London (Borough High Street, SE1)
Best for: B2B SaaS, AI and tech companies wanting an ICP, positioning and 90-day go-to-market plan from a SaaS specialist
A London agency that works with B2B SaaS, AI and tech companies. Its GTM Strategy service covers discovery, ICP and personas, positioning and messaging, and a 90-day plan in 30-day sprints, and it has the largest body of verified Clutch reviews on this list.
- Clutch lists Gripped as headquartered in London, founded in 2017, with a 4.9 out of 5 rating from 32 reviews, a $5,000+ minimum project size and $100-$149 hourly rates; marketing strategy is one of ten listed service lines.[7]
- Clutch reviewers include Crownpeak's VP Marketing, who says Gripped combined strategic guidance with hands-on execution, and Scoutbee's CTO, whose engagement began with restructuring the company's marketing strategy.[7]
- Gripped's GTM Strategy service covers a discovery audit, ICP and buyer personas, a positioning statement and messaging frameworks, a 90-day plan in three 30-day sprints and a 6, 12 and 18-month roadmap, tracked on KPIs such as CAC, LTV and MQL-to-SQL conversion.[6]
- Its website says it has helped 160+ SaaS, AI and tech companies since 2017 and names clients including Ideagen, Epicor, Ravelin and Crownpeak.[5]
London, with teams in Dubai and Auckland
Best for: SaaS and technology companies wanting senior marketing leadership that sets distinct priorities for activation, sales-led pipeline and retention
A B2B growth marketing agency founded in 2022. Its SaaS marketing strategy service provides senior marketing leadership that sets positioning, ICP, channel mix, budget and a 12-month plan, then directs the specialists who deliver it. All claims here are from MxD Digital's own website.
- MxD Digital's SaaS strategy page says the service covers positioning, ICP, category narrative, channel mix, budget allocation and a 12-month plan, plus an AI-era operating model, team and agency leadership, and a board and investor narrative.[2]
- MxD Digital says a SaaS plan should set distinct priorities for activation, sales-led pipeline and retention, and judges the plan by qualified demand, sales progress, customer value and return on resources, also checking activated trials, qualified demos, paid conversion and CAC payback.[2]
- It describes the service as senior marketing leadership with the operating support to deliver the plan, in which the leader who sets the plan directs the specialists who execute it and manages in-house marketers, agencies and partners against one plan.[2]
- MxD Digital's B2B marketing page says engagements start with a 30-day audit, day 90 includes a formal pipeline review with the client's right to walk, and engagement pricing is published in the proposal, fixed for the duration, and quoted against scope.[3]
- MxD Digital says it was founded in 2022, has teams in London, Dubai and Auckland, and has helped 30+ businesses across seven industries.[1][4]
Best for: Start-up and growth-stage B2B SaaS firms wanting a full-funnel demand strategy and messaging delivered by the same team
A London agency that describes itself as a SaaS marketing agency and offers demand generation strategy alongside paid, SEO, content and conversion work. Clutch reviewers describe go-to-market plans, messaging playbooks and annual marketing strategies.
- Clutch lists Rocket SaaS as headquartered in London, founded in 2013, with a 4.9 out of 5 rating from 16 reviews, a $5,000+ minimum project size and $150-$199 hourly rates, with marketing strategy accounting for 25% of its service mix.[9]
- Clutch reviews describe Rocket SaaS composing a go-to-market strategy for NOTWICS, supporting Klipboard's positioning and go-to-market plan, and delivering a marketing strategy presentation and messaging playbook for Startle.[9]
- Its website lists a full-funnel demand generation strategy service alongside LinkedIn, Meta and Google ads, SEO, content and ABM Lite, and names SaaS clients including Forecast, Fonn and RAM Tracking.[8]
London (York House, Pentonville Road, N1), with a Boston office
Best for: Enterprise technology brands wanting strategy tied to global media planning and KPI-led analytics
A B2B growth agency with London and Boston offices whose services run from strategy through media planning, marketing technology and analytics. Its case studies are largely enterprise technology: Okta, HPE, Algolia and Hitachi Vantara.
- Realm B2B came ninth in B2B Marketing's 2026 list of the top 10 UK agencies specialising in market and strategy planning.[11]
- Realm B2B won Bronze for best use of media at the B2B Marketing Awards 2025 with 'Unlock Ambition' for Hewlett Packard Enterprise.[12]
- Its website lists strategy, media planning and activation, marketing technology and analytics (starting with KPI and goal mapping), with case studies for Okta, HPE, Algolia and Hitachi Vantara and offices in London and Boston.[10]
London (Maguire Street, SE1), with international offices
Best for: Larger technology companies wanting a go-to-market audit and operating model that joins sales, marketing and product
A global B2B marketing agency with a London office whose go-to-market service covers GTM audit and architecture, audience strategy, journey mapping, sales and marketing alignment and measurement planning. Its named clients are mostly technology companies.
- Transmission ranked eighth in B2B Marketing's 2026 league table of the top 10 UK marketing agencies.[15]
- Its go-to-market services page covers GTM audit and architecture, audience strategy, customer journey mapping, organisational enablement, campaign planning and measurement planning, and names clients including AutoStore, Bricsys, Enfuce and Software AG.[14]
- Its website lists a London office at The Clove Building, 4 Maguire Street, plus growth consulting and brand strategy services and case studies for Microsoft and Qualcomm.[13]
London (Clipstone Street, W1W), with a Boston team
Best for: B2B tech and AI SaaS companies whose strategy needs to lead with positioning, PR and analyst relations
A London B2B tech PR and marketing agency whose strategy services cover research, segmentation, targeting and positioning, with PR, content and demand generation behind them. It lists AI SaaS among its sectors.
- Babel came tenth in B2B Marketing's 2026 list of the top 10 UK agencies specialising in market and strategy planning.[11]
- Babel describes itself as a B2B tech PR and marketing agency, lists sectors including enterprise, cybersecurity, fintech and AI SaaS, offers research, segmentation, targeting and positioning services, and names clients including Openreach, Glean, Ciena and Amdocs.[16]