Hiring Guide: How to Choose Top Digital Marketing Agencies in the US

What can a digital marketing agency do for businesses?

They help businesses drive sustainable growth by turning digital strategies into measurable revenue and long-term competitive advantages.

Beyond creating and executing campaigns, these agencies align strategies with business objectives and ensure that all channels support the same goals, delivering consistent, coordinated experiences to customers.

This integrated approach is critical in an omnichannel environment.

McKinsey reports that 80% of customers use multiple channels to research and buy a product, with the average B2B sales journey involving 10 touchpoints.

By centralizing strategy, execution, and performance measurement, digital marketing agencies help businesses scale efficiently while reducing internal complexity.

How much do US companies typically invest in digital marketing?

Our research found that businesses, on average, invest 7.7% of their annual revenue in digital marketing.

Out of this percentage, 25-55% goes to demand capture media, including search, shopping, and retargeting campaigns.

10-35% is allocated to demand creation media, such as paid social, prospecting, and sponsorships.

5-15% is dedicated to customer relationship management (CRM) via email marketing and loyalty programs. Meanwhile, 5-10% is for conversion rate optimization (CRO) and website optimization.

Lastly, 8-20% is allotted for creative production, 5-10% for data analytics, and 10-20% for agency fees and marketing tools.

In practice, digital marketing budgets may look like the following, according to Searchbloom:

• Small businesses that are serious about growth usually invest $5,000 to $12,000 per month for SEO, paid media, CRO, content, and development support.
• Mid-market companies often invest $15,000 to $40,000 per month for more aggressive, multi-channel strategies.
• Enterprise organizations frequently exceed $50,000 per month, particularly for multi-location brands or highly competitive markets.
• Paid media budgets often sit separately and can range from $10,000 per month to several million per month, depending on growth targets and market conditions.

What digital marketing channels deliver the highest ROI?

The digital marketing channels with the highest ROI vary based on your industry, target audience, budget, and campaign execution.

However, research shows that a 5:1 ROI is considered a strong benchmark across channels.

Generally, email marketing delivers one of the highest ROI for retention and lifecycle marketing, recording between 3,600% and 4,000%.

SEO also delivers powerful long-term ROI, capturing high-intent demand and supporting performance across other channels. On average, this channel has a 748% ROI.

Influencer marketing can produce high returns for industries where trust, authority, and audience alignment are crucial, with an ROI averaging at 578%.

For social media, 25% of marketers report that Instagram has the highest ROI, followed by Facebook (23%), and YouTube (14%). Beyond brand awareness, these channels are essential for generating leads and developing customer relationships.

How to find the right digital marketing agency on DesignRush that fits your budget?

We’ve curated a list of top digital marketing companies on DesignRush across multiple price points, so you can identify a vendor that's within your budget.

Beyond budget, our agency directory allows you to filter agency profiles by location, area of expertise, agency reviews, client types, team size, and hourly rates.

How to choose the best US digital marketing company for your business?

Here are some steps to guide you in choosing the right US digital marketing company for your business:

1. Clarify project requirements
   Lay out your specific business goals, success metrics, target audiences, marketing channels, timeline, and budget. Also, compile campaign and design pegs to more clearly communicate your campaign vision.
2. Search for agencies with experience
   Look at the agency’s services, case studies, and client testimonials to find those that specialize in your industry and campaign type.
3. Check its background
   Examine the agency’s client reviews, certifications, vendor partnerships, awards, and recognitions to verify its credibility and reliability.
4. Send a request for proposal
   Provide a brand summary, executive brief of your project and goals, baseline marketing metrics, projected timeline, and budget range to your top choices.
5. Meet the actual team
   Schedule a meeting with the potential experts working on your project, and ask them about their processes, approach, and experience.
6. Make a selection
   Analyze your shortlisted candidates and choose the one that provides the most value for money, aligns with your brand and culture, and has an excellent track record.

Still looking for a digital marketing partner? Visit our Marketplace and send us a project brief. Based on your request, we'll send you five agency suggestions that meet the criteria. 

Sources

DesignRush sustains a directory of over 40,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:

• Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
• The agencies listed get notified of their profiles on the website and they can choose to claim it or not, which suggests their availability for more collaborations.

Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.