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Accounting Firm

Castells AC

Barcelona advisory office handling tax, accounting, payroll and legal matters for small firms and private clients

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TrustList summary

Castells AC is a Barcelona gestoría and advisory practice that looks after the tax, bookkeeping, employment and legal paperwork of small and medium-sized businesses. It also takes on matters for private individuals, and says it has been advising clients for more than 40 years.

Services

  • Tax advice: preparing and filing tax returns and the periodic tax forms, and spotting deductible expenses that owners tend to miss.
  • Accounting and bookkeeping: keeping the books up to date so the accounts are not left until the last minute.
  • Payroll and employment: labour advice for employers, including the rules on recording working hours and the right to digital disconnection.
  • Legal services for individuals: a team of lawyers handling employment disputes and personal legal problems.
  • Second-chance debt relief: help with applications under the Spanish law that lets insolvent individuals clear debts.

Who it works with

The practice serves small and medium-sized companies, self-employed people and private clients, mainly in and around Barcelona. It presents its offer as a single joined-up service covering both business and personal needs.

Key facts

  • Based in: Barcelona, Spain
  • Experience: more than 40 years advising businesses and individuals
  • Languages: Spanish

Summary written by TrustList from the business's own published information, Sep 2026.

Categories & features

Rankings

Castells AC is ranked on 1 TrustList ranking at #17.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. Castells AC has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

Accounting firm · 1 ranking

  • #17of 436
    Legal

    Its profile: “Castells AC is a Barcelona gestoría and advisory practice that looks after the tax, bookkeeping, employment and legal paperwork of small and medium-sized businesses.”

    Of the top 82 here, 53 also cover tax and 44 also cover accounting; 3 also work in United States and 3 also work in California.

    Behind Johnsen Archer LLP, CPA's, ahead of CA Goyal Dinesh & Associates.

As of 2026-10-31. Organic ranks only; sponsored placements are never ranks. How TrustList ranks

What the business tells TrustList

Founded
1986 (40 years) evidence sent

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