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Marketing Companies in Southampton: 595 Active Firms (2026)
Marketing agencies in Southampton plan, buy and measure campaigns for organisations across the city’s port, retail and professional-services economy.
Buying centres tend to sit with owner-managers, marketing directors and commercial teams that need accountable acquisition rather than pure brand work. Engagements are usually retained or campaign-based, with creative, media and analytics bundled around search, social, email, display and direct marketing. The customer base is mainly business clients: regional retailers, travel and marine operators, professional-services firms and technology suppliers selling beyond the city. Agency selection tends to hinge on sector familiarity, channel evidence and the ability to work with internal sales or ecommerce teams, rather than on a single creative specialism.
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Southampton has 595 actively trading marketing agencies. Reported headcount totals 486 people, which points to a fragmented local supply base: many agencies appear to be micro-businesses, independent studios or owner-managed service firms rather than multi-office employers. For buyers, that usually means a choice between specialist channel teams and broader retained agencies, with account capacity becoming the constraint on larger regional or national briefs.
Campaign work in Southampton sits across several rulebooks rather than under a dedicated sector licence. The ICO oversees data-protection and PECR duties for direct marketing, while Ofcom has a role where public electronic communications networks are misused. The CMA and trading standards can act on unfair-trading concerns. The ASA enforces the CAP Code, whose scope covers advertisers, agencies and media owners, and the DMA code adds a membership standard for direct-marketing practice. For agencies handling email, cookie-led targeting or lead generation, compliance is part of account delivery, not an after-the-fact legal check.
The local agency base appears broad at the entry and owner-managed end, with fewer signs of scaled service platforms. That tends to keep competition price-sensitive, especially where briefs are channel-specific and procurement can compare day rates. Performance media, marketing automation and analytics work should keep pulling budget towards agencies that can connect creative output with attributable sales outcomes, while privacy rules make casual direct marketing harder. Some consolidation looks plausible, particularly where succession, retained-client depth and specialist technical capability overlap, but the market is likely to remain mixed rather than dominated by a small group of large operators.
595
Active firms
2026
5
Above £5M
reported turnover
130
Incorporated since 2022
Key facts
About 1% of the trading cohort reports turnover above £5M (5 of 595 firms) — the rest sits below that revenue band.
21% of the cohort was incorporated since 2022 (130 firms), so a sizeable share is in its first few filing cycles.
UK ad spend reached £42.6 billion in 2024, up 10.4%, with online formats growing 13.2%.
£4 in every £5 of UK ad budgets was spent online in 2024, while search reached £16.9 billion and accounted for two in five pounds spent on advertising.
Direct marketing work sits under ICO data protection and PECR rules, while Ofcom regulates misuse of public electronic communications networks.
The ASA enforces the CAP Code, whose rules apply to advertisers, agencies and media.
UK advertising and market research services exports were £15 billion in 2021, up 32.5% year on year.
Top Southampton Marketing companies
ACCOMPLICE DIGITAL COMMUNICATIONS LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides advertising and brand communications services including brand repositioning, campaign development, product and brand launches, and multimedia marketing across digital, retail, PR and…
Serves brand and marketing teams at consumer-facing businesses, charities and public-awareness organisations, including retail, jewellery, hospitality, drinks, sports, transport and environmental…
Financial Health
WeakWeak · Hiring · 41% CAGR over 2y
Location
Antler Agency Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides marketing and public relations services for housebuilders, property developers and property service companies. Services include development launch campaigns, brand and communications…
Serves B2B clients in the property sector, primarily housebuilders, residential developers and property services companies launching new homes developments or building their brand.
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
BIG MALLET LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital agency services for charities and not‑for‑profits, including Drupal website design and development, digital transformation consulting, UX and accessibility design, digital…
Serves charities and not-for-profit organisations, particularly digital, fundraising, communications and leadership teams responsible for online supporter engagement and digital transformation.
Financial Health
WeakWeak · -73% CAGR over 4y
Location
Nine & Nico Ltd
Trajectory
4y · 2021–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
FRUITFUL STUDIO LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides design and marketing services including brand development, website design, video production and digital marketing strategy. Works with organisations on campaigns, brand identity and digital…
Serves B2B organisations seeking outsourced agency support, particularly healthcare, social care, NHS innovation bodies, medical science companies and consumer health brands.
Financial Health
DistressedDistressed · -13% CAGR over 4y
Location
Trajectory
5y · 2020–NowProvides advertising and creative production services including brand campaigns, TV commercials, marketing activations, advertising toolkits and key visual development, using data insights and…
Serves marketing and brand teams at consumer-facing businesses, including healthcare, retail, and food and beverage brands.
Financial Health
Insufficient historyInsufficient history
Location
VISUALYTES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides web design and development services alongside digital marketing, SEO, and content marketing. Also develops mobile applications and bespoke software, and offers branding, website hosting,…
Serves businesses seeking web, app, branding and digital marketing support, including clients in hospitality, healthcare, e-commerce, real estate, professional services, manufacturing and FMCG.
Financial Health
WeakWeak · Hiring · 26% CAGR over 4y
Location
THEYACHTMARKET.COM LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · -64% CAGR over 4y
Location
Cultural Poetry Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StableStable · 0% CAGR over 3y
Location
TLC Ads Ltd
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 5y
Location
BER CORPORATION LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed · 0% CAGR over 1y
Location
Dribble Creative Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
KIMBERLEY COLE MARKETING LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
Cb Media Group Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides public relations and brand consultancy services including marketing strategy, creative campaign development, product launch support, market research, and business planning. Also advises on…
Serves B2B premium brands and businesses in corporate, hospitality, luxury and entertainment sectors, including companies seeking growth, market expansion, product launches, publicity and…
Financial Health
StrongStrong · Growing, Hiring · 14% CAGR over 4y
Location
ADVRT MARKETING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · -68% CAGR over 4y
Location
P39 TECHNOLOGIES UK LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -66% CAGR over 4y
Location
Positive Subversion Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · Hiring · 32% CAGR over 4y
Location
JPink Marketing Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong
Location
Plum Interior Designers Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
A TWIST OF LIME LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides branding, advertising and creative campaign development for health and wellness products, helping companies build brand identity and marketing communications across digital and other media.
Sells to businesses in the health and wellness sector, targeting brands with health-focused products that need creative and advertising support. Likely serves marketing and brand teams seeking…
Financial Health
HealthyHealthy · Hiring · 9% CAGR over 4y
Location
Recipe Design Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides brand strategy, consumer research and design services for businesses. Works with companies to develop brand positioning, product and visual design, and planning for launches, repositioning…
Serves B2B clients: business owners and senior leaders at wellness, consumer goods, food, home appliance and lifestyle brands, including established manufacturers and growth-focused brand teams.
Financial Health
HealthyHealthy
Location
MDO Project Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
Return Ticket Holdings Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed · 0% CAGR over 3y
Location
ETCH GROUP LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
Mia Boardman Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StrongStrong · Growing · 0% CAGR over 3y
Location
ARTS & SCIENCES LONDON LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProduces advertising content, feature films, documentaries and music videos, and develops fine art projects. Represents film directors and creative talent, providing production services for branded…
Serves global brands, advertising agencies, media and entertainment organisations, and cultural/art clients, including technology, sports, retail and consumer brands.
Financial Health
StrongStrong · Growing, Hiring · 10% CAGR over 3y
Location
RELOAD DIGITAL LTD
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing and technology services for brands and retailers, including paid search, paid social, SEO, influencer marketing, marketing automation, and data and technology solutions,…
Sells to brands and retailers needing digital marketing and technology support, particularly multi-market consumer, retail, beauty, fashion, sports and electronics businesses across Europe.
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 6y
Location
One2Create Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides web design and development, SEO, PPC advertising, and digital marketing services. Also offers branding, content creation, social media marketing, and website hosting, support, and…
Serves ambitious SMEs across Hampshire and Berkshire and some national brands across business services, recruitment, training, automotive, hospitality, technology, education, charities, retail,…
Financial Health
StableStable · -2% CAGR over 4y
Location
Icandy Design Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides integrated marketing and digital services including marketing strategy, campaign management, SEO, social media and email marketing, digital advertising, and analytics. Also designs and…
Serves B2B and B2C brands across diverse industries, including companies seeking coordinated marketing, digital presence and brand support from a single agency partner.
Financial Health
StableStable · 2% CAGR over 4y
Location
ROOSTER MARKETING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides marketing and digital services including brand strategy and identity, creative design, website and e‑commerce development, SEO, PPC advertising, social media management, content marketing,…
Serves marketing leaders and business owners in healthcare, pharma, property, legal, fintech, manufacturing and education, plus public-sector and consumer-brand clients seeking agency support across…
Financial Health
StableStable
Location
Earthstorm Media Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides brand communications and marketing services, integrating strategy, creative development, and performance marketing. Works with organisations to develop brand campaigns, marketing content,…
Serves businesses and organisations across sectors including automotive, manufacturing, travel, technology, charities and public-interest brands.
Financial Health
HealthyHealthy · Hiring · 29% CAGR over 1y
Location
RUSH SOLUTIONS LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides data‑driven marketing and CRM services for automotive manufacturers. Collects and manages customer data to create single customer views, run targeted marketing and recall campaigns, and…
Sells to automotive OEMs and their marketing, CRM and customer care teams, including brands operating in the UK, Europe and globally, with customer data, campaigns and contact centre requirements.
Financial Health
StableStable · Hiring · 48% CAGR over 2y
Location
Gruvi Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides data‑driven digital advertising and media planning for the film industry. Uses an audience data platform to analyse moviegoer behaviour, forecast ticket demand, target campaigns, and…
Serves B2B entertainment companies globally, including independent film distributors, movie studios, cinema chains, games companies, VOD platforms and TV stations, with buyers such as marketing teams…
Financial Health
StrongStrong · Growing, Hiring · 29% CAGR over 4y
Location
Thinkengine Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides B2B digital marketing services including search engine optimisation, pay‑per‑click advertising, website design, email automation and chatbot development. Also develops no‑code web…
Serves B2B brands and modern businesses, including global clients, targeting commercial, marketing and sales leaders in organisations with complex digital growth and technology needs.
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
The Insight Collective
Trajectory
2y · 2020–NowFinancial sub-scores
Computed from 2 filingsProvides B2B marketing services including lead generation, digital campaigns, content creation and influencer marketing. Develops insight‑led marketing strategies, demand intelligence and market…
Serves B2B marketing teams and senior marketers at enterprise organisations, including EMEA campaign owners, who need insight-led lead generation, demand intelligence and measurable marketing…
Financial Health
StrongStrong · Hiring · 69% CAGR over 1y
Location
ALS Digital Limited
Trajectory
4y · 2021–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed · 0% CAGR over 3y
Location
Resourceful Marketing Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides B2B marketing services including website design and development, branding and graphic design, search engine optimisation, pay‑per‑click advertising, and HubSpot implementation. Works with…
Serves B2B organisations in net zero, AI and technology markets, including energy transition firms, industry associations, fintechs, managed service providers and cloud distributors.
Financial Health
StrongStrong · Hiring · 12% CAGR over 4y
Location
SQUARE 1 MEDIA LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides public relations and marketing services for companies in the property, mortgage and specialist finance sectors, including PR campaigns, media relations, SEO strategy, digital content…
Serves B2B financial services and property-sector organisations, including mortgage lenders, specialist finance providers, savings and retail banking brands, and broker-facing intermediary sales…
Financial Health
StrongStrong · Growing, Hiring · 18% CAGR over 2y
Location
Lee Peck Media Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides public relations and marketing communications services, including media relations, social media management, events, video production, creative content, media training, crisis management, and…
Serves businesses and organisations in the Central South and wider UK, including renewable energy, sustainability, events, science park, city development and corporate clients.
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides advertising and marketing services including brand identity development, campaign design, content creation, and brand storytelling. Operates in-house video and print production to produce…
Sells to consumer-facing brands and brand teams needing advertising, content, production and brand experience support, including retail, fashion, electronics, property, travel and charitable…
Financial Health
StableStable · Hiring · 8% CAGR over 4y
Location
21 Six Platform Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides brand strategy, creative design, and digital development services. Works with businesses to develop brand identities, marketing campaigns and content, and builds websites, apps, and…
Serves brand and marketing teams at healthcare, B2B and consumer companies seeking agency support for positioning, campaigns and digital experiences.
Financial Health
StableStable · Hiring · 119% CAGR over 2y
Location
Spyke Digital Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides branding, advertising and content production services, including brand identity design, campaign development, video and print production, and immersive brand experiences. Also offers brand…
Serves marketing and brand teams at consumer-facing businesses and organisations, including fashion, retail, property, technology, leisure and charitable/public-interest brands.
Financial Health
StableStable
Location
SMART MARKETING MANAGEMENT LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides outsourced sales and marketing services for businesses, including SEO, social media management, telemarketing, website design, digital advertising, copywriting, Amazon marketplace…
Serves small and mid-sized UK businesses and councils, including eCommerce, transport and logistics, natural products, IT and care sector organisations seeking sales and marketing support.
Financial Health
StableStable · Hiring · 16% CAGR over 4y
Location
THREE SIXTY DEGREES LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides public relations and communications consultancy focused on travel and lifestyle brands. Services include destination marketing, media relations, press office management, event production,…
Serves B2B clients in travel, tourism and lifestyle sectors, including tourism boards, airlines, transport brands, luxury hotels, food brands, and retail or transport start-ups.
Financial Health
WeakWeak · Hiring · 10% CAGR over 3y
Location
POINT THIRTEEN MEDIA LTD
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides recruitment advertising services, helping employers plan and manage job advertising campaigns. Offers media planning, campaign management, social media recruitment marketing, and design…
Serves UK employers recruiting staff, including education providers, charities and businesses across industries, targeting hiring managers and HR teams.
Financial Health
WeakWeak · 2% CAGR over 3y
Location
Freestyle Web Design Limited
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsDesigns and develops bespoke websites for businesses, including user interface design, site build, and launch. Provides branding services and search engine optimisation, managing projects from…
Serves businesses seeking web design, branding and SEO, including organisations in private medical, tech, hospitality, marine, financial, luxury and construction. Targets companies across Hampshire…
Financial Health
HealthyHealthy · Hiring · 10% CAGR over 6y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides marketing, communications and business strategy services for the real estate and built environment sector. Offers public relations, public affairs, branding, digital marketing, events and…
Serves B2B clients in the built environment, including property developers, real estate investors, placemakers and commercial real estate teams seeking marketing, communications and public affairs…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
Semantic Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDesigns and develops websites and digital platforms for visitor attractions, museums, zoos and tourism brands. Provides its LOOP website platform, along with web development, conversion rate…
Serves B2B visitor brands, including attractions, zoos, museums, heritage sites, tourism operators, immersive entertainment venues, leisure, health and hospitality organisations, from single sites to…
Financial Health
WeakWeak · -3% CAGR over 4y
Location
HAMPSHIRE MEDIA LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsPublishes printed local directories and a lifestyle magazine featuring editorial content and business advertising. Provides leaflet distribution, online directory listings, and in‑house graphic…
Sells to local businesses and advertisers seeking to reach households and affluent consumers across Hampshire and West Sussex, including leisure, home improvement, lifestyle, hospitality and…
Financial Health
DistressedDistressed · -9% CAGR over 2y
Location
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How Southampton Marketing companies work and how to sell to them
What they do
Southampton marketing agencies usually earn through a blend of monthly retainers, fixed-scope projects and campaign fees, with media spend either passed through, managed for a fee, or bundled into a broader account. The service shape is labour-led: strategy, copy, design, paid media, search, email operations, analytics and account management. Some also sell audit work, website refreshes, marketing automation set-up or lead-generation programmes as entry points before a retainer. Margins tend to depend less on proprietary assets than on utilisation, client retention and how tightly the agency can connect creative work with sales or enquiry outcomes.
Who they sell to
Most sell to SMEs and mid-market clients rather than large enterprise procurement teams, although larger regional briefs may involve a competitive pitch. Buyers are typically owner-managers, managing directors, marketing directors, ecommerce leads or commercial heads who need external capacity without hiring a full in-house team. Professional-services, retail, travel, marine and technology clients tend to value agencies that understand both local trading conditions and national acquisition channels. The sales motion is usually referral-led or direct, with short discovery calls for smaller retainers and more formal proposals where media budget, website work or compliance-sensitive direct marketing is involved.
What they buy
Southampton marketing agencies tend to spend on tools and services that help them win accounts, deliver campaigns and report performance without adding too much fixed cost. Common buying areas include CRM, proposal and project-management software, finance and billing systems, creative production tools, analytics, call tracking, consent management, cyber security, HR support and recruitment. Agencies handling paid channels also need media operations, tagging, attribution and reporting workflows that can survive client scrutiny. External services often include employment law, accounting, freelance creative production, web development capacity, insurance and specialist advice on ICO, PECR, ASA CAP Code and DMA obligations.
Why and how to sell to them
Agency buyers tend to evaluate vendors when delivery starts to outgrow founder-managed processes: new retained clients, channel expansion, a senior hire, a move from project work into recurring revenue, or pressure to evidence return on spend. Compliance triggers also matter, particularly where email, cookie-led targeting or lead generation becomes a larger part of the offer. Outbound messaging is usually more credible when it speaks to utilisation, client reporting, margin leakage, new-business conversion or risk reduction, rather than generic productivity. A useful angle is showing how the offer helps a small account team look more disciplined to larger clients without forcing a full operating-model change.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
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