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Find your path to sustainable growth

Our Approach

Getting ahead

We’re always experimenting with new technologies, discovering stories in data, and using what we learn to prepare you for the future as it happens.

Incentive alignment

Our incentive structures are aligned with yours, and we’re completely transparent.

Full-funnel thinking

We apply our thinking across the entire customer journey, from performance media to organic media and owned channels.

Constant iteration

Our focus is long-term growth, not just one-off wins. We use data to weed out underperforming assets, optimize the best ideas, and build on what’s working.

Building capabilities

Growth opportunities are learning opportunities, too. We help develop your internal capabilities and in-house expertise when it makes sense to do so.

Part and Sum's approach to full-funnel thinking

Case Studies

Case study: Apiece Apart - Designed and facilitated quarterly growth strategy workshops.
Apiece Apart's website
Apiece Apart's website
Apiece Apart's mobile website
Go to the next slide of Part and Sum case study
Part and Sum - Facilitated an innovation sprint for Lunarly. Goal to make plant care relevant to young woman.
Lunarly - social media messaging on Instagram.
Lunarly, a subscription box focused on the lunar calendar and intention setting
Lunarly moon cards - Product Innovation for Scott's Miracle Gro
Case study: Pink Chicken - Designing Growth Strategy.
Part and Sum facilitated quarterly growth strategy sprint with the goal of growing their DTC business.
Part and Sum facilitated quarterly growth strategy sprint with the goal of growing their DTC business.
Part and Sum facilitated quarterly growth strategy sprint with the goal of growing their DTC business.

Growth Services

Get ongoing, full-service growth management and tech planning that delivers consistent results. Our growth retainer ensures that your roadmap is tailored to your business goals and keeps your team on track. You’ll be assigned a dedicated Strategist and a bench of Growth Marketers to support planning and execution.

Part and Sum's Growth Retainer process

Media Strategy and Management

We design, manage, and optimize campaigns, gather data, and adjust in real time.

  • Paid media planning and buying on all platforms
  • Audience building, sizing, and targeting
  • Search engine marketing
  • Search engine optimization
  • Affiliate marketing management

Data and Analytics

Data creates feedback loops that are essential for effective strategy. We’ll integrate, analyze, and report to get insights from your data.

  • Data management
  • Campaign reporting and insights
  • Dashboard design

Commerce Technology and Tools Recommendations

We keep up with the latest trends, tools, and platforms so we can make the best recommendations for your business. Also, we really like trying new stuff.

  • Ecommerce platforms
  • Conversion rate optimization and A/B testing
  • Email marketing services
  • B2B marketing tools and platforms

Creative and Development Services

We don’t produce creative or keep developers on staff. Instead, we partner with your team. Don’t have a team? Everyone too busy? No problem. We have a network of talented partners who can be briefed for the projects that match their skills.

Our Platform Expertise

Paid Media



Facebook, Instagram, Snapchat, TikTok, Pinterest, Twitter, Linkedin, Yelp


Out of Home



Earned and Owned Media


Content Marketing

CRM + Email Marketing

User Experience Design

Conversion Rate Optimization

ADA Compliance

Data and Research

Attribution and Analytics

Data Visualization

Python / R

Financial Modeling

Predictive Modeling


eCommerce Platforms
Shopify, Big Commerce, Magento, SAP

Walmart, Amazon, Etsy

Ready to Innovate?

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