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Outsourcing Your Ecommerce: Full-Service Agency vs Specialists vs In-House
What a full-service ecommerce agency actually does, how it compares with hiring several specialists or building your own team, and how to decide which is right for your shop.
Ivan Latter, Owner, Focus Ecommerce · Updated 21/10/2026 · 8 min read
Key takeaways
- A full-service ecommerce agency builds, runs and grows your online shop under one roof.
- It suits growing shops that don’t want to manage several suppliers or hire a full team.
- Specialists can go deeper in one area. In-house gives control but costs more to set up.
- Ask any agency to show who would actually do the work, and how they report results.
What is a full-service ecommerce agency?
A full-service ecommerce agency is one team that handles every part of running an online shop: building and maintaining the website, the day-to-day operations behind it, and the marketing that brings in customers. Instead of hiring a web developer, a marketing agency and an operations manager separately, you work with one partner.
Plenty of agencies call themselves full service but only cover one or two of these areas. Many specialise in development, or in paid ads, or in content. So it’s worth checking exactly what’s included before you sign.
What does a full-service ecommerce agency do?
The work usually falls into three areas.
Build
- Website design and development
- Platform choice and setup
- UX and conversion
- Speed and performance
- Tracking and analytics
Run
- Order management
- Stock control
- Customer service
- Back office processes
- Reporting
Grow
- SEO
- Google Ads
- Email marketing
- Social media
- PR and partnerships
Looking for a full-service ecommerce agency?
See how Focus Ecommerce builds, runs and grows online shops.
Full-service agency vs specialists vs in-house
There are three main ways to get your ecommerce work done. Here’s how they compare.
| Full-service agency | Several specialists | In-house team | |
|---|---|---|---|
| Who you manage | One partner | Several suppliers | Your own staff |
| Joined-up strategy | Built in | Up to you to coordinate | Good, if the team is complete |
| Range of skills | Broad | Deep in each area | Limited to who you hire |
| Speed to start | Weeks | Weeks per supplier | Months to recruit |
| Fixed costs | One monthly fee | Several fees | Salaries, tools, training |
| Best for | Growing shops without a full team | Shops with one clear gap | Larger brands with budget |
Pros and cons of a full-service agency
Pros
- One point of contact and one plan
- No gaps or blame between suppliers
- Easy to scale work up or down
- Marketing and website changes happen together
Cons
- You rely on one supplier
- May not match a niche specialist in every area
- Less day-to-day control than an in-house team
Is a full-service agency right for you?
It’s usually a good fit if most of these sound familiar:
- You're spending more time managing suppliers than running the business
- Your website, marketing and operations feel disconnected
- You want to grow but can't justify several full-time hires
- You sell to consumers but don't have retail connections or a team behind you
If you already have a strong in-house team and only need help with one thing, such as Google Ads, a specialist may suit you better.
How much does a full-service ecommerce agency cost?
Most charge a monthly fee based on how much they handle. At Focus Ecommerce, full-service ecommerce management starts from £695 a month. What affects the price:
- The size of your product range
- Which services you need (build, run, grow, or all three)
- Your ad spend and number of sales channels
- Whether you need a new website first
5 questions to ask before you hire
- Which services do you do yourselves, and which do you outsource?
- Who will actually work on my account?
- Can you show results for a shop like mine?
- How do you report, and how often?
- What’s the notice period if it isn’t working?
FAQs
What's the difference between an ecommerce agency and a full-service ecommerce agency?
Many ecommerce agencies focus on one area, usually building websites. A full-service agency also runs the shop day to day and handles the marketing.
Can a full-service agency work alongside my own team?
Yes. Many businesses keep some work in-house and hand the rest to an agency.
Is outsourcing ecommerce cheaper than hiring?
Often, for smaller and growing shops, because you share a team’s skills rather than paying several full-time salaries.
Ivan Latter
Owner at Focus Ecommerce. A lifetime in retail and running ecommerce store
Not sure which option suits you?
Book a free 30-minute call and we’ll give you an honest view, even if the answer isn’t us.
Want one team to run your online shop?
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