About Firstline
Geospatial Services
A SURCON-registered land surveying company built on 15 years of precision, professionalism, and an unwavering commitment to protecting land investments across Lagos, Nigeria.
Our Story
Precision That Goes Beyond the Survey Plan
Firstline Geospatial Services Limited was built on a simple but powerful conviction: every developer, property owner, and engineer in Lagos deserves survey data they can trust completely.
From our base in Ikeja, we have watched the Lagos real estate and infrastructure sector grow at a pace unlike anywhere else in Africa. With that growth came complexity including boundary disputes, inaccurate plans, outdated methods, and decisions made on data that should never have been trusted. Firstline was founded to change that.
We combine the discipline of traditional surveying practice with modern geospatial technology including total stations, GNSS receivers, GIS software and drone systems to deliver outputs that are not just accurate, but legally sound, regulation-compliant, and decision-ready from the moment they leave our office.
Every project we take on, whether a single residential plot in Ikeja or a multi-hectare development in Ibeju-Lekki, receives the same rigorous process, the same professional standards, and the same commitment to getting it right the first time.
The Person Behind the Brand
Meet the Managing Partner
15 years of precision. One name trusted across Lagos. Get to know the professional leading every project we undertake.
Surv. Mrs. Oriyomi Rachael Adeyemi
Managing Partner, Firstline Geospatial Services Limited
Surv. Mrs. Oriyomi Rachael Adeyemi is a highly experienced Land Surveyor and Geospatial Professional with over 15 years of proven expertise in Surveying and Geoinformatics. She is widely recognized across Lagos and Nigeria for her precision, professionalism, and commitment to delivering accurate geospatial solutions that support safe, sustainable, and development-driven projects. You can verify her professional standing on the Association of Professional Private Surveyors of Nigeria member directory.
Over the course of her career, she has contributed to multiple notable projects within Nigeria's surveying and geospatial sector, building a strong reputation for technical excellence and reliable project execution. As the Managing Partner of Firstline Geospatial Services Limited, she leads every engagement with the same standard of rigor and care, from residential cadastral surveys in Ikeja to large-scale infrastructure projects across Lagos State.
Beyond her professional practice, she is a committed advocate for the advancement of the surveying profession in Nigeria. She currently serves as the State Chair of the Young Surveyors Network, contributing to industry growth, collaboration, and professional development. She is passionate about mentoring emerging professionals and driving innovation within Nigeria's geospatial industry. Follow Firstline Geospatial Services on LinkedIn for project updates, industry insights, and team news.
Academic Qualifications
Professional Memberships
Our Foundation
Vision, Mission and Core Values
Everything we do is guided by a clear sense of purpose: delivering precision that protects people, properties, and investments.
Our Vision
To be a globally recognized leader in geospatial solutions, delivering precision, innovation and value across borders, to become Nigeria's most trusted name in land surveying and spatial data services.
Our Mission
Core Values
How We Work
Our Survey Delivery Process
Every project follows the same rigorous step process, ensuring accuracy, transparency, and on-time delivery every single time.
Project Understanding
We analyse your requirements, site conditions, regulatory context, and project goals before a single instrument is unpacked.
Site Reconnaissance
Thorough pre-survey inspection to identify access points, boundary markers, existing structures, and field challenges.
Field Survey
Precision data acquisition using calibrated total stations, GNSS receivers, and drone systems for reliable, accurate capture.
Data Processing and QA
All field data is rigorously processed and subjected to quality checks before any survey output is produced or delivered.
Our Credentials
Licensed, Registered and Fully Compliant
Every survey delivered by Firstline Geospatial is backed by professional licensing, regulatory compliance, and years of proven field experience.
Our Team
The People Behind Every Survey
A small, focused team of dedicated geospatial professionals committed to delivering precision on every project across Lagos.
Licensed Land Surveyor with 15+ years of expertise in Surveying and Geoinformatics. B.Tech, Bells University. State Chair, Young Surveyors Network. Leading every project with precision and regulatory compliance.
Co-Founder of Firstline Geospatial Services Limited, contributing to the strategic growth and operational direction of the company across Lagos and beyond.
Work With a Licensed Surveyor
Ready to Work With Ikeja's Most Trusted Land Surveying Team?
SURCON registered. Regulation compliant. 15 years of precision. Book a survey and get results you can build on.