Website Development
Professional websites built to convert — from Shopify to custom builds. Seasonal campaigns, landing pages, and e-commerce management.

A top-rated digital marketing company built for small businesses — website development, Google Ads, SEO, and social media management to fuel your growth and save you time.

Proven Results
Client Revenue Managed
Average Ad ROI
Single Client Impact
Startups Incubated
What We Do
As a top-rated digital marketing company for small businesses, we develop a deep understanding of your goals, then execute the strategies that make the greatest impact. Our passion is seeing your business grow.
Businesses between $250,000–$10,000,000 in annual sales are a great fit for our small business digital marketing services. We become your dedicated remote team — humans & AI agents doing the work so you don't have to.
Website Management
Shopify, Weebly, Wix, Webflow, custom
Paid Advertising
Google, Facebook, Instagram, TikTok
Email Marketing
Campaigns, automations, list growth
Social Media
Daily posts, engagement, growth
Reputation Mgmt
Google, Yelp, Facebook reviews
Business Strategy
Consulting, process, product mix
Google Reviews
Real results from real businesses across Marin County and beyond.
View all reviews on GoogleAlondra Magana
2 months ago
"I highly Recommend Sparkplug Marketing Consult. John and Arlon help me to set up and manage all my social media for two of my business Alondra's Flowers and Mi Tierra restaurant helping on bringing sales and more traffic to our websites. They were very consistent and super easy to communicate. We love working with them."
Shannon Ruhland
2 months ago
"We had a fantastic experience working with Sparkplug Marketing on our SEO strategy. From the start, John Rushworth took the time to understand our business, our goals, and our target audience. Their approach was data-driven, transparent, and incredibly well organized."
Chris Glenn
2 months ago
"We've had a great experience working with Rushworth Consulting. The team is not only knowledgeable and professional, but also genuinely very nice to work with. They're responsive, helpful, and make the whole process easy. Highly recommend!"
Julie Hingsbergen
2 months ago
"John and his team are great. Very easy to work with and they made a huge difference with traffic to my site."
RABBIT JUMPS & PARTY RENTALS LLC
2 months ago
"We have had the pleasure of working with this company and their services consistently exceed our expectations. Professional, responsible, and valuable overall. They deliver quality results in a timely manner and within budget. We highly recommend Sparkplug Marketing to any organization seeking reliable and effective services."
Invoices Received
2 months ago
"We have had a wonderful experience working with Sparkplug Marketing and appreciate their kindness and willing to help make our website and web sales a hit!"
Sparkplug · Custom Monthly Marketing
Every Sparkplug engagement is customized after a free intake call. Pricing is a starting point, not an off-the-shelf menu — we tailor the right monthly scope around your goals, industry, and what will make the greatest difference for your business.
Free Tool · Takes 2 Minutes
Find out your cost to get a customer, customer lifetime value, and how much revenue better marketing could add in the next 12 months.
Free estimates · No credit card · Email to view results
Hyper-Local Expertise
From Sausalito to Novato, from restaurants to contractors — we know the Marin County market and build campaigns that resonate with your exact customers.
Quick Answers
Local roots, remote reach, and marketing built around your business.
Try the free Growth CalculatorConsult Rushworth is a founder-led digital marketing agency based in Marin County, California. Founder John Rushworth leads strategy, supported by trusted specialists and AI agents.
Meet John RushworthWe work with small businesses in Marin County and the wider Bay Area, and serve businesses remotely across the United States.
Explore our locationsOur services include Google Ads management, SEO, website development and management, social media management, email marketing, and online reputation management.
See our servicesEvery Sparkplug engagement is tailored after a free intake call. Published prices are starting points, not fixed packages; the final monthly scope reflects your goals, industry, and business needs.
Explore Sparkplug starting pointsFree 30-Minute Review
Request a free online presence and business interview. We'll draft a custom plan — at no cost. You can even execute it yourself, or hire us to do it for you.