This guide helps you figure out exactly what you need before you hire a digital marketing agency, including core digital marketing services, optional add-ons, and what falls outside of agency scope.

What are the core digital marketing services?

Digital marketing firms manage channels (e.g., Facebook, Meta Ads, and SEO), content, and campaigns to drive measurable online growth. Core digital marketing agency services include branding, SEO, PPC, social media marketing, content marketing, email marketing, analytics, and reporting.

Branding

Branding is the strategic foundation of all digital marketing campaigns. Deliverables include a brand strategy document, visual identity system (logo, color palette, typography), tone of voice and messaging guidelines, and design templates for key formats.

Search engine optimization (SEO)

A digital marketing agency delivering SEO will audit your site, research target keywords, optimize on-page content and technical structure, and build authoritative backlinks. Results will look like increased keyword rankings and organic traffic growth, typically over a 4-12-month period.

Pay-per-click advertising (PPC)

Digital marketing companies with PPC services generally cover account setup, ad copy and creatives, audience targeting, bid strategy, and ongoing optimization across social media (e.g., Facebook Ads and LinkedIn Ads) and search platforms (e.g., Google Ads).

The agency fee includes management. However, ad spend is paid directly to the platforms and sits outside the monthly retainer fee.

Social media marketing

A digital marketing agency's social media service splits into two distinct offerings that are priced separately: organic social management and paid social advertising.

Organic social media services include content calendars, creatives, scheduling, and community engagement. On the other hand, paid social spans campaign setup, audience targeting, creative testing, and spending optimization.

Content marketing

A digital marketing agency will typically produce blog posts, landing page copy, email newsletters, and downloadable assets, designed to attract and convert a target audience at each stage of the funnel.

Graphic design, video, and interactive content are scoped and priced separately as they require different production resources.

Email marketing

The goal of email marketing is to nurture leads, build audience relationships, and promote services to target subscribers.

Digital marketing companies achieve this through strategy development, design, copywriting, audience segmentation, workflow automation, A/B testing, and campaign deployment.

Analytics and reporting

Analytics services involve configuring tracking tools, interpreting campaign data, and translating performance metrics into actionable recommendations. Most professional digital marketing services include monthly or quarterly reporting as standard.

What additional services do digital marketing companies provide?

Some digital marketing company services also include specialized expertise, such as CRO, local digital marketing, influencer marketing, eCommerce marketing, mobile marketing, and AIO/GEO. Because these are not typical core offerings, they are often priced outside of monthly retainers and core packages.

Conversion rate optimization (CRO)

Digital marketing firms offering CRO run structured experiments on landing pages, forms, checkout flows, and CTAs. They achieve these through heatmaps, session recordings, and A/B or multivariate testing.

By the end of the engagement, the company delivers a documented testing program with statistically validated results, not one-off design tweaks.

Local digital marketing services

Local digital marketing targets customers within a specific geographic area through local SEO, Google Business Profile optimization, citation building, and geo-fenced paid campaigns.

Digital marketing companies that specialize in this space understand proximity-based ranking signals, local pack optimization, and review velocity strategies that general digital marketing firms typically don't prioritize.

Influencer and partnership marketing

A full-service influencer engagement includes creator identification and vetting, contract negotiation, campaign briefing, content approval, publishing coordination, and post-campaign performance reporting.

eCommerce marketing

eCommerce marketing services include Google Shopping campaigns, product feed management, dynamic retargeting, marketplace advertising, and post-purchase email and SMS flows.

Mobile marketing

Mobile marketing covers SMS and MMS campaigns, push notifications, in-app advertising, and mobile-specific UX optimization. These campaigns require separate platform infrastructure, audience segmentation logic, and opt-in compliance, especially US brands following the Telephone Consumer Protection Act (TCPA), which protects consumers from unsolicited telemarketing campaigns.

Website design and development

Digital marketing companies providing web design and development integrate it with their marketing programs. Expect services like UX design, front-end development, CMS implementation, and performance optimization.

AIO/GEO services

AIO (AI overview optimization) and GEO (generative engine optimization) services generally encompass AI citability audits, page restructuring, and content creation with structured data, FAQ schema, and concise paragraph structures. The goal is to increase the probability that AI systems will cite and excerpt the website.

However, AIO and GEO are still new, so not every agency offers it, and capabilities vary significantly.

What a digital marketing agency does NOT do

Although digital marketing is an expansive field, there are a number of services that these companies do not offer, including:

• Website development: A website with complex requirements or that requires significant rebuilding will need the expertise of a web development company rather than a B2B digital marketing agency.
• Public relations: Earned media, press coverage, and reputation management in traditional media are outside the scope of digital marketing firms and fall under the responsibilities of a PR agency.
• Video production: Projects that require professional lighting, audio recording, casting, VFX, motion graphics, and animation will need a production house or video production company.
• Custom solutions: Data infrastructure, CRM development, AI development, custom dashboards, system integrations, and other technical work fall under the scope of software development companies.

How long does it take to see the results from your digital marketing efforts?

Businesses typically start seeing results from digital marketing within the first month. However, they will see the full impact within 3-12 months, depending on the digital marketing channel.

What this chart means:

• Initial results. A slight uptick in KPIs, but not yet enough to move your bottom line.
• Tangible results. KPIs are strong enough to impact revenue and sales, though numbers may still fluctuate.
• Fully optimized. Campaigns have been refined using real data. Expect steady ROI and consistent KPI growth.

While these are common benchmarks, the time-to-results for your business will depend on your positioning, budget, competition, and campaign quality.

How do you match the digital marketing agency services to your needs?

Before briefing any agency, work through these questions:

• Who are your customers?
  If your primary customers are from a specific region, a local agency will better meet your needs. If you require multinational campaigns, then you might want to partner with a global agency.
• What are your main customer touchpoints?
  Knowing where your customers interact with your brand helps you identify what digital marketing channels to prioritize.
• What is your current source of traffic?
  If you have zero organic presence, SEO is foundational. If you need leads this quarter, paid search may be the faster path.
• What does your conversion funnel look like?
  An agency can drive traffic, but if your website doesn't convert visitors, you may need CRO or a web development engagement running in parallel.
• What is your realistic monthly budget, excluding ad spend?
  Defining your ceiling before you brief an agency saves time on both sides.
• Do you need a generalist or a specialist?
  If SEO is your primary channel, a dedicated SEO-focused agency will likely outperform a generalist. If you need an integrated strategy across several channels, a full-service digital marketing services company makes more sense.

Ready to find a digital marketing agency that meets your needs? Browse DesignRush's digital marketing agency directory and filter by budget, specialty, and client reviews.