What each extra social media channel adds to the fee

Key takeaways

The cost of managing multiple social media platforms does not double with each channel. Most UK retainers include two. As an indication, an extra channel that reuses existing content adds about £300–£800 a month for adaptation and replies. A channel needing its own content costs far more.

• £300–£800 a month is the indicative cost of adding a channel that reuses content.
• Most UK SME retainers of £950–£2,500 cover two channels.
• A channel needing original video can cost as much as a new retainer.
• Two channels done well beat four done thinly.

Why does each channel add cost?

Each channel adds three kinds of work: adapting content to its format, answering a separate inbox and reporting on a separate set of numbers. Publishing itself is quick. It is the adaptation and the replies that take the hours.

• Social media agency pricing in the UK
• How social media agencies set their prices

How much does an extra channel cost?

Adapting and managing an extra channel from existing content takes about 4 to 8 hours a month, or roughly £300–£800 at the £75–£100 an hour implied by typical UK retainers. A channel that needs its own video, such as TikTok, adds much more. These are indicative figures, not a GBL price list.

• Facebook added to Instagram: at the low end, shared tools and content.
• LinkedIn added to a consumer plan: mid range, different tone needed.
• Pinterest added to a visual plan: low, little reply work.
• TikTok added to an image-led plan: high, needs original video.

• TikTok management costs in the UK
• Pinterest management costs in the UK

How many channels should a retainer cover?

Two is the sensible default for a small business. It covers your main audience and one supporting channel without spreading production thin. Global Bridge Labs (GBL) recommends two to start, chosen by where your buyers are, and adds channels once those are performing.

• How many social media platforms should a business use?

When does adding a channel pay?

Adding a channel pays when the first two are producing enquiries, when a clear group of buyers sits on the new channel, and when content can be reused with little extra work. Adding a channel to fix weak results on the existing ones spreads the same problem wider.

• Adding a second social media channel: when it pays

Which channels are cheapest to combine?

Channels that share a format are cheapest to combine. Instagram and Facebook share tools and images. TikTok, Reels and Shorts share vertical video. LinkedIn stands apart, because its tone and audience differ, so content usually needs rewriting.

• Repurpose content across social media channels

When is one channel the better buy?

One channel is the better buy when the budget is under about £950 a month or when nearly all your buyers are in one place. A single channel with replies handled and results reported does more than three channels that only receive scheduled posts.

• Can a business succeed with only one social platform?

What does it cost to remove a channel?

Removing a channel should lower the fee by roughly what adding it would cost, though some agencies resist. Agree the rule at the start. Decide too what happens to the profile: keep it accurate with a pinned post pointing to your active channels, or close it properly.

• Agree the fee reduction in advance.
• Pin a post that points to your active channels.
• Keep contact details accurate.
• Or close the account properly.

• When to quit a social media platform

What does this look like in practice?

A pattern we see when UK businesses review their plan: four channels on a small retainer, each receiving the same graphic and no replies. Cutting to two and using the freed hours for video and community management usually lifts enquiries without raising the fee.

• See client work
• Social Media Marketing for UK businesses

Channel cost checklist

Ask these before adding a channel.

• Are the current channels producing enquiries?
• Who is on the new channel that you cannot reach now?
• Can existing content be reused?
• Who answers the new inbox?
• What does the agency charge to add and to remove it?

Next step

Tell us which channels you run and which you are thinking of adding. We will say what it would add to the work and whether it is worth it.