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Marketing Companies in Portsmouth: 448 Active Firms (2026)
Marketing agencies plan, create and optimise paid, owned and earned campaigns for clients across Portsmouth and its surrounding metropolitan area.
Buying activity in Portsmouth’s agency market tends to sit around revenue generation rather than back-office change: digital advertising, search, content, brand, direct marketing and media services. Clients are mainly small and mid-market businesses that buy defined channel work, campaign projects or retained support, rather than long enterprise implementation programmes. Lean specialist teams often handle search, paid media or content briefs, while larger multi-discipline agencies package planning, creative, media and optimisation into ongoing account work. The commercial shape is therefore services-led, with project fees and retainers more common than licence-style revenue.
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Portsmouth has 448 actively trading marketing agencies, giving the local market a sizeable services base without the scale of the main UK agency centres. The turnover profile is still weighted towards smaller firms: 4 agencies report more than £5M turnover, while 121 have been incorporated since 2022. Reported employment totals 586 people across 118 reporting firms, so the measured workforce is concentrated in a subset of agencies rather than spread evenly across the whole cohort. That pattern fits a local market of owner-managed specialists, small teams and a thinner layer of larger account-led agencies.
Campaign work falls across several UK rulebooks rather than a sector licence. The ICO regulates data protection and PECR for direct marketing, while Ofcom has a role where public electronic communications networks are misused. The CMA and trading standards enforce unfair-trading rules, and the ASA enforces the CAP Code, which applies to advertisers, agencies and media. For direct-marketing specialists, the DMA code also matters as a trade-body standard and is mandatory for DMA members. Online formats dominate UK advertising spend, so consent, targeting, claims substantiation and record-keeping tend to sit close to day-to-day delivery rather than in a distant compliance function.
The Portsmouth agency base appears likely to remain fragmented, with many firms operating as channel specialists or small account teams rather than scaled networks. Demand tends to follow client spend moving into online formats, but that does not automatically favour every local agency; buyers can compare local, national and remote suppliers with relatively low switching costs. Agencies with repeatable managed-service offers, sector focus or evidence-led performance reporting may find it easier to defend fees. Regulatory pressure around consent, targeting and advertising claims also appears likely to reward firms that treat compliance as part of campaign design, not an afterthought.
448
Active firms
2026
4
Above £5M
reported turnover
121
Newer firms
incorporated since 2022
Key facts
About 1% of the trading cohort reports turnover above £5M (4 of 448 firms) — the rest sits below that revenue band.
27% of the cohort was incorporated since 2022 (121 firms), so a sizeable share is in its first few filing cycles.
Marketing agencies are not subject to a single sector licence, but direct marketing brings ICO data protection and PECR rules into scope.
Ofcom regulates misuse of public electronic communications networks, while the CMA and trading standards enforce unfair-trading rules.
The ASA enforces the CAP Code, whose rules apply to advertisers, agencies and media.
UK ad spend reached £42.6 billion in 2024, up 10.4%, with online formats growing 13.2%.
£4 in every £5 of UK advertising budgets was spent online in 2024, and search reached £16.9 billion.
Top Portsmouth Marketing companies
Creative Clique Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides graphic design and branding services alongside website design and development. Also delivers digital marketing, SEO, social media content, copywriting, animation, and preparation of tender…
Serves businesses in Portsmouth, Hampshire and beyond, including local SMEs and organisations in hospitality, healthcare, property, professional services and consumer services.
Financial Health
StrongStrong · Growing, Hiring · 4% CAGR over 4y
Location
Serenity Digital Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides communications and digital marketing consultancy, including brand and marketing strategy, website and user experience design, web and software development, search engine optimisation, paid…
Serves businesses and organisations seeking support with digital and printed communications, including clients needing brand, website, ecommerce, software, marketing and audience growth expertise.
Financial Health
StrongStrong · Growing, Hiring · 16% CAGR over 5y
Location
MOTOR SOCIALS LTD
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides social media marketing services for automotive businesses, including strategy, account management, content creation, video production, paid advertising campaigns and influencer partnerships…
Sells to automotive businesses in the UK, particularly OEMs, franchise dealer groups, independent dealerships, car supermarkets and commercial vehicle retailers seeking social media support.
Financial Health
WeakWeak · Hiring · 16% CAGR over 3y
Location
Motor Marketing Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides contact centre and marketing support services for automotive and other sectors, including inbound and outbound call handling, sales and aftersales campaigns, website design and hosting,…
Serves B2B customers, mainly UK automotive businesses of all sizes, plus organisations in financial services and the public sector that need customer contact, digital marketing, CRM, training or…
Financial Health
StableStable · Hiring · 23% CAGR over 4y
Location
Targeted SEO Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides search engine optimisation (SEO) services, including SEO consultancy, website optimisation, keyword research, technical SEO, and digital marketing strategies aimed at improving website…
Serves small and medium-sized businesses, particularly Southampton-area companies with websites and owner-manager or marketing teams buying SEO consultancy.
Financial Health
StrongStrong · Hiring · 46% CAGR over 4y
Location
PARAGON MARKETING PROJECTS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides B2B lead generation and sales development services, including telemarketing, appointment setting, outsourced SDR support, email marketing, call handling, market research and marketing data…
Targets B2B organisations across multiple sectors, especially sales and marketing leaders needing external support to build pipeline, reach decision-makers and generate qualified opportunities.
Financial Health
StableStable · Hiring · 16% CAGR over 4y
Location
ONEFIX RECRUITMENT LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides recruitment advertising services, including posting job vacancies across job boards and media channels, planning campaigns using performance data, and purchasing advertising space in bulk to…
Serves B2B employers, in-house recruitment and HR teams, and staffing agencies that manage vacancy advertising budgets across job boards, social media and offline media.
Financial Health
HealthyHealthy · -66% CAGR over 4y
Location
GIRAFFE SOCIAL MEDIA LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides social media marketing services including account management, content creation, video and photography production, community management, influencer partnerships, and paid social advertising,…
Serves established brands and their marketing teams seeking external social media support, particularly organisations with strong company cultures looking to build audiences, advocacy, leads and…
Financial Health
StableStable
Location
Wave Interactive Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides web development, system architecture, UI/UX design, search engine optimisation and conversion optimisation services, including CRM integrations, custom APIs, website performance…
Serves businesses of all sizes globally, including multi-vertical clients with marketing, product, and technology teams seeking agency support for digital growth and web initiatives.
Financial Health
WeakWeak · Hiring · 24% CAGR over 4y
Location
PRIZE PROFESSIONALS LTD
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides prize promotion campaign management for brands and agencies, including prize sourcing, incentive planning, fulfilment, winner management, customer support, and handling of promotional…
Serves agencies, brands and marketing teams running consumer prize promotions, incentive campaigns and employee reward programmes, from campaign support to end-to-end handling.
Financial Health
StrongStrong
Location
Picture This Creative Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · -16% CAGR over 4y
Location
New Vision Media Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -16% CAGR over 4y
Location
Field Marketing Solutions Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
Marketing Professionals Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed · 0% CAGR over 2y
Location
Quantised Media Ltd
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
LLJH Ltd
Trajectory
1y · 2024–NowFinancial Health
Insufficient historyInsufficient history
Location
Kalium Marketing Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
IDEVISE DIGITAL MARKETING LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed
Location
Rebellious Business Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · Hiring · 32% CAGR over 4y
Location
SEMPLE.AGENCY LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
173Tech Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides data strategy and analytics services, including data workshops, tool audits, implementation roadmaps, and marketing analytics. Analyses customer behaviour and integrates data across…
Serves growth-focused businesses, especially SaaS companies, D2C/ecommerce brands and app businesses, targeting founders, marketing, product and revenue teams.
Financial Health
HealthyHealthy · Hiring · 57% CAGR over 4y
Location
I LOVE DUST LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · -68% CAGR over 4y
Location
Jim Kynvin Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
Espoir Agency Limited
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Jude Lucas Ltd
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
WeakWeak · Hiring · 22% CAGR over 2y
Location
COSMIC RAY MARKETING LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed
Location
TEN THOUSAND HOURS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides creative production and management of corporate events, experiential marketing activations and brand campaigns. Services include event concept development, content production, event…
Serves B2B and public-sector clients, including brands, international corporations and government bodies, particularly marketing, communications and leadership teams running brand experiences,…
Financial Health
DistressedDistressed
Location
PROVEN CONCEPT LTD
Trajectory
3y · 2020–NowFinancial sub-scores
Computed from 3 filingsProvides B2B lead generation through managed cold email outreach campaigns. Services include prospect data sourcing and verification, copywriting, campaign setup, domain and mailbox provisioning,…
Serves B2B companies, particularly SME brands, that want to reach decision-makers through outbound email. Targets sales and marketing teams across multiple sectors, including businesses testing new…
Financial Health
StrongStrong · Hiring · 50% CAGR over 4y
Location
Pie Factory London Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsDesigns and delivers brand experience campaigns, including live events, exhibition stands, retail activations and pop‑up installations. Provides concept development, production and sustainability…
Serves B2B brands and larger organisations seeking purpose-led brand experiences, especially companies with sustainability goals. Targets marketing, brand and events teams across sectors including…
Financial Health
StrongStrong · Growing, Hiring · 50% CAGR over 1y
Location
GOLDEN WOLF LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProduces animated and mixed‑media content for advertising, entertainment, and branded campaigns. Works across 2D and 3D animation to create commercials, digital content, and immersive visual…
Serves brands, advertising and marketing teams, agencies, and entertainment/IP owners commissioning commercial and branded campaigns, immersive experiences, and entertainment-led projects for global…
Financial Health
WeakWeak · -65% CAGR over 4y
Location
YES I'M A DESIGNER LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · -65% CAGR over 4y
Location
House of Langstone Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
BUKMEDIA LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides large-format printing and graphic production services, including signage, window graphics and exhibition displays. Offers design support, photography and video, graphic finishing and…
Serves B2B customers such as marketing, facilities and office teams, retailers, exhibitors and event organisers needing visual communications, signage, displays, workplace graphics and presentation…
Financial Health
DistressedDistressed · -63% CAGR over 4y
Location
Spitfire Marketing Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides marketing strategy, consultancy and campaign planning services. Delivers digital marketing including SEO, paid search, email marketing and conversion optimisation, alongside web design,…
Serves B2B companies of all sizes, primarily ambitious businesses in Hampshire and nationwide, including clients in sectors such as financial services, leisure and software.
Financial Health
HealthyHealthy · -9% CAGR over 2y
Location
VIRALTREND LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides media buying and digital advertising services, managing online advertising campaigns and purchasing media inventory to help brands promote products and scale marketing reach across digital…
Serves brands and marketing teams seeking paid media support to acquire customers and scale campaigns, primarily in a B2B supplier relationship.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
INTEREUROPE COMMUNICATIONS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides strategic marketing and communications services including campaign strategy, digital marketing, branding, creative design and content production. Works with organisations to plan and deliver…
Serves B2B and public/private sector organisations, including brands in home interiors, apprenticeships and training, equipment rental, racing, retail destinations and placemaking.
Financial Health
WeakWeak · -68% CAGR over 4y
Location
The Koozai Group Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides digital marketing services including search engine optimisation (SEO), pay‑per‑click advertising, paid social media campaigns, digital PR and content marketing. Also offers website design…
Serves UK businesses, from SMBs to large enterprises, with clients across ecommerce, travel, hospitality, healthcare, construction, motoring, technology and other sectors, typically marketing teams…
Financial Health
DistressedDistressed · -13% CAGR over 3y
Location
GLASSUP AND STOSKI LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides advertising and graphic design services including brand identity, logo design, and creative campaign development for organisations and brands. Works with clients across sectors to produce…
Serves B2B and institutional clients including brands, agencies, charities, universities, sports management firms, automotive companies and financial services organisations.
Financial Health
StableStable · 0% CAGR over 3y
Location
PERFECT PITCH CONSULTANCY LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides B2B demand and lead generation services, including telemarketing, appointment setting, account‑based marketing (ABM/TAL), intent data targeting, and content syndication. Runs multi‑channel…
Serves B2B brands, technology vendors, software/cloud/security companies, and marketing agencies targeting specific accounts, verticals and decision-maker roles in the UK and EMEA.
Financial Health
DistressedDistressed · -96% CAGR over 2y
Location
WIGGCO HOLIDAY LETTINGS LTD
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides media planning, buying and content marketing services for financial services brands, using data and audience insights to plan campaigns, manage media channels and connect financial…
Serves B2B financial services brands globally, including firms seeking to reach specialist, high-value or hard-to-reach customer audiences across multiple markets.
Financial Health
HealthyHealthy · 0% CAGR over 1y
Location
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides branding, graphic and print design, website design and development, and digital marketing services, including campaigns, animation, video production, copywriting and UX design, supporting…
Serves charities and third-sector organisations, schools and colleges, museums and tourist attractions, and commercial or industrial businesses seeking external creative marketing support.
Financial Health
StableStable
Location
Sandisonpay Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides branding, marketing and creative services including brand strategy, advertising campaigns, product launch support, website design, email marketing, social media content and event branding…
Serves ambitious brands and marketing teams worldwide, from large corporates to growth businesses across insurance, telecoms, FMCG, technology, healthcare, charities and events.
Financial Health
DistressedDistressed · -5% CAGR over 4y
Location
Make Creative Marketing Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital agency services including website design and development, social media management, digital marketing campaigns, paid media, and production of creative content and campaign assets for…
Serves B2B brands and marketing teams across technology, hospitality, sports and betting, consumer goods, fintech and professional services, including larger organisations seeking agency support for…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
THE MINDWORKS MARKETING COMPANY LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides marketing and creative agency services including strategy development, branding, digital advertising, PR, website design and development, film and photography production, events, and digital…
Serves businesses, brands and public-sector organisations, including retail, product-led, recruitment, education and hospitality clients, from SMEs to larger organisations.
Financial Health
DistressedDistressed · -16% CAGR over 4y
Location
Alto Marketing Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides marketing communications services for healthcare, life science, and scientific industries, including content marketing, PR, SEO and search advertising, social media marketing, email…
Serves B2B and consumer organisations in healthcare, life sciences, diagnostics and wider science-led industries, primarily marketing and communications teams in companies operating locally or…
Financial Health
WeakWeak · -8% CAGR over 4y
Location
Briscoe French Communications Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides public relations and digital marketing services including media relations, social media management, content creation, influencer marketing, event PR, crisis communications, and corporate…
Serves businesses and public sector organisations across sectors including travel and tourism, education, aviation, manufacturing and maritime, mainly those seeking external PR and social media…
Financial Health
StableStable · Hiring · 14% CAGR over 3y
Location
OYSTER MARKETING AND DESIGN LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides branding, graphic and print design, website design and development, and digital marketing services. Also delivers animation, video production, campaign development, copywriting, UX design,…
Serves charities and third-sector organisations, schools and colleges, museums and tourist attractions, and commercial or industrial businesses needing external creative and marketing support.
Financial Health
HealthyHealthy · Hiring · 134% CAGR over 2y
Location
DIGITALDINOS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing and web development services, including SEO, pay‑per‑click advertising, paid social media campaigns, ad creative, website design and development, UX/UI design, and website…
Sells to businesses seeking digital marketing and web development support, including brands in equipment hire, leisure, financial services, student accommodation and healthcare, with case studies…
Financial Health
StableStable · Hiring · 34% CAGR over 4y
Location
SLS Marketing Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides digital and direct marketing services including website development, search engine optimisation, pay‑per‑click advertising, social media management, review monitoring and management, and…
Serves B2B clients and brand owners seeking to grow their audience, improve digital visibility, and manage customer reviews across online and direct marketing channels.
Financial Health
WeakWeak · -16% CAGR over 4y
Location
DAMTEQ SOLUTIONS LTD
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides digital marketing and web development services, including SEO, PPC advertising, UX audits, conversion rate optimisation, and digital strategy. Designs and builds websites and web…
Serves businesses and business owners seeking digital growth support, including organisations needing marketing strategy, websites, UX, eCommerce, AI adoption, and consultancy across varied sectors.
Financial Health
StableStable · -62% CAGR over 4y
Location
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How Portsmouth Marketing companies work and how to sell to them
What they do
Portsmouth marketing agencies usually earn through retainers, campaign fees, one-off projects and managed media services. A client may pay for an audit, a launch campaign, ongoing search work, content production, brand refreshes or direct-marketing activity. Some agencies also charge a management fee on media spend, add production mark-ups, or include performance-related elements where reporting is trusted by both sides. The offer is mostly labour and judgement packaged into repeatable delivery, rather than software sold under licence. Smaller specialists tend to monetise a narrow channel skill; multi-discipline teams sell account management, planning, creative production and optimisation as an outsourced marketing function.
Who they sell to
Clients are typically owner-managed businesses, regional SMEs and mid-market firms that need revenue support but may not have a full in-house marketing team. The economic buyer is often a founder, managing director, commercial director or finance lead, while day-to-day evaluation may sit with a marketing manager, ecommerce lead or head of sales. Short assignments can move from brief to proposal with limited procurement, especially where a referral is involved. Retained agency work usually takes longer, as buyers want evidence of sector familiarity, reporting discipline, account coverage and cost control before shifting budget away from an incumbent supplier.
What they buy
Most marketing agencies tend to spend on tools and services that protect billable time, improve campaign measurement or help them win and retain accounts. Common categories include CRM, proposal software, project management, time recording, billing, accounting, payroll, HR, recruitment, design production, analytics, reporting, consent management and cybersecurity. Agencies handling paid media or direct marketing also need systems for campaign tracking, audience management, approvals and record-keeping. Professional services matter as well: accountants, contract lawyers, employment advisers, insurance brokers and freelance talent are all relevant suppliers when workloads fluctuate and client scopes change at short notice.
Why and how to sell to them
Marketing agency buyers tend to evaluate suppliers when client churn rises, a new retainer stretches delivery capacity, reporting becomes too manual, or margin pressure exposes too much non-billable work. Other triggers include senior hires, a move into a new channel, new compliance obligations around consent and claims, or the need to professionalise finance and forecasting. Outbound messaging usually lands better when it links to agency economics: utilisation, client retention, proof of return, faster reporting, fewer approval errors and lower delivery risk. Portsmouth agencies are likely to compare any purchase against freelance labour, existing subscriptions and the immediate pressure of client deadlines.
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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