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I need a verified database of 30,000 companies operating in the oil & gas, investment, and manufacturing sectors across the UAE, Singapore, Hong Kong, and India. The file must include two reliable contact channels for each company: a working email address and a direct phone number. Accuracy is critical—bounce-free emails, current numbers, no duplicates, and correct country assignment. Sources, scraping tools, or platforms you prefer are fine as long as the data stands up to random spot-checks. Deliverables • CSV or Excel file containing: Company Name, Sector, Country/City, Email, Phone. • A brief note on the collection method and any verification steps taken. Completion is confirmed once a random 5% sample shows less than 5% invalid contacts.
Project ID: 40696438
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75 freelancers are bidding on average $168 USD for this job

Greetings! I’m an expert in B2B data research with 9+ years of experience, focused on building verified, deduplicated company databases with reliable contact details. Here’s how I can help: * Research 30,000 UAE, Singapore, HK & India companies * Target oil & gas, investment & manufacturing sectors * Verify emails and direct phone numbers * Remove duplicates and validate country/city * Deliver clean CSV/Excel plus verification methodology Can you provide any preferred data sources? Should contacts be limited to publicly available business information?
$140 USD in 7 days
7.4
7.4

Dear Sir, I understand you need a rigorously verified database of 30,000 companies in the oil & gas, investment, and manufacturing sectors across the UAE, Singapore, Hong Kong, and India with valid contact details. To ensure strict accuracy and less than a 5% bounce rate, I will write custom Python data extraction scripts and use reliable email validation APIs to gather and double-check every contact. I will deliver the final, zero-duplicate data in a clean Excel file along with a simple note explaining my collection methods, so it easily passes your random spot-checks.
$250 USD in 7 days
7.3
7.3

Hi there, I have thoroughly reviewed your project requirements for obtaining a database of 30,000 companies in the oil & gas, investment, and manufacturing sectors across the UAE, Singapore, Hong Kong, and India. Accuracy and verification are key, and I am ready to tackle this task efficiently. Let's chat and discuss it further. To handle your project, I will start with utilizing advanced web scraping tools and databases to gather the necessary information. I will then cross-verify the data to ensure accuracy and eliminate duplicates, providing you with a comprehensive CSV or Excel file with the required details. Deliverables include a CSV or Excel file containing Company Name, Sector, Country/City, Email, and Phone, along with a note detailing the collection method and verification steps. Before signing-off my bid, I would like to ask a question, i.e., how frequently do you require updates to this database? Warm Regards, Aneesa.
$100 USD in 1 day
7.1
7.1

Hello Sir, How would you like to see a demo of a fully verified database tailored to your needs before making any commitment? I employ advanced scraping techniques and rigorous verification processes to ensure the 30,000 contacts are accurate, up-to-date, and tailored to your target sectors in the UAE, Singapore, Hong Kong, and India. Let's discuss your specific needs and how I can deliver exceptional results for your project. Best, Smith
$140 USD in 7 days
7.0
7.0

Hello, I have reviewed your project and can help you build a verified database of 30,000 companies across UAE, Singapore, Hong Kong, and India in the oil & gas, investment, and manufacturing sectors. I have experience in web scraping, data collection, data cleaning, and verification. I can collect accurate company information with valid emails, phone numbers, correct locations, and remove duplicates. I will provide a clean CSV/Excel file with all required fields and include details about the collection and verification process. Accuracy and data quality will be my top priority. I can start immediately and deliver a reliable database that meets your requirements. I look forward to working with you.
$30 USD in 1 day
7.0
7.0

Hello Sir, I currently have a large, up-to-date U.S. B2B dataset across Healthcare, Construction, Mining, Oil & Energy, Manufacturing, Logistics, and Real Estate sectors. I can supply a verified database of 30K+ filtered U.S. company contacts, including: • Company name • Full contact name • Role title • Direct email address • Direct phone number (landline or mobile) All data is recent and can be filtered precisely based on your requirement criteria. To ensure confidence before moving forward, I’m happy to provide 20 verified sample records first so you can check: ✔ Email deliverability ✔ Phone formatting ✔ Data structure ✔ Relevance Once approved, I can deliver the required volume in a clean, deduplicated Excel file ASAP. Message me, and let’s review your exact filters—I can start immediately. Best regards, Ayan
$250 USD in 5 days
6.7
6.7

Hello sir, I am able to give you 50k leads for your targeted industries and countries. I understood your target industries, oil, gas, investment, manufacturing. Please contact me so that we can discuss. I am ready to start working. I have been working on b2b lead research and prospect list building projects for the last 12 years. I will provide you quality leads. Thank you.
$200 USD in 1 day
7.0
7.0

Hello, I fully understand your requirements. I am ready to start Thanks and Regards, Everest Technology .
$100 USD in 2 days
6.1
6.1

Hello, I am an experienced B2B data researcher and lead-generation specialist who can build a verified database of 30,000 companies across the UAE, Singapore, Hong Kong, and India, covering oil & gas, investment, and manufacturing. I’ll provide accurate company details with working emails and direct phone numbers, remove duplicates, verify contact information and country assignments, and maintain the required CSV/Excel format. I’ll also document my data sources and verification process, with a strong focus on meeting your 5% invalid-contact threshold during random spot checks. I’m ready to start immediately and can deliver clean, reliable, and well-organized data. Regards, Zafar
$30 USD in 1 day
6.3
6.3

Hello, I can build a clean, verified database of 30,000 companies across the UAE, Singapore, Hong Kong, and India, focused on Oil & Gas, Investment, and Manufacturing. I have experience with B2B lead generation, web research, data scraping, email verification, phone validation, deduplication, and Excel/CSV preparation. I will verify company location and sector, remove duplicates, validate emails using verification tools, and cross-check phone numbers from reliable public/business sources. I can also run QA checks before delivery to help meet your requirement of less than 5% invalid contacts in the 5% sample. Ready to start with a test batch first. Thank you. Md. Shahadat Hossain
$1,200 USD in 40 days
6.3
6.3

Hi, I can help build this 30,000-company database with accuracy as the main priority. I’d focus on the four target markets and the oil & gas, investment, and manufacturing sectors, while keeping company names, locations, emails, and phone numbers consistently structured. The key part would be validation rather than simply collecting large volumes of contacts. I’d remove duplicates, verify email addresses and phone numbers where possible, check country assignments, and run quality checks before delivery. I’d also provide the requested CSV or Excel file along with a clear summary of the collection and verification process. I understand the acceptance target is especially important, so I’d work toward the 5% sample requirement rather than treating the raw collection as the finished deliverable. Best, Ivane
$140 USD in 7 days
5.8
5.8

Hi, I am a data research and lead generation specialist with 8 years of rich experience in software development and data processing, with a strong background in large-scale business data collection, contact verification, and structured database delivery. I am familiar with web scraping, data mining, Excel, CSV, Python, company research, email verification, phone validation, deduplication, data cleaning, and database management. For your 30,000-company database, I can collect and verify oil & gas, investment, and manufacturing companies across the UAE, Singapore, Hong Kong, and India, including company name, sector, location, working email, and direct phone number with duplicate and validity checks. I'm an individual freelancer and can work on any time zone you want. Please contact me with the best time for you to have a quick chat. Thanks. Emile.
$250 USD in 7 days
5.8
5.8

Hi, I'm Denis, a full-stack developer experienced in data collection and verification for contact databases and B2B outreach. I understand your need: a verified database of 30,000 companies across oil & gas, investment, and manufacturing in four regions. The key is reliability—bounce-free emails and current phone numbers require careful sourcing and validation, not just scraping. I've handled similar projects where accuracy directly impacts campaign success. My approach combines established data providers with targeted scraping from verified business directories and official registries. UAE and Singapore have reliable official business registries for baseline data. For Hong Kong and India, I'll supplement with industry-specific databases and cross-reference multiple sources to eliminate duplicates and outdated entries. Every email gets validated through verification services to confirm deliverability, and phone numbers are checked against current business listings. I'll exclude unverifiable entries rather than include questionable data. The final CSV will be deduplicated by company name and country. Some companies, especially smaller operations, may have limited public contact information. I'll document this in a methodology report so you understand which records came from registry sources versus research. Your 5% sample validation will easily pass our quality threshold. I can start immediately. Let's discuss the details. Thanks, Denis.
$100 USD in 3 days
5.5
5.5

Hi Sanju, I will deliver a CSV of 30,000 oil and gas, investment and manufacturing companies from UAE, Singapore, Hong Kong and India, each with a verified email and direct phone, plus a short verification note. I’ll complete the list within 10 days for $250. I can send a 10‑record sample now; shall I begin? Waiting for your response in chat! Best Regards.
$140 USD in 3 days
5.5
5.5

Hi, There I can collect 30,000 companies operating in the oil & gas, investment, and manufacturing sectors across the UAE, Singapore, Hong Kong, and India with details Company Name, Sector, Country/City, Email, Phone. Thanks Anowar
$99 USD in 3 days
5.6
5.6

I can do it
$140 USD in 7 days
5.4
5.4

Hi there, I went through your project description and understand you need a verified database of 30,000 companies across the UAE, Singapore, Hong Kong, and India, focused on oil & gas, investment, and manufacturing. I will research companies from reliable business registries, industry sources, company websites, and relevant B2B databases, then capture Company Name, Sector, Country/City, working email, and direct phone number. I will cross-check company identity and country assignment, remove duplicates, and verify contact details using appropriate email and phone validation methods. For UAE records, I will also use official registry sources where applicable, since the UAE National Economic Register provides business licence information. I will deliver the final dataset in Excel or CSV with a concise methodology and verification report, and validate a representative sample against your acceptance criteria. Could you confirm how you want the 30,000 companies distributed across the four countries and three sectors? I will share a project blueprint within 24–48 hours of award. Kind Regards, Imran Ali
$80 USD in 1 day
4.9
4.9

Hi there, I see you're looking for a verified database of 30,000 companies in the oil and gas, investment, and manufacturing sectors across the UAE, Singapore, Hong Kong, and India. This is a big task, and I can help you with it. My approach would involve using reliable scraping tools to gather the necessary data, ensuring that each contact has a valid email and phone number. I’ll also implement verification steps to check for accuracy and eliminate duplicates. Once the data is collected, I'll compile it into a neat CSV or Excel file, including all the required fields. I understand that accuracy is key, so I’ll conduct spot-checks to ensure the information meets your standards. Looking forward to working together! Best regards, Muhammad Arshman
$80 USD in 4 days
4.5
4.5

Hi, You need a highly accurate, bounce-free B2B database of 30,000 companies in the oil & gas, investment, and manufacturing sectors across the UAE, Singapore, Hong Kong, and India. The operational requirement isn't just scraping, but multi-layered validation to ensure every record has a functional email, direct phone number, and zero duplicates before passing your strict 5% spot-check threshold. Technical approach: We will deploy an automated data enrichment pipeline. First, we will extract raw targets from directories and business networks using Python and enrichment APIs (like Apollo or Hunter). Next, we will route extracted emails through an SMTP ping tester (e.g., ZeroBounce or NeverBounce APIs) to validate inbox existence without sending messages. Phone numbers will be processed via Twilio Lookup API to confirm active line status and correct country mapping. Finally, we will apply fuzzy-matching to strip duplicates across company names and domains. Core modules: - Target Discovery: Geographic and sector-based extraction targeting the 4 specific regions. - Verification Engine: Automated SMTP handshakes and carrier pinging. - Structuring & Export: Automated deduplication, CSV generation, and methodology documentation. Relevant systems: - Automation Lead Generator (8-Agent AI Discovery Pipeline) Implementation strategy: We will first generate a 500-record sample for your immediate spot-check. Once the error rate is confirmed well below 5%, we will scale the pipeline to process the remaining 29,500 contacts. Regards, Rohit
$35 USD in 7 days
4.4
4.4

Greetings, You’re looking for a verified database of 30,000 companies in the oil & gas, investment, and manufacturing sectors across the UAE, Singapore, Hong Kong, and India, along with reliable contact details for each. I can help you gather this information accurately by leveraging various online resources and databases. My approach would involve thorough web scraping and data verification techniques to ensure that every email and phone number is current and valid. I’ll also make sure there are no duplicates and that each contact is correctly assigned to its country. After compiling the data, I’ll conduct spot-checks to confirm its validity, aiming for a high level of accuracy. I’m ready to take on this project and provide you with a well-organized CSV or Excel file, along with a note on my collection methods. Best regards, Saba Ehsan
$70 USD in 2 days
4.6
4.6

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