Business Details
26 Years
experience
Trusted B2B Telemarketing Services in London
Established in 2000, GSA Marketing has built a reputation as a trusted partner for B2B telemarketing and lead generation solutions. Our expertise spans decades, combining traditional telemarketing with digital strategies to deliver targeted results for clients across the UK and internationally. We prioritise transparency, offering a no-surprises approach by thoroughly understanding client objectives before proposing tailored solutions, whether for campaign execution, database building, or training. Our management team brings deep industry experience, having worked with global brands like Porsche, Capita, and Veolia to refine sales strategies and market positioning. Our telemarketers are rigorously selected and trained, ensuring peer-to-peer engagement that identifies client pain points and opportunities.Clients benefit from direct access to dedicated teams, real-time reporting, and multilingual capabilities for international campaigns. We uphold core values of pragmatism, honesty, and collaboration, evidenced by long-term client relationships and testimonials praising our proactive communication and KPI-driven focus. Our services extend to data validation, LinkedIn marketing, and inbound enquiry management, ensuring comprehensive support for business growth. With offices in London and partnerships for global reach, we combine local expertise with scalable solutions. Our commitment to continuous improvement is reflected in daily analytics, adaptive strategies, and a client-centric ethos that has earned recognition from organisations like the Hong Kong Trade Development Council and Miele Professional.
Services
B2B Telemarketing
Lead Generation
Appointment Setting
Data Cleaning
Marketing Consultancy
Inbound Enquiry Management
Telemarketing Training
Multilingual Outreach
Database Building
LinkedIn Campaigns
Details
- Year established: 2000
Highlights and features
- We have over 20 years of B2B lead generation experience since 2000
- Our multilingual telemarketing teams serve global markets effectively
- We guarantee GDPR-compliant data validation and cleaning services
- Clients receive daily analytics and KPI-driven campaign optimisation
- Our team includes former senior sales professionals from major corporations
What people say
Exceptional service
Impeccable reporting
Multilingual capabilities
Proactive communication
Targeted results
Services
B2B Telemarketing
Our B2B telemarketing services combine strategic planning with execution excellence. We specialise in account-based marketing campaigns, cross-selling to existing clients, and generating leads for new product launches. Our UK-based team undergoes rigorous training to engage decision-makers in peer-to-peer conversations that identify business challenges and opportunities. With multilingual capabilities and partnerships for global reach, we deliver campaigns for major corporations and SMEs across sectors including automotive, technology, and professional services. Clients benefit from weekly reviews, call recordings, and real-time reporting to optimise campaign performance.
Lead Generation
Our lead generation solutions focus on quality over quantity, delivering qualified prospects through integrated multi-channel campaigns. We combine telemarketing with LinkedIn outreach and data validation to ensure accurate targeting. Services include senior-level appointment setting, event follow-up campaigns, and intent-based marketing that minimises wasted effort. Our approach includes database building from scratch, market pre-qualification, and lapsed customer re-engagement. With daily analytics and weekly performance reviews, we ensure campaigns remain aligned with business objectives while maintaining GDPR compliance throughout the lead generation process.
Data Services
We provide comprehensive data services to enhance marketing effectiveness, including bespoke list building, data cleaning, and validation. Our team uses LinkedIn, online directories, and direct calling to create targeted marketing lists while ensuring GDPR compliance. Services include phone list verification, deduplication, and enrichment of existing databases with missing contact details. We specialise in international data projects, market insight research, and reseller profiling. Our validation processes ensure 98%+ accuracy rates, significantly improving campaign ROI for clients across multiple sectors through enhanced targeting precision.
Telemarketing Training
Our telemarketing training programs develop high-performing sales teams through practical, experience-based learning. Delivered by industry veterans with decades of B2B sales experience, the curriculum covers objection handling, benefit analysis, and effective questioning techniques. We provide on-site training sessions tailored to specific business needs, with pre- and post-training support to ensure knowledge retention. Clients receive recorded call analysis and personalised feedback to refine their approach. Training programs are available for both internal teams and outsourced telemarketing operations, with a focus on practical implementation rather than theoretical concepts.
Inbound Enquiry Management
Our inbound enquiry management service ensures no sales opportunity is missed through rapid response and persistent follow-up. We qualify leads, schedule appointments, and maintain detailed records of all interactions. The service includes immediate response to web form submissions, email enquiries, and social media leads, with escalation protocols for high-priority prospects. We use CRM integration to track lead progression and provide clients with real-time dashboards showing conversion rates and pipeline value. Our approach combines automated tracking with human oversight to maintain personal engagement while ensuring process efficiency.
People
Jonathan Silverman
Managing Director
With 16 years in senior sales roles at Cover Girl and Porsche Cars GB, Jonathan founded GSA Marketing in 2000. He specialises in B2B sales strategy and has consulted for Bentley Motors and Capita. A regular industry speaker, he develops training programs and produces educational content on lead generation. Fluent in French and an Arsenal supporter, he focuses on client strategy and campaign planning.
Kevin Harmsworth
Telemarketing Operations Manager
Kevin brings 17 years of B2B telemarketing experience, including 10 years in senior management roles. He has managed teams for American Express and Pearson Education, developing a three-stage training program for telemarketers. His expertise includes data analysis and ROI optimisation for global campaigns. A Tottenham fan, he oversees multilingual operations across Europe and beyond while maintaining close client relationships.
Questions
What B2B telemarketing services do you offer?
We provide senior-level appointment setting, account-based marketing campaigns, event follow-up services, and multilingual telemarketing. Our services include lead qualification, market research, and integrated campaigns combining telemarketing with LinkedIn outreach to target specific decision-makers.
How do you ensure data quality for marketing campaigns?
We use phone validation, deduplication, and enrichment processes to ensure 98%+ data accuracy. Our services include building bespoke marketing lists from scratch, validating existing databases, and GDPR-compliant consent gathering through recorded calls.
Can you support international marketing campaigns?
Yes, we have multilingual telemarketers and partner agencies across Europe and globally. Our teams handle campaigns in multiple languages with local market expertise, supported by centralised quality control and reporting from our London headquarters.
What reporting do you provide during campaigns?
Clients receive daily analytics dashboards, weekly performance reviews, and call recordings. We track KPIs like contact rates, appointment conversions, and ROI metrics with real-time access to campaign data through secure online portals.
Do you offer telemarketing training programs?
Yes, we deliver customised training covering objection handling, benefit analysis, and effective questioning techniques. Our programs include pre- and post-training support with recorded call analysis and personalised feedback for continuous improvement.
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