Agencies for mid-size businesses in California – page 3

56 agencies with an office in California take on mid-size businesses as clients, ordered by Rankyfy Score: client reviews, measured search visibility, portfolio, responsiveness and credentials. The order is never for sale and sponsored placements do not exist on this page. How we rank

All 56 agencies

Client size comes from the agency's profile; when none is set, the team size implies it (1–9 people serve small businesses, 250+ serve mid-size and enterprise clients).

Rank 51 Compare

Yael Consulting (opens in a new tab)

No verified reviews yet

Location: Los Angeles, California, United States

Unclaimed

21

Why #51: No reviews yet

Yael Consulting is a Los Angeles, California agency that concentrates entirely on PPC, the only service in its listing. It has a team of 10–49 people. The minimum project size is $5,000, while hourly rates are not disclosed, so prospective clients will need to ask for a quote. It suits Los Angeles businesses and other US advertisers that want a mid-sized consultancy devoted to pay-per-click campaign management.

Reviews0/40

Visibility19/25

Portfolio0/15

Response2/10

Credentials0/10

Services

PPC

Industries

Not provided

Budget

Any

Team
10–49 people

12-month organic trend
8,560 to 14,990 visits, measured by Rankyfy

21 Rankyfy Score
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Rank 52 Compare

RSO Consulting (opens in a new tab)

No verified reviews yet

Location: San Francisco, California, United States

Unclaimed

20.9

Why #52: No reviews yet

Data guiding decisions is the founding idea behind RSO Consulting, a San Francisco digital marketing agency. Its declared work is split almost equally between SEO, PPC and social media marketing, and its own service list adds AI search optimization, Google Analytics and tag management, content strategy and optimization, and digital strategy consulting. The agency describes working closely with organizations across many industries, shaping campaigns around each client's goals, budget and timeline, and using analytics and market research to keep adjusting them over time. It says it works with everyone from startups building an online presence for the first time to larger enterprises trying to get more from their existing digital spend. RSO Consulting states that it is a Google Partner and emphasizes clear communication and white-hat SEO practices, which may appeal to companies wary of shortcuts that risk search penalties. The team falls in the 10 to 49 person band. Projects start at $5,000, and hourly rates range from $100 to $149. RSO Consulting suits businesses looking for a San Francisco SEO and PPC agency that can also set up proper analytics and tag management, so that search and paid campaigns are measured on reliable data from the start.

Reviews0/40

Visibility19/25

Portfolio0/15

Response2/10

Credentials0/10

Services

SEO,Social Media Marketing, +1

Industries

Not provided

Budget

Starting from $100/hr

From
$100/hr

Hourly
$100/hr

Team
10–49 people

12-month organic trend
17,460 to 20,080 visits, measured by Rankyfy

20.9 Rankyfy Score

From$100/hr $100/hr
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Rank 53 Compare

Storm Brain (opens in a new tab)

No verified reviews yet

Location: Carlsbad, California, United States

Unclaimed

20.7

Why #53: No reviews yet

Carlsbad, California is the headquarters of Storm Brain, a full-service digital agency in the 50 to 249 range that says it also has offices in Los Angeles, San Diego, Orange County, Miami and New York. Its declared work is split across SEO, web design and PPC, with search slightly ahead. The agency serves B2B firms, direct-to-consumer online retailers, and mid-sized to enterprise companies. It covers brand strategy and creative design, UI and UX, custom WordPress development, Shopify and Shopify Plus builds, SEO, answer engine and generative engine optimisation, and performance marketing through Google Ads, Meta, LinkedIn, email and content. It also provides website maintenance and support. Storm Brain describes acting as an extension of the client's team from launch onward, with campaigns measured on revenue and leads, and websites built both to rank in Google and to be cited by AI assistants. Industries it lists include healthcare and biotech, B2B SaaS, financial services, ecommerce, real estate, manufacturing, education, entertainment and nonprofits. Projects start at around $10,000 and hourly rates are $150 to $199. It suits established brands looking for a web design and SEO agency in Southern California that can handle branding, Shopify or WordPress builds and ongoing marketing.

Reviews0/40

Visibility19/25

Portfolio0/15

Response2/10

Credentials0/10

Services

SEO,Web Design, +1

Industries

Not provided

Budget

Starting from $150/hr

From
$150/hr

Hourly
$150/hr

Team
50–249 people

12-month organic trend
17,930 to 32,820 visits, measured by Rankyfy

20.7 Rankyfy Score

From$150/hr $150/hr
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Rank 54 Compare

Secret Sushi, Inc (opens in a new tab)

No verified reviews yet

Location: San Francisco, California, United States

Unclaimed

20.5

Why #54: No reviews yet

San Francisco agency Secret Sushi, Inc offers an evenly balanced set of services: PPC, digital marketing, content marketing, social media marketing and SEO each account for an equal share of its work. Rather than leaning on a single channel, it covers both paid and organic routes to an audience, along with the content that supports them. The agency has between 10 and 49 people. Its minimum project size is $5,000 and hourly rates range from $150 to $199, a mid-to-upper price point. That makes it more likely to suit established companies with a dedicated marketing budget. Businesses looking for a digital marketing agency in San Francisco that combines PPC, SEO and content may find Secret Sushi worth a closer look. Industry focus is not listed.

Reviews0/40

Visibility19/25

Portfolio0/15

Response2/10

Credentials0/10

Services

SEO,Digital Marketing, +3

Industries

Not provided

Budget

Starting from $150/hr

From
$150/hr

Hourly
$150/hr

Team
10–49 people

12-month organic trend
26,490 to 35,230 visits, measured by Rankyfy

20.5 Rankyfy Score

From$150/hr $150/hr
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Rank 55 Compare

KlientBoost (opens in a new tab)

No verified reviews yet

Location: Costa Mesa, California, United States

Unclaimed

20.4

Why #55: No reviews yet

Costa Mesa, California is where KlientBoost is headquartered, with further team members in Raleigh, North Carolina and working remotely across North America. Its declared work is split between SEO, PPC and social media marketing, and the agency positions itself around measurable growth in pipeline, revenue and profitability. KlientBoost says it pools performance data from across its active client base so that new campaigns start from evidence rather than guesswork. It works with SaaS, ecommerce and lead generation businesses and notes that, although it lists well-known names such as Airbnb, NPR, Stanford, Bloomberg, Upwork and SAP among its clients, it also takes on much smaller companies. The agency is known for publishing marketing content and offers prospective clients a free marketing plan before engagement. The team sits in the 50 to 249 band. Projects start at around $1,000 and hourly rates run from $100 to $149, which makes it accessible to growing companies as well as larger ones. KlientBoost suits SaaS firms, online retailers and lead-driven businesses looking for a PPC and SEO agency in California that relies on cross-client performance data.

Reviews0/40

Visibility19/25

Portfolio0/15

Response2/10

Credentials0/10

Services

SEO,Social Media Marketing, +1

Industries

Not provided

Budget

Starting from $100/hr

From
$100/hr

Hourly
$100/hr

Team
50–249 people

12-month organic trend
12,120 to 19,400 visits, measured by Rankyfy

20.4 Rankyfy Score

From$100/hr $100/hr
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Rank 56 Compare

Visible Factors (opens in a new tab)

No verified reviews yet

Location: Los Angeles, California, United States

Unclaimed

20.4

Why #56: No reviews yet

Los Angeles agency Visible Factors describes itself as data-driven and organised as an agency collective, bringing together experienced practitioners to serve growing brands and companies. Its declared work is split across SEO, PPC and content marketing in roughly equal parts. The agency's own account names three main channels: search engine optimisation, paid media and email and lifecycle marketing. It says its client base has been built through referrals and word of mouth rather than outbound selling, and it positions the collective model as an alternative to the structure of a traditional agency. The team has 10 to 49 people. The minimum project is $5,000, and hourly rates of $200 to $300 are at the upper end of the market, which reflects its emphasis on experienced specialists. Visible Factors is likely to suit growth-stage brands that want senior input on SEO, paid media and retention marketing from a Los Angeles agency.

Reviews0/40

Visibility19/25

Portfolio0/15

Response2/10

Credentials0/10

Services

SEO,PPC, +1

Industries

Not provided

Budget

Starting from $200/hr

From
$200/hr

Hourly
$200/hr

Team
10–49 people

12-month organic trend
43,580 to 79,750 visits, measured by Rankyfy

20.4 Rankyfy Score

From$200/hr $200/hr
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