~上で (after)
After completing one step, do the next
You’ll be able to present a completed action as preparation or a requirement for what follows.

家族と相談した上で、旅行の予定を決めました。
kazoku to soudan shita ue de, ryokou no yotei o kimemashita.
What do you think this sentence means?
After discussing it with my family, I decided on our travel schedule.
After taking an important step
~上で means “after doing” when the first action is an important preparation, consideration, or basis for the next action. It is more deliberate and formal than simply using ~てから.
よく調べた上で、新しいパソコンを買いました。
yoku shirabeta ue de, atarashii pasokon o kaimashita.
I bought a new computer after researching it carefully.
説明を読んだ上で、サインしてください。
setsumei o yonda ue de, sain shite kudasai.
Please sign after reading the explanation.
Complete the preparation first
Use a past plain verb + 上で, or an action noun + の上で, as in 相談の上で. The main clause follows after the preparation has been completed. With other nouns, の上で can mean “in terms of,” and with the dictionary form, ~上で means “in doing,” not “after.”
内容を確認した上で、申し込んでください。
naiyou o kakunin shita ue de, moushikonde kudasai.
Please apply after confirming the details.
~てから vs ~た上で
Both put one action after another. ~てから only gives the order; ~た上で presents the first action as the careful groundwork the second one is based on.
~てから, after
値段を比べてから、買います。
nedan o kurabete kara, kaimasu.
I will buy it after comparing prices.
A plain sequence: compare, then buy.
~た上で, after (and based on)
値段を比べた上で、買います。
nedan o kurabeta ue de, kaimasu.
I will buy it once I have compared prices.
The purchase is decided on the basis of the comparison.
医者とよく相談した上で、手術を受けることにしました。
isha to yoku soudan shita ue de, shujutsu o ukeru koto ni shimashita.
After talking it over carefully with my doctor, I decided to have the operation.
何社かの料金を比べた上で、一番安い保険に入りました。
nansha ka no ryoukin o kurabeta ue de, ichiban yasui hoken ni hairimashita.
After comparing the prices of several companies, I signed up for the cheapest insurance.
担当者と相談の上で、日程を決めさせていただきます。
tantousha to soudan no ue de, nittei o kimesasete itadakimasu.
We will set the schedule after consulting with the person in charge.
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