang and Sei-Wook Kim break down the complex landscape of agency acquirers. They map out the six primary types of buyers, from individual entrepreneurs to massive strategic networks, explaining the distinct motivations, financial structures, and long-term goals for each. Peter and Sei-Wook provide a clear-eyed view of what it's like to sell to each buyer type, covering...

In this episode, hosts Peter Kang and Sei-Wook Kim pull back the curtain on one of their most significant career transitions: stepping away from the day-to-day leadership of their first agency, Barrel, without selling the business. They define this strategic move as a "role exit" which is a path less discussed but highly relevant for founder-led businesses. Peter and Sei-Wook share the multi-year...

In this episode, hosts Peter Kang and Sei-Wook Kim dive into the practicalities of building a partnerships program for resource-constrained agencies. They argue that you don't need a dedicated partnerships team to start seeing significant benefits from strategic alliances. Peter and Sei-Wook outline a step-by-step, lightweight approach to identifying the right partners, from complementary agencies...

In this episode, hosts Peter Kang and Sei-Wook Kim cut through the noise of data overload to share the essential metrics every agency should track. Moving beyond fancy dashboards, they break down the handful of key performance indicators (KPIs) that truly drive informed decision-making at their portfolio agencies under Barrel Holdings. Peter and Sei-Wook explain the critical difference between lag...

In this episode, hosts Peter Kang and Sei-Wook Kim dive deep into one of the most painful but inevitable aspects of running an agency: client churn. Drawing from decades of experience building and scaling agencies, they break down the most common reasons clients leave—from poor onboarding and missed deadlines to unresponsive communication and misaligned expectations. Peter and Sei-Wook share candi...

In this episode, hosts Peter Kang and Sei-Wook Kim pull back the curtain on one of the most critical yet often overlooked aspects of scaling an agency: organizational design. Starting from their own early days as a flat, "all-hands-on-deck" team, they trace the evolution of their org chart at Barrel as they grew, specialized roles, and built departments. Peter and Sei-Wook discuss the telltale sig...

In this episode, hosts Peter Kang and Sei-Wook Kim dive into one of the most challenging but necessary decisions agency leaders face: when and how to let go of clients. As agencies grow, not every client remains a good fit. Peter and Sei-Wook break down the key factors to consider when evaluating your client roster, from strategic alignment and profitability to relationship quality and payment beh...

In this episode, hosts Peter Kang and Sei-Wook Kim dive into the core habits that have driven their agencies' success over the years. From structured team reviews and client communications to proactive outreach and financial discipline, they break down 10 essential routines (plus a few bonus ones) that help agencies improve continuously, stay aligned, and grow sustainably. Peter and Sei-Wook share...

In this episode, hosts Peter Kang and Sei-Wook Kim talk about the critical yet often overlooked topic of cashflow management for agencies. They share lessons on balancing profitability with liquidity, designing client contracts to align cash inflows with outflows, and determining the right amount of cash reserves to weather uncertainties. From the pitfalls of 50/50 payment structures to the advant...

In this episode, hosts Peter Kang and Sei-Wook Kim take listeners on a journey back to their agency's origins, sharing hard-won insights about building a business from scratch with limited connections and resources. They explore the strategies that helped them jumpstart Barrel 19 years ago, from leveraging personal networks to building lasting client relationships that compound over time. The conv...

In this episode, Peter Kang and Sei-Wook Kim dive deep into agency specialization and how narrowing focus has become a key driver of growth across their Barrel Holdings portfolio. From the evolution of Barrel's journey from generalist to CPG eCommerce specialists, to the strategic positioning of BX Studio as Webflow experts, they share practical insights on when and how to specialize. They explore...

In this episode, Peter Kang and Sei-Wook Kim tackle one of the most confusing aspects of agency financials: how to properly calculate profitability. They break down the critical difference between SDE (Seller's Discretionary Earnings) and EBITDA, explaining why these metrics can paint vastly different pictures of the same business. Using concrete examples and spreadsheet walkthroughs, they demonst...

In this episode of Agency Habits, Peter Kang interviews Sei-Wook Kim on the inner workings of agency acquisitions and valuations at Barrel Holdings. They break down the exact criteria they use when evaluating whether to acquire an agency and explain the logic behind their valuation framework: what increases the price, what brings it down, and how seller goals shape the final deal. If you're buildi...

In this inaugural episode, Peter Kang and Sei-Wook Kim share the unfiltered origin story behind Barrel Holdings. From their humble beginnings building table-based websites in college to growing a multi-agency portfolio serving CPG brands, startups, and enterprise clients, this conversation charts nearly two decades of lessons in agency building, client service, and entrepreneurial evolution. They...