We’re a strategy firm with a service offering that enables action.


Brand Strategy

We believe powerful brands are built by thoughtfully designing each element of the customer journey.

  • Positioning and Messaging

  • Vision and Mission

  • Customer Research

  • Competitive Landscape Analysis


User Experience

At Part and Sum, UX is fundamental to our entire approach. We apply a customer-centric view to understand how your brand or product is experienced in the real world.

  • Service Blueprints

  • Wireframes and User Flows

  • Site Optimizations

  • Persona Development



We know amazing things can happen when you fill a room with smart people, data and activities. From finding a big idea to cementing the well-established, we provide the workshops that get your team there.


Marketing Strategy

We take a lean, data-driven approach to marketing strategy. By putting things in market quickly, we can help you learn, iterate and grow.

  • Marketing Experiment Design

  • Communications and Messaging

  • Creative Briefs

  • Social Media / Influencer / Content / Editorial / Campaign Strategies

  • SEO Audits and Recommendations

  • Loyalty Program Design

  • Marketing Execution Orchestration


Marketing Technology and Tools

The tech landscape is constantly changing. It’s our job to 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.

  • E-commerce Platforms

  • Email Marketing Services

  • Data Management and Analytics

  • Programmatic and Display Ad Tech

  • Retargeting / Referral / Affiliate Tools


Paid Media and Measurement

Data creates essential feedback loops that drive effective strategy. We’ll help you design, manage and optimize campaigns to learn and adapt in real-time.

  • Paid Media Planning and Buying

  • Data Management and Dashboard Design

  • A/B Testing

  • Search Engine Marketing (SEM)



How We Do It



Ongoing fact-based strategy and execution support driven by seasoned practitioners who are focused on building your business.

  • We’re your dedicated partner; using performance marketing to crack innovative new businesses and growth.

  • Month-to-month - cancel anytime (with 30-day notice). 

  • Discovery phase quickly moves into system implementation and iteration based on performance.

  • Quarterly strategy workshops. 

  • Ongoing delivery on top-priority marketing needs.

  • Monthly pairing sessions - we sit with your team to execute on goals. For example, a single session might accomplish an automated email system, ship a comms plan or teach your team a new tool.



Quick, focused problem solving.

  • 2 to 12-week engagement.

  • We’ll take a deep dive into a specific challenge.

  • For example, we can help you prepare for an important event, craft the positioning for a new market or get your team focused and excited about the best path forward.