123-lumpsum is a specialized technology and services company dedicated to streamlining financial operations for project-driven industries. We provide a comprehensive suite of tools and expert consulting to help businesses manage lump-sum contracts, optimize project profitability, and ensure financial transparency. Our solutions cater to sectors such as construction, engineering, consulting, and IT services, enabling them to effectively bid, track, and deliver projects with greater financial control and predictability. At 123-lumpsum, we are committed to innovation, client success, and simplifying complex financial workflows.
The Denver headquarters serves as the primary center for executive leadership, core software development, global sales and marketing operations, and client support services.
Our Denver office boasts a modern, open-concept design promoting collaboration, with state-of-the-art R&D facilities and panoramic views of the Rocky Mountains.
The HQ fosters a dynamic and innovative work culture, encouraging agile methodologies, continuous learning, and a strong emphasis on work-life balance. Employees benefit from collaborative spaces, regular team events, and opportunities for professional growth.
The Denver location provides access to a rich talent pool in software engineering and financial technology, along with a central U.S. position beneficial for national client engagement.
123-lumpsum supports its global clientele through its headquarters in Denver, USA, and key regional offices in London, UK, and Singapore. These international offices enable us to provide localized sales, support, and product development, ensuring our solutions meet the diverse needs of project-based businesses worldwide. Our cloud-based platform further allows us to serve customers in over 50 countries, transcending geographical boundaries.
456 Financial Plaza, Suite 700
Denver
Colorado
USA
Address: 12 FinTech Tower, Canary Wharf, London, E14 5GN, UK
To expand market penetration in Europe and provide tailored support to our growing international client base in the region, ensuring compliance with local financial standards.
Address: 789 Tech Park Avenue, #12-34, Singapore 038989
To capitalize on the dynamic growth in the APAC region, offering localized product features and support to meet the specific demands of diverse Asian economies.
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As of April 2025, 123-lumpsum' leadership includes:
123-lumpsum has been backed by several prominent investors over the years, including:
In the past year, 123-lumpsum strategically expanded its leadership team with the appointment of a new Chief Product Officer to drive innovation, and saw a planned transition in the Chief Marketing Officer role.
Discover the tools 123-lumpsum uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
123-lumpsum primarily utilizes the [first_initial][last] email format (e.g., jdoe@123-lumpsum-solutions.com). Less commonly, [first].[last] (e.g., jane.doe@123-lumpsum-solutions.com) may be used for some individuals or legacy accounts.
flast@123-lumpsum-solutions.com
Format
evance@123-lumpsum-solutions.com
Example
90%
Success rate
Project Finance Today • 2024-03-15
123-lumpsum announced the integration of advanced AI algorithms into its flagship platform, enhancing predictive accuracy for project costs and timelines. This new feature aims to help clients better manage risks associated with lump-sum contracts....more
Global Construction Review • 2023-11-20
Following strong growth in the Asia-Pacific region, 123-lumpsum has expanded its Singapore office capabilities, adding dedicated support teams and localized product features for construction and infrastructure projects....more
Tech Solutions Wire • 2023-09-05
123-lumpsum today announced the appointment of Aisha Khan as its new Chief Product Officer. Khan will lead the company's product vision and strategy, focusing on customer-centric innovation in financial management solutions....more
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