B2B Lead Generation Agency Singapore
The Team Behind Your Singapore Pipeline Growth
Callbox Singapore has spent over 15 years helping B2B companies secure qualified leads, book real appointments, and grow revenue. As the regional hub of Callbox’s Southeast Asian operations, we combine local market knowledge with a global track record to turn outreach into pipeline you can count on.
Our Mission & Vision
Driving Growth for B2B Companies in Singapore and Beyond
Our Mission
To be the Growth Strategy Partner that transforms B2B sales and marketing for businesses worldwide. We provide businesses with the people, processes, and platforms needed to drive growth and create meaningful connections with their ideal customers.
We’ve built an environment at Callbox that unites seamless lead management, top-tier sales support, and strategic marketing initiatives, designed to simplify how organisations identify, reach, and engage their prospective clients.
Our Vision
To revolutionise B2B sales and marketing, setting new industry standards and inspiring positive change. We aspire to be the go-to partner for businesses seeking not just leads, but a pathway to sustained success.
By harnessing the power of data, embracing innovation, and fostering a culture of continuous improvement, we envision a future where every client realises the full potential of their business ambitions.
Callbox Singapore by the Numbers
Over a decade of measurable results helping businesses grow in Singapore and Southeast Asia.
Callbox drives business success through 15+ years of experience by delivering quality leads, utilizing industry expertise, and expanding into APAC markets.
Request Pricing →We are the go-to partner for enterprise and scaling businesses seeking lead generation, sales appointment setting, and outbound sales development expertise.
Read Success Stories →Build the perfect audience for your outreach with our comprehensive contact data.
Book a meeting with us →Delivering qualified leads with valuable sales and market intelligence, ensuring timely, efficient, and cost-effective solutions.
Explore our Lead Gen Services →Streamline prospecting efforts and identify ideal prospects efficiently with our extensive in-house database and additional data resources.
Maximize your event ROI and secure event leads & registrations with Callbox's event management services.
Gain more B2B event attendees →Find out how our sales expertise can drive your success

Our Story
Founded in 2004 by Rom Agustin as a Los Angeles, CA startup, Callbox rapidly grew its customer base into new industry verticals and geographic areas, thanks to strong demand for its suite of innovative B2B marketing solutions.
Callbox established its Singapore office in February 2009, after two years of running campaigns for local companies and multinational organisations expanding into Singapore and Southeast Asia. Today, Callbox Singapore is the company's regional hub for Southeast Asian sales and marketing solutions.
Our Strategy
Callbox Singapore develops tailor-made campaigns with its proven multi-touch, multi-channel philosophy. We combine phone, email, social, and online channels to reach and engage your target prospects. We then connect and follow up as many times as needed to get the right results.
With this marketing approach, Callbox has now successfully carried out more than 10,000 campaigns that helped our customers achieve their desired business outcomes.
About You
Built for the Leaders Driving B2B Growth in Singapore and APAC
We work best with growth-minded revenue teams who need a reliable, expert partner, not just a vendor.
Sales Leaders
You’re accountable for quota, but tired of chasing unqualified leads. You need a predictable, scalable pipeline, not just activity.
Marketing Leaders
You drive demand generation but need to convert pipeline into revenue. You need qualified leads that actually close, not just MQLs.
Growth & Regional Expansion Leaders
You’re scaling into new Singapore or APAC markets and need a proven outbound motion, without building a full in-house SDR team from scratch.
Enterprise Accounts
You operate in complex, multi-stakeholder deals across the region. You need deep account intelligence and appointment-setting that respects your buyers.
The people who make the pipeline move
Our leadership team brings decades of B2B, technology, and operations experience to every strategy we build.
Ready to fill your
pipeline?
Book a free strategy session with a lead generation expert. No commitment — just a clear plan to grow your pipeline.





