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Business Details
26 Years
experience
Trusted B2B Telemarketing & Lead Generation Solutions
Established in 2000, GSA Marketing has built a reputation as a trusted partner for B2B telemarketing and lead generation services. Our approach combines transparency, expertise, and a results-driven mindset to deliver tailored solutions for clients across the UK and internationally. We prioritise understanding our clients' unique needs before designing campaigns that align with their business objectives, whether through targeted telemarketing, data services, or integrated marketing strategies. Our team comprises experienced professionals who undergo rigorous training to ensure they engage effectively with decision-makers, fostering peer-to-peer conversations that identify business pain points and opportunities. We maintain open communication channels with clients, offering daily KPI tracking, weekly reviews, and actionable insights to optimise campaign performance.

Backed by decades of industry experience, we adhere to strict ethical standards, avoiding over-promises and focusing on sustainable growth. Our commitment to quality is reflected in our ISO-certified processes, multilingual capabilities, and a track record of long-term client relationships. We extend our services to include data validation, market research, and LinkedIn campaign management, ensuring comprehensive support for sales pipelines. Recognised for our pragmatic advice and collaborative ethos, we aim to be a seamless extension of our clients' teams, adapting flexibly to evolving requirements while maintaining proactive communication.
Services
B2B Telemarketing Appointment Setting Data Cleaning Market Research LinkedIn Campaigns Inbound Enquiry Management Telemarketing Training Database Building Lead Validation Event Follow-Up
Details
  • Year established: 2000
Highlights and features
  • We have over 20 years of experience in B2B telemarketing and lead generation.
  • Our transparent approach ensures no hidden fees or over-promises.
  • We offer multilingual telemarketing capabilities for international campaigns.
  • Our team undergoes rigorous training for peer-to-peer engagement with decision-makers.
  • Daily KPI tracking and weekly reviews optimise campaign performance.
What people say
Exceptional service Professional approach Transparent reporting High-quality leads Multilingual support
Services
B2B Telemarketing
Our B2B telemarketing services target decision-makers through tailored campaigns, combining script precision with adaptive conversation techniques. We specialise in account-based marketing, cross-selling, and lead nurturing, ensuring alignment with clients' sales objectives. Our UK-based team undergoes sector-specific training to engage prospects effectively, with multilingual support for global outreach. Campaigns are supported by daily performance metrics and weekly client reviews to refine strategies dynamically.
Appointment Setting
We generate qualified sales appointments by identifying target prospects and conducting outreach that resonates with their business needs. Our process includes script development, objection handling, and follow-up protocols to secure meetings. Clients receive detailed prospect profiles and real-time booking updates, ensuring seamless handover to internal sales teams for conversion.
Data Cleaning
Our data cleaning services enhance marketing ROI by verifying contact details, appending missing information, and removing duplicates. We use telephone validation and digital tools to ensure GDPR compliance, improving campaign accuracy. Services include list segmentation, consent gathering, and integration with CRM systems for targeted outreach.
Market Research
We conduct telemarketing-based market research to gather actionable insights on customer preferences and market trends. Our approach includes questionnaire design, data collection, and analysis to inform product development and marketing strategies. Clients receive comprehensive reports with segmentation and competitor benchmarking.
LinkedIn Campaigns
Our LinkedIn campaign management combines profile optimisation, direct messaging, and telemarketing follow-up to generate warm leads. We focus on building professional connections and nurturing relationships through targeted content engagement, ensuring alignment with clients' brand voice and sales goals.
People
Jonathan Silverman
Managing Director
With 16 years in senior sales roles at Cover Girl and Porsche, Jonathan founded GSA in 2000. He specialises in B2B marketing strategy and telemarketing training, delivering seminars for the Institute of Direct Marketing. Fluent in French, he focuses on client strategy sessions and route-to-market planning.
Kevin Harmsworth
Telemarketing Operations Manager
Kevin has 17 years in B2B telemarketing, including 10 years in management roles at American Express and Pearson Education. He designs training programs for telemarketers and manages multilingual campaigns across Europe. His expertise lies in data analysis and ROI-driven campaign execution.
Questions
What B2B telemarketing services do you offer?
We provide targeted telemarketing campaigns, appointment setting, market research, and telemarketing training, tailored to your industry and objectives.
How do you ensure data quality for campaigns?
We validate databases through telephone checks, append missing fields, and ensure GDPR compliance via consent gathering and TPS screening.
Can you handle international telemarketing projects?
Yes, we offer multilingual telemarketing in 18+ European and North American markets with native-speaking teams.
What reporting do you provide during campaigns?
Clients receive daily KPI updates, weekly performance reviews, and detailed post-campaign analysis with actionable insights.
How do you train internal sales teams?
Our training covers objection handling, script development, and ROI-focused techniques, delivered via workshops and call feedback sessions.
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