The Sales Factory
Description: The Sales Factory is a top B2B lead generation agency that helps businesses grow using data-driven strategies and qualified sales leads. They work with companies of all sizes—from startups to Fortune 100s—offering custom sales solutions based on specific goals. Their services solve key challenges like lack of talent, time, or technology by providing expert teams, streamlined processes, and powerful software. Their 8-step process includes identifying ideal customers, creating effective messaging, and optimizing with advanced tools. The Sales Factory also helps companies build and scale sales teams. In 2024, they earned major honors from Clutch and G2 and were ranked #9 in The Globe and Mail’s Top Growing Companies. They’ve booked over 1,000 meetings monthly and built $20 million+ in pipeline value for clients.
Reviews from clients: The Sales Factory's transparency and consistent hard work have been impressive.
GLO - Generate Leads Online
Description: Generate Leads Online (GLO) is a UK-based digital marketing and lead generation agency founded in 2019. Headquartered in Ipswich, they help B2B and B2C businesses attract and convert high-quality leads using inbound strategies like SEO, PPC, social media, content creation, and rebranding. GLO stands out by delivering exclusive, real-time leads that are already interested in a client’s service or product. They offer flexible pricing models such as pay-per-lead or revenue-share, making lead generation cost-effective. GLO is a certified Google Partner and a member of the Data & Marketing Association. By March 2022, they had generated over 30,000 quality leads, showing their strong track record. Clients praise their ROI-focused results, transparent monthly reporting, and expertise in LinkedIn lead generation for tech firms worldwide.
Reviews from clients: We’re really impressed with John — he’s very good at his job, and we have no complaints about his performance.
Whistle
Description: Whistle is a top-rated Sales Development Agency that helps businesses grow faster by booking qualified meetings for their sales teams. Since 2018, they’ve worked with over 300 global startups, generating more than $100 million in opportunities. Their clients have raised over $2 billion in funding. Whistle offers fully managed SDR services, appointment setting, RevOps for HubSpot, SEO consulting, and human-validated data on demand. With a performance-first approach, they deliver fast results—often launching campaigns within 10 days. As a HubSpot Platinum Partner, Whistle integrates with leading sales tools and supports clients through webinars and calculators. Recognized as a top lead generation firm, Whistle was named a Top 100 Company to Watch by FoundersBeta and ranked 4th at Collision Conf 2024. Trusted by brands like Intel, Zendesk, and Wix.
Reviews from clients: Their consistent communication of updates has ensured alignment with the project's objectives.
SocialBloom
Description: SocialBloom.io is a top lead generation company known for its hyper-personalized outbound and inbound marketing strategies. They focus on identifying real buying signals to deliver high-quality leads that are ready to convert, helping businesses grow with precision. With an average conversion rate of 6.8% and over 18,000 high-quality leads delivered, SocialBloom has driven more than $189 million in revenue for clients. Their approach blends data-driven insights and multi-channel tactics to target the right prospects at the right time. Notable successes include generating $476K for Luster Social in eight weeks and $12 million for Bifrost in 2024. With a strong reputation—5.0 stars on Google and 4.9 on Clutch—they even promise a 2X ROI within six months or your money back, making them a trusted partner in revenue-focused lead generation.
Reviews from clients: They are honest and transparent about what's working and what's not. We have come to trust them.