DLM Services

Home - DLM SERVICES DLM SERVICES Serving Guam For 20 Years! 5 Discover more About Us The Best Services for You and Your Business Donna L. Merto is a licensed Tax Preparer, Enrolled Agent, a former seasoned Revenue Agent with the Department of Revenue and Taxation for 20 years and a Professional Tax Consultant serving G...

In observance of Labor Day on Monday, September 01, 2025 our hours of operation are only from 9am-2pm. Regular hours will resume the following day. Thank you.

DLM Services will be closed on July 04, 2025 in observance of Independence Day. Hours will resume on Saturday, July 05, 2025 9am-6pm.

"ᴀꜱ ᴡᴇ ʜᴏɴᴏʀ ᴛʜɪꜱ ᴅᴀʏ ᴏꜰ ꜰʀᴇᴇᴅᴏᴍ, ᴡᴇ’ʀᴇ ᴇꜱᴘᴇᴄɪᴀʟʟʏ ᴛʜᴀɴᴋꜰᴜʟ ꜰᴏʀ ʏᴏᴜ. ʜᴀᴘᴘʏ ɪɴᴅᴇᴘᴇɴᴅᴇɴᴄᴇ ᴅᴀʏ ꜰʀᴏᴍ ᴀʟʟ ᴏꜰ ᴜꜱ ᴀᴛ ᴅʟᴍ ꜱᴇʀᴠɪᴄᴇꜱ."

Have you filed your taxes yet? The deadline is coming up soon—April 15, 2025, is the last day to get them done.

If you need a little more time, DLM Services is here to help you out with an extension! Just give us a call or send us a message at (671) 969-1040, or feel free to email us at [email protected]. We're here to help!

Have you taken care of your taxes yet? Just a heads up, the Revenue and Tax are starting to send out tax refunds already!

Get your taxes filed with confidence at DLM Services!

Address: Calvo's Commercial Center I, 600 Harmon Loop Road Suite 101, Dededo, 96929, Guam (Across Cost U Less- Harmon)

To file contact us at: +1 (671) 969-1040

Happy Valentine's Day!

Wishing love and happiness to everyone today! You are valued and appreciated!
- DLM SERVICES Family

Are you in search of an expert tax preparer? DLM Services is here to assist you. With over 20 years of experience in tax preparation, we provide efficient and reliable services for both individual and business tax needs.

Our new office features convenient parking and flexible filing hours. We are open every day from 9 AM to 9 PM, ready to accommodate your scheduling requirements. We look forward to serving you.

Address: Calvo's Commercial Center I, 600 Harmon Loop Road Suite 101, Dededo, 96929, Guam (Across Cost U Less- Harmon)

For more information contact us at: +1 (671) 969-1040