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Outbound agencies in the UK

13 agencies in the index run outbound and serve buyers in the UK. Ranked by the evidence on record, the first three are SalesAR (UK), mgsh (London, UK, from $10,000 a month) and Sopro (Brighton, UK). UK buyers expect short, plain emails, British spelling and an easy way to say no. Most tech and financial services buyers sit in London, while manufacturing buyers sit in the Midlands and the North. One of the 13 publishes a monthly minimum: mgsh at $10,000. 0 offer pay-per-meeting pricing and 1 offers pay-per-lead; the rest work on a retainer or do not say. The services most often offered here are cold email, appointment setting and cold calling. 4 build on Clay, 0 work inside HubSpot and 9 use their own or undisclosed tools. 6 have a Clutch or G2 rating on file with the date it was read. Filter the table by budget, stack and pricing model to narrow the list.

13 agencies·Updated 17 October 2026·How we rank

Outbound agencies in the UK, ranked
#AgencyHQStackFrom (monthly)ModelProofBadges
1 SalesAR↗ UK Custom Ask Not published Clutch4.8 (136) Top Outbound Agency UK 2026
2 mgsh↗ Two-person founder-led Clay boutique London, UK Clay $10,000 Retainer n/a Clay NativeTop Outbound Agency UK 2026
3 Sopro↗ Also runs a Miami entity Brighton, UK Custom Ask Not published G24.9 (17) Top Outbound Agency UK 2026
4 Spring Drive↗ London + New York London, UK Clay Ask Not published Clutch4.9 (12) Clay Native
5 Konsyg↗ 200+ clients claimed Singapore, SG Custom Ask Not published G24.7 (17) SDR Pod
6 Vanderbuild↗ Retainer, project or pay-per-warm-lead Warsaw, PL Clay Ask Hybrid n/a Clay Native
7 StackOptimise↗ Free trial contacting 6,000 ICP leads London, UK Clay, Smartlead Ask Not published n/a Clay Native
8 ORRJO↗ Transparent monthly pricing claimed Glasgow, UK Custom Ask Retainer n/a SDR Pod
9 MarketMakers↗ High-volume telemarketing SDR Portsmouth, UK Custom Ask Not published G25.0 (1) SDR Pod
10 The Lead Generation Company↗ Telemarketing-led Glasgow, UK Custom Ask Not published Clutch0.5 (1) none
11 Focus One↗ IE Custom Ask Not published n/a none
12 Pearl Lemon Leads↗ US arm at pearllemonleadsusa.com London, UK Custom Ask Not published n/a SDR Pod
13 Punch!↗ ABM + human SDRs London, UK Custom Ask Not published n/a SDR Pod

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What differs in the UK

  • Compliance:PECR lets you email corporate subscribers without consent if you identify yourself and offer an opt-out; sole traders and partnerships need consent, and UK GDPR governs the data.
  • Budget:One of the 13 publishes a monthly minimum: mgsh at $10,000.

Questions

How much does an outbound agency cost?
One of the 13 publishes a monthly minimum: mgsh at $10,000. Setup fees and minimum terms vary, so ask for both before comparing monthly prices.
Retainer or pay-per-meeting?
A retainer buys an agreed scope each month and suits a defined ICP with at least three months of runway. Pay-per-meeting moves the risk to the agency and suits offers with a short sales cycle. On this page, 0 agencies offer pay-per-meeting pricing and 1 pay-per-lead.
How long until results?
New sending domains need two to three weeks of warm-up before volume goes out, and list building runs alongside it. Most agencies quote first meetings in weeks four to eight.
Does the stack matter?
4 of the 13 build on Clay and 0 work inside HubSpot. Ask who owns the sending domains, the data and the workflows when the engagement ends; some agencies hand them over and some keep them.