Telemarketing, Data Building & Lead Generation Specialists

Get better quality leads - Win more sales

Telemarketing & B2B Lead Generation to help you grow your business in the UK and internationally

Let us use our 50+ years experience to help your lead generation activity

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‘I need appointments for my sales team

We put you in front of the right prospects for business opportunities with our B2B appointment setting services.

‘I need help with database building’

We build bespoke lists and validate existing databases to ensure your lead generation hits the right targets.

‘I need help with lead generation’

We generate quality leads, not just quantity, giving you the best opportunity to convert and win new business.

About us

Our clients tell us that amongst the reasons they work with us is that we provide sound and unbiased advice and that we offer a no surprises approach with transparency that’s hard to find elsewhere. That means we work in partnership with our customers to never over-promise and under-deliver.

We offer an intelligent approach to cold calling and lead generation. Reinforced by fantastic reporting and high levels of communication, this provides a recipe for success.

The data sources that we use for this type of analysis include customer enquiry data, sales figures, costs, market data and customer feedback.

We can help you with

B2B Telemarketing

Outbound calling to generate quality sales leads.

Appointment Setting

Fill your diaries with quality sales appointments

UK and International Database Building

Bespoke marketing list for targeted lead generation.

Intelligent Email Marketing + Data

A blend of targeted data and clever email marketing

Telemarketing Training

Ensure your team delivers great telemarketing calls

Database Cleaning & Validation Services

Enhance your database through effective validation


Ready to increase your sales leads?
Contact us today

GSA provides an international and UK-wide service based in London. We have clients from France to Finland, Falkirk to Plymouth, Shrewsbury to Stockport and Belfast to Birmingham.

0330 335 1380

Correspondence Address

Unit 18. Upper Lye Lane, Horseshoe Business Park, Bricket Wood St. Albans AL2 3TA

Check out our Blog:

child growth bar

10 Ideas to Help Your Business Grow in 2016?

At the start of 2016, consumers and businesses are more forward looking. We’ve got more money in our pockets. There are still risks but, in general terms, organisations have started to invest again in all kinds of products and services. Has your business taken advantage of growth in the economy? Was last year a good one? And what are you doing to prepare for a positive new year? In this blog, we take a look at some of the things you might want to consider for 2016 in terms of your growth plans.

Read More »

GSA Business Development Ltd Company registration: 4796080 Registered Office: 73 Cornhill, London, EC3V 3QQ | VAT Reg No: 763 7222 25 | Data Protection Registration: ZA165880 | All rights reserved