Social Media Marketing Agency in London

London is thirty-two markets pretending to be one. The feed that knows its postcode wins.

7SEA is a social media marketing agency for London brands and service businesses: a monthly calendar you approve, daily posting and DM handling, and reporting in plain English.

In short

What is social media marketing in London?

Social media marketing in London is the work of reaching one borough at a time. A Hackney audience, a Clapham audience and a Richmond audience share a transport map and almost nothing else, and content that averages the city reaches none of it properly.

Businesses worked with

400+

Running social and ad programs

6 years

Google Partner and Shopify Partner

Partner

You own every account

No lock-in

Platforms

Platform mix for a London business

We would rather run three accounts well than seven badly. Which three depends on your category and your city, not on which platforms are being talked about this year.

Platform Who it reaches Where it fits
Instagram Consumer London in every borough First platform for food, fitness and retail
LinkedIn The City, Canary Wharf and professional services First platform for B2B
TikTok Under-35s and the food-discovery audience Second platform for consumer brands
Facebook Outer-borough families and community groups Local services and trades
YouTube Shorts Commuters and researchers Explainers for considered purchases

On the ground

How London actually segments

Boroughs are the real markets. Londoners rarely cross the city for anything they can get locally, so naming the neighbourhood correctly in content and targeting it tightly in paid outperforms city-wide reach for almost every local business.

The professional city is enormous and separate. The City, Canary Wharf and the professional services sprawl make LinkedIn a first platform for a huge share of this market, and most small B2B firms still treat it as an afterthought.

The content bar is European-highest. Every global brand runs its best work here, so audiences are fluent and quick to scroll. Specificity and consistency beat production budget: the account that genuinely knows its corner of London outperforms the one that merely looks expensive.

Where London demand concentrates

  • Shoreditch and Hackney

    creative, food and independent brands

  • Soho and the West End

    hospitality, retail and events

  • Clapham and Battersea

    young-professional services and fitness

  • Islington

    premium local services and dining

  • Brixton and Peckham

    community-rooted food and culture

  • Richmond and the southwest

    family services and premium retail

  • Stratford and the east

    the growth belt and retail

  • The City and Canary Wharf

    finance and corporate B2B

What is included

What the social media management package includes, every month.

Community management is included rather than sold as an add-on, because an account with unanswered DMs is worse than no account at all.

  • Monthly content calendar for approval
  • Content pillars and tone of voice document
  • Video shooting and editing
  • Photography and retouching
  • Caption and hook writing
  • Hashtag and keyword research
  • Scheduling and publishing
  • Comment and DM replies
  • Story management and polls
  • Profile and highlight design
  • Creator and UGC sourcing
  • Monthly report and review call

And what we will not do

  • Buy followers or engagement
  • Join engagement pods
  • Repost the same clip to every platform
  • Report follower count as a result
  • Post AI slop to hit a quota
  • Chase a trend that does not fit the brand

Process

One month ahead, every month.

Nothing gets posted that you have not seen. The calendar goes out before the month starts, so approvals never turn into a daily interruption.

01

Audit and strategy

Current accounts, competitors and audience reviewed. Content pillars and tone of voice agreed.

Week 1

02

Shoot

A production day for the quarter's photography and video, planned against the pillars.

Week 2

03

Calendar

Next month planned out post by post and sent for approval in one go.

Monthly, in advance

04

Produce

Editing, design and copy for everything on the approved calendar.

Ongoing

05

Publish and reply

Scheduled posting, plus daily comment and DM handling in your brand's voice.

Daily

06

Review

What performed, what did not, and which formats are worth pushing into paid.

Monthly

Questions

Social media questions.

If yours is not here, send it. We answer these on the first call anyway.

How much does social media management cost in London?

7SEA retainers in London start at £1,000 a month, scoped after we review your accounts, your category and how much content already exists. You approve the number before anything starts, and the contract is rolling on 30 days with no lock-in.

How many social media platforms do you manage?

We work across Instagram, TikTok, Facebook, LinkedIn, YouTube and Pinterest. Most brands run two or three of them properly rather than all six thinly, and which two or three depends on your category and where buyers in your city actually spend their time.

What type of content do you create?

Statics, carousels, reels and stories, mixed to suit the platform and the goal. Reels and short video do the discovery work, carousels explain and teach, statics carry offers and brand, and stories handle the day to day.

Do you use AI to design social media content?

Yes, as a production tool. The difference is the output: our AI work is finished to look like real photography and real design, not the obvious AI look most tools produce. You can review samples before committing.

We have no photos or raw content. Can you still run our social media?

Yes. Where raw content does not exist we build the calendar from AI-produced visuals and copyright-free stock, finished to match your brand. Once we have shoot material from you, it replaces that mix gradually rather than all at once.

What do we actually receive each month?

A content calendar approved before anything publishes, then 15 to 30 pieces of finished content depending on scope, scheduled and published, with comments and DMs handled daily and a monthly report on what moved.

What is your process for social media management in London?

An audit of your accounts and three local competitors, a one-page strategy, then a monthly calendar you approve before anything posts. Daily publishing and DM handling, borough-level targeting where it matters, and a plain written report.

How do local businesses get customers from Instagram in London?

Through postcode-level specificity. Londoners buy locally within their borough, so content that names the neighbourhood, shows the actual street and targets the catchment converts where city-wide posting disappears.

Which social media platform is best for a small business in London?

Instagram for consumer categories, LinkedIn for the vast professional city, which is a larger share of this market than anywhere else in Britain. Most London businesses need exactly two platforms run properly.

Is social media marketing worth it for a small business in London?

With specificity, yes. This is Europe's most contested feed, so generic content is invisible at any budget, while genuinely local content performs far above its production cost.

Send us the profile. We will send back a sample content plan.

A sample content plan built for your brand, with pillars, formats and a first calendar. Yours to keep whether or not you work with us.